From 7fb0a5ee8889488f7568ffddffeb66ddeb50917e Mon Sep 17 00:00:00 2001 From: "Nikunj A. Dadhania" Date: Mon, 9 Apr 2012 13:52:23 +0530 Subject: perf kvm: Finding struct machine fails for PERF_RECORD_MMAP Running 'perf kvm --host --guest --guestmount /tmp/guestmount record -a -g -- sleep 2' Was resulting in a segfault. For event type PERF_RECORD_MMAP, event->ip.pid is being used in perf_session__find_machine_for_cpumode, which is not correct. The event->ip.pid field happens to be 0 in this case and results in returning a NULL machine object. Finally, access to self->pid in machine__mmap_name, results in a segfault later. For PERF_RECORD_MMAP type, pass event->mmap.pid. Signed-off-by: Nikunj A. Dadhania Reviewed-by: David Ahern Tested-by: David Ahern Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Nikunj A. Dadhania Link: http://lkml.kernel.org/r/20120409081835.10576.22018.stgit@abhimanyu.in.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/session.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 9412e3b05f68..00923cda4d9c 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -826,8 +826,16 @@ static struct machine * { const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) - return perf_session__find_machine(session, event->ip.pid); + if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { + u32 pid; + + if (event->header.type == PERF_RECORD_MMAP) + pid = event->mmap.pid; + else + pid = event->ip.pid; + + return perf_session__find_machine(session, pid); + } return perf_session__find_host_machine(session); } -- cgit v1.2.3-59-g8ed1b From 6782206b5dfece4c51f587b3ca1540a4027f87dd Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Thu, 12 Apr 2012 14:21:01 +0200 Subject: perf session: Skip event correctly for unknown id/machine In case the perf_session__process_event function fails, we estimate the next event offset. This is not necessary for sample event failing on unknown ID or machine. In such case we know proper size of the event, so we dont need to guess. Also failure statistics are updated correctly so we don't miss any information. Forcing perf_session__process_event to return 0 in case of unknown ID or machine. Signed-off-by: Jiri Olsa Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1334233262-5679-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/session.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 00923cda4d9c..1efd3bee6336 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -876,11 +876,11 @@ static int perf_session_deliver_event(struct perf_session *session, dump_sample(session, event, sample); if (evsel == NULL) { ++session->hists.stats.nr_unknown_id; - return -1; + return 0; } if (machine == NULL) { ++session->hists.stats.nr_unprocessable_samples; - return -1; + return 0; } return tool->sample(tool, event, sample, evsel, machine); case PERF_RECORD_MMAP: -- cgit v1.2.3-59-g8ed1b From f755397211745e26a4cc693a195982de6c454edd Mon Sep 17 00:00:00 2001 From: Stephane Eranian Date: Tue, 10 Apr 2012 12:35:13 +0200 Subject: perf tools: fix NO_GTK2 Makefile config error In case the user specified NO_GTK2 on the make cmdline, compilation would fail with undefined symbol because the Makefile would not set the correct cpp variable: NO_GTK2 vs. NO_GTK2_SUPPORT. This patch renames the variable to the correct name. Signed-off-by: Stephane Eranian Cc: David Ahern Cc: Ingo Molnar Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20120410103513.GA9229@quad Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 820371f10d1b..a20d0c599b22 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -527,7 +527,7 @@ else endif ifdef NO_GTK2 - BASIC_CFLAGS += -DNO_GTK2 + BASIC_CFLAGS += -DNO_GTK2_SUPPORT else FLAGS_GTK2=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0) ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2)),y) -- cgit v1.2.3-59-g8ed1b From 2a5204fed0f313f9b55a7b4d5f48ca484446d095 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 11 Apr 2012 12:39:51 +0200 Subject: perf tools: Fix parsers' rules to dependencies Currently the parsers objects (bison/flex related) are each time perf is built. No matter the generated files are already in place, the parser generation is executed every time. Changing the rules to have proper flex/bison objects generation dependencies. The parsers code is not rebuilt until the flex/bison source files are touched. Also when flex/bison source is changed, only dependent objects are rebuilt. Signed-off-by: Jiri Olsa Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1334140791-3024-1-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index a20d0c599b22..03059e75665a 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -237,21 +237,20 @@ export PERL_PATH FLEX = $(CROSS_COMPILE)flex BISON= $(CROSS_COMPILE)bison -event-parser: - $(QUIET_BISON)$(BISON) -v util/parse-events.y -d -o $(OUTPUT)util/parse-events-bison.c +$(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c -$(OUTPUT)util/parse-events-flex.c: event-parser -$(OUTPUT)util/parse-events-bison.c: event-parser +$(OUTPUT)util/parse-events-bison.c: util/parse-events.y + $(QUIET_BISON)$(BISON) -v util/parse-events.y -d -o $(OUTPUT)util/parse-events-bison.c -pmu-parser: - $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c +$(OUTPUT)util/pmu-flex.c: util/pmu.l $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c -$(OUTPUT)util/pmu-flex.c: pmu-parser -$(OUTPUT)util/pmu-bison.c: pmu-parser +$(OUTPUT)util/pmu-bison.c: util/pmu.y + $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -$(OUTPUT)util/parse-events.o: event-parser pmu-parser +$(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c +$(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c LIB_FILE=$(OUTPUT)libperf.a @@ -852,8 +851,6 @@ help: @echo ' html - make html documentation' @echo ' info - make GNU info documentation (access with info )' @echo ' pdf - make pdf documentation' - @echo ' event-parser - make event parser code' - @echo ' pmu-parser - make pmu format parser code' @echo ' TAGS - use etags to make tag information for source browsing' @echo ' tags - use ctags to make tag information for source browsing' @echo ' cscope - use cscope to make interactive browsing database' -- cgit v1.2.3-59-g8ed1b From 77394ad6e465ee3cc3d3cf448c8500c57ced60bf Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 9 Apr 2012 14:11:14 +0900 Subject: perf tools: Ignore auto-generated bison/flex files The commit 65f3e56e0c81 ("perf tools: Remove auto-generated bison/flex files") removed those files from git, so they'll be listed on untracked files after building perf. Fix it. Signed-off-by: Namhyung Kim Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1333948274-20043-1-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/.gitignore | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools') diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore index 416684be0ad3..26b823b61aa1 100644 --- a/tools/perf/.gitignore +++ b/tools/perf/.gitignore @@ -19,3 +19,5 @@ TAGS cscope* config.mak config.mak.autogen +*-bison.* +*-flex.* -- cgit v1.2.3-59-g8ed1b From e3b6193378e8549d04849eda496129f94406ed36 Mon Sep 17 00:00:00 2001 From: Chanho Park Date: Mon, 2 Apr 2012 15:28:29 +0900 Subject: perf archive: Correct cutting of symbolic link If a '$PERF_BUILDID_DIR'(typically $HOME/.debug) is a symbolic link directory, cutting of the path will fail. Here is an example where a buildid directory is a symbolic link. / # ls -al /root lrwxrwxrwx 1 root root 13 Mar 26 2012 /root -> opt/home/root / # cd ~ /opt/home/root # perf record -a -g sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.322 MB perf.data (~14057 samples) ] /opt/home/root # perf archive tar: Removing leading `/' from member names Now please run: $ tar xvf perf.data.tar.bz2 -C ~/.debug wherever you need to run 'perf report' on. /opt/home/root # mkdir temp /opt/home/root # tar xf perf.data.tar.bz2 -C ./temp /opt/home/root # find ./temp -name "*kernel*" ./temp/opt/home/root/.debug/[kernel.kallsyms] -> If successfully cut off the path, [kernel.kallsyms] is located in top of the archived file. This patch enables to cut correctly even if the buildid directory is a symbolic link. Signed-off-by: Chanho Park Signed-off-by: Kyungmin Park Cc: Ingo Molnar Cc: Kyungmin Park Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1333348109-12598-1-git-send-email-chanho61.park@samsung.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/perf-archive.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/perf-archive.sh b/tools/perf/perf-archive.sh index 677e59d62a8d..95b6f8b6177a 100644 --- a/tools/perf/perf-archive.sh +++ b/tools/perf/perf-archive.sh @@ -29,13 +29,14 @@ if [ ! -s $BUILDIDS ] ; then fi MANIFEST=$(mktemp /tmp/perf-archive-manifest.XXXXXX) +PERF_BUILDID_LINKDIR=$(readlink -f $PERF_BUILDID_DIR)/ cut -d ' ' -f 1 $BUILDIDS | \ while read build_id ; do linkname=$PERF_BUILDID_DIR.build-id/${build_id:0:2}/${build_id:2} filename=$(readlink -f $linkname) echo ${linkname#$PERF_BUILDID_DIR} >> $MANIFEST - echo ${filename#$PERF_BUILDID_DIR} >> $MANIFEST + echo ${filename#$PERF_BUILDID_LINKDIR} >> $MANIFEST done tar cfj $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST -- cgit v1.2.3-59-g8ed1b From 29ed6e76b4ca81103f31c8316f9e4cfcf134572f Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sun, 15 Apr 2012 15:24:39 -0300 Subject: perf annotate: Rename objdump_line to disasm_line We want to move away from using 'objdump -dS' as the only disassembler supported. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-lsn9pjuxxm5ezsubyhkmprw7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 179 +++++++++++++++++++------------------- tools/perf/util/annotate.c | 72 ++++++++------- tools/perf/util/annotate.h | 11 ++- 3 files changed, 128 insertions(+), 134 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4db5186472b5..bc540b1576c3 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -15,7 +15,7 @@ struct annotate_browser { struct ui_browser b; struct rb_root entries; struct rb_node *curr_hot; - struct objdump_line *selection; + struct disasm_line *selection; u64 start; int nr_asm_entries; int nr_entries; @@ -25,26 +25,25 @@ struct annotate_browser { char search_bf[128]; }; -struct objdump_line_rb_node { +struct disasm_line_rb_node { struct rb_node rb_node; double percent; u32 idx; int idx_asm; }; -static inline -struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self) +static inline struct disasm_line_rb_node *disasm_line__rb(struct disasm_line *dl) { - return (struct objdump_line_rb_node *)(self + 1); + return (struct disasm_line_rb_node *)(dl + 1); } -static bool objdump_line__filter(struct ui_browser *browser, void *entry) +static bool disasm_line__filter(struct ui_browser *browser, void *entry) { struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); if (ab->hide_src_code) { - struct objdump_line *ol = list_entry(entry, struct objdump_line, node); - return ol->offset == -1; + struct disasm_line *dl = list_entry(entry, struct disasm_line, node); + return dl->offset == -1; } return false; @@ -53,17 +52,17 @@ static bool objdump_line__filter(struct ui_browser *browser, void *entry) static void annotate_browser__write(struct ui_browser *self, void *entry, int row) { struct annotate_browser *ab = container_of(self, struct annotate_browser, b); - struct objdump_line *ol = list_entry(entry, struct objdump_line, node); + struct disasm_line *dl = list_entry(entry, struct disasm_line, node); bool current_entry = ui_browser__is_current_entry(self, row); bool change_color = (!ab->hide_src_code && (!current_entry || (self->use_navkeypressed && !self->navkeypressed))); int width = self->width; - if (ol->offset != -1) { - struct objdump_line_rb_node *olrb = objdump_line__rb(ol); - ui_browser__set_percent_color(self, olrb->percent, current_entry); - slsmg_printf(" %7.2f ", olrb->percent); + if (dl->offset != -1) { + struct disasm_line_rb_node *dlrb = disasm_line__rb(dl); + ui_browser__set_percent_color(self, dlrb->percent, current_entry); + slsmg_printf(" %7.2f ", dlrb->percent); } else { ui_browser__set_percent_color(self, 0, current_entry); slsmg_write_nstring(" ", 9); @@ -76,16 +75,16 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!self->navkeypressed) width += 1; - if (ol->offset != -1 && change_color) + if (dl->offset != -1 && change_color) ui_browser__set_color(self, HE_COLORSET_CODE); - if (!*ol->line) + if (!*dl->line) slsmg_write_nstring(" ", width - 18); - else if (ol->offset == -1) - slsmg_write_nstring(ol->line, width - 18); + else if (dl->offset == -1) + slsmg_write_nstring(dl->line, width - 18); else { char bf[64]; - u64 addr = ol->offset; + u64 addr = dl->offset; int printed, color = -1; if (!ab->use_offset) @@ -97,28 +96,27 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro slsmg_write_nstring(bf, printed); if (change_color) ui_browser__set_color(self, color); - slsmg_write_nstring(ol->line, width - 18 - printed); + slsmg_write_nstring(dl->line, width - 18 - printed); } if (current_entry) - ab->selection = ol; + ab->selection = dl; } -static double objdump_line__calc_percent(struct objdump_line *self, - struct symbol *sym, int evidx) +static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *sym, int evidx) { double percent = 0.0; - if (self->offset != -1) { + if (dl->offset != -1) { int len = sym->end - sym->start; unsigned int hits = 0; struct annotation *notes = symbol__annotation(sym); struct source_line *src_line = notes->src->lines; struct sym_hist *h = annotation__histogram(notes, evidx); - s64 offset = self->offset; - struct objdump_line *next; + s64 offset = dl->offset; + struct disasm_line *next; - next = objdump__get_next_ip_line(¬es->src->source, self); + next = disasm__get_next_ip_line(¬es->src->source, dl); while (offset < (s64)len && (next == NULL || offset < next->offset)) { if (src_line) { @@ -139,27 +137,26 @@ static double objdump_line__calc_percent(struct objdump_line *self, return percent; } -static void objdump__insert_line(struct rb_root *self, - struct objdump_line_rb_node *line) +static void disasm_rb_tree__insert(struct rb_root *root, struct disasm_line_rb_node *dlrb) { - struct rb_node **p = &self->rb_node; + struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; - struct objdump_line_rb_node *l; + struct disasm_line_rb_node *l; while (*p != NULL) { parent = *p; - l = rb_entry(parent, struct objdump_line_rb_node, rb_node); - if (line->percent < l->percent) + l = rb_entry(parent, struct disasm_line_rb_node, rb_node); + if (dlrb->percent < l->percent) p = &(*p)->rb_left; else p = &(*p)->rb_right; } - rb_link_node(&line->rb_node, parent, p); - rb_insert_color(&line->rb_node, self); + rb_link_node(&dlrb->rb_node, parent, p); + rb_insert_color(&dlrb->rb_node, root); } static void annotate_browser__set_top(struct annotate_browser *self, - struct objdump_line *pos, u32 idx) + struct disasm_line *pos, u32 idx) { unsigned back; @@ -168,9 +165,9 @@ static void annotate_browser__set_top(struct annotate_browser *self, self->b.top_idx = self->b.index = idx; while (self->b.top_idx != 0 && back != 0) { - pos = list_entry(pos->node.prev, struct objdump_line, node); + pos = list_entry(pos->node.prev, struct disasm_line, node); - if (objdump_line__filter(&self->b, &pos->node)) + if (disasm_line__filter(&self->b, &pos->node)) continue; --self->b.top_idx; @@ -184,11 +181,11 @@ static void annotate_browser__set_top(struct annotate_browser *self, static void annotate_browser__set_rb_top(struct annotate_browser *browser, struct rb_node *nd) { - struct objdump_line_rb_node *rbpos; - struct objdump_line *pos; + struct disasm_line_rb_node *rbpos; + struct disasm_line *pos; - rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node); - pos = ((struct objdump_line *)rbpos) - 1; + rbpos = rb_entry(nd, struct disasm_line_rb_node, rb_node); + pos = ((struct disasm_line *)rbpos) - 1; annotate_browser__set_top(browser, pos, rbpos->idx); browser->curr_hot = nd; } @@ -199,20 +196,20 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser, struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos; + struct disasm_line *pos; browser->entries = RB_ROOT; pthread_mutex_lock(¬es->lock); list_for_each_entry(pos, ¬es->src->source, node) { - struct objdump_line_rb_node *rbpos = objdump_line__rb(pos); - rbpos->percent = objdump_line__calc_percent(pos, sym, evidx); + struct disasm_line_rb_node *rbpos = disasm_line__rb(pos); + rbpos->percent = disasm_line__calc_percent(pos, sym, evidx); if (rbpos->percent < 0.01) { RB_CLEAR_NODE(&rbpos->rb_node); continue; } - objdump__insert_line(&browser->entries, rbpos); + disasm_rb_tree__insert(&browser->entries, rbpos); } pthread_mutex_unlock(¬es->lock); @@ -221,38 +218,38 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser, static bool annotate_browser__toggle_source(struct annotate_browser *browser) { - struct objdump_line *ol; - struct objdump_line_rb_node *olrb; + struct disasm_line *dl; + struct disasm_line_rb_node *dlrb; off_t offset = browser->b.index - browser->b.top_idx; browser->b.seek(&browser->b, offset, SEEK_CUR); - ol = list_entry(browser->b.top, struct objdump_line, node); - olrb = objdump_line__rb(ol); + dl = list_entry(browser->b.top, struct disasm_line, node); + dlrb = disasm_line__rb(dl); if (browser->hide_src_code) { - if (olrb->idx_asm < offset) - offset = olrb->idx; + if (dlrb->idx_asm < offset) + offset = dlrb->idx; browser->b.nr_entries = browser->nr_entries; browser->hide_src_code = false; browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = olrb->idx - offset; - browser->b.index = olrb->idx; + browser->b.top_idx = dlrb->idx - offset; + browser->b.index = dlrb->idx; } else { - if (olrb->idx_asm < 0) { + if (dlrb->idx_asm < 0) { ui_helpline__puts("Only available for assembly lines."); browser->b.seek(&browser->b, -offset, SEEK_CUR); return false; } - if (olrb->idx_asm < offset) - offset = olrb->idx_asm; + if (dlrb->idx_asm < offset) + offset = dlrb->idx_asm; browser->b.nr_entries = browser->nr_asm_entries; browser->hide_src_code = true; browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = olrb->idx_asm - offset; - browser->b.index = olrb->idx_asm; + browser->b.top_idx = dlrb->idx_asm - offset; + browser->b.index = dlrb->idx_asm; } return true; @@ -302,20 +299,20 @@ static bool annotate_browser__callq(struct annotate_browser *browser, return true; } -static struct objdump_line * - annotate_browser__find_offset(struct annotate_browser *browser, - s64 offset, s64 *idx) +static +struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser, + s64 offset, s64 *idx) { struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos; + struct disasm_line *pos; *idx = 0; list_for_each_entry(pos, ¬es->src->source, node) { if (pos->offset == offset) return pos; - if (!objdump_line__filter(&browser->b, &pos->node)) + if (!disasm_line__filter(&browser->b, &pos->node)) ++*idx; } @@ -325,7 +322,7 @@ static struct objdump_line * static bool annotate_browser__jump(struct annotate_browser *browser) { const char *jumps[] = { "je ", "jne ", "ja ", "jmpq ", "js ", "jmp ", NULL }; - struct objdump_line *line; + struct disasm_line *dl; s64 idx, offset; char *s = NULL; int i = 0; @@ -346,29 +343,29 @@ static bool annotate_browser__jump(struct annotate_browser *browser) } offset = strtoll(s, NULL, 16); - line = annotate_browser__find_offset(browser, offset, &idx); - if (line == NULL) { + dl = annotate_browser__find_offset(browser, offset, &idx); + if (dl == NULL) { ui_helpline__puts("Invallid jump offset"); return true; } - annotate_browser__set_top(browser, line, idx); + annotate_browser__set_top(browser, dl, idx); return true; } -static struct objdump_line * - annotate_browser__find_string(struct annotate_browser *browser, - char *s, s64 *idx) +static +struct disasm_line *annotate_browser__find_string(struct annotate_browser *browser, + char *s, s64 *idx) { struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos = browser->selection; + struct disasm_line *pos = browser->selection; *idx = browser->b.index; list_for_each_entry_continue(pos, ¬es->src->source, node) { - if (objdump_line__filter(&browser->b, &pos->node)) + if (disasm_line__filter(&browser->b, &pos->node)) continue; ++*idx; @@ -382,32 +379,32 @@ static struct objdump_line * static bool __annotate_browser__search(struct annotate_browser *browser) { - struct objdump_line *line; + struct disasm_line *dl; s64 idx; - line = annotate_browser__find_string(browser, browser->search_bf, &idx); - if (line == NULL) { + dl = annotate_browser__find_string(browser, browser->search_bf, &idx); + if (dl == NULL) { ui_helpline__puts("String not found!"); return false; } - annotate_browser__set_top(browser, line, idx); + annotate_browser__set_top(browser, dl, idx); browser->searching_backwards = false; return true; } -static struct objdump_line * - annotate_browser__find_string_reverse(struct annotate_browser *browser, - char *s, s64 *idx) +static +struct disasm_line *annotate_browser__find_string_reverse(struct annotate_browser *browser, + char *s, s64 *idx) { struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos = browser->selection; + struct disasm_line *pos = browser->selection; *idx = browser->b.index; list_for_each_entry_continue_reverse(pos, ¬es->src->source, node) { - if (objdump_line__filter(&browser->b, &pos->node)) + if (disasm_line__filter(&browser->b, &pos->node)) continue; --*idx; @@ -421,16 +418,16 @@ static struct objdump_line * static bool __annotate_browser__search_reverse(struct annotate_browser *browser) { - struct objdump_line *line; + struct disasm_line *dl; s64 idx; - line = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); - if (line == NULL) { + dl = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); + if (dl == NULL) { ui_helpline__puts("String not found!"); return false; } - annotate_browser__set_top(browser, line, idx); + annotate_browser__set_top(browser, dl, idx); browser->searching_backwards = true; return true; } @@ -613,7 +610,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, void(*timer)(void *arg), void *arg, int delay_secs) { - struct objdump_line *pos, *n; + struct disasm_line *pos, *n; struct annotation *notes; struct map_symbol ms = { .map = map, @@ -624,7 +621,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, .refresh = ui_browser__list_head_refresh, .seek = ui_browser__list_head_seek, .write = annotate_browser__write, - .filter = objdump_line__filter, + .filter = disasm_line__filter, .priv = &ms, .use_navkeypressed = true, }, @@ -637,7 +634,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, if (map->dso->annotate_warned) return -1; - if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) { + if (symbol__annotate(sym, map, sizeof(struct disasm_line_rb_node)) < 0) { ui__error("%s", ui_helpline__last_msg); return -1; } @@ -648,12 +645,12 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, browser.start = map__rip_2objdump(map, sym->start); list_for_each_entry(pos, ¬es->src->source, node) { - struct objdump_line_rb_node *rbpos; + struct disasm_line_rb_node *rbpos; size_t line_len = strlen(pos->line); if (browser.b.width < line_len) browser.b.width = line_len; - rbpos = objdump_line__rb(pos); + rbpos = disasm_line__rb(pos); rbpos->idx = browser.nr_entries++; if (pos->offset != -1) rbpos->idx_asm = browser.nr_asm_entries++; @@ -667,7 +664,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs); list_for_each_entry_safe(pos, n, ¬es->src->source, node) { list_del(&pos->node); - objdump_line__free(pos); + disasm_line__free(pos); } return ret; } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 1e7fd52bd29d..ef1d57def76d 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -78,36 +78,35 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } -static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize) +static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) { - struct objdump_line *self = malloc(sizeof(*self) + privsize); + struct disasm_line *dl = malloc(sizeof(*dl) + privsize); - if (self != NULL) { - self->offset = offset; - self->line = strdup(line); - if (self->line == NULL) + if (dl != NULL) { + dl->offset = offset; + dl->line = strdup(line); + if (dl->line == NULL) goto out_delete; } - return self; + return dl; out_delete: - free(self); + free(dl); return NULL; } -void objdump_line__free(struct objdump_line *self) +void disasm_line__free(struct disasm_line *dl) { - free(self->line); - free(self); + free(dl->line); + free(dl); } -static void objdump__add_line(struct list_head *head, struct objdump_line *line) +static void disasm__add(struct list_head *head, struct disasm_line *line) { list_add_tail(&line->node, head); } -struct objdump_line *objdump__get_next_ip_line(struct list_head *head, - struct objdump_line *pos) +struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) { list_for_each_entry_continue(pos, head, node) if (pos->offset >= 0) @@ -116,15 +115,14 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head, return NULL; } -static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, - u64 start, int evidx, u64 len, int min_pcnt, - int printed, int max_lines, - struct objdump_line *queue) +static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, + int evidx, u64 len, int min_pcnt, int printed, + int max_lines, struct disasm_line *queue) { static const char *prev_line; static const char *prev_color; - if (oline->offset != -1) { + if (dl->offset != -1) { const char *path = NULL; unsigned int hits = 0; double percent = 0.0; @@ -132,11 +130,11 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, struct annotation *notes = symbol__annotation(sym); struct source_line *src_line = notes->src->lines; struct sym_hist *h = annotation__histogram(notes, evidx); - s64 offset = oline->offset; + s64 offset = dl->offset; const u64 addr = start + offset; - struct objdump_line *next; + struct disasm_line *next; - next = objdump__get_next_ip_line(¬es->src->source, oline); + next = disasm__get_next_ip_line(¬es->src->source, dl); while (offset < (s64)len && (next == NULL || offset < next->offset)) { @@ -161,9 +159,9 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, if (queue != NULL) { list_for_each_entry_from(queue, ¬es->src->source, node) { - if (queue == oline) + if (queue == dl) break; - objdump_line__print(queue, sym, start, evidx, len, + disasm_line__print(queue, sym, start, evidx, len, 0, 0, 1, NULL); } } @@ -187,17 +185,17 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, color_fprintf(stdout, color, " %7.2f", percent); printf(" : "); color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); - color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line); + color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); } else if (max_lines && printed >= max_lines) return 1; else { if (queue) return -1; - if (!*oline->line) + if (!*dl->line) printf(" :\n"); else - printf(" : %s\n", oline->line); + printf(" : %s\n", dl->line); } return 0; @@ -207,7 +205,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE *file, size_t privsize) { struct annotation *notes = symbol__annotation(sym); - struct objdump_line *objdump_line; + struct disasm_line *dl; char *line = NULL, *parsed_line, *tmp, *tmp2, *c; size_t line_len; s64 line_ip, offset = -1; @@ -258,13 +256,13 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, parsed_line = tmp2 + 1; } - objdump_line = objdump_line__new(offset, parsed_line, privsize); + dl = disasm_line__new(offset, parsed_line, privsize); free(line); - if (objdump_line == NULL) + if (dl == NULL) return -1; - objdump__add_line(¬es->src->source, objdump_line); + disasm__add(¬es->src->source, dl); return 0; } @@ -503,7 +501,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, struct dso *dso = map->dso; const char *filename = dso->long_name, *d_filename; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos, *queue = NULL; + struct disasm_line *pos, *queue = NULL; u64 start = map__rip_2objdump(map, sym->start); int printed = 2, queue_len = 0; int more = 0; @@ -528,7 +526,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, queue_len = 0; } - switch (objdump_line__print(pos, sym, start, evidx, len, + switch (disasm_line__print(pos, sym, start, evidx, len, min_pcnt, printed, max_lines, queue)) { case 0: @@ -583,13 +581,13 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) } } -void objdump_line_list__purge(struct list_head *head) +void disasm__purge(struct list_head *head) { - struct objdump_line *pos, *n; + struct disasm_line *pos, *n; list_for_each_entry_safe(pos, n, head, node) { list_del(&pos->node); - objdump_line__free(pos); + disasm_line__free(pos); } } @@ -618,7 +616,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, if (print_lines) symbol__free_source_line(sym, len); - objdump_line_list__purge(&symbol__annotation(sym)->src->source); + disasm__purge(&symbol__annotation(sym)->src->source); return 0; } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index efa5dc82bfae..8bb68bb2a04a 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -7,15 +7,14 @@ #include #include -struct objdump_line { +struct disasm_line { struct list_head node; s64 offset; char *line; }; -void objdump_line__free(struct objdump_line *self); -struct objdump_line *objdump__get_next_ip_line(struct list_head *head, - struct objdump_line *pos); +void disasm_line__free(struct disasm_line *dl); +struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); struct sym_hist { u64 sum; @@ -32,7 +31,7 @@ struct source_line { * * @histogram: Array of addr hit histograms per event being monitored * @lines: If 'print_lines' is specified, per source code line percentages - * @source: source parsed from objdump -dS + * @source: source parsed from a disassembler like objdump -dS * * lines is allocated, percentages calculated and all sorted by percentage * when the annotation is about to be presented, so the percentages are for @@ -82,7 +81,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, int context); void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); -void objdump_line_list__purge(struct list_head *head); +void disasm__purge(struct list_head *head); int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, bool print_lines, bool full_paths, int min_pcnt, -- cgit v1.2.3-59-g8ed1b From 5145418b06fa907883ff1f62301d534a0d26ba18 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sun, 15 Apr 2012 15:52:18 -0300 Subject: perf annotate: Parse instruction For lines with instructions find the name and operands, breaking those tokens for consumption by the browser. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-6aazb9f5o3d9zi28e6rruv12@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 65 +++++++++++++++++++++++++++++++++++++++++++++- tools/perf/util/annotate.h | 3 +++ 2 files changed, 67 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index ef1d57def76d..a72585ab52e8 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -80,16 +80,50 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) { - struct disasm_line *dl = malloc(sizeof(*dl) + privsize); + struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); if (dl != NULL) { dl->offset = offset; dl->line = strdup(line); if (dl->line == NULL) goto out_delete; + + if (offset != -1) { + char *name = dl->line, tmp; + + while (isspace(name[0])) + ++name; + + if (name[0] == '\0') + goto out_delete; + + dl->operands = name + 1; + + while (dl->operands[0] != '\0' && + !isspace(dl->operands[0])) + ++dl->operands; + + tmp = dl->operands[0]; + dl->operands[0] = '\0'; + dl->name = strdup(name); + + if (dl->name == NULL) + goto out_free_line; + + dl->operands[0] = tmp; + + if (dl->operands[0] != '\0') { + dl->operands++; + while (isspace(dl->operands[0])) + ++dl->operands; + } + } } return dl; + +out_free_line: + free(dl->line); out_delete: free(dl); return NULL; @@ -98,6 +132,7 @@ out_delete: void disasm_line__free(struct disasm_line *dl) { free(dl->line); + free(dl->name); free(dl); } @@ -591,6 +626,34 @@ void disasm__purge(struct list_head *head) } } +static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) +{ + size_t printed; + + if (dl->offset == -1) + return fprintf(fp, "%s\n", dl->line); + + printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); + + if (dl->operands[0] != '\0') { + printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", + dl->operands); + } + + return printed + fprintf(fp, "\n"); +} + +size_t disasm__fprintf(struct list_head *head, FILE *fp) +{ + struct disasm_line *pos; + size_t printed = 0; + + list_for_each_entry(pos, head, node) + printed += disasm_line__fprintf(pos, fp); + + return printed; +} + int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, bool print_lines, bool full_paths, int min_pcnt, int max_lines) diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 8bb68bb2a04a..dd7636d24133 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -11,10 +11,13 @@ struct disasm_line { struct list_head node; s64 offset; char *line; + char *name; + char *operands; }; void disasm_line__free(struct disasm_line *dl); struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); +size_t disasm__fprintf(struct list_head *head, FILE *fp); struct sym_hist { u64 sum; -- cgit v1.2.3-59-g8ed1b From 657bcaf5097e1aff53d724358deb24ce803f43a4 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sun, 15 Apr 2012 20:12:07 -0300 Subject: perf annotate browser: Use the disasm_line instruction name and operand fields No need to reparse it everytime. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-90ncot487p4h5rzkn8h2whou@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index bc540b1576c3..0bc3e652b541 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -260,22 +260,16 @@ static bool annotate_browser__callq(struct annotate_browser *browser, void *arg, int delay_secs) { struct map_symbol *ms = browser->b.priv; + struct disasm_line *dl = browser->selection; struct symbol *sym = ms->sym; struct annotation *notes; struct symbol *target; - char *s = strstr(browser->selection->line, "callq "); u64 ip; - if (s == NULL) + if (strcmp(dl->name, "callq")) return false; - s = strchr(s, ' '); - if (s++ == NULL) { - ui_helpline__puts("Invallid callq instruction."); - return true; - } - - ip = strtoull(s, NULL, 16); + ip = strtoull(dl->operands, NULL, 16); ip = ms->map->map_ip(ms->map, ip); target = map__find_symbol(ms->map, ip, NULL); if (target == NULL) { @@ -321,22 +315,19 @@ struct disasm_line *annotate_browser__find_offset(struct annotate_browser *brows static bool annotate_browser__jump(struct annotate_browser *browser) { - const char *jumps[] = { "je ", "jne ", "ja ", "jmpq ", "js ", "jmp ", NULL }; - struct disasm_line *dl; + const char *jumps[] = { "je", "jne", "ja", "jmpq", "js", "jmp", NULL }; + struct disasm_line *dl = browser->selection; s64 idx, offset; - char *s = NULL; + char *s; int i = 0; - while (jumps[i]) { - s = strstr(browser->selection->line, jumps[i++]); - if (s) - break; - } + while (jumps[i] && strcmp(dl->name, jumps[i])) + ++i; - if (s == NULL) + if (jumps[i] == NULL) return false; - s = strchr(s, '+'); + s = strchr(dl->operands, '+'); if (s++ == NULL) { ui_helpline__puts("Invallid jump instruction."); return true; -- cgit v1.2.3-59-g8ed1b From 4f9d03251b9d202ebce805757360ef0fac5eb74e Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 18 Apr 2012 13:58:34 -0300 Subject: perf annotate: Disassembler instruction parsing So that at disassembly time we parse targets, etc. Supporting jump instructions initially, call functions are next. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-7vzlh66n5or46n27ji658cnl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 19 ++---------- tools/perf/util/annotate.c | 63 +++++++++++++++++++++++++++++++++++++++ tools/perf/util/annotate.h | 13 ++++++++ 3 files changed, 79 insertions(+), 16 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 0bc3e652b541..bdbb54fd05ae 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -315,26 +315,13 @@ struct disasm_line *annotate_browser__find_offset(struct annotate_browser *brows static bool annotate_browser__jump(struct annotate_browser *browser) { - const char *jumps[] = { "je", "jne", "ja", "jmpq", "js", "jmp", NULL }; struct disasm_line *dl = browser->selection; - s64 idx, offset; - char *s; - int i = 0; - - while (jumps[i] && strcmp(dl->name, jumps[i])) - ++i; + s64 idx; - if (jumps[i] == NULL) + if (!dl->ins || !ins__is_jump(dl->ins)) return false; - s = strchr(dl->operands, '+'); - if (s++ == NULL) { - ui_helpline__puts("Invallid jump instruction."); - return true; - } - - offset = strtoll(s, NULL, 16); - dl = annotate_browser__find_offset(browser, offset, &idx); + dl = annotate_browser__find_offset(browser, dl->target, &idx); if (dl == NULL) { ui_helpline__puts("Invallid jump offset"); return true; diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index a72585ab52e8..4ee2c07924bc 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -18,6 +18,53 @@ const char *disassembler_style; +static int jump_ops__parse_target(const char *operands, u64 *target) +{ + const char *s = strchr(operands, '+'); + + if (s++ == NULL) + return -1; + + *target = strtoll(s, NULL, 16); + return 0; +} + +static struct ins_ops jump_ops = { + .parse_target = jump_ops__parse_target, +}; + +bool ins__is_jump(const struct ins *ins) +{ + return ins->ops == &jump_ops; +} + + +/* + * Must be sorted by name! + */ +static struct ins instructions[] = { + { .name = "ja", .ops = &jump_ops, }, + { .name = "je", .ops = &jump_ops, }, + { .name = "jmp", .ops = &jump_ops, }, + { .name = "jmpq", .ops = &jump_ops, }, + { .name = "jne", .ops = &jump_ops, }, + { .name = "js", .ops = &jump_ops, }, +}; + +static int ins__cmp(const void *name, const void *insp) +{ + const struct ins *ins = insp; + + return strcmp(name, ins->name); +} + +static struct ins *ins__find(const char *name) +{ + const int nmemb = ARRAY_SIZE(instructions); + + return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); +} + int symbol__annotate_init(struct map *map __used, struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); @@ -78,6 +125,20 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } +static void disasm_line__init_ins(struct disasm_line *dl) +{ + dl->ins = ins__find(dl->name); + + if (dl->ins == NULL) + return; + + if (!dl->ins->ops) + return; + + if (dl->ins->ops->parse_target) + dl->ins->ops->parse_target(dl->operands, &dl->target); +} + static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) { struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); @@ -117,6 +178,8 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs while (isspace(dl->operands[0])) ++dl->operands; } + + disasm_line__init_ins(dl); } } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index dd7636d24133..934c6fe3a91b 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -7,11 +7,24 @@ #include #include +struct ins_ops { + int (*parse_target)(const char *operands, u64 *target); +}; + +struct ins { + const char *name; + struct ins_ops *ops; +}; + +bool ins__is_jump(const struct ins *ins); + struct disasm_line { struct list_head node; s64 offset; + u64 target; char *line; char *name; + struct ins *ins; char *operands; }; -- cgit v1.2.3-59-g8ed1b From d86b0597c4bd41ea3edc6446a855306eed34f93b Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 18 Apr 2012 16:07:38 -0300 Subject: perf annotate: Parse call targets earlier No need to do it everytime the user presses enter/-> on a call instruction. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-ybgss44m5ycry8mk7b1qdbre@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 10 +++++----- tools/perf/util/annotate.c | 18 +++++++++++++++++- tools/perf/util/annotate.h | 1 + 3 files changed, 23 insertions(+), 6 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index bdbb54fd05ae..46ef966ccc5b 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -266,11 +266,10 @@ static bool annotate_browser__callq(struct annotate_browser *browser, struct symbol *target; u64 ip; - if (strcmp(dl->name, "callq")) + if (!ins__is_call(dl->ins)) return false; - ip = strtoull(dl->operands, NULL, 16); - ip = ms->map->map_ip(ms->map, ip); + ip = ms->map->map_ip(ms->map, dl->target); target = map__find_symbol(ms->map, ip, NULL); if (target == NULL) { ui_helpline__puts("The called function was not found."); @@ -318,7 +317,7 @@ static bool annotate_browser__jump(struct annotate_browser *browser) struct disasm_line *dl = browser->selection; s64 idx; - if (!dl->ins || !ins__is_jump(dl->ins)) + if (!ins__is_jump(dl->ins)) return false; dl = annotate_browser__find_offset(browser, dl->target, &idx); @@ -556,7 +555,8 @@ show_help: ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); else if (self->selection->offset == -1) ui_helpline__puts("Actions are only available for assembly lines."); - else if (!(annotate_browser__jump(self) || + else if (!self->selection->ins || + !(annotate_browser__jump(self) || annotate_browser__callq(self, evidx, timer, arg, delay_secs))) ui_helpline__puts("Actions are only available for the 'callq' and jump instructions."); continue; diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 4ee2c07924bc..a4296fdd9a68 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -18,6 +18,21 @@ const char *disassembler_style; +static int call_ops__parse_target(const char *operands, u64 *target) +{ + *target = strtoull(operands, NULL, 16); + return 0; +} + +static struct ins_ops call_ops = { + .parse_target = call_ops__parse_target, +}; + +bool ins__is_call(const struct ins *ins) +{ + return ins->ops == &call_ops; +} + static int jump_ops__parse_target(const char *operands, u64 *target) { const char *s = strchr(operands, '+'); @@ -38,11 +53,12 @@ bool ins__is_jump(const struct ins *ins) return ins->ops == &jump_ops; } - /* * Must be sorted by name! */ static struct ins instructions[] = { + { .name = "call", .ops = &call_ops, }, + { .name = "callq", .ops = &call_ops, }, { .name = "ja", .ops = &jump_ops, }, { .name = "je", .ops = &jump_ops, }, { .name = "jmp", .ops = &jump_ops, }, diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 934c6fe3a91b..a2105f204a42 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -17,6 +17,7 @@ struct ins { }; bool ins__is_jump(const struct ins *ins); +bool ins__is_call(const struct ins *ins); struct disasm_line { struct list_head node; -- cgit v1.2.3-59-g8ed1b From 28548d78ad521310f0ae58f791aa796d3d685151 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 10:16:27 -0300 Subject: perf annotate: Introduce scnprintf ins_ops method And implement the jump one, where if the operands string is not passed, a compact form that uses just the target address is used. Right now this is toggled via the 'o' option in the annotate browser, switching from: 0.00 : ffffffff811661e8: je ffffffff81166204 0.00 : ffffffff811661ea: cmp $0xb,%esi 0.00 : ffffffff811661ed: je ffffffff811661f8 To: 0.00 : 28: je 44 0.00 : 2a: cmp $0xb,%esi 0.00 : 2d: je 38 Suggested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-o88q46yh4kxgpd1chk5gvjl5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 13 +++++++++++-- tools/perf/util/annotate.c | 10 ++++++++++ tools/perf/util/annotate.h | 4 ++++ 3 files changed, 25 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 46ef966ccc5b..f7d2db3e8464 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -83,7 +83,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro else if (dl->offset == -1) slsmg_write_nstring(dl->line, width - 18); else { - char bf[64]; + char bf[256], *line = dl->line; u64 addr = dl->offset; int printed, color = -1; @@ -96,7 +96,16 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro slsmg_write_nstring(bf, printed); if (change_color) ui_browser__set_color(self, color); - slsmg_write_nstring(dl->line, width - 18 - printed); + if (dl->ins && dl->ins->ops->scnprintf) { + dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), + !ab->use_offset ? dl->operands : NULL, + dl->target); + line = bf; + slsmg_write_nstring(" ", 7); + printed += 7; + } + + slsmg_write_nstring(line, width - 18 - printed); } if (current_entry) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index a4296fdd9a68..ed1f89d7044e 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -44,8 +44,18 @@ static int jump_ops__parse_target(const char *operands, u64 *target) return 0; } +static int jump_ops__scnprintf(struct ins *ins, char *bf, size_t size, + const char *operands, u64 target) +{ + if (operands) + return scnprintf(bf, size, "%-6.6s %s", ins->name, operands); + + return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, target); +} + static struct ins_ops jump_ops = { .parse_target = jump_ops__parse_target, + .scnprintf = jump_ops__scnprintf, }; bool ins__is_jump(const struct ins *ins) diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index a2105f204a42..6314335007f0 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -7,8 +7,12 @@ #include #include +struct ins; + struct ins_ops { int (*parse_target)(const char *operands, u64 *target); + int (*scnprintf)(struct ins *ins, char *bf, size_t size, + const char *operands, u64 target); }; struct ins { -- cgit v1.2.3-59-g8ed1b From 887c0066a810234cfae9927b3781b6a1c617fb39 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 10:29:53 -0300 Subject: perf annotate browser: Rename disasm_line_rb_node Its not just an rb_node, it carries extra state that is private to the browser. And will carry some more in the next patches. Better name it browser_disasm_line, i.e. something derived from disasm_line, that specializes it. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-nev4b97vdvv35we1qmooym52@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 76 +++++++++++++++++++-------------------- 1 file changed, 38 insertions(+), 38 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index f7d2db3e8464..58ebfd0ac1e8 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -25,16 +25,16 @@ struct annotate_browser { char search_bf[128]; }; -struct disasm_line_rb_node { +struct browser_disasm_line { struct rb_node rb_node; double percent; u32 idx; int idx_asm; }; -static inline struct disasm_line_rb_node *disasm_line__rb(struct disasm_line *dl) +static inline struct browser_disasm_line *disasm_line__browser(struct disasm_line *dl) { - return (struct disasm_line_rb_node *)(dl + 1); + return (struct browser_disasm_line *)(dl + 1); } static bool disasm_line__filter(struct ui_browser *browser, void *entry) @@ -60,9 +60,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro int width = self->width; if (dl->offset != -1) { - struct disasm_line_rb_node *dlrb = disasm_line__rb(dl); - ui_browser__set_percent_color(self, dlrb->percent, current_entry); - slsmg_printf(" %7.2f ", dlrb->percent); + struct browser_disasm_line *bdl = disasm_line__browser(dl); + ui_browser__set_percent_color(self, bdl->percent, current_entry); + slsmg_printf(" %7.2f ", bdl->percent); } else { ui_browser__set_percent_color(self, 0, current_entry); slsmg_write_nstring(" ", 9); @@ -146,22 +146,22 @@ static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *s return percent; } -static void disasm_rb_tree__insert(struct rb_root *root, struct disasm_line_rb_node *dlrb) +static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl) { struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; - struct disasm_line_rb_node *l; + struct browser_disasm_line *l; while (*p != NULL) { parent = *p; - l = rb_entry(parent, struct disasm_line_rb_node, rb_node); - if (dlrb->percent < l->percent) + l = rb_entry(parent, struct browser_disasm_line, rb_node); + if (bdl->percent < l->percent) p = &(*p)->rb_left; else p = &(*p)->rb_right; } - rb_link_node(&dlrb->rb_node, parent, p); - rb_insert_color(&dlrb->rb_node, root); + rb_link_node(&bdl->rb_node, parent, p); + rb_insert_color(&bdl->rb_node, root); } static void annotate_browser__set_top(struct annotate_browser *self, @@ -190,12 +190,12 @@ static void annotate_browser__set_top(struct annotate_browser *self, static void annotate_browser__set_rb_top(struct annotate_browser *browser, struct rb_node *nd) { - struct disasm_line_rb_node *rbpos; + struct browser_disasm_line *bpos; struct disasm_line *pos; - rbpos = rb_entry(nd, struct disasm_line_rb_node, rb_node); - pos = ((struct disasm_line *)rbpos) - 1; - annotate_browser__set_top(browser, pos, rbpos->idx); + bpos = rb_entry(nd, struct browser_disasm_line, rb_node); + pos = ((struct disasm_line *)bpos) - 1; + annotate_browser__set_top(browser, pos, bpos->idx); browser->curr_hot = nd; } @@ -212,13 +212,13 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser, pthread_mutex_lock(¬es->lock); list_for_each_entry(pos, ¬es->src->source, node) { - struct disasm_line_rb_node *rbpos = disasm_line__rb(pos); - rbpos->percent = disasm_line__calc_percent(pos, sym, evidx); - if (rbpos->percent < 0.01) { - RB_CLEAR_NODE(&rbpos->rb_node); + struct browser_disasm_line *bpos = disasm_line__browser(pos); + bpos->percent = disasm_line__calc_percent(pos, sym, evidx); + if (bpos->percent < 0.01) { + RB_CLEAR_NODE(&bpos->rb_node); continue; } - disasm_rb_tree__insert(&browser->entries, rbpos); + disasm_rb_tree__insert(&browser->entries, bpos); } pthread_mutex_unlock(¬es->lock); @@ -228,37 +228,37 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser, static bool annotate_browser__toggle_source(struct annotate_browser *browser) { struct disasm_line *dl; - struct disasm_line_rb_node *dlrb; + struct browser_disasm_line *bdl; off_t offset = browser->b.index - browser->b.top_idx; browser->b.seek(&browser->b, offset, SEEK_CUR); dl = list_entry(browser->b.top, struct disasm_line, node); - dlrb = disasm_line__rb(dl); + bdl = disasm_line__browser(dl); if (browser->hide_src_code) { - if (dlrb->idx_asm < offset) - offset = dlrb->idx; + if (bdl->idx_asm < offset) + offset = bdl->idx; browser->b.nr_entries = browser->nr_entries; browser->hide_src_code = false; browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = dlrb->idx - offset; - browser->b.index = dlrb->idx; + browser->b.top_idx = bdl->idx - offset; + browser->b.index = bdl->idx; } else { - if (dlrb->idx_asm < 0) { + if (bdl->idx_asm < 0) { ui_helpline__puts("Only available for assembly lines."); browser->b.seek(&browser->b, -offset, SEEK_CUR); return false; } - if (dlrb->idx_asm < offset) - offset = dlrb->idx_asm; + if (bdl->idx_asm < offset) + offset = bdl->idx_asm; browser->b.nr_entries = browser->nr_asm_entries; browser->hide_src_code = true; browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = dlrb->idx_asm - offset; - browser->b.index = dlrb->idx_asm; + browser->b.top_idx = bdl->idx_asm - offset; + browser->b.index = bdl->idx_asm; } return true; @@ -621,7 +621,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, if (map->dso->annotate_warned) return -1; - if (symbol__annotate(sym, map, sizeof(struct disasm_line_rb_node)) < 0) { + if (symbol__annotate(sym, map, sizeof(struct browser_disasm_line)) < 0) { ui__error("%s", ui_helpline__last_msg); return -1; } @@ -632,17 +632,17 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, browser.start = map__rip_2objdump(map, sym->start); list_for_each_entry(pos, ¬es->src->source, node) { - struct disasm_line_rb_node *rbpos; + struct browser_disasm_line *bpos; size_t line_len = strlen(pos->line); if (browser.b.width < line_len) browser.b.width = line_len; - rbpos = disasm_line__rb(pos); - rbpos->idx = browser.nr_entries++; + bpos = disasm_line__browser(pos); + bpos->idx = browser.nr_entries++; if (pos->offset != -1) - rbpos->idx_asm = browser.nr_asm_entries++; + bpos->idx_asm = browser.nr_asm_entries++; else - rbpos->idx_asm = -1; + bpos->idx_asm = -1; } browser.b.nr_entries = browser.nr_entries; -- cgit v1.2.3-59-g8ed1b From 1b2e2df4e395293e65dbda49e58cb4c7abeb7507 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 10:57:06 -0300 Subject: perf symbols: Introduce symbol__size method Fixing some off by one cases in the process. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-fxumzufhk829z0q9anmvemea@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 10 +++++----- tools/perf/util/symbol.h | 5 +++++ 2 files changed, 10 insertions(+), 5 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index ed1f89d7044e..d8e2f414e610 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -101,7 +101,7 @@ int symbol__annotate_init(struct map *map __used, struct symbol *sym) int symbol__alloc_hist(struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); - const size_t size = sym->end - sym->start + 1; + const size_t size = symbol__size(sym); size_t sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); @@ -609,7 +609,7 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx) { struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); - u64 len = sym->end - sym->start, offset; + u64 len = symbol__size(sym), offset; for (offset = 0; offset < len; ++offset) if (h->addr[offset] != 0) @@ -636,7 +636,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, else d_filename = basename(filename); - len = sym->end - sym->start; + len = symbol__size(sym); printf(" Percent | Source code & Disassembly of %s\n", d_filename); printf("------------------------------------------------\n"); @@ -696,7 +696,7 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) { struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); - int len = sym->end - sym->start, offset; + int len = symbol__size(sym), offset; h->sum = 0; for (offset = 0; offset < len; ++offset) { @@ -755,7 +755,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, if (symbol__annotate(sym, map, 0) < 0) return -1; - len = sym->end - sym->start; + len = symbol__size(sym); if (print_lines) { symbol__get_source_line(sym, map, evidx, &source_line, diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index ac49ef208a5f..1f003884f1ab 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -65,6 +65,11 @@ struct symbol { void symbol__delete(struct symbol *sym); +static inline size_t symbol__size(const struct symbol *sym) +{ + return sym->end - sym->start + 1; +} + struct strlist; struct symbol_conf { -- cgit v1.2.3-59-g8ed1b From b793a40185b246c2690e06c6d86d12c35f24ab4c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 12:19:22 -0300 Subject: perf annotate browser: Hide non jump target addresses in offset mode This: 0.00 : ffffffff8116bd00: lock btsl $0x0,(%r12) 100.00 : ffffffff8116bd07: sbb %eax,%eax 0.00 : ffffffff8116bd09: test %eax,%eax 0.00 : ffffffff8116bd0b: jne ffffffff8116bf5f <__mem_cgroup_commit_charge+0x28f> 0.00 : ffffffff8116bd11: mov (%r12),%rax 0.00 : ffffffff8116bd15: test $0x2,%al 0.00 : ffffffff8116bd17: jne ffffffff8116bf6e <__mem_cgroup_commit_charge+0x29e> 0.00 : ffffffff8116bd1d: test %r9b,%r9b 0.00 : ffffffff8116bd20: jne ffffffff8116be30 <__mem_cgroup_commit_charge+0x160> 0.00 : ffffffff8116bd26: xor %eax,%eax 0.00 : ffffffff8116bd28: mov %r13,0x8(%r12) 0.00 : ffffffff8116bd2d: lock orb $0x2,(%r12) 0.00 : ffffffff8116bd33: test %r9b,%r9b 0.00 : ffffffff8116bd36: je ffffffff8116bdf3 <__mem_cgroup_commit_charge+0x123> Becomes: 0.00 : 30: lock btsl $0x0,(%r12) 100.00 : sbb %eax,%eax 0.00 : test %eax,%eax 0.00 : jne 28f 0.00 : mov (%r12),%rax 0.00 : test $0x2,%al 0.00 : jne 29e 0.00 : test %r9b,%r9b 0.00 : jne 160 0.00 : 56: xor %eax,%eax 0.00 : 58: mov %r13,0x8(%r12) 0.00 : lock orb $0x2,(%r12) 0.00 : test %r9b,%r9b 0.00 : je 123 I.e. We trow away all those useless addresses and keep just jump labels. Suggested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-r2vmbtgz0l8coluj8flztgrn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 71 ++++++++++++++++++++++++++++++++------- 1 file changed, 58 insertions(+), 13 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 58ebfd0ac1e8..a1e942bb903b 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -11,11 +11,20 @@ #include #include +struct browser_disasm_line { + struct rb_node rb_node; + double percent; + u32 idx; + int idx_asm; + bool jump_target; +}; + struct annotate_browser { struct ui_browser b; struct rb_root entries; struct rb_node *curr_hot; struct disasm_line *selection; + struct disasm_line **offsets; u64 start; int nr_asm_entries; int nr_entries; @@ -25,13 +34,6 @@ struct annotate_browser { char search_bf[128]; }; -struct browser_disasm_line { - struct rb_node rb_node; - double percent; - u32 idx; - int idx_asm; -}; - static inline struct browser_disasm_line *disasm_line__browser(struct disasm_line *dl) { return (struct browser_disasm_line *)(dl + 1); @@ -53,6 +55,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro { struct annotate_browser *ab = container_of(self, struct annotate_browser, b); struct disasm_line *dl = list_entry(entry, struct disasm_line, node); + struct browser_disasm_line *bdl = disasm_line__browser(dl); bool current_entry = ui_browser__is_current_entry(self, row); bool change_color = (!ab->hide_src_code && (!current_entry || (self->use_navkeypressed && @@ -60,7 +63,6 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro int width = self->width; if (dl->offset != -1) { - struct browser_disasm_line *bdl = disasm_line__browser(dl); ui_browser__set_percent_color(self, bdl->percent, current_entry); slsmg_printf(" %7.2f ", bdl->percent); } else { @@ -90,7 +92,11 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!ab->use_offset) addr += ab->start; - printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); + if (bdl->jump_target || !ab->use_offset) + printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); + else + printed = scnprintf(bf, sizeof(bf), " "); + if (change_color) color = ui_browser__set_color(self, HE_COLORSET_ADDR); slsmg_write_nstring(bf, printed); @@ -593,12 +599,39 @@ int hist_entry__tui_annotate(struct hist_entry *he, int evidx, timer, arg, delay_secs); } +static void annotate_browser__mark_jump_targets(struct annotate_browser *browser, + size_t size) +{ + u64 offset; + + for (offset = 0; offset < size; ++offset) { + struct disasm_line *dl = browser->offsets[offset], *dlt; + struct browser_disasm_line *bdlt; + + if (!dl || !dl->ins || !ins__is_jump(dl->ins)) + continue; + + if (dl->target >= size) { + ui__error("jump to after symbol!\n" + "size: %zx, jump target: %" PRIx64, + size, dl->target); + continue; + } + + dlt = browser->offsets[dl->target]; + bdlt = disasm_line__browser(dlt); + bdlt->jump_target = true; + } + +} + int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, void(*timer)(void *arg), void *arg, int delay_secs) { struct disasm_line *pos, *n; struct annotation *notes; + const size_t size = symbol__size(sym); struct map_symbol ms = { .map = map, .sym = sym, @@ -613,7 +646,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, .use_navkeypressed = true, }, }; - int ret; + int ret = -1; if (sym == NULL) return -1; @@ -621,9 +654,15 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, if (map->dso->annotate_warned) return -1; + browser.offsets = zalloc(size * sizeof(struct disasm_line *)); + if (browser.offsets == NULL) { + ui__error("Not enough memory!"); + return -1; + } + if (symbol__annotate(sym, map, sizeof(struct browser_disasm_line)) < 0) { ui__error("%s", ui_helpline__last_msg); - return -1; + goto out_free_offsets; } ui_helpline__push("Press <- or ESC to exit"); @@ -639,12 +678,15 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, browser.b.width = line_len; bpos = disasm_line__browser(pos); bpos->idx = browser.nr_entries++; - if (pos->offset != -1) + if (pos->offset != -1) { bpos->idx_asm = browser.nr_asm_entries++; - else + browser.offsets[pos->offset] = pos; + } else bpos->idx_asm = -1; } + annotate_browser__mark_jump_targets(&browser, size); + browser.b.nr_entries = browser.nr_entries; browser.b.entries = ¬es->src->source, browser.b.width += 18; /* Percentage */ @@ -653,5 +695,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, list_del(&pos->node); disasm_line__free(pos); } + +out_free_offsets: + free(browser.offsets); return ret; } -- cgit v1.2.3-59-g8ed1b From 61e04b332e9417720c331eb39c96a4ccb1aa0460 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 13:15:24 -0300 Subject: perf annotate browser: Align jump labels Find out at browser startup the max width and use it when rendering jump labels on the screen. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-7dxjiwqb77wz6f5lc05e0i0x@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 17 +++++++++++++---- tools/perf/util/util.c | 10 ++++++++++ tools/perf/util/util.h | 2 ++ 3 files changed, 25 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index a1e942bb903b..c5ab21c50a74 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -31,6 +31,7 @@ struct annotate_browser { bool hide_src_code; bool use_offset; bool searching_backwards; + u8 offset_width; char search_bf[128]; }; @@ -92,10 +93,17 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!ab->use_offset) addr += ab->start; - if (bdl->jump_target || !ab->use_offset) - printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); - else - printed = scnprintf(bf, sizeof(bf), " "); + if (!ab->use_offset) { + printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ":", addr); + } else { + if (bdl->jump_target) { + printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ":", + ab->offset_width, addr); + } else { + printed = scnprintf(bf, sizeof(bf), "%*s ", + ab->offset_width, " "); + } + } if (change_color) color = ui_browser__set_color(self, HE_COLORSET_ADDR); @@ -687,6 +695,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, annotate_browser__mark_jump_targets(&browser, size); + browser.offset_width = hex_width(size); browser.b.nr_entries = browser.nr_entries; browser.b.entries = ¬es->src->source, browser.b.width += 18; /* Percentage */ diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 8109a907841e..d03599fbe78b 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -148,3 +148,13 @@ int readn(int fd, void *buf, size_t n) return buf - buf_start; } + +size_t hex_width(u64 v) +{ + size_t n = 1; + + while ((v >>= 4)) + ++n; + + return n; +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 0f99f394d8e0..6121e24fefc0 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -265,4 +265,6 @@ bool is_power_of_2(unsigned long n) return (n != 0 && ((n & (n - 1)) == 0)); } +size_t hex_width(u64 v); + #endif -- cgit v1.2.3-59-g8ed1b From 8bf39cb81bdad01ad0d830e8c3639b9e8f552d57 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 15:07:46 -0300 Subject: perf annotate browser: Make lines more compact But now we have a lot of space on the right... Perhaps we should add a "Trending on G+" gizmo... ;-) Requested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Linus Torvalds Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-igoynvtg2wc6mdfinc69prp6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index c5ab21c50a74..34b86ea3e54d 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -82,11 +82,11 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__set_color(self, HE_COLORSET_CODE); if (!*dl->line) - slsmg_write_nstring(" ", width - 18); + slsmg_write_nstring(" ", width - 10); else if (dl->offset == -1) - slsmg_write_nstring(dl->line, width - 18); + slsmg_write_nstring(dl->line, width - 10); else { - char bf[256], *line = dl->line; + char bf[256]; u64 addr = dl->offset; int printed, color = -1; @@ -114,12 +114,12 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), !ab->use_offset ? dl->operands : NULL, dl->target); - line = bf; - slsmg_write_nstring(" ", 7); - printed += 7; - } + slsmg_write_nstring(" ", 2); + printed += 2; + } else + scnprintf(bf, sizeof(bf), " %-6.6s %s", dl->name, dl->operands); - slsmg_write_nstring(line, width - 18 - printed); + slsmg_write_nstring(bf, width - 10 - printed); } if (current_entry) @@ -653,6 +653,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, .priv = &ms, .use_navkeypressed = true, }, + .use_offset = true, }; int ret = -1; -- cgit v1.2.3-59-g8ed1b From cf2dacc5608ca950d6a7a92bf6a5f9f9bcf13b92 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 15:19:17 -0300 Subject: perf annotate browser: Use a vertical line as percentage separator Where we had ':'. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-l8gbejzpglnwiwk43450h31g@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 34b86ea3e54d..e760326efca0 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -71,8 +71,10 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro slsmg_write_nstring(" ", 9); } - SLsmg_write_char(':'); - slsmg_write_nstring(" ", 8); + SLsmg_set_char_set(1); + SLsmg_write_char(SLSMG_VLINE_CHAR); + SLsmg_set_char_set(0); + SLsmg_write_char(' '); /* The scroll bar isn't being used */ if (!self->navkeypressed) -- cgit v1.2.3-59-g8ed1b From 3f862fd076275c442dfe295eddb5650a6e0aecd4 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 19 Apr 2012 17:10:12 -0300 Subject: perf annotate: Add missing jump variants Taken from binutils: [acme@sandy binutils-2.22]$ grep ^j opcodes/i386-opc.tbl | cut -d, -f1 | sort -u Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-mwshob8n12jlsu458ghvheos@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index d8e2f414e610..e70cbb4f3bed 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -70,11 +70,40 @@ static struct ins instructions[] = { { .name = "call", .ops = &call_ops, }, { .name = "callq", .ops = &call_ops, }, { .name = "ja", .ops = &jump_ops, }, + { .name = "jae", .ops = &jump_ops, }, + { .name = "jb", .ops = &jump_ops, }, + { .name = "jbe", .ops = &jump_ops, }, + { .name = "jc", .ops = &jump_ops, }, + { .name = "jcxz", .ops = &jump_ops, }, { .name = "je", .ops = &jump_ops, }, + { .name = "jecxz", .ops = &jump_ops, }, + { .name = "jg", .ops = &jump_ops, }, + { .name = "jge", .ops = &jump_ops, }, + { .name = "jl", .ops = &jump_ops, }, + { .name = "jle", .ops = &jump_ops, }, { .name = "jmp", .ops = &jump_ops, }, { .name = "jmpq", .ops = &jump_ops, }, + { .name = "jna", .ops = &jump_ops, }, + { .name = "jnae", .ops = &jump_ops, }, + { .name = "jnb", .ops = &jump_ops, }, + { .name = "jnbe", .ops = &jump_ops, }, + { .name = "jnc", .ops = &jump_ops, }, { .name = "jne", .ops = &jump_ops, }, + { .name = "jng", .ops = &jump_ops, }, + { .name = "jnge", .ops = &jump_ops, }, + { .name = "jnl", .ops = &jump_ops, }, + { .name = "jnle", .ops = &jump_ops, }, + { .name = "jno", .ops = &jump_ops, }, + { .name = "jnp", .ops = &jump_ops, }, + { .name = "jns", .ops = &jump_ops, }, + { .name = "jnz", .ops = &jump_ops, }, + { .name = "jo", .ops = &jump_ops, }, + { .name = "jp", .ops = &jump_ops, }, + { .name = "jpe", .ops = &jump_ops, }, + { .name = "jpo", .ops = &jump_ops, }, + { .name = "jrcxz", .ops = &jump_ops, }, { .name = "js", .ops = &jump_ops, }, + { .name = "jz", .ops = &jump_ops, }, }; static int ins__cmp(const void *name, const void *insp) -- cgit v1.2.3-59-g8ed1b From c7e6ead7347813b5833efb9b32908c08ff131259 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 14:38:46 -0300 Subject: perf annotate: Group operands members So that the ins_ops can handle them in a single place, instead of adding more and more functions or ins_ops parameters. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-pk4dqaum6ftiz104dvimwgtb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 17 ++++++------ tools/perf/util/annotate.c | 56 +++++++++++++++++++-------------------- tools/perf/util/annotate.h | 22 ++++++++------- 3 files changed, 49 insertions(+), 46 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index e760326efca0..9c7b6d87822e 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -113,13 +113,12 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (change_color) ui_browser__set_color(self, color); if (dl->ins && dl->ins->ops->scnprintf) { - dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), - !ab->use_offset ? dl->operands : NULL, - dl->target); + dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), &dl->ops, + !ab->use_offset); slsmg_write_nstring(" ", 2); printed += 2; } else - scnprintf(bf, sizeof(bf), " %-6.6s %s", dl->name, dl->operands); + scnprintf(bf, sizeof(bf), " %-6.6s %s", dl->name, dl->ops.raw); slsmg_write_nstring(bf, width - 10 - printed); } @@ -294,7 +293,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser, if (!ins__is_call(dl->ins)) return false; - ip = ms->map->map_ip(ms->map, dl->target); + ip = ms->map->map_ip(ms->map, dl->ops.target); target = map__find_symbol(ms->map, ip, NULL); if (target == NULL) { ui_helpline__puts("The called function was not found."); @@ -345,7 +344,7 @@ static bool annotate_browser__jump(struct annotate_browser *browser) if (!ins__is_jump(dl->ins)) return false; - dl = annotate_browser__find_offset(browser, dl->target, &idx); + dl = annotate_browser__find_offset(browser, dl->ops.target, &idx); if (dl == NULL) { ui_helpline__puts("Invallid jump offset"); return true; @@ -621,14 +620,14 @@ static void annotate_browser__mark_jump_targets(struct annotate_browser *browser if (!dl || !dl->ins || !ins__is_jump(dl->ins)) continue; - if (dl->target >= size) { + if (dl->ops.target >= size) { ui__error("jump to after symbol!\n" "size: %zx, jump target: %" PRIx64, - size, dl->target); + size, dl->ops.target); continue; } - dlt = browser->offsets[dl->target]; + dlt = browser->offsets[dl->ops.target]; bdlt = disasm_line__browser(dlt); bdlt->jump_target = true; } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index e70cbb4f3bed..7f6c14b3fd7f 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -18,14 +18,14 @@ const char *disassembler_style; -static int call_ops__parse_target(const char *operands, u64 *target) +static int call__parse(struct ins_operands *ops) { - *target = strtoull(operands, NULL, 16); + ops->target = strtoull(ops->raw, NULL, 16); return 0; } static struct ins_ops call_ops = { - .parse_target = call_ops__parse_target, + .parse = call__parse, }; bool ins__is_call(const struct ins *ins) @@ -33,29 +33,29 @@ bool ins__is_call(const struct ins *ins) return ins->ops == &call_ops; } -static int jump_ops__parse_target(const char *operands, u64 *target) +static int jump__parse(struct ins_operands *ops) { - const char *s = strchr(operands, '+'); + const char *s = strchr(ops->raw, '+'); if (s++ == NULL) return -1; - *target = strtoll(s, NULL, 16); + ops->target = strtoll(s, NULL, 16); return 0; } -static int jump_ops__scnprintf(struct ins *ins, char *bf, size_t size, - const char *operands, u64 target) +static int jump__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops, bool addrs) { - if (operands) - return scnprintf(bf, size, "%-6.6s %s", ins->name, operands); + if (addrs) + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); - return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, target); + return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target); } static struct ins_ops jump_ops = { - .parse_target = jump_ops__parse_target, - .scnprintf = jump_ops__scnprintf, + .parse = jump__parse, + .scnprintf = jump__scnprintf, }; bool ins__is_jump(const struct ins *ins) @@ -190,8 +190,8 @@ static void disasm_line__init_ins(struct disasm_line *dl) if (!dl->ins->ops) return; - if (dl->ins->ops->parse_target) - dl->ins->ops->parse_target(dl->operands, &dl->target); + if (dl->ins->ops->parse) + dl->ins->ops->parse(&dl->ops); } static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) @@ -213,25 +213,25 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs if (name[0] == '\0') goto out_delete; - dl->operands = name + 1; + dl->ops.raw = name + 1; - while (dl->operands[0] != '\0' && - !isspace(dl->operands[0])) - ++dl->operands; + while (dl->ops.raw[0] != '\0' && + !isspace(dl->ops.raw[0])) + ++dl->ops.raw; - tmp = dl->operands[0]; - dl->operands[0] = '\0'; + tmp = dl->ops.raw[0]; + dl->ops.raw[0] = '\0'; dl->name = strdup(name); if (dl->name == NULL) goto out_free_line; - dl->operands[0] = tmp; + dl->ops.raw[0] = tmp; - if (dl->operands[0] != '\0') { - dl->operands++; - while (isspace(dl->operands[0])) - ++dl->operands; + if (dl->ops.raw[0] != '\0') { + dl->ops.raw++; + while (isspace(dl->ops.raw[0])) + ++dl->ops.raw; } disasm_line__init_ins(dl); @@ -753,9 +753,9 @@ static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); - if (dl->operands[0] != '\0') { + if (dl->ops.raw[0] != '\0') { printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", - dl->operands); + dl->ops.raw); } return printed + fprintf(fp, "\n"); diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 6314335007f0..a6f60d5c5138 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -9,10 +9,15 @@ struct ins; +struct ins_operands { + char *raw; + u64 target; +}; + struct ins_ops { - int (*parse_target)(const char *operands, u64 *target); + int (*parse)(struct ins_operands *ops); int (*scnprintf)(struct ins *ins, char *bf, size_t size, - const char *operands, u64 target); + struct ins_operands *ops, bool addrs); }; struct ins { @@ -24,13 +29,12 @@ bool ins__is_jump(const struct ins *ins); bool ins__is_call(const struct ins *ins); struct disasm_line { - struct list_head node; - s64 offset; - u64 target; - char *line; - char *name; - struct ins *ins; - char *operands; + struct list_head node; + s64 offset; + char *line; + char *name; + struct ins *ins; + struct ins_operands ops; }; void disasm_line__free(struct disasm_line *dl); -- cgit v1.2.3-59-g8ed1b From 97148a97baf71536e15aa0acf3310b7b1409e2f4 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 15:17:50 -0300 Subject: perf annotate browser: Bandaid offsets/jump label objdump ambiguity We need to cope with things like: $ objdump -d --no-show-raw -S -C /lib/modules/3.4.0-rc2+/build/vmlinux ffffffff8125ec60 : * Output: * eax uncopied bytes or 0 if successful. */ ENTRY(copy_user_generic_unrolled) CFI_STARTPROC cmpl $8,%edx ffffffff8125ec60: cmp $0x8,%edx jb 20f /* less then 8 bytes, go to byte copy loop */ ffffffff8125ec63: jb ffffffff8125ecf5 ALIGN_DESTINATION ffffffff8125ec8d: je ffffffff8125ecd9 1: movq (%rsi),%r8 ffffffff8125ec8f: mov (%rsi),%r8 2: movq 1*8(%rsi),%r9 ffffffff8125ec92: mov 0x8(%rsi),%r9 3: movq 2*8(%rsi),%r10 ffffffff8125ec96: mov 0x10(%rsi),%r10 4: movq 3*8(%rsi),%r11 Probably expect that the length of the addr field be the same... Lazy move for now, back to supporting suppressing the address on callq lines... Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-7hp85vnvowpqj8799f8rxbu1@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 9c7b6d87822e..c2bbfc767d4f 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -690,7 +690,15 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, bpos->idx = browser.nr_entries++; if (pos->offset != -1) { bpos->idx_asm = browser.nr_asm_entries++; - browser.offsets[pos->offset] = pos; + /* + * FIXME: short term bandaid to cope with assembly + * routines that comes with labels in the same column + * as the address in objdump, sigh. + * + * E.g. copy_user_generic_unrolled + */ + if (pos->offset < (s64)size) + browser.offsets[pos->offset] = pos; } else bpos->idx_asm = -1; } -- cgit v1.2.3-59-g8ed1b From d22328855666464731ee95d9e1e8d35dc7a39d8d Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 15:26:47 -0300 Subject: perf annotate browser: Suppress the callq address 0.00 | callq ffffffff8112f190 <__mod_zone_page_state> Becomes: 0.00 | callq __mod_zone_page_state But if you press 'o' it gets verbose, i.e. as in objdump -dS: 0.00 | ffffffff8116bdda: callq ffffffff8112f190 <__mod_zone_page_state> Requested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Linus Torvalds Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-bwse2wib954y0db7dq91bes5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 43 +++++++++++++++++++++++++++++++++++++++++-- tools/perf/util/annotate.h | 1 + 2 files changed, 42 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7f6c14b3fd7f..b07d7d1425f9 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -20,12 +20,50 @@ const char *disassembler_style; static int call__parse(struct ins_operands *ops) { - ops->target = strtoull(ops->raw, NULL, 16); + char *endptr, *tok, *name; + + ops->target = strtoull(ops->raw, &endptr, 16); + + name = strchr(endptr, '<'); + if (name == NULL) + goto indirect_call; + + name++; + + tok = strchr(name, '>'); + if (tok == NULL) + return -1; + + *tok = '\0'; + ops->target_name = strdup(name); + *tok = '>'; + + return ops->target_name == NULL ? -1 : 0; + +indirect_call: + tok = strchr(endptr, '*'); + if (tok == NULL) + return -1; + + ops->target = strtoull(tok + 1, NULL, 16); return 0; } +static int call__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops, bool addrs) +{ + if (addrs) + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); + + if (ops->target_name) + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target_name); + + return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target); +} + static struct ins_ops call_ops = { - .parse = call__parse, + .parse = call__parse, + .scnprintf = call__scnprintf, }; bool ins__is_call(const struct ins *ins) @@ -251,6 +289,7 @@ void disasm_line__free(struct disasm_line *dl) { free(dl->line); free(dl->name); + free(dl->ops.target_name); free(dl); } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index a6f60d5c5138..8a8af0d82b07 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -11,6 +11,7 @@ struct ins; struct ins_operands { char *raw; + char *target_name; u64 target; }; -- cgit v1.2.3-59-g8ed1b From 51a0d455b5f44cb4680e0a89f99860b669e40d0f Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 15:40:20 -0300 Subject: perf annotate browser: Add visual cues on jump lines Using up/down arrows just before the instruction, replacing the actual chars with approximations to avoid mail encoding snafus: avtab_search_node 0.00 | push %rbp 0.00 | mov %rsp,%rbp 0.00 | callq mcount 0.00 | movzwl 0x6(%rsi),%edx 0.00 | and $0x7fff,%dx 0.00 | test %rdi,%rdi 0.00 | v jne 20 0.00 | 17: xor %eax,%eax 0.00 | 19: leaveq 0.00 | retq 0.00 | nopl 0x0(%rax,%rax,1) 0.00 | 20: mov (%rdi),%rax 0.00 | test %rax,%rax 0.00 | ^ je 17 0.00 | movzwl (%rsi),%ecx 0.00 | movzwl 0x2(%rsi),%r9d 0.00 | movzwl 0x4(%rsi),%r8d 0.00 | movzwl %cx,%esi 0.00 | movzwl %r9w,%r10d 0.00 | shl $0x9,%esi 0.00 | lea (%rsi,%r10,4),%esi 0.00 | lea (%r8,%rsi,1),%esi 0.00 | and 0x10(%rdi),%si 0.00 | movzwl %si,%esi 0.00 | mov (%rax,%rsi,8),%rax 0.00 | test %rax,%rax 0.00 | ^ je 19 0.00 | nopw 0x0(%rax,%rax,1) 0.00 | 60: cmp %cx,(%rax) 0.00 | v jne 7e 0.00 | cmp %r9w,0x2(%rax) 0.00 | v jne 7e 0.00 | cmp %r8w,0x4(%rax) 0.00 | v jne 79 0.00 | test %dx,0x6(%rax) 0.00 | ^ jne 19 0.00 | 79: cmp %r8w,0x4(%rax) 93.04 | 7e:^ ja 17 2.53 | mov 0x10(%rax),%rax 4.43 | test %rax,%rax 0.00 | ^ jne 60 0.00 | leaveq 0.00 | retq Next low hanging fruit is to use left arrow for retqs, then work on clearling marking loops. Requested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Linus Torvalds Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-hkx848wdbs6n7bcp3ymr9yus@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index c2bbfc767d4f..63206ca4336b 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -113,9 +113,20 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (change_color) ui_browser__set_color(self, color); if (dl->ins && dl->ins->ops->scnprintf) { + if (ins__is_jump(dl->ins)) { + bool fwd = dl->ops.target > (u64)dl->offset; + + SLsmg_set_char_set(1); + SLsmg_write_char(fwd ? SLSMG_DARROW_CHAR : + SLSMG_UARROW_CHAR); + SLsmg_set_char_set(0); + SLsmg_write_char(' '); + } else { + slsmg_write_nstring(" ", 2); + } + dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), &dl->ops, !ab->use_offset); - slsmg_write_nstring(" ", 2); printed += 2; } else scnprintf(bf, sizeof(bf), " %-6.6s %s", dl->name, dl->ops.raw); -- cgit v1.2.3-59-g8ed1b From 4ea08b522071c6c34098b7a880aac3551abecd75 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 15:51:40 -0300 Subject: perf annotate browser: Add visual cue for retq instruction Just use a left arrow prefixing retqs. Requested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Linus Torvalds Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-tnpfijuomrntbnl5vr6ibdwa@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 63206ca4336b..d0c606ecda05 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -127,11 +127,20 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), &dl->ops, !ab->use_offset); - printed += 2; - } else - scnprintf(bf, sizeof(bf), " %-6.6s %s", dl->name, dl->ops.raw); + } else { + if (strcmp(dl->name, "retq")) { + slsmg_write_nstring(" ", 2); + } else { + SLsmg_set_char_set(1); + SLsmg_write_char(SLSMG_LARROW_CHAR); + SLsmg_set_char_set(0); + SLsmg_write_char(' '); + } + + scnprintf(bf, sizeof(bf), "%-6.6s %s", dl->name, dl->ops.raw); + } - slsmg_write_nstring(bf, width - 10 - printed); + slsmg_write_nstring(bf, width - 12 - printed); } if (current_entry) -- cgit v1.2.3-59-g8ed1b From c4cceae3ba786c136b0cf568359863d74897a48a Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 15:57:15 -0300 Subject: perf annotate browser: Handle retq instructions By just returning to the previous function being annotated or to the top main screen when popping out the base of the annotation stack. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-x1dlc4d5aukj72g45o15s75k@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index d0c606ecda05..38f4c6f821c2 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -599,10 +599,15 @@ show_help: ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); else if (self->selection->offset == -1) ui_helpline__puts("Actions are only available for assembly lines."); - else if (!self->selection->ins || - !(annotate_browser__jump(self) || - annotate_browser__callq(self, evidx, timer, arg, delay_secs))) - ui_helpline__puts("Actions are only available for the 'callq' and jump instructions."); + else if (!self->selection->ins) { + if (strcmp(self->selection->name, "retq")) + goto show_sup_ins; + goto out; + } else if (!(annotate_browser__jump(self) || + annotate_browser__callq(self, evidx, timer, arg, delay_secs))) { +show_sup_ins: + ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); + } continue; case K_LEFT: case K_ESC: -- cgit v1.2.3-59-g8ed1b From 59d038d591f7f00e6752cbfadbbc1c0ca318c5c0 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2012 16:26:14 -0300 Subject: ui browser: Add method to write graphical characters To save typing on the switch char set slang stuff. It also helps in removing more slang direct calls, wrapping them at the ui_browser level, where at some point I'll try to implement those in terms of GTK+. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-63yhb2htv9g3g1olmojzptkd@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browser.c | 7 +++++++ tools/perf/ui/browser.h | 1 + tools/perf/ui/browsers/annotate.c | 14 ++++---------- 3 files changed, 12 insertions(+), 10 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index a1b140cf75ac..973ff74e3640 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -593,6 +593,13 @@ unsigned int ui_browser__argv_refresh(struct ui_browser *browser) return row; } +void ui_browser__write_graph(struct ui_browser *browser __used, int graph) +{ + SLsmg_set_char_set(1); + SLsmg_write_char(graph); + SLsmg_set_char_set(0); +} + void ui_browser__init(void) { int i = 0; diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 2550277db9f9..ce20975419d2 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -37,6 +37,7 @@ void ui_browser__refresh_dimensions(struct ui_browser *self); void ui_browser__reset_index(struct ui_browser *self); void ui_browser__gotorc(struct ui_browser *self, int y, int x); +void ui_browser__write_graph(struct ui_browser *browser, int graph); void __ui_browser__show_title(struct ui_browser *browser, const char *title); void ui_browser__show_title(struct ui_browser *browser, const char *title); int ui_browser__show(struct ui_browser *self, const char *title, diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 38f4c6f821c2..c3fc6f39f901 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -71,9 +71,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro slsmg_write_nstring(" ", 9); } - SLsmg_set_char_set(1); - SLsmg_write_char(SLSMG_VLINE_CHAR); - SLsmg_set_char_set(0); + ui_browser__write_graph(self, SLSMG_VLINE_CHAR); SLsmg_write_char(' '); /* The scroll bar isn't being used */ @@ -116,10 +114,8 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (ins__is_jump(dl->ins)) { bool fwd = dl->ops.target > (u64)dl->offset; - SLsmg_set_char_set(1); - SLsmg_write_char(fwd ? SLSMG_DARROW_CHAR : - SLSMG_UARROW_CHAR); - SLsmg_set_char_set(0); + ui_browser__write_graph(self, fwd ? SLSMG_DARROW_CHAR : + SLSMG_UARROW_CHAR); SLsmg_write_char(' '); } else { slsmg_write_nstring(" ", 2); @@ -131,9 +127,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (strcmp(dl->name, "retq")) { slsmg_write_nstring(" ", 2); } else { - SLsmg_set_char_set(1); - SLsmg_write_char(SLSMG_LARROW_CHAR); - SLsmg_set_char_set(0); + ui_browser__write_graph(self, SLSMG_LARROW_CHAR); SLsmg_write_char(' '); } -- cgit v1.2.3-59-g8ed1b From f3054c778e367d624ca0dfe68b8498b5c463a9d1 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 23 Apr 2012 09:04:29 -0400 Subject: perf tools: Cleanup realloc use The if branch is completely unnecessary since 'realloc' handles NULL pointers for the first parameter. This is really only a cleanup and submitted mainly to prevent proliferation of bad practices. Signed-off-by: Ulrich Drepper Cc: David Ahern Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Robert Richter Cc: Stephane Eranian Link: http://lkml.kernel.org/r/201204231304.q3ND4TFe020805@drepperk.user.openhosting.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 4c7c2d73251f..6e618ba21382 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -31,21 +31,16 @@ static const char **header_argv; int perf_header__push_event(u64 id, const char *name) { + struct perf_trace_event_type *nevents; + if (strlen(name) > MAX_EVENT_NAME) pr_warning("Event %s will be truncated\n", name); - if (!events) { - events = malloc(sizeof(struct perf_trace_event_type)); - if (events == NULL) - return -ENOMEM; - } else { - struct perf_trace_event_type *nevents; + nevents = realloc(events, (event_count + 1) * sizeof(*events)); + if (nevents == NULL) + return -ENOMEM; + events = nevents; - nevents = realloc(events, (event_count + 1) * sizeof(*events)); - if (nevents == NULL) - return -ENOMEM; - events = nevents; - } memset(&events[event_count], 0, sizeof(struct perf_trace_event_type)); events[event_count].event_id = id; strncpy(events[event_count].name, name, MAX_EVENT_NAME - 1); -- cgit v1.2.3-59-g8ed1b From a3f895be1f1ed17f66e6e71adeef0cc7f937512c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 24 Apr 2012 14:24:28 -0300 Subject: perf annotate browser: Initial loop detection Simple algorithm, just look for the next backward jump that points to before the cursor. Then draw an arrow connecting the jump to its target. Do this as you move the cursor, entering/exiting possible loops. Ex (graph chars replaced to avoid mail encoding woes): avc_has_perm_flags 0.00 | nopl 0x0(%rax) 5.36 |+-> 68: mov (%rax),%rax 5.15 || test %rax,%rax 0.00 || v je 130 2.96 || 74: cmp -0x20(%rax),%ebx 47.38 || lea -0x20(%rax),%rcx 0.28 || ^ jne 68 3.16 || cmp -0x18(%rax),%dx 0.00 |+------^ jne 68 4.92 | cmp 0x4(%rcx),%r13d 0.00 | v jne 68 1.15 | test %rcx,%rcx 0.00 | v je 130 Suggested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Linus Torvalds Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-5gairf6or7dazlx3ocxwvftm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browser.c | 39 +++++++++++++++++++++++++ tools/perf/ui/browser.h | 2 ++ tools/perf/ui/browsers/annotate.c | 61 ++++++++++++++++++++++++++++++++++++--- 3 files changed, 98 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 973ff74e3640..32ac1165100d 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -600,6 +600,45 @@ void ui_browser__write_graph(struct ui_browser *browser __used, int graph) SLsmg_set_char_set(0); } +void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column, + u64 start, u64 end, int start_width) +{ + unsigned int row, end_row; + + SLsmg_set_char_set(1); + + if (start < browser->top_idx + browser->height) { + row = start - browser->top_idx; + ui_browser__gotorc(browser, row, column); + SLsmg_write_char(SLSMG_LLCORN_CHAR); + ui_browser__gotorc(browser, row, column + 1); + SLsmg_draw_hline(start_width); + + if (row-- == 0) + goto out; + } else + row = browser->height - 1; + + if (end > browser->top_idx) + end_row = end - browser->top_idx; + else + end_row = 0; + + ui_browser__gotorc(browser, end_row, column); + SLsmg_draw_vline(row - end_row + 1); + + ui_browser__gotorc(browser, end_row, column); + if (end >= browser->top_idx) { + SLsmg_write_char(SLSMG_ULCORN_CHAR); + ui_browser__gotorc(browser, end_row, column + 1); + SLsmg_write_char(SLSMG_HLINE_CHAR); + ui_browser__gotorc(browser, end_row, column + 2); + SLsmg_write_char(SLSMG_RARROW_CHAR); + } +out: + SLsmg_set_char_set(0); +} + void ui_browser__init(void) { int i = 0; diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index ce20975419d2..2f226cb79f6a 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -38,6 +38,8 @@ void ui_browser__reset_index(struct ui_browser *self); void ui_browser__gotorc(struct ui_browser *self, int y, int x); void ui_browser__write_graph(struct ui_browser *browser, int graph); +void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column, + u64 start, u64 end, int start_width); void __ui_browser__show_title(struct ui_browser *browser, const char *title); void ui_browser__show_title(struct ui_browser *browser, const char *title); int ui_browser__show(struct ui_browser *self, const char *title, diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index c3fc6f39f901..9e3310cd02cd 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -94,13 +94,13 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro addr += ab->start; if (!ab->use_offset) { - printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ":", addr); + printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); } else { if (bdl->jump_target) { - printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ":", + printed = scnprintf(bf, sizeof(bf), " %*" PRIx64 ":", ab->offset_width, addr); } else { - printed = scnprintf(bf, sizeof(bf), "%*s ", + printed = scnprintf(bf, sizeof(bf), " %*s ", ab->offset_width, " "); } } @@ -141,6 +141,59 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ab->selection = dl; } +static void annotate_browser__draw_current_loop(struct ui_browser *browser) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct map_symbol *ms = browser->priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *cursor = ab->selection, *pos = cursor, *target; + struct browser_disasm_line *bcursor = disasm_line__browser(cursor), + *btarget, *bpos; + unsigned int from, to, start_width = 2; + + list_for_each_entry_from(pos, ¬es->src->source, node) { + if (!pos->ins || !ins__is_jump(pos->ins)) + continue; + + target = ab->offsets[pos->ops.target]; + if (!target) + continue; + + btarget = disasm_line__browser(target); + if (btarget->idx <= bcursor->idx) + goto found; + } + + return; + +found: + bpos = disasm_line__browser(pos); + if (ab->hide_src_code) { + from = bpos->idx_asm; + to = btarget->idx_asm; + } else { + from = (u64)bpos->idx; + to = (u64)btarget->idx; + } + + ui_browser__set_color(browser, HE_COLORSET_CODE); + + if (!bpos->jump_target) + start_width += ab->offset_width + 1; + + __ui_browser__line_arrow_up(browser, 10, from, to, start_width); +} + +static unsigned int annotate_browser__refresh(struct ui_browser *browser) +{ + int ret = ui_browser__list_head_refresh(browser); + + annotate_browser__draw_current_loop(browser); + + return ret; +} + static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *sym, int evidx) { double percent = 0.0; @@ -666,7 +719,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, }; struct annotate_browser browser = { .b = { - .refresh = ui_browser__list_head_refresh, + .refresh = annotate_browser__refresh, .seek = ui_browser__list_head_seek, .write = annotate_browser__write, .filter = disasm_line__filter, -- cgit v1.2.3-59-g8ed1b From 9481ede909e08418c9379665ee9f25335d20dd06 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 25 Apr 2012 07:48:42 -0300 Subject: perf annotate browser: Handle NULL jump targets In annotate_browser__mark_jump_targets 702 dlt = browser->offsets[dl->ops.target]; 703 bdlt = disasm_line__browser(dlt); 704 bdlt->jump_target = true; 705 } 706 707 } (gdb) p size $5 = 2415 (gdb) p offset $6 = 140 (gdb) p dl->ops.target $7 = 143 (gdb) p browser->offsets[143] $8 = (struct disasm_line *) 0x0 (gdb) p dl->name $9 = 0x2363bd0 "je" (gdb) Really strange, the code assumed that at the jump target we would have an assembly line, but only in the previous instruction offset we have a 'lock': (gdb) p browser->offsets[144] $10 = (struct disasm_line *) 0x0 (gdb) p browser->offsets[142] $11 = (struct disasm_line *) 0x27bd620 (gdb) p browser->offsets[142]->name $12 = 0x237a8a0 "lock" (gdb) I'll study this more, but for now I'll just check if there is a disasm_line at dl->ops.target, i.e. a valid jump target. Reported-by: Hagen Paul Pfeifer Reported-by: Ingo Molnar Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-inzjrzyqhkzyv78met2vula6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 9e3310cd02cd..4c83fe3d7dad 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -700,6 +700,13 @@ static void annotate_browser__mark_jump_targets(struct annotate_browser *browser } dlt = browser->offsets[dl->ops.target]; + /* + * FIXME: Oops, no jump target? Buggy disassembler? Or do we + * have to adjust to the previous offset? + */ + if (dlt == NULL) + continue; + bdlt = disasm_line__browser(dlt); bdlt->jump_target = true; } -- cgit v1.2.3-59-g8ed1b From 44d1a3edfbd65f9da6725921e2425b10477772d8 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 25 Apr 2012 08:00:23 -0300 Subject: perf annotate: Disambiguage offsets and addresses in operands We were using ins_ops->target for callq addresses and jump offsets, disambiguate by having ins_ops->target.addr and ins_ops->target.offset. For jumps we'll need both to fixup lines that don't have an offset on the <> part. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-3nlcmstua75u07ao7wja1rwx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 14 +++++++------- tools/perf/util/annotate.c | 20 ++++++++++---------- tools/perf/util/annotate.h | 7 +++++-- 3 files changed, 22 insertions(+), 19 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4c83fe3d7dad..73e1ef0081d4 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -112,7 +112,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__set_color(self, color); if (dl->ins && dl->ins->ops->scnprintf) { if (ins__is_jump(dl->ins)) { - bool fwd = dl->ops.target > (u64)dl->offset; + bool fwd = dl->ops.target.offset > (u64)dl->offset; ui_browser__write_graph(self, fwd ? SLSMG_DARROW_CHAR : SLSMG_UARROW_CHAR); @@ -156,7 +156,7 @@ static void annotate_browser__draw_current_loop(struct ui_browser *browser) if (!pos->ins || !ins__is_jump(pos->ins)) continue; - target = ab->offsets[pos->ops.target]; + target = ab->offsets[pos->ops.target.offset]; if (!target) continue; @@ -360,7 +360,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser, if (!ins__is_call(dl->ins)) return false; - ip = ms->map->map_ip(ms->map, dl->ops.target); + ip = ms->map->map_ip(ms->map, dl->ops.target.addr); target = map__find_symbol(ms->map, ip, NULL); if (target == NULL) { ui_helpline__puts("The called function was not found."); @@ -411,7 +411,7 @@ static bool annotate_browser__jump(struct annotate_browser *browser) if (!ins__is_jump(dl->ins)) return false; - dl = annotate_browser__find_offset(browser, dl->ops.target, &idx); + dl = annotate_browser__find_offset(browser, dl->ops.target.offset, &idx); if (dl == NULL) { ui_helpline__puts("Invallid jump offset"); return true; @@ -692,14 +692,14 @@ static void annotate_browser__mark_jump_targets(struct annotate_browser *browser if (!dl || !dl->ins || !ins__is_jump(dl->ins)) continue; - if (dl->ops.target >= size) { + if (dl->ops.target.offset >= size) { ui__error("jump to after symbol!\n" "size: %zx, jump target: %" PRIx64, - size, dl->ops.target); + size, dl->ops.target.offset); continue; } - dlt = browser->offsets[dl->ops.target]; + dlt = browser->offsets[dl->ops.target.offset]; /* * FIXME: Oops, no jump target? Buggy disassembler? Or do we * have to adjust to the previous offset? diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index b07d7d1425f9..e1e7d0eb6145 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -22,7 +22,7 @@ static int call__parse(struct ins_operands *ops) { char *endptr, *tok, *name; - ops->target = strtoull(ops->raw, &endptr, 16); + ops->target.addr = strtoull(ops->raw, &endptr, 16); name = strchr(endptr, '<'); if (name == NULL) @@ -35,17 +35,17 @@ static int call__parse(struct ins_operands *ops) return -1; *tok = '\0'; - ops->target_name = strdup(name); + ops->target.name = strdup(name); *tok = '>'; - return ops->target_name == NULL ? -1 : 0; + return ops->target.name == NULL ? -1 : 0; indirect_call: tok = strchr(endptr, '*'); if (tok == NULL) return -1; - ops->target = strtoull(tok + 1, NULL, 16); + ops->target.addr = strtoull(tok + 1, NULL, 16); return 0; } @@ -55,10 +55,10 @@ static int call__scnprintf(struct ins *ins, char *bf, size_t size, if (addrs) return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); - if (ops->target_name) - return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target_name); + if (ops->target.name) + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); - return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target); + return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); } static struct ins_ops call_ops = { @@ -78,7 +78,7 @@ static int jump__parse(struct ins_operands *ops) if (s++ == NULL) return -1; - ops->target = strtoll(s, NULL, 16); + ops->target.offset = strtoll(s, NULL, 16); return 0; } @@ -88,7 +88,7 @@ static int jump__scnprintf(struct ins *ins, char *bf, size_t size, if (addrs) return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); - return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target); + return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); } static struct ins_ops jump_ops = { @@ -289,7 +289,7 @@ void disasm_line__free(struct disasm_line *dl) { free(dl->line); free(dl->name); - free(dl->ops.target_name); + free(dl->ops.target.name); free(dl); } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 8a8af0d82b07..2b9e3e038a84 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -11,8 +11,11 @@ struct ins; struct ins_operands { char *raw; - char *target_name; - u64 target; + struct { + char *name; + u64 offset; + u64 addr; + } target; }; struct ins_ops { -- cgit v1.2.3-59-g8ed1b From fb29fa58e36df09c807d252247d64a221fcd5bbb Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 25 Apr 2012 14:16:03 -0300 Subject: perf annotate: Mark jump instructions with no offset I.e. jumps that go to code outside the current function, that is denoted in objdump -dS as: 399f877a9f: jne 399f87bcf4 <_L_lock_5154> I.e. without the + after the name of the current function, like in: 399f877aa5: jmp 399f877ab2 <_int_free+0x412> The browser will use that info to avoid drawing connectors to the start of the function, since ops.target.addr was zero. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-xrn35g2mlawz1ydo1p73w3q6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 9 ++++++--- tools/perf/util/annotate.h | 6 ++++++ 2 files changed, 12 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index e1e7d0eb6145..5eb34123f55b 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -75,10 +75,13 @@ static int jump__parse(struct ins_operands *ops) { const char *s = strchr(ops->raw, '+'); - if (s++ == NULL) - return -1; + ops->target.addr = strtoll(ops->raw, NULL, 16); + + if (s++ != NULL) + ops->target.offset = strtoll(s, NULL, 16); + else + ops->target.offset = UINT64_MAX; - ops->target.offset = strtoll(s, NULL, 16); return 0; } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 2b9e3e038a84..13a21f10dabb 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -2,6 +2,7 @@ #define __PERF_ANNOTATE_H #include +#include #include "types.h" #include "symbol.h" #include @@ -41,6 +42,11 @@ struct disasm_line { struct ins_operands ops; }; +static inline bool disasm_line__has_offset(const struct disasm_line *dl) +{ + return dl->ops.target.offset != UINT64_MAX; +} + void disasm_line__free(struct disasm_line *dl); struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); size_t disasm__fprintf(struct list_head *head, FILE *fp); -- cgit v1.2.3-59-g8ed1b From 38b31bd0cefbb0e69a182d9a94b09a7e648549dc Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 25 Apr 2012 14:18:42 -0300 Subject: perf annotate browser: Don't draw jump connectors for out of function jumps As described in the previous patch. Next step is to properly label those jumps by using a -> arrow, i.e. not backwards/forwards, and allow the user to navigate to this other function when enter or -> is pressed. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-ax2sss463eu88wgl9ee8a6b6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 73e1ef0081d4..077380baa1c0 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -153,7 +153,8 @@ static void annotate_browser__draw_current_loop(struct ui_browser *browser) unsigned int from, to, start_width = 2; list_for_each_entry_from(pos, ¬es->src->source, node) { - if (!pos->ins || !ins__is_jump(pos->ins)) + if (!pos->ins || !ins__is_jump(pos->ins) || + !disasm_line__has_offset(pos)) continue; target = ab->offsets[pos->ops.target.offset]; @@ -689,7 +690,8 @@ static void annotate_browser__mark_jump_targets(struct annotate_browser *browser struct disasm_line *dl = browser->offsets[offset], *dlt; struct browser_disasm_line *bdlt; - if (!dl || !dl->ins || !ins__is_jump(dl->ins)) + if (!dl || !dl->ins || !ins__is_jump(dl->ins) || + !disasm_line__has_offset(dl)) continue; if (dl->ops.target.offset >= size) { -- cgit v1.2.3-59-g8ed1b From 88298f5a52dad53a7a9433470925fa90702bb486 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 27 Apr 2012 15:10:54 -0300 Subject: perf annotate browser: Add a right arrow before call instructions The counterpart of 'ret' instructions. Suggested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-jlz2ldaquaow0rqi2vr4b91l@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 077380baa1c0..4778172683ba 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -117,6 +117,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__write_graph(self, fwd ? SLSMG_DARROW_CHAR : SLSMG_UARROW_CHAR); SLsmg_write_char(' '); + } else if (ins__is_call(dl->ins)) { + ui_browser__write_graph(self, SLSMG_RARROW_CHAR); + SLsmg_write_char(' '); } else { slsmg_write_nstring(" ", 2); } -- cgit v1.2.3-59-g8ed1b From 944e1abed9e1c04e410ddfee849529eedd3e534a Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 27 Apr 2012 16:27:52 -0300 Subject: perf ui browser: Add method to draw up/down arrow line It figures out the direction and draws downwards arrows too if that is the case. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-tg329nr7q4dg9d0tl3o0wywg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browser.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++-- tools/perf/ui/browser.h | 4 ++-- 2 files changed, 54 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 32ac1165100d..f4b2530ae1d3 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -600,8 +600,9 @@ void ui_browser__write_graph(struct ui_browser *browser __used, int graph) SLsmg_set_char_set(0); } -void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width) +static void __ui_browser__line_arrow_up(struct ui_browser *browser, + unsigned int column, + u64 start, u64 end, int start_width) { unsigned int row, end_row; @@ -639,6 +640,55 @@ out: SLsmg_set_char_set(0); } +static void __ui_browser__line_arrow_down(struct ui_browser *browser, + unsigned int column, + u64 start, u64 end, int start_width) +{ + unsigned int row, end_row; + + SLsmg_set_char_set(1); + + if (start >= browser->top_idx) { + row = start - browser->top_idx; + ui_browser__gotorc(browser, row, column); + SLsmg_write_char(SLSMG_ULCORN_CHAR); + ui_browser__gotorc(browser, row, column + 1); + SLsmg_draw_hline(start_width); + + if (row++ == 0) + goto out; + } else + row = 0; + + if (end >= browser->top_idx + browser->height) + end_row = browser->height - 1; + else + end_row = end - browser->top_idx;; + + ui_browser__gotorc(browser, row, column); + SLsmg_draw_vline(end_row - row + 1); + + ui_browser__gotorc(browser, end_row, column); + if (end < browser->top_idx + browser->height) { + SLsmg_write_char(SLSMG_LLCORN_CHAR); + ui_browser__gotorc(browser, end_row, column + 1); + SLsmg_write_char(SLSMG_HLINE_CHAR); + ui_browser__gotorc(browser, end_row, column + 2); + SLsmg_write_char(SLSMG_RARROW_CHAR); + } +out: + SLsmg_set_char_set(0); +} + +void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, + u64 start, u64 end, int start_width) +{ + if (start > end) + __ui_browser__line_arrow_up(browser, column, start, end, start_width); + else + __ui_browser__line_arrow_down(browser, column, start, end, start_width); +} + void ui_browser__init(void) { int i = 0; diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 2f226cb79f6a..059764b29b2d 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -38,8 +38,8 @@ void ui_browser__reset_index(struct ui_browser *self); void ui_browser__gotorc(struct ui_browser *self, int y, int x); void ui_browser__write_graph(struct ui_browser *browser, int graph); -void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width); +void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, + u64 start, u64 end, int start_width); void __ui_browser__show_title(struct ui_browser *browser, const char *title); void ui_browser__show_title(struct ui_browser *browser, const char *title); int ui_browser__show(struct ui_browser *self, const char *title, -- cgit v1.2.3-59-g8ed1b From 9d1ef56d571671097f54a5ec31a9b1fb7dc819ed Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 27 Apr 2012 16:35:29 -0300 Subject: perf annotate browser: Show current jump, back or forward Instead of trying to show the current loop by naively looking for the next backward jump, just use 'j' to toggle showing arrows connecting jump with its target. And do it for forward jumps as well. Loop detection requires more code to follow the flow control, etc. Reported-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-soahcn1lz2u4wxj31ch0594j@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 50 ++++++++++++++++++--------------------- 1 file changed, 23 insertions(+), 27 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4778172683ba..d203dafedeae 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -30,6 +30,7 @@ struct annotate_browser { int nr_entries; bool hide_src_code; bool use_offset; + bool jump_arrows; bool searching_backwards; u8 offset_width; char search_bf[128]; @@ -144,56 +145,47 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ab->selection = dl; } -static void annotate_browser__draw_current_loop(struct ui_browser *browser) +static void annotate_browser__draw_current_jump(struct ui_browser *browser) { struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); - struct map_symbol *ms = browser->priv; - struct symbol *sym = ms->sym; - struct annotation *notes = symbol__annotation(sym); - struct disasm_line *cursor = ab->selection, *pos = cursor, *target; - struct browser_disasm_line *bcursor = disasm_line__browser(cursor), - *btarget, *bpos; + struct disasm_line *cursor = ab->selection, *target; + struct browser_disasm_line *btarget, *bcursor; unsigned int from, to, start_width = 2; - list_for_each_entry_from(pos, ¬es->src->source, node) { - if (!pos->ins || !ins__is_jump(pos->ins) || - !disasm_line__has_offset(pos)) - continue; - - target = ab->offsets[pos->ops.target.offset]; - if (!target) - continue; + if (!cursor->ins || !ins__is_jump(cursor->ins) || + !disasm_line__has_offset(cursor)) + return; - btarget = disasm_line__browser(target); - if (btarget->idx <= bcursor->idx) - goto found; - } + target = ab->offsets[cursor->ops.target.offset]; + if (!target) + return; - return; + bcursor = disasm_line__browser(cursor); + btarget = disasm_line__browser(target); -found: - bpos = disasm_line__browser(pos); if (ab->hide_src_code) { - from = bpos->idx_asm; + from = bcursor->idx_asm; to = btarget->idx_asm; } else { - from = (u64)bpos->idx; + from = (u64)bcursor->idx; to = (u64)btarget->idx; } ui_browser__set_color(browser, HE_COLORSET_CODE); - if (!bpos->jump_target) + if (!bcursor->jump_target) start_width += ab->offset_width + 1; - __ui_browser__line_arrow_up(browser, 10, from, to, start_width); + __ui_browser__line_arrow(browser, 10, from, to, start_width); } static unsigned int annotate_browser__refresh(struct ui_browser *browser) { + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); int ret = ui_browser__list_head_refresh(browser); - annotate_browser__draw_current_loop(browser); + if (ab->jump_arrows) + annotate_browser__draw_current_jump(browser); return ret; } @@ -628,6 +620,9 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, case 'o': self->use_offset = !self->use_offset; continue; + case 'j': + self->jump_arrows = !self->jump_arrows; + continue; case '/': if (annotate_browser__search(self, delay_secs)) { show_help: @@ -739,6 +734,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, .use_navkeypressed = true, }, .use_offset = true, + .jump_arrows = true, }; int ret = -1; -- cgit v1.2.3-59-g8ed1b From 3e8b5ddf17d4639d41bc57ecfb51633815b70e49 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 27 Apr 2012 16:44:56 -0300 Subject: perf annotate browser: Remove the vertical line after the percentages It is confusing when used with jump -> target lines. Requested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-xeiyfsxptwtmlvowledg6wpy@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index d203dafedeae..a90680b79bb7 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -72,7 +72,6 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro slsmg_write_nstring(" ", 9); } - ui_browser__write_graph(self, SLSMG_VLINE_CHAR); SLsmg_write_char(' '); /* The scroll bar isn't being used */ @@ -83,9 +82,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__set_color(self, HE_COLORSET_CODE); if (!*dl->line) - slsmg_write_nstring(" ", width - 10); + slsmg_write_nstring(" ", width - 9); else if (dl->offset == -1) - slsmg_write_nstring(dl->line, width - 10); + slsmg_write_nstring(dl->line, width - 9); else { char bf[256]; u64 addr = dl->offset; @@ -138,7 +137,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro scnprintf(bf, sizeof(bf), "%-6.6s %s", dl->name, dl->ops.raw); } - slsmg_write_nstring(bf, width - 12 - printed); + slsmg_write_nstring(bf, width - 11 - printed); } if (current_entry) @@ -176,7 +175,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) if (!bcursor->jump_target) start_width += ab->offset_width + 1; - __ui_browser__line_arrow(browser, 10, from, to, start_width); + __ui_browser__line_arrow(browser, 9, from, to, start_width); } static unsigned int annotate_browser__refresh(struct ui_browser *browser) -- cgit v1.2.3-59-g8ed1b From 0822cc80d9aee026b1ebe43c02dc01e0a0227864 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 27 Apr 2012 17:13:53 -0300 Subject: perf annotate browser: Don't display 0.00 percentages Cleaning up more the output. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-81pimnsnaa9y2j0a9plstu1c@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index a90680b79bb7..44fb6a447d00 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -64,12 +64,12 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro !self->navkeypressed))); int width = self->width; - if (dl->offset != -1) { + if (dl->offset != -1 && bdl->percent != 0.0) { ui_browser__set_percent_color(self, bdl->percent, current_entry); - slsmg_printf(" %7.2f ", bdl->percent); + slsmg_printf("%6.2f ", bdl->percent); } else { ui_browser__set_percent_color(self, 0, current_entry); - slsmg_write_nstring(" ", 9); + slsmg_write_nstring(" ", 7); } SLsmg_write_char(' '); @@ -82,9 +82,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__set_color(self, HE_COLORSET_CODE); if (!*dl->line) - slsmg_write_nstring(" ", width - 9); + slsmg_write_nstring(" ", width - 7); else if (dl->offset == -1) - slsmg_write_nstring(dl->line, width - 9); + slsmg_write_nstring(dl->line, width - 7); else { char bf[256]; u64 addr = dl->offset; @@ -137,7 +137,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro scnprintf(bf, sizeof(bf), "%-6.6s %s", dl->name, dl->ops.raw); } - slsmg_write_nstring(bf, width - 11 - printed); + slsmg_write_nstring(bf, width - 9 - printed); } if (current_entry) @@ -175,7 +175,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) if (!bcursor->jump_target) start_width += ab->offset_width + 1; - __ui_browser__line_arrow(browser, 9, from, to, start_width); + __ui_browser__line_arrow(browser, 7, from, to, start_width); } static unsigned int annotate_browser__refresh(struct ui_browser *browser) -- cgit v1.2.3-59-g8ed1b From 23080e4cd224013c06444e7850fe0bcb55c129ff Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 26 Apr 2012 16:22:09 -0300 Subject: perf test: Make the rdpmc test honour 'verbose' mode It was unconditionally printing debug stuff when in non -v mode we should just print the name and result of the test. Now: [root@sandy ~]# perf test rdpmc 6: x86 rdpmc test: Ok [root@sandy ~]# perf test -v rdpmc 6: x86 rdpmc test: --- start --- 0: 6030 1: 60030 2: 600050 3: 6000056 4: 60000070 5: 600000266 ---- end ---- x86 rdpmc test: Ok [root@sandy ~]# Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-0tjedaozsy9oarq30nvzg74b@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-test.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 1c5b9801ac61..5502a4a2a4f6 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -1549,8 +1549,6 @@ static int __test__rdpmc(void) sa.sa_sigaction = segfault_handler; sigaction(SIGSEGV, &sa, NULL); - fprintf(stderr, "\n\n"); - fd = sys_perf_event_open(&attr, 0, -1, -1, 0); if (fd < 0) { die("Error: sys_perf_event_open() syscall returned " @@ -1575,7 +1573,7 @@ static int __test__rdpmc(void) loops *= 10; delta = now - stamp; - fprintf(stderr, "%14d: %14Lu\n", n, (long long)delta); + pr_debug("%14d: %14Lu\n", n, (long long)delta); delta_sum += delta; } @@ -1583,7 +1581,7 @@ static int __test__rdpmc(void) munmap(addr, page_size); close(fd); - fprintf(stderr, " "); + pr_debug(" "); if (!delta_sum) return -1; -- cgit v1.2.3-59-g8ed1b From c651214e90e5c150015f7524a6bfc298ad61435f Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Thu, 5 Apr 2012 18:26:25 +0200 Subject: perf tools: Fix include header files in util/parse-events.h MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Include header fixes for ... bool: util/parse-events.h:31: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘have_tracepoints’ ... and types.h: util/parse-events.h:28: error: expected ‘)’ before ‘config’ util/parse-events.h:34: error: expected declaration specifiers or ‘...’ before ‘u64’ util/parse-events.h:45: error: expected ‘)’ before ‘type’ This happens if now other include files are included before util/parse-events.h. Signed-off-by: Robert Richter Cc: Ingo Molnar Link: http://lkml.kernel.org/r/1333643188-26895-2-git-send-email-robert.richter@amd.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/parse-events.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index ca069f893381..5cb002894a17 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -4,7 +4,9 @@ * Parse symbolic events/counts passed in as options: */ +#include #include "../../../include/linux/perf_event.h" +#include "types.h" struct list_head; struct perf_evsel; -- cgit v1.2.3-59-g8ed1b From bea0340582dc47b447a014f5bf9f460925afdaf4 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:15 +0900 Subject: perf tools: Introduce struct perf_target The perf_target struct will be used for taking care of cpu/thread maps based on user's input. Since it is used on various subcommands it'd better factoring it out. Thanks to Arnaldo for suggesting the better name. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-2-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 41 ++++++++++++++++++++++------------------- tools/perf/builtin-test.c | 5 +++-- tools/perf/perf.h | 15 ++++++++++----- tools/perf/util/evlist.c | 2 +- tools/perf/util/evsel.c | 10 +++++----- 5 files changed, 41 insertions(+), 32 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 10b1f1f25ed7..4dcf27057bd2 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -44,7 +44,6 @@ struct perf_record { struct perf_evlist *evlist; struct perf_session *session; const char *progname; - const char *uid_str; int output; unsigned int page_size; int realtime_prio; @@ -218,7 +217,7 @@ try_again: if (err == EPERM || err == EACCES) { ui__error_paranoid(); exit(EXIT_FAILURE); - } else if (err == ENODEV && opts->cpu_list) { + } else if (err == ENODEV && opts->target.cpu_list) { die("No such device - did you specify" " an out-of-range profile CPU?\n"); } else if (err == EINVAL) { @@ -578,7 +577,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) perf_session__process_machines(session, tool, perf_event__synthesize_guest_os); - if (!opts->system_wide) + if (!opts->target.system_wide) perf_event__synthesize_thread_map(tool, evsel_list->threads, process_synthesized_event, machine); @@ -765,9 +764,9 @@ const struct option record_options[] = { parse_events_option), OPT_CALLBACK(0, "filter", &record.evlist, "filter", "event filter", parse_filter), - OPT_STRING('p', "pid", &record.opts.target_pid, "pid", + OPT_STRING('p', "pid", &record.opts.target.pid, "pid", "record events on existing process id"), - OPT_STRING('t', "tid", &record.opts.target_tid, "tid", + OPT_STRING('t', "tid", &record.opts.target.tid, "tid", "record events on existing thread id"), OPT_INTEGER('r', "realtime", &record.realtime_prio, "collect data with this RT SCHED_FIFO priority"), @@ -775,11 +774,11 @@ const struct option record_options[] = { "collect data without buffering"), OPT_BOOLEAN('R', "raw-samples", &record.opts.raw_samples, "collect raw sample records from all opened counters"), - OPT_BOOLEAN('a', "all-cpus", &record.opts.system_wide, + OPT_BOOLEAN('a', "all-cpus", &record.opts.target.system_wide, "system-wide collection from all CPUs"), OPT_BOOLEAN('A', "append", &record.append_file, "append to the output file to do incremental profiling"), - OPT_STRING('C', "cpu", &record.opts.cpu_list, "cpu", + OPT_STRING('C', "cpu", &record.opts.target.cpu_list, "cpu", "list of cpus to monitor"), OPT_BOOLEAN('f', "force", &record.force, "overwrite existing data file (deprecated)"), @@ -813,7 +812,8 @@ const struct option record_options[] = { OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), - OPT_STRING('u', "uid", &record.uid_str, "user", "user to profile"), + OPT_STRING('u', "uid", &record.opts.target.uid_str, "user", + "user to profile"), OPT_CALLBACK_NOOPT('b', "branch-any", &record.opts.branch_stack, "branch any", "sample any taken branches", @@ -842,8 +842,9 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && !rec->opts.target_pid && !rec->opts.target_tid && - !rec->opts.system_wide && !rec->opts.cpu_list && !rec->uid_str) + if (!argc && !rec->opts.target.pid && !rec->opts.target.tid && + !rec->opts.target.system_wide && !rec->opts.target.cpu_list && + !rec->opts.target.uid_str) usage_with_options(record_usage, record_options); if (rec->force && rec->append_file) { @@ -856,7 +857,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) rec->write_mode = WRITE_FORCE; } - if (nr_cgroups && !rec->opts.system_wide) { + if (nr_cgroups && !rec->opts.target.system_wide) { fprintf(stderr, "cgroup monitoring only available in" " system-wide mode\n"); usage_with_options(record_usage, record_options); @@ -883,17 +884,19 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) goto out_symbol_exit; } - rec->opts.uid = parse_target_uid(rec->uid_str, rec->opts.target_tid, - rec->opts.target_pid); - if (rec->uid_str != NULL && rec->opts.uid == UINT_MAX - 1) + rec->opts.target.uid = parse_target_uid(rec->opts.target.uid_str, + rec->opts.target.tid, + rec->opts.target.pid); + if (rec->opts.target.uid_str != NULL && + rec->opts.target.uid == UINT_MAX - 1) goto out_free_fd; - if (rec->opts.target_pid) - rec->opts.target_tid = rec->opts.target_pid; + if (rec->opts.target.pid) + rec->opts.target.tid = rec->opts.target.pid; - if (perf_evlist__create_maps(evsel_list, rec->opts.target_pid, - rec->opts.target_tid, rec->opts.uid, - rec->opts.cpu_list) < 0) + if (perf_evlist__create_maps(evsel_list, rec->opts.target.pid, + rec->opts.target.tid, rec->opts.target.uid, + rec->opts.target.cpu_list) < 0) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 5502a4a2a4f6..27882d86e9ab 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -1207,8 +1207,9 @@ static int test__PERF_RECORD(void) * perf_evlist__prepare_workload we'll fill in the only thread * we're monitoring, the one forked there. */ - err = perf_evlist__create_maps(evlist, opts.target_pid, - opts.target_tid, UINT_MAX, opts.cpu_list); + err = perf_evlist__create_maps(evlist, opts.target.pid, + opts.target.tid, UINT_MAX, + opts.target.cpu_list); if (err < 0) { pr_debug("Not enough memory to create thread/cpu maps\n"); goto out_delete_evlist; diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 89e3355ab173..7e226c0e0e31 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -207,10 +207,17 @@ extern const char perf_version_string[]; void pthread__unblock_sigwinch(void); -struct perf_record_opts { - const char *target_pid; - const char *target_tid; +struct perf_target { + const char *pid; + const char *tid; + const char *cpu_list; + const char *uid_str; uid_t uid; + bool system_wide; +}; + +struct perf_record_opts { + struct perf_target target; bool call_graph; bool group; bool inherit_stat; @@ -223,7 +230,6 @@ struct perf_record_opts { bool sample_time; bool sample_id_all_missing; bool exclude_guest_missing; - bool system_wide; bool period; unsigned int freq; unsigned int mmap_pages; @@ -231,7 +237,6 @@ struct perf_record_opts { int branch_stack; u64 default_interval; u64 user_interval; - const char *cpu_list; }; #endif diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 1986d8051bd1..7080901a2717 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -827,7 +827,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, exit(-1); } - if (!opts->system_wide && !opts->target_tid && !opts->target_pid) + if (!opts->target.system_wide && !opts->target.tid && !opts->target.pid) evlist->threads->map[0] = evlist->workload.pid; close(child_ready_pipe[1]); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8c13dbcb84b9..d90598edcf1d 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -106,15 +106,15 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, if (opts->call_graph) attr->sample_type |= PERF_SAMPLE_CALLCHAIN; - if (opts->system_wide) + if (opts->target.system_wide) attr->sample_type |= PERF_SAMPLE_CPU; if (opts->period) attr->sample_type |= PERF_SAMPLE_PERIOD; if (!opts->sample_id_all_missing && - (opts->sample_time || opts->system_wide || - !opts->no_inherit || opts->cpu_list)) + (opts->sample_time || opts->target.system_wide || + !opts->no_inherit || opts->target.cpu_list)) attr->sample_type |= PERF_SAMPLE_TIME; if (opts->raw_samples) { @@ -135,8 +135,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (!opts->target_pid && !opts->target_tid && !opts->system_wide && - (!opts->group || evsel == first)) { + if (!opts->target.pid && !opts->target.tid && + !opts->target.system_wide && (!opts->group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } -- cgit v1.2.3-59-g8ed1b From 20f946b4a49dfd89c1c4ddeb55c0632893332674 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:16 +0900 Subject: perf stat: Convert to struct perf_target Use struct perf_target as it is introduced by previous patch. This is a preparation of further changes. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-3-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-stat.c | 47 ++++++++++++++++++++++------------------------- 1 file changed, 22 insertions(+), 25 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index dde9e17c018b..1ca767d906ef 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -175,22 +175,19 @@ static struct perf_event_attr very_very_detailed_attrs[] = { static struct perf_evlist *evsel_list; -static bool system_wide = false; -static int run_idx = 0; +static struct perf_target target; +static int run_idx = 0; static int run_count = 1; static bool no_inherit = false; static bool scale = true; static bool no_aggr = false; -static const char *target_pid; -static const char *target_tid; static pid_t child_pid = -1; static bool null_run = false; static int detailed_run = 0; static bool sync_run = false; static bool big_num = true; static int big_num_opt = -1; -static const char *cpu_list; static const char *csv_sep = NULL; static bool csv_output = false; static bool group = false; @@ -293,10 +290,10 @@ static int create_perf_stat_counter(struct perf_evsel *evsel, attr->inherit = !no_inherit; - if (system_wide) + if (target.system_wide) return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group, group_fd); - if (!target_pid && !target_tid && (!group || evsel == first)) { + if (!target.pid && !target.tid && (!group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -446,7 +443,7 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } - if (!target_tid && !target_pid && !system_wide) + if (!target.tid && !target.pid && !target.system_wide) evsel_list->threads->map[0] = child_pid; /* @@ -476,7 +473,7 @@ static int run_perf_stat(int argc __used, const char **argv) error("You may not have permission to collect %sstats.\n" "\t Consider tweaking" " /proc/sys/kernel/perf_event_paranoid or running as root.", - system_wide ? "system-wide " : ""); + target.system_wide ? "system-wide " : ""); } else { error("open_counter returned with %d (%s). " "/bin/dmesg may provide additional information.\n", @@ -968,14 +965,14 @@ static void print_stat(int argc, const char **argv) if (!csv_output) { fprintf(output, "\n"); fprintf(output, " Performance counter stats for "); - if (!target_pid && !target_tid) { + if (!target.pid && !target.tid) { fprintf(output, "\'%s", argv[0]); for (i = 1; i < argc; i++) fprintf(output, " %s", argv[i]); - } else if (target_pid) - fprintf(output, "process id \'%s", target_pid); + } else if (target.pid) + fprintf(output, "process id \'%s", target.pid); else - fprintf(output, "thread id \'%s", target_tid); + fprintf(output, "thread id \'%s", target.tid); fprintf(output, "\'"); if (run_count > 1) @@ -1049,11 +1046,11 @@ static const struct option options[] = { "event filter", parse_filter), OPT_BOOLEAN('i', "no-inherit", &no_inherit, "child tasks do not inherit counters"), - OPT_STRING('p', "pid", &target_pid, "pid", + OPT_STRING('p', "pid", &target.pid, "pid", "stat events on existing process id"), - OPT_STRING('t', "tid", &target_tid, "tid", + OPT_STRING('t', "tid", &target.tid, "tid", "stat events on existing thread id"), - OPT_BOOLEAN('a', "all-cpus", &system_wide, + OPT_BOOLEAN('a', "all-cpus", &target.system_wide, "system-wide collection from all CPUs"), OPT_BOOLEAN('g', "group", &group, "put the counters into a counter group"), @@ -1072,7 +1069,7 @@ static const struct option options[] = { OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, "print large numbers with thousands\' separators", stat__set_big_num), - OPT_STRING('C', "cpu", &cpu_list, "cpu", + OPT_STRING('C', "cpu", &target.cpu_list, "cpu", "list of cpus to monitor in system-wide"), OPT_BOOLEAN('A', "no-aggr", &no_aggr, "disable CPU count aggregation"), @@ -1190,13 +1187,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) } else if (big_num_opt == 0) /* User passed --no-big-num */ big_num = false; - if (!argc && !target_pid && !target_tid) + if (!argc && !target.pid && !target.tid) usage_with_options(stat_usage, options); if (run_count <= 0) usage_with_options(stat_usage, options); /* no_aggr, cgroup are for system-wide only */ - if ((no_aggr || nr_cgroups) && !system_wide) { + if ((no_aggr || nr_cgroups) && !target.system_wide) { fprintf(stderr, "both cgroup and no-aggregation " "modes only available in system-wide mode\n"); @@ -1206,18 +1203,18 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) if (add_default_attributes()) goto out; - if (target_pid) - target_tid = target_pid; + if (target.pid) + target.tid = target.pid; - evsel_list->threads = thread_map__new_str(target_pid, - target_tid, UINT_MAX); + evsel_list->threads = thread_map__new_str(target.pid, + target.tid, UINT_MAX); if (evsel_list->threads == NULL) { pr_err("Problems finding threads of monitor\n"); usage_with_options(stat_usage, options); } - if (system_wide) - evsel_list->cpus = cpu_map__new(cpu_list); + if (target.system_wide) + evsel_list->cpus = cpu_map__new(target.cpu_list); else evsel_list->cpus = cpu_map__dummy_new(); -- cgit v1.2.3-59-g8ed1b From fe9d18a71d2018f8021fd2bd2aaf5137954ef839 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:17 +0900 Subject: perf top: Convert to struct perf_target Use struct perf_target as it is introduced by previous patch. This is a preparation of further changes. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-4-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 33 +++++++++++++++++---------------- tools/perf/util/top.c | 19 ++++++++++--------- tools/perf/util/top.h | 6 +----- 3 files changed, 28 insertions(+), 30 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 8ef59f8262bb..2c1c207627b4 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -588,7 +588,7 @@ static void *display_thread_tui(void *arg) * via --uid. */ list_for_each_entry(pos, &top->evlist->entries, node) - pos->hists.uid_filter_str = top->uid_str; + pos->hists.uid_filter_str = top->target.uid_str; perf_evlist__tui_browse_hists(top->evlist, help, perf_top__sort_new_samples, @@ -1016,7 +1016,7 @@ static int __cmd_top(struct perf_top *top) if (ret) goto out_delete; - if (top->target_tid || top->uid != UINT_MAX) + if (top->target.tid || top->target.uid != UINT_MAX) perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, perf_event__process, &top->session->host_machine); @@ -1154,7 +1154,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) struct perf_top top = { .count_filter = 5, .delay_secs = 2, - .uid = UINT_MAX, .freq = 1000, /* 1 KHz */ .mmap_pages = 128, .sym_pcnt_filter = 5, @@ -1166,13 +1165,13 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) parse_events_option), OPT_INTEGER('c', "count", &top.default_interval, "event period to sample"), - OPT_STRING('p', "pid", &top.target_pid, "pid", + OPT_STRING('p', "pid", &top.target.pid, "pid", "profile events on existing process id"), - OPT_STRING('t', "tid", &top.target_tid, "tid", + OPT_STRING('t', "tid", &top.target.tid, "tid", "profile events on existing thread id"), - OPT_BOOLEAN('a', "all-cpus", &top.system_wide, + OPT_BOOLEAN('a', "all-cpus", &top.target.system_wide, "system-wide collection from all CPUs"), - OPT_STRING('C', "cpu", &top.cpu_list, "cpu", + OPT_STRING('C', "cpu", &top.target.cpu_list, "cpu", "list of cpus to monitor"), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), @@ -1227,7 +1226,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) "Display raw encoding of assembly instructions (default)"), OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), - OPT_STRING('u', "uid", &top.uid_str, "user", "user to profile"), + OPT_STRING('u', "uid", &top.target.uid_str, "user", "user to profile"), OPT_END() }; @@ -1253,22 +1252,24 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) setup_browser(false); - top.uid = parse_target_uid(top.uid_str, top.target_tid, top.target_pid); - if (top.uid_str != NULL && top.uid == UINT_MAX - 1) + top.target.uid = parse_target_uid(top.target.uid_str, top.target.tid, + top.target.pid); + if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1) goto out_delete_evlist; /* CPU and PID are mutually exclusive */ - if (top.target_tid && top.cpu_list) { + if (top.target.tid && top.target.cpu_list) { printf("WARNING: PID switch overriding CPU\n"); sleep(1); - top.cpu_list = NULL; + top.target.cpu_list = NULL; } - if (top.target_pid) - top.target_tid = top.target_pid; + if (top.target.pid) + top.target.tid = top.target.pid; - if (perf_evlist__create_maps(top.evlist, top.target_pid, - top.target_tid, top.uid, top.cpu_list) < 0) + if (perf_evlist__create_maps(top.evlist, top.target.pid, + top.target.tid, top.target.uid, + top.target.cpu_list) < 0) usage_with_options(top_usage, options); if (!top.evlist->nr_entries && diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c index 09fe579ccafb..abe0e8e95068 100644 --- a/tools/perf/util/top.c +++ b/tools/perf/util/top.c @@ -69,23 +69,24 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) ret += SNPRINTF(bf + ret, size - ret, "], "); - if (top->target_pid) + if (top->target.pid) ret += SNPRINTF(bf + ret, size - ret, " (target_pid: %s", - top->target_pid); - else if (top->target_tid) + top->target.pid); + else if (top->target.tid) ret += SNPRINTF(bf + ret, size - ret, " (target_tid: %s", - top->target_tid); - else if (top->uid_str != NULL) + top->target.tid); + else if (top->target.uid_str != NULL) ret += SNPRINTF(bf + ret, size - ret, " (uid: %s", - top->uid_str); + top->target.uid_str); else ret += SNPRINTF(bf + ret, size - ret, " (all"); - if (top->cpu_list) + if (top->target.cpu_list) ret += SNPRINTF(bf + ret, size - ret, ", CPU%s: %s)", - top->evlist->cpus->nr > 1 ? "s" : "", top->cpu_list); + top->evlist->cpus->nr > 1 ? "s" : "", + top->target.cpu_list); else { - if (top->target_tid) + if (top->target.tid) ret += SNPRINTF(bf + ret, size - ret, ")"); else ret += SNPRINTF(bf + ret, size - ret, ", %d CPU%s)", diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h index ce61cb2d1acf..33347ca89ee4 100644 --- a/tools/perf/util/top.h +++ b/tools/perf/util/top.h @@ -13,6 +13,7 @@ struct perf_session; struct perf_top { struct perf_tool tool; struct perf_evlist *evlist; + struct perf_target target; /* * Symbols will be added here in perf_event__process_sample and will * get out after decayed. @@ -23,10 +24,7 @@ struct perf_top { u64 guest_us_samples, guest_kernel_samples; int print_entries, count_filter, delay_secs; int freq; - const char *target_pid, *target_tid; - uid_t uid; bool hide_kernel_symbols, hide_user_symbols, zero; - bool system_wide; bool use_tui, use_stdio; bool sort_has_symbols; bool dont_use_callchains; @@ -37,7 +35,6 @@ struct perf_top { bool sample_id_all_missing; bool exclude_guest_missing; bool dump_symtab; - const char *cpu_list; struct hist_entry *sym_filter_entry; struct perf_evsel *sym_evsel; struct perf_session *session; @@ -47,7 +44,6 @@ struct perf_top { int realtime_prio; int sym_pcnt_filter; const char *sym_filter; - const char *uid_str; }; size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size); -- cgit v1.2.3-59-g8ed1b From 4bd0f2d2c0cf14de9c84c2fe689120c6b0f667c8 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:18 +0900 Subject: perf tools: Introduce perf_target__validate() helper The perf_target__validate function is used to check given PID/TID/UID/CPU target options and warn if some combination is impossible. Also this can make some arguments of parse_target_uid() function useless as it is checked before the call via our new helper. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-5-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 9 +++------ tools/perf/builtin-stat.c | 3 +-- tools/perf/builtin-top.c | 15 +++------------ tools/perf/util/usage.c | 29 +++++++++++++++++++++-------- tools/perf/util/util.h | 4 +++- 5 files changed, 31 insertions(+), 29 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4dcf27057bd2..3596ccab6d3b 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -884,16 +884,13 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) goto out_symbol_exit; } - rec->opts.target.uid = parse_target_uid(rec->opts.target.uid_str, - rec->opts.target.tid, - rec->opts.target.pid); + perf_target__validate(&rec->opts.target); + + rec->opts.target.uid = parse_target_uid(rec->opts.target.uid_str); if (rec->opts.target.uid_str != NULL && rec->opts.target.uid == UINT_MAX - 1) goto out_free_fd; - if (rec->opts.target.pid) - rec->opts.target.tid = rec->opts.target.pid; - if (perf_evlist__create_maps(evsel_list, rec->opts.target.pid, rec->opts.target.tid, rec->opts.target.uid, rec->opts.target.cpu_list) < 0) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 1ca767d906ef..bb7723221c0d 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1203,8 +1203,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) if (add_default_attributes()) goto out; - if (target.pid) - target.tid = target.pid; + perf_target__validate(&target); evsel_list->threads = thread_map__new_str(target.pid, target.tid, UINT_MAX); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 2c1c207627b4..4f47952eddbd 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1252,21 +1252,12 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) setup_browser(false); - top.target.uid = parse_target_uid(top.target.uid_str, top.target.tid, - top.target.pid); + perf_target__validate(&top.target); + + top.target.uid = parse_target_uid(top.target.uid_str); if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1) goto out_delete_evlist; - /* CPU and PID are mutually exclusive */ - if (top.target.tid && top.target.cpu_list) { - printf("WARNING: PID switch overriding CPU\n"); - sleep(1); - top.target.cpu_list = NULL; - } - - if (top.target.pid) - top.target.tid = top.target.pid; - if (perf_evlist__create_maps(top.evlist, top.target.pid, top.target.tid, top.target.uid, top.target.cpu_list) < 0) diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index 52bb07c6442a..0a1a885a5914 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -83,7 +83,7 @@ void warning(const char *warn, ...) va_end(params); } -uid_t parse_target_uid(const char *str, const char *tid, const char *pid) +uid_t parse_target_uid(const char *str) { struct passwd pwd, *result; char buf[1024]; @@ -91,13 +91,6 @@ uid_t parse_target_uid(const char *str, const char *tid, const char *pid) if (str == NULL) return UINT_MAX; - /* UID and PID are mutually exclusive */ - if (tid || pid) { - ui__warning("PID/TID switch overriding UID\n"); - sleep(1); - return UINT_MAX; - } - getpwnam_r(str, &pwd, buf, sizeof(buf), &result); if (result == NULL) { @@ -120,3 +113,23 @@ uid_t parse_target_uid(const char *str, const char *tid, const char *pid) return result->pw_uid; } + +void perf_target__validate(struct perf_target *target) +{ + if (target->pid) + target->tid = target->pid; + + /* CPU and PID are mutually exclusive */ + if (target->tid && target->cpu_list) { + ui__warning("WARNING: PID switch overriding CPU\n"); + sleep(1); + target->cpu_list = NULL; + } + + /* UID and PID are mutually exclusive */ + if (target->tid && target->uid_str) { + ui__warning("PID/TID switch overriding UID\n"); + sleep(1); + target->uid_str = NULL; + } +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 0f99f394d8e0..3f05d6264dab 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -246,10 +246,12 @@ unsigned long convert_unit(unsigned long value, char *unit); int readn(int fd, void *buf, size_t size); struct perf_event_attr; +struct perf_target; void event_attr_init(struct perf_event_attr *attr); -uid_t parse_target_uid(const char *str, const char *tid, const char *pid); +uid_t parse_target_uid(const char *str); +void perf_target__validate(struct perf_target *target); #define _STR(x) #x #define STR(x) _STR(x) -- cgit v1.2.3-59-g8ed1b From b809ac100e2f12ebf1b58ff522dba15651a77d27 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:19 +0900 Subject: perf evlist: Make create_maps() take struct perf_target Now we have all information that needed to create cpu/thread maps in struct perf_target, it'd be better using it as an argument. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-6-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 +--- tools/perf/builtin-test.c | 7 ++++--- tools/perf/builtin-top.c | 4 +--- tools/perf/util/evlist.c | 12 +++++++----- tools/perf/util/evlist.h | 4 ++-- 5 files changed, 15 insertions(+), 16 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 3596ccab6d3b..d16590942cec 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -891,9 +891,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) rec->opts.target.uid == UINT_MAX - 1) goto out_free_fd; - if (perf_evlist__create_maps(evsel_list, rec->opts.target.pid, - rec->opts.target.tid, rec->opts.target.uid, - rec->opts.target.cpu_list) < 0) + if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 27882d86e9ab..9d9abbbe23be 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -1165,6 +1165,9 @@ realloc: static int test__PERF_RECORD(void) { struct perf_record_opts opts = { + .target = { + .uid = UINT_MAX, + }, .no_delay = true, .freq = 10, .mmap_pages = 256, @@ -1207,9 +1210,7 @@ static int test__PERF_RECORD(void) * perf_evlist__prepare_workload we'll fill in the only thread * we're monitoring, the one forked there. */ - err = perf_evlist__create_maps(evlist, opts.target.pid, - opts.target.tid, UINT_MAX, - opts.target.cpu_list); + err = perf_evlist__create_maps(evlist, &opts.target); if (err < 0) { pr_debug("Not enough memory to create thread/cpu maps\n"); goto out_delete_evlist; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 4f47952eddbd..2a0ec09b9b77 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1258,9 +1258,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1) goto out_delete_evlist; - if (perf_evlist__create_maps(top.evlist, top.target.pid, - top.target.tid, top.target.uid, - top.target.cpu_list) < 0) + if (perf_evlist__create_maps(top.evlist, &top.target) < 0) usage_with_options(top_usage, options); if (!top.evlist->nr_entries && diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7080901a2717..a43e2c56d1c6 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -599,18 +599,20 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, return perf_evlist__mmap_per_cpu(evlist, prot, mask); } -int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, - const char *target_tid, uid_t uid, const char *cpu_list) +int perf_evlist__create_maps(struct perf_evlist *evlist, + struct perf_target *target) { - evlist->threads = thread_map__new_str(target_pid, target_tid, uid); + evlist->threads = thread_map__new_str(target->pid, target->tid, + target->uid); if (evlist->threads == NULL) return -1; - if (uid != UINT_MAX || (cpu_list == NULL && target_tid)) + if (target->uid != UINT_MAX || + (target->cpu_list == NULL && target->tid)) evlist->cpus = cpu_map__dummy_new(); else - evlist->cpus = cpu_map__new(cpu_list); + evlist->cpus = cpu_map__new(target->cpu_list); if (evlist->cpus == NULL) goto out_delete_threads; diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 21f1c9e57f13..58abb63ac13a 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -106,8 +106,8 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, evlist->threads = threads; } -int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, - const char *tid, uid_t uid, const char *cpu_list); +int perf_evlist__create_maps(struct perf_evlist *evlist, + struct perf_target *target); void perf_evlist__delete_maps(struct perf_evlist *evlist); int perf_evlist__set_filters(struct perf_evlist *evlist); -- cgit v1.2.3-59-g8ed1b From 770a34a38b74982724dbb099225944b415f90281 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:20 +0900 Subject: perf tools: Check more combinations of PID/TID, UID and CPU switches There were some combinations of these switches that are not so appropriate IMHO. Since there are implicit priorities between them and they worked well anyway, but it ends up opening useless duplicated events. For example, 'perf stat -t -a' will open multiple events for the thread instead of one. Add explicit checks and warn user in perf_target__validate(). Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-7-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/usage.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index 0a1a885a5914..228f0a558872 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -132,4 +132,18 @@ void perf_target__validate(struct perf_target *target) sleep(1); target->uid_str = NULL; } + + /* UID and CPU are mutually exclusive */ + if (target->uid_str && target->cpu_list) { + ui__warning("UID switch overriding CPU\n"); + sleep(1); + target->cpu_list = NULL; + } + + /* PID/UID and SYSTEM are mutually exclusive */ + if ((target->tid || target->uid_str) && target->system_wide) { + ui__warning("PID/TID/UID switch overriding CPU\n"); + sleep(1); + target->system_wide = false; + } } -- cgit v1.2.3-59-g8ed1b From 12864b31583bcbd26789ebe68c612688f9ee2e30 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 26 Apr 2012 14:15:22 +0900 Subject: perf target: Split out perf_target handling code For further work on perf_target, it'd be better off splitting the code into a separate file. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335417327-11796-9-git-send-email-namhyung.kim@lge.com [ committer note: Fixed perl build by using stdbool and types.h in target.h ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 2 ++ tools/perf/perf.h | 9 +-------- tools/perf/util/evlist.c | 1 + tools/perf/util/evsel.c | 1 + tools/perf/util/target.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/target.h | 18 ++++++++++++++++++ tools/perf/util/usage.c | 34 ---------------------------------- tools/perf/util/util.h | 2 -- 8 files changed, 68 insertions(+), 44 deletions(-) create mode 100644 tools/perf/util/target.c create mode 100644 tools/perf/util/target.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index e98e14c88532..4122a668952e 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -300,6 +300,7 @@ LIB_H += util/cpumap.h LIB_H += util/top.h LIB_H += $(ARCH_INCLUDE) LIB_H += util/cgroup.h +LIB_H += util/target.h LIB_OBJS += $(OUTPUT)util/abspath.o LIB_OBJS += $(OUTPUT)util/alias.o @@ -361,6 +362,7 @@ LIB_OBJS += $(OUTPUT)util/util.o LIB_OBJS += $(OUTPUT)util/xyarray.o LIB_OBJS += $(OUTPUT)util/cpumap.o LIB_OBJS += $(OUTPUT)util/cgroup.o +LIB_OBJS += $(OUTPUT)util/target.o BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 7e226c0e0e31..14f1034f14f9 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -207,14 +207,7 @@ extern const char perf_version_string[]; void pthread__unblock_sigwinch(void); -struct perf_target { - const char *pid; - const char *tid; - const char *cpu_list; - const char *uid_str; - uid_t uid; - bool system_wide; -}; +#include "util/target.h" struct perf_record_opts { struct perf_target target; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index a43e2c56d1c6..30328623cae6 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -11,6 +11,7 @@ #include #include "cpumap.h" #include "thread_map.h" +#include "target.h" #include "evlist.h" #include "evsel.h" #include diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index d90598edcf1d..bb785a098ced 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -14,6 +14,7 @@ #include "util.h" #include "cpumap.h" #include "thread_map.h" +#include "target.h" #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0)) diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c new file mode 100644 index 000000000000..3fadf85dd7e3 --- /dev/null +++ b/tools/perf/util/target.c @@ -0,0 +1,45 @@ +/* + * Helper functions for handling target threads/cpus + * + * Copyright (C) 2012, LG Electronics, Namhyung Kim + * + * Released under the GPL v2. + */ + +#include "target.h" +#include "debug.h" + + +void perf_target__validate(struct perf_target *target) +{ + if (target->pid) + target->tid = target->pid; + + /* CPU and PID are mutually exclusive */ + if (target->tid && target->cpu_list) { + ui__warning("WARNING: PID switch overriding CPU\n"); + sleep(1); + target->cpu_list = NULL; + } + + /* UID and PID are mutually exclusive */ + if (target->tid && target->uid_str) { + ui__warning("PID/TID switch overriding UID\n"); + sleep(1); + target->uid_str = NULL; + } + + /* UID and CPU are mutually exclusive */ + if (target->uid_str && target->cpu_list) { + ui__warning("UID switch overriding CPU\n"); + sleep(1); + target->cpu_list = NULL; + } + + /* PID/UID and SYSTEM are mutually exclusive */ + if ((target->tid || target->uid_str) && target->system_wide) { + ui__warning("PID/TID/UID switch overriding CPU\n"); + sleep(1); + target->system_wide = false; + } +} diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h new file mode 100644 index 000000000000..218291f921ed --- /dev/null +++ b/tools/perf/util/target.h @@ -0,0 +1,18 @@ +#ifndef _PERF_TARGET_H +#define _PERF_TARGET_H + +#include +#include + +struct perf_target { + const char *pid; + const char *tid; + const char *cpu_list; + const char *uid_str; + uid_t uid; + bool system_wide; +}; + +void perf_target__validate(struct perf_target *target); + +#endif /* _PERF_TARGET_H */ diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index 228f0a558872..e851abc22ccc 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -113,37 +113,3 @@ uid_t parse_target_uid(const char *str) return result->pw_uid; } - -void perf_target__validate(struct perf_target *target) -{ - if (target->pid) - target->tid = target->pid; - - /* CPU and PID are mutually exclusive */ - if (target->tid && target->cpu_list) { - ui__warning("WARNING: PID switch overriding CPU\n"); - sleep(1); - target->cpu_list = NULL; - } - - /* UID and PID are mutually exclusive */ - if (target->tid && target->uid_str) { - ui__warning("PID/TID switch overriding UID\n"); - sleep(1); - target->uid_str = NULL; - } - - /* UID and CPU are mutually exclusive */ - if (target->uid_str && target->cpu_list) { - ui__warning("UID switch overriding CPU\n"); - sleep(1); - target->cpu_list = NULL; - } - - /* PID/UID and SYSTEM are mutually exclusive */ - if ((target->tid || target->uid_str) && target->system_wide) { - ui__warning("PID/TID/UID switch overriding CPU\n"); - sleep(1); - target->system_wide = false; - } -} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 3f05d6264dab..52be74c359d3 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -246,12 +246,10 @@ unsigned long convert_unit(unsigned long value, char *unit); int readn(int fd, void *buf, size_t size); struct perf_event_attr; -struct perf_target; void event_attr_init(struct perf_event_attr *attr); uid_t parse_target_uid(const char *str); -void perf_target__validate(struct perf_target *target); #define _STR(x) #x #define STR(x) _STR(x) -- cgit v1.2.3-59-g8ed1b From ca09b2e1b307724666577859eb460ac6d4c67330 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 30 Apr 2012 13:55:05 +0900 Subject: perf ui: Make setup_browser() generic The setup_browser contained newt-related codes in it. As gtk front-end added recently, it should be more generic to handle both cases properly. So move newt codes to the ui__init() for now. Signed-off-by: Namhyung Kim Acked-by: Pekka Enberg Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335761711-31403-2-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/setup.c | 44 +++++++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 19 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c index 85a69faa09aa..becdcd0d9ce7 100644 --- a/tools/perf/ui/setup.c +++ b/tools/perf/ui/setup.c @@ -93,14 +93,37 @@ static void newt_suspend(void *d __used) newtResume(); } +static void ui__exit(void); + +static void ui__signal(int sig) +{ + ui__exit(); + psignal(sig, "perf"); + exit(0); +} + static int ui__init(void) { - int err = SLkp_init(); + int err; - if (err < 0) + newtInit(); + err = SLkp_init(); + if (err < 0) { + pr_err("TUI initialization failed.\n"); goto out; + } SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB); + + newtSetSuspendCallback(newt_suspend, NULL); + ui_helpline__init(); + ui_browser__init(); + + signal(SIGSEGV, ui__signal); + signal(SIGFPE, ui__signal); + signal(SIGINT, ui__signal); + signal(SIGQUIT, ui__signal); + signal(SIGTERM, ui__signal); out: return err; } @@ -113,13 +136,6 @@ static void ui__exit(void) SLang_reset_tty(); } -static void ui__signal(int sig) -{ - ui__exit(); - psignal(sig, "perf"); - exit(0); -} - void setup_browser(bool fallback_to_pager) { if (!isatty(1) || !use_browser || dump_trace) { @@ -130,17 +146,7 @@ void setup_browser(bool fallback_to_pager) } use_browser = 1; - newtInit(); ui__init(); - newtSetSuspendCallback(newt_suspend, NULL); - ui_helpline__init(); - ui_browser__init(); - - signal(SIGSEGV, ui__signal); - signal(SIGFPE, ui__signal); - signal(SIGINT, ui__signal); - signal(SIGQUIT, ui__signal); - signal(SIGTERM, ui__signal); } void exit_browser(bool wait_for_ok) -- cgit v1.2.3-59-g8ed1b From 7706f966323f32f3ea13121b5918851432876ae5 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 30 Apr 2012 13:55:06 +0900 Subject: perf ui gtk: Drop arg[cv] arguments from perf_gtk_setup_browser() As perf doesn't allow to specify gtk command-line option, drop the arguments and pass NULL to gtk_init(). This makes the function easier to be called from setup_browser(). Signed-off-by: Namhyung Kim Acked-by: Pekka Enberg Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335761711-31403-3-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 2 +- tools/perf/ui/gtk/browser.c | 5 ++--- tools/perf/util/cache.h | 4 ++-- 3 files changed, 5 insertions(+), 6 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index cec2b8cee80c..2b20001848f5 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -678,7 +678,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) if (strcmp(report.input_name, "-") != 0) { if (report.use_gtk) - perf_gtk_setup_browser(argc, argv, true); + perf_gtk_setup_browser(true); else setup_browser(true); } else { diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index 258352a2356c..a1a83de3f459 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -9,10 +9,9 @@ #define MAX_COLUMNS 32 -void perf_gtk_setup_browser(int argc, const char *argv[], - bool fallback_to_pager __used) +void perf_gtk_setup_browser(bool fallback_to_pager __used) { - gtk_init(&argc, (char ***)&argv); + gtk_init(NULL, NULL); } void perf_gtk_exit_browser(bool wait_for_ok __used) diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 8dd224df3e54..d22ca689fb15 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -46,14 +46,14 @@ void exit_browser(bool wait_for_ok); #endif #ifdef NO_GTK2_SUPPORT -static inline void perf_gtk_setup_browser(int argc __used, const char *argv[] __used, bool fallback_to_pager) +static inline void perf_gtk_setup_browser(bool fallback_to_pager) { if (fallback_to_pager) setup_pager(); } static inline void perf_gtk_exit_browser(bool wait_for_ok __used) {} #else -void perf_gtk_setup_browser(int argc, const char *argv[], bool fallback_to_pager); +void perf_gtk_setup_browser(bool fallback_to_pager); void perf_gtk_exit_browser(bool wait_for_ok); #endif -- cgit v1.2.3-59-g8ed1b From 28e62b90d95a4ed8ae2ba93879003665051581a6 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 30 Apr 2012 13:55:07 +0900 Subject: perf ui gtk: Rename functions for consistency We use double underscore characters to distinguish its subsystem and actual function name. Signed-off-by: Namhyung Kim Acked-by: Pekka Enberg Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335761711-31403-4-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 2 +- tools/perf/ui/gtk/browser.c | 24 ++++++++++++------------ tools/perf/util/cache.h | 8 ++++---- 3 files changed, 17 insertions(+), 17 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2b20001848f5..06115ffaa0b4 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -678,7 +678,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) if (strcmp(report.input_name, "-") != 0) { if (report.use_gtk) - perf_gtk_setup_browser(true); + perf_gtk__setup_browser(true); else setup_browser(true); } else { diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index a1a83de3f459..5eafd9b3b783 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -9,23 +9,23 @@ #define MAX_COLUMNS 32 -void perf_gtk_setup_browser(bool fallback_to_pager __used) +void perf_gtk__setup_browser(bool fallback_to_pager __used) { gtk_init(NULL, NULL); } -void perf_gtk_exit_browser(bool wait_for_ok __used) +void perf_gtk__exit_browser(bool wait_for_ok __used) { gtk_main_quit(); } -static void perf_gtk_signal(int sig) +static void perf_gtk__signal(int sig) { psignal(sig, "perf"); gtk_main_quit(); } -static void perf_gtk_resize_window(GtkWidget *window) +static void perf_gtk__resize_window(GtkWidget *window) { GdkRectangle rect; GdkScreen *screen; @@ -45,7 +45,7 @@ static void perf_gtk_resize_window(GtkWidget *window) gtk_window_resize(GTK_WINDOW(window), width, height); } -static void perf_gtk_show_hists(GtkWidget *window, struct hists *hists) +static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists) { GType col_types[MAX_COLUMNS]; GtkCellRenderer *renderer; @@ -141,11 +141,11 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, GtkWidget *notebook; GtkWidget *window; - signal(SIGSEGV, perf_gtk_signal); - signal(SIGFPE, perf_gtk_signal); - signal(SIGINT, perf_gtk_signal); - signal(SIGQUIT, perf_gtk_signal); - signal(SIGTERM, perf_gtk_signal); + signal(SIGSEGV, perf_gtk__signal); + signal(SIGFPE, perf_gtk__signal); + signal(SIGINT, perf_gtk__signal); + signal(SIGQUIT, perf_gtk__signal); + signal(SIGTERM, perf_gtk__signal); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); @@ -167,7 +167,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - perf_gtk_show_hists(scrolled_window, hists); + perf_gtk__show_hists(scrolled_window, hists); tab_label = gtk_label_new(evname); @@ -178,7 +178,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_widget_show_all(window); - perf_gtk_resize_window(window); + perf_gtk__resize_window(window); gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER); diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index d22ca689fb15..3428b777396d 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -46,15 +46,15 @@ void exit_browser(bool wait_for_ok); #endif #ifdef NO_GTK2_SUPPORT -static inline void perf_gtk_setup_browser(bool fallback_to_pager) +static inline void perf_gtk__setup_browser(bool fallback_to_pager) { if (fallback_to_pager) setup_pager(); } -static inline void perf_gtk_exit_browser(bool wait_for_ok __used) {} +static inline void perf_gtk__exit_browser(bool wait_for_ok __used) {} #else -void perf_gtk_setup_browser(bool fallback_to_pager); -void perf_gtk_exit_browser(bool wait_for_ok); +void perf_gtk__setup_browser(bool fallback_to_pager); +void perf_gtk__exit_browser(bool wait_for_ok); #endif char *alias_lookup(const char *alias); -- cgit v1.2.3-59-g8ed1b From 281ef544a8476f750b9f378593c42b3e8a0b8788 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 30 Apr 2012 13:55:08 +0900 Subject: perf ui: Add gtk2 support into setup_browser() Now setup_browser can handle gtk2 front-end so split the TUI code to ui/tui/setup.c in order to remove dependency. To this end, make ui__init/exit global symbols and take an argument. Also split gtk code to ui/gtk/setup.c. Signed-off-by: Namhyung Kim Acked-by: Pekka Enberg Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335761711-31403-5-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 6 ++ tools/perf/builtin-report.c | 10 +-- tools/perf/ui/gtk/browser.c | 10 --- tools/perf/ui/gtk/setup.c | 12 ++++ tools/perf/ui/setup.c | 169 +++++++------------------------------------- tools/perf/ui/tui/setup.c | 140 ++++++++++++++++++++++++++++++++++++ tools/perf/util/cache.h | 23 ++++-- 7 files changed, 205 insertions(+), 165 deletions(-) create mode 100644 tools/perf/ui/gtk/setup.c create mode 100644 tools/perf/ui/tui/setup.c (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 4122a668952e..4734f41f801d 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -483,6 +483,7 @@ else LIB_OBJS += $(OUTPUT)ui/helpline.o LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/util.o + LIB_OBJS += $(OUTPUT)ui/tui/setup.o LIB_H += ui/browser.h LIB_H += ui/browsers/map.h LIB_H += ui/helpline.h @@ -505,6 +506,11 @@ else BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0) EXTLIBS += $(shell pkg-config --libs gtk+-2.0) LIB_OBJS += $(OUTPUT)ui/gtk/browser.o + LIB_OBJS += $(OUTPUT)ui/gtk/setup.o + # Make sure that it'd be included only once. + ifneq ($(findstring -DNO_NEWT_SUPPORT,$(BASIC_CFLAGS)),) + LIB_OBJS += $(OUTPUT)ui/setup.o + endif endif endif diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 06115ffaa0b4..5df829f5bbf4 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -676,14 +676,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) } - if (strcmp(report.input_name, "-") != 0) { - if (report.use_gtk) - perf_gtk__setup_browser(true); - else - setup_browser(true); - } else { + if (strcmp(report.input_name, "-") != 0) + setup_browser(true); + else use_browser = 0; - } /* * Only in the newt browser we are doing integrated annotation, diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index 5eafd9b3b783..0656c381a89c 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -9,16 +9,6 @@ #define MAX_COLUMNS 32 -void perf_gtk__setup_browser(bool fallback_to_pager __used) -{ - gtk_init(NULL, NULL); -} - -void perf_gtk__exit_browser(bool wait_for_ok __used) -{ - gtk_main_quit(); -} - static void perf_gtk__signal(int sig) { psignal(sig, "perf"); diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c new file mode 100644 index 000000000000..8c3b573e863d --- /dev/null +++ b/tools/perf/ui/gtk/setup.c @@ -0,0 +1,12 @@ +#include "gtk.h" +#include "../../util/cache.h" + +void perf_gtk__init(bool fallback_to_pager __used) +{ + gtk_init(NULL, NULL); +} + +void perf_gtk__exit(bool wait_for_ok __used) +{ + gtk_main_quit(); +} diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c index becdcd0d9ce7..98130e099a0d 100644 --- a/tools/perf/ui/setup.c +++ b/tools/perf/ui/setup.c @@ -1,161 +1,44 @@ -#include -#include -#include - #include "../cache.h" #include "../debug.h" -#include "browser.h" -#include "helpline.h" -#include "ui.h" -#include "util.h" -#include "libslang.h" -#include "keysyms.h" - -pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; - -static volatile int ui__need_resize; - -void ui__refresh_dimensions(bool force) -{ - if (force || ui__need_resize) { - ui__need_resize = 0; - pthread_mutex_lock(&ui__lock); - SLtt_get_screen_size(); - SLsmg_reinit_smg(); - pthread_mutex_unlock(&ui__lock); - } -} - -static void ui__sigwinch(int sig __used) -{ - ui__need_resize = 1; -} - -static void ui__setup_sigwinch(void) -{ - static bool done; - - if (done) - return; - - done = true; - pthread__unblock_sigwinch(); - signal(SIGWINCH, ui__sigwinch); -} - -int ui__getch(int delay_secs) -{ - struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; - fd_set read_set; - int err, key; - - ui__setup_sigwinch(); - - FD_ZERO(&read_set); - FD_SET(0, &read_set); - - if (delay_secs) { - timeout.tv_sec = delay_secs; - timeout.tv_usec = 0; - } - - err = select(1, &read_set, NULL, NULL, ptimeout); - - if (err == 0) - return K_TIMER; - - if (err == -1) { - if (errno == EINTR) - return K_RESIZE; - return K_ERROR; - } - key = SLang_getkey(); - if (key != K_ESC) - return key; - FD_ZERO(&read_set); - FD_SET(0, &read_set); - timeout.tv_sec = 0; - timeout.tv_usec = 20; - err = select(1, &read_set, NULL, NULL, &timeout); - if (err == 0) - return K_ESC; - - SLang_ungetkey(key); - return SLkp_getkey(); -} - -static void newt_suspend(void *d __used) -{ - newtSuspend(); - raise(SIGTSTP); - newtResume(); -} - -static void ui__exit(void); - -static void ui__signal(int sig) -{ - ui__exit(); - psignal(sig, "perf"); - exit(0); -} - -static int ui__init(void) +void setup_browser(bool fallback_to_pager) { - int err; - - newtInit(); - err = SLkp_init(); - if (err < 0) { - pr_err("TUI initialization failed.\n"); - goto out; - } - - SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB); + if (!isatty(1) || dump_trace) + use_browser = 0; - newtSetSuspendCallback(newt_suspend, NULL); - ui_helpline__init(); - ui_browser__init(); + /* default to TUI */ + if (use_browser < 0) + use_browser = 1; - signal(SIGSEGV, ui__signal); - signal(SIGFPE, ui__signal); - signal(SIGINT, ui__signal); - signal(SIGQUIT, ui__signal); - signal(SIGTERM, ui__signal); -out: - return err; -} + switch (use_browser) { + case 2: + perf_gtk__init(fallback_to_pager); + break; -static void ui__exit(void) -{ - SLtt_set_cursor_visibility(1); - SLsmg_refresh(); - SLsmg_reset_smg(); - SLang_reset_tty(); -} + case 1: + ui__init(fallback_to_pager); + break; -void setup_browser(bool fallback_to_pager) -{ - if (!isatty(1) || !use_browser || dump_trace) { - use_browser = 0; + default: if (fallback_to_pager) setup_pager(); - return; + break; } - - use_browser = 1; - ui__init(); } void exit_browser(bool wait_for_ok) { - if (use_browser > 0) { - if (wait_for_ok) - ui__question_window("Fatal Error", - ui_helpline__last_msg, - "Press any key...", 0); - ui__exit(); + switch (use_browser) { + case 2: + perf_gtk__exit(wait_for_ok); + break; + + case 1: + ui__exit(wait_for_ok); + break; + + default: + break; } } diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c new file mode 100644 index 000000000000..0194cea2ea0e --- /dev/null +++ b/tools/perf/ui/tui/setup.c @@ -0,0 +1,140 @@ +#include +#include +#include + +#include "../../util/cache.h" +#include "../../util/debug.h" +#include "../browser.h" +#include "../helpline.h" +#include "../ui.h" +#include "../util.h" +#include "../libslang.h" +#include "../keysyms.h" + +pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; + +static volatile int ui__need_resize; + +void ui__refresh_dimensions(bool force) +{ + if (force || ui__need_resize) { + ui__need_resize = 0; + pthread_mutex_lock(&ui__lock); + SLtt_get_screen_size(); + SLsmg_reinit_smg(); + pthread_mutex_unlock(&ui__lock); + } +} + +static void ui__sigwinch(int sig __used) +{ + ui__need_resize = 1; +} + +static void ui__setup_sigwinch(void) +{ + static bool done; + + if (done) + return; + + done = true; + pthread__unblock_sigwinch(); + signal(SIGWINCH, ui__sigwinch); +} + +int ui__getch(int delay_secs) +{ + struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; + fd_set read_set; + int err, key; + + ui__setup_sigwinch(); + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + + if (delay_secs) { + timeout.tv_sec = delay_secs; + timeout.tv_usec = 0; + } + + err = select(1, &read_set, NULL, NULL, ptimeout); + + if (err == 0) + return K_TIMER; + + if (err == -1) { + if (errno == EINTR) + return K_RESIZE; + return K_ERROR; + } + + key = SLang_getkey(); + if (key != K_ESC) + return key; + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + timeout.tv_sec = 0; + timeout.tv_usec = 20; + err = select(1, &read_set, NULL, NULL, &timeout); + if (err == 0) + return K_ESC; + + SLang_ungetkey(key); + return SLkp_getkey(); +} + +static void newt_suspend(void *d __used) +{ + newtSuspend(); + raise(SIGTSTP); + newtResume(); +} + +static void ui__signal(int sig) +{ + ui__exit(false); + psignal(sig, "perf"); + exit(0); +} + +int ui__init(bool fallback_to_pager __used) +{ + int err; + + newtInit(); + err = SLkp_init(); + if (err < 0) { + pr_err("TUI initialization failed.\n"); + goto out; + } + + SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB); + + newtSetSuspendCallback(newt_suspend, NULL); + ui_helpline__init(); + ui_browser__init(); + + signal(SIGSEGV, ui__signal); + signal(SIGFPE, ui__signal); + signal(SIGINT, ui__signal); + signal(SIGQUIT, ui__signal); + signal(SIGTERM, ui__signal); +out: + return err; +} + +void ui__exit(bool wait_for_ok) +{ + if (wait_for_ok) + ui__question_window("Fatal Error", + ui_helpline__last_msg, + "Press any key...", 0); + + SLtt_set_cursor_visibility(1); + SLsmg_refresh(); + SLsmg_reset_smg(); + SLang_reset_tty(); +} diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 3428b777396d..761d4e998101 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -33,7 +33,7 @@ extern int pager_use_color; extern int use_browser; -#ifdef NO_NEWT_SUPPORT +#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT) static inline void setup_browser(bool fallback_to_pager) { if (fallback_to_pager) @@ -43,19 +43,32 @@ static inline void exit_browser(bool wait_for_ok __used) {} #else void setup_browser(bool fallback_to_pager); void exit_browser(bool wait_for_ok); + +#ifdef NO_NEWT_SUPPORT +static inline int ui__init(bool fallback_to_pager) +{ + if (fallback_to_pager) + setup_pager(); + return 0; +} +static inline void ui__exit(bool wait_for_ok __used) {} +#else +int ui__init(bool fallback_to_pager); +void ui__exit(bool wait_for_ok); #endif #ifdef NO_GTK2_SUPPORT -static inline void perf_gtk__setup_browser(bool fallback_to_pager) +static inline void perf_gtk__init(bool fallback_to_pager) { if (fallback_to_pager) setup_pager(); } -static inline void perf_gtk__exit_browser(bool wait_for_ok __used) {} +static inline void perf_gtk__exit(bool wait_for_ok __used) {} #else -void perf_gtk__setup_browser(bool fallback_to_pager); -void perf_gtk__exit_browser(bool wait_for_ok); +void perf_gtk__init(bool fallback_to_pager); +void perf_gtk__exit(bool wait_for_ok); #endif +#endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */ char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); -- cgit v1.2.3-59-g8ed1b From dc41b9b8f02dbe2228ae787d525dac43beebb7fa Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 30 Apr 2012 13:55:09 +0900 Subject: perf ui: Change fallback policy of setup_browser() If gtk2 support is not enabled (or failed for some reason) try TUI again instead of falling directly back to the stdio interface. Signed-off-by: Namhyung Kim Acked-by: Pekka Enberg Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1335761711-31403-6-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/gtk/setup.c | 4 ++-- tools/perf/ui/setup.c | 13 +++++++------ tools/perf/ui/tui/setup.c | 2 +- tools/perf/util/cache.h | 15 ++++++--------- 4 files changed, 16 insertions(+), 18 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c index 8c3b573e863d..829529957766 100644 --- a/tools/perf/ui/gtk/setup.c +++ b/tools/perf/ui/gtk/setup.c @@ -1,9 +1,9 @@ #include "gtk.h" #include "../../util/cache.h" -void perf_gtk__init(bool fallback_to_pager __used) +int perf_gtk__init(void) { - gtk_init(NULL, NULL); + return gtk_init_check(NULL, NULL) ? 0 : -1; } void perf_gtk__exit(bool wait_for_ok __used) diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c index 98130e099a0d..9f5f888f73e3 100644 --- a/tools/perf/ui/setup.c +++ b/tools/perf/ui/setup.c @@ -13,13 +13,14 @@ void setup_browser(bool fallback_to_pager) switch (use_browser) { case 2: - perf_gtk__init(fallback_to_pager); - break; - + if (perf_gtk__init() == 0) + break; + /* fall through */ case 1: - ui__init(fallback_to_pager); - break; - + use_browser = 1; + if (ui__init() == 0) + break; + /* fall through */ default: if (fallback_to_pager) setup_pager(); diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c index 0194cea2ea0e..d33e943ac434 100644 --- a/tools/perf/ui/tui/setup.c +++ b/tools/perf/ui/tui/setup.c @@ -100,7 +100,7 @@ static void ui__signal(int sig) exit(0); } -int ui__init(bool fallback_to_pager __used) +int ui__init(void) { int err; diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 761d4e998101..cff18c617d13 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -45,27 +45,24 @@ void setup_browser(bool fallback_to_pager); void exit_browser(bool wait_for_ok); #ifdef NO_NEWT_SUPPORT -static inline int ui__init(bool fallback_to_pager) +static inline int ui__init(void) { - if (fallback_to_pager) - setup_pager(); - return 0; + return -1; } static inline void ui__exit(bool wait_for_ok __used) {} #else -int ui__init(bool fallback_to_pager); +int ui__init(void); void ui__exit(bool wait_for_ok); #endif #ifdef NO_GTK2_SUPPORT -static inline void perf_gtk__init(bool fallback_to_pager) +static inline int perf_gtk__init(void) { - if (fallback_to_pager) - setup_pager(); + return -1; } static inline void perf_gtk__exit(bool wait_for_ok __used) {} #else -void perf_gtk__init(bool fallback_to_pager); +int perf_gtk__init(void); void perf_gtk__exit(bool wait_for_ok); #endif #endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */ -- cgit v1.2.3-59-g8ed1b From 4656cca11b07a13785aa8574ed4db6c540e48ed8 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 3 May 2012 13:07:05 -0300 Subject: perf ui browser: Introduce routine to draw vertical line Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-umb4jlu0ee8r2rc3x4jkahgk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browser.c | 9 +++++++++ tools/perf/ui/browser.h | 2 ++ 2 files changed, 11 insertions(+) (limited to 'tools') diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index f4b2530ae1d3..b075e09bfb54 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -593,6 +593,15 @@ unsigned int ui_browser__argv_refresh(struct ui_browser *browser) return row; } +void __ui_browser__vline(struct ui_browser *browser, unsigned int column, + u16 start, u16 end) +{ + SLsmg_set_char_set(1); + ui_browser__gotorc(browser, start, column); + SLsmg_draw_vline(end - start + 1); + SLsmg_set_char_set(0); +} + void ui_browser__write_graph(struct ui_browser *browser __used, int graph) { SLsmg_set_char_set(1); diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 059764b29b2d..511e24d08dfa 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -49,6 +49,8 @@ int ui_browser__refresh(struct ui_browser *self); int ui_browser__run(struct ui_browser *browser, int delay_secs); void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries); void ui_browser__handle_resize(struct ui_browser *browser); +void __ui_browser__vline(struct ui_browser *browser, unsigned int column, + u16 start, u16 end); int ui_browser__warning(struct ui_browser *browser, int timeout, const char *format, ...); -- cgit v1.2.3-59-g8ed1b From 83b1f2aad46c4af7df5ba6071fbba2d5cb025985 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 3 May 2012 13:12:49 -0300 Subject: perf annotate browser: More clearly separate columns The first column (columns in the near future) are for the per line event overhead(s), that only appear when they are not zero. To clearly separate it, add back a solid vertical line, with just one colour, not influenced by the per line overheads. Then have the addr/offset column, then optionally the dynamic (static in the future) jump->target arrows, if 'j' enables it. Then the instructions. Requested-by: Peter Zijlstra Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-r415t4sps0oyr9y8kd9j7clz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browser.c | 14 ++++++------ tools/perf/ui/browser.h | 2 +- tools/perf/ui/browsers/annotate.c | 48 +++++++++++++++++++++++---------------- 3 files changed, 36 insertions(+), 28 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index b075e09bfb54..cde4d0f0ddb9 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -611,7 +611,7 @@ void ui_browser__write_graph(struct ui_browser *browser __used, int graph) static void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width) + u64 start, u64 end) { unsigned int row, end_row; @@ -622,7 +622,7 @@ static void __ui_browser__line_arrow_up(struct ui_browser *browser, ui_browser__gotorc(browser, row, column); SLsmg_write_char(SLSMG_LLCORN_CHAR); ui_browser__gotorc(browser, row, column + 1); - SLsmg_draw_hline(start_width); + SLsmg_draw_hline(2); if (row-- == 0) goto out; @@ -651,7 +651,7 @@ out: static void __ui_browser__line_arrow_down(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width) + u64 start, u64 end) { unsigned int row, end_row; @@ -662,7 +662,7 @@ static void __ui_browser__line_arrow_down(struct ui_browser *browser, ui_browser__gotorc(browser, row, column); SLsmg_write_char(SLSMG_ULCORN_CHAR); ui_browser__gotorc(browser, row, column + 1); - SLsmg_draw_hline(start_width); + SLsmg_draw_hline(2); if (row++ == 0) goto out; @@ -690,12 +690,12 @@ out: } void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width) + u64 start, u64 end) { if (start > end) - __ui_browser__line_arrow_up(browser, column, start, end, start_width); + __ui_browser__line_arrow_up(browser, column, start, end); else - __ui_browser__line_arrow_down(browser, column, start, end, start_width); + __ui_browser__line_arrow_down(browser, column, start, end); } void ui_browser__init(void) diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 511e24d08dfa..dd96d8229902 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -39,7 +39,7 @@ void ui_browser__reset_index(struct ui_browser *self); void ui_browser__gotorc(struct ui_browser *self, int y, int x); void ui_browser__write_graph(struct ui_browser *browser, int graph); void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, - u64 start, u64 end, int start_width); + u64 start, u64 end); void __ui_browser__show_title(struct ui_browser *browser, const char *title); void ui_browser__show_title(struct ui_browser *browser, const char *title); int ui_browser__show(struct ui_browser *self, const char *title, diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 44fb6a447d00..74104a403b5d 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -32,7 +32,9 @@ struct annotate_browser { bool use_offset; bool jump_arrows; bool searching_backwards; - u8 offset_width; + u8 addr_width; + u8 min_addr_width; + u8 max_addr_width; char search_bf[128]; }; @@ -62,7 +64,8 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro bool change_color = (!ab->hide_src_code && (!current_entry || (self->use_navkeypressed && !self->navkeypressed))); - int width = self->width; + int width = self->width, printed; + char bf[256]; if (dl->offset != -1 && bdl->percent != 0.0) { ui_browser__set_percent_color(self, bdl->percent, current_entry); @@ -83,25 +86,27 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!*dl->line) slsmg_write_nstring(" ", width - 7); - else if (dl->offset == -1) - slsmg_write_nstring(dl->line, width - 7); - else { - char bf[256]; + else if (dl->offset == -1) { + printed = scnprintf(bf, sizeof(bf), "%*s ", + ab->addr_width, " "); + slsmg_write_nstring(bf, printed); + slsmg_write_nstring(dl->line, width - printed - 6); + } else { u64 addr = dl->offset; - int printed, color = -1; + int color = -1; if (!ab->use_offset) addr += ab->start; if (!ab->use_offset) { - printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); + printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); } else { if (bdl->jump_target) { - printed = scnprintf(bf, sizeof(bf), " %*" PRIx64 ":", - ab->offset_width, addr); + printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", + ab->addr_width, addr); } else { - printed = scnprintf(bf, sizeof(bf), " %*s ", - ab->offset_width, " "); + printed = scnprintf(bf, sizeof(bf), "%*s ", + ab->addr_width, " "); } } @@ -137,7 +142,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro scnprintf(bf, sizeof(bf), "%-6.6s %s", dl->name, dl->ops.raw); } - slsmg_write_nstring(bf, width - 9 - printed); + slsmg_write_nstring(bf, width - 10 - printed); } if (current_entry) @@ -149,7 +154,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); struct disasm_line *cursor = ab->selection, *target; struct browser_disasm_line *btarget, *bcursor; - unsigned int from, to, start_width = 2; + unsigned int from, to; if (!cursor->ins || !ins__is_jump(cursor->ins) || !disasm_line__has_offset(cursor)) @@ -171,11 +176,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) } ui_browser__set_color(browser, HE_COLORSET_CODE); - - if (!bcursor->jump_target) - start_width += ab->offset_width + 1; - - __ui_browser__line_arrow(browser, 7, from, to, start_width); + __ui_browser__line_arrow(browser, 9 + ab->addr_width, from, to); } static unsigned int annotate_browser__refresh(struct ui_browser *browser) @@ -186,6 +187,8 @@ static unsigned int annotate_browser__refresh(struct ui_browser *browser) if (ab->jump_arrows) annotate_browser__draw_current_jump(browser); + ui_browser__set_color(browser, HE_COLORSET_NORMAL); + __ui_browser__vline(browser, 7, 0, browser->height - 1); return ret; } @@ -618,6 +621,10 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, case 'O': case 'o': self->use_offset = !self->use_offset; + if (self->use_offset) + self->addr_width = self->min_addr_width; + else + self->addr_width = self->max_addr_width; continue; case 'j': self->jump_arrows = !self->jump_arrows; @@ -784,7 +791,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, annotate_browser__mark_jump_targets(&browser, size); - browser.offset_width = hex_width(size); + browser.addr_width = browser.min_addr_width = hex_width(size); + browser.max_addr_width = hex_width(sym->end); browser.b.nr_entries = browser.nr_entries; browser.b.entries = ¬es->src->source, browser.b.width += 18; /* Percentage */ -- cgit v1.2.3-59-g8ed1b From 64aa17ca5a4e428fcb6d0806823a99a18c548506 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 3 May 2012 13:23:00 -0300 Subject: perf annotate browser: Don't change the asm line color when toggling source Gets confusing. Remains to be chosen an appropriate different color for source code. This effectively reverts 58e817d997d1 ("perf annotate: Print asm code as blue when source code is displayed") Requested-by: Peter Zijlstra Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-qy9iq32nj3uqe5dbiuq9e3j9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 74104a403b5d..b94da57471f6 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -81,9 +81,6 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!self->navkeypressed) width += 1; - if (dl->offset != -1 && change_color) - ui_browser__set_color(self, HE_COLORSET_CODE); - if (!*dl->line) slsmg_write_nstring(" ", width - 7); else if (dl->offset == -1) { -- cgit v1.2.3-59-g8ed1b From 9389a46043c8f091dc8f8d8e25a5c1355f8bcc9b Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 16 Apr 2012 20:42:51 +0200 Subject: perf session: Fail on processing event with unknown size Currently if we cannot decide the size of the event, we guess next event possition by: "... check alignment, and increment a single u64 in the hope to catch on again 'soon'" This usually ends up with segfault or endless loop. It's better to admit the failure right away, then pretend nothing happened. It makes the life easier ;) Signed-off-by: Jiri Olsa Acked-by: Peter Zijlstra Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20120416184251.GA11503@m.brq.redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/session.c | 30 +++++++++--------------------- 1 file changed, 9 insertions(+), 21 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 9412e3b05f68..f992ae3c7e30 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1100,16 +1100,10 @@ more: } if ((skip = perf_session__process_event(self, &event, tool, head)) < 0) { - dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n", - head, event.header.size, event.header.type); - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; + pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", + head, event.header.size, event.header.type); + err = -EINVAL; + goto out_err; } head += size; @@ -1218,17 +1212,11 @@ more: if (size == 0 || perf_session__process_event(session, event, tool, file_pos) < 0) { - dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n", - file_offset + head, event->header.size, - event->header.type); - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; + pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", + file_offset + head, event->header.size, + event->header.type); + err = -EINVAL; + goto out_err; } head += size; -- cgit v1.2.3-59-g8ed1b From 10b47d54154ce711e4c4438aff10f0215b2ab8eb Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 7 May 2012 16:33:56 -0300 Subject: perf top: Set target.system_wide Check if neither of --pid, --tid or --uid was specified and if so, set system_wide appropriately. Namhyung's patch would make using any of the above target specifiers emit a warning in perf_target__validate, since it would see target.system_wide set and one of the others as well. So set system_wide after validation. Suggested-by: David Ahern Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-6e4zrji1uw0rinfyoitl0wi4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 2a0ec09b9b77..e40f86ea3641 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1258,6 +1258,10 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1) goto out_delete_evlist; + if (top.target.tid == 0 && top.target.pid == 0 && + top.target.uid_str == NULL) + top.target.system_wide = true; + if (perf_evlist__create_maps(top.evlist, &top.target) < 0) usage_with_options(top_usage, options); -- cgit v1.2.3-59-g8ed1b From 55261f46702cec96911a81aacfb3cba13434d304 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:08:59 +0900 Subject: perf evlist: Fix creation of cpu map Currently, 'perf record -- sleep 1' creates a cpu map for all online cpus since it turns out calling cpu_map__new(NULL). Fix it. Also it is guaranteed that cpu_list is NULL if PID/TID is given by calling perf_target__validate(), so we can make the conditional bit simpler. This also fixes perf test 7 (Validate) failure on my 6 core machine: $ cat /sys/devices/system/cpu/online 0-11 $ ./perf test -v 7 7: Validate PERF_RECORD_* events & perf_sample fields: --- start --- perf_evlist__mmap: Operation not permitted ---- end ---- Validate PERF_RECORD_* events & perf_sample fields: FAILED! Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-3-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evlist.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 30328623cae6..183b199b0d09 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -609,8 +609,9 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, if (evlist->threads == NULL) return -1; - if (target->uid != UINT_MAX || - (target->cpu_list == NULL && target->tid)) + if (target->uid != UINT_MAX || target->tid) + evlist->cpus = cpu_map__dummy_new(); + else if (!target->system_wide && target->cpu_list == NULL) evlist->cpus = cpu_map__dummy_new(); else evlist->cpus = cpu_map__new(target->cpu_list); -- cgit v1.2.3-59-g8ed1b From 60bbddaaa33865633efa2800702e3b02495a0e94 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:09:00 +0900 Subject: perf target: Introduce perf_target_errno The perf_target_errno enumerations are used to indicate specific error cases on perf target operations. It'd help libperf being a more generic library. Signed-off-by: Namhyung Kim Suggested-by: Arnaldo Carvalho de Melo Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-4-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/target.c | 33 ++++++++++++++++++++++----------- tools/perf/util/target.h | 25 ++++++++++++++++++++++++- 2 files changed, 46 insertions(+), 12 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 3fadf85dd7e3..5c59dcfc8f8d 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -10,36 +10,47 @@ #include "debug.h" -void perf_target__validate(struct perf_target *target) +enum perf_target_errno perf_target__validate(struct perf_target *target) { + enum perf_target_errno ret = PERF_ERRNO_TARGET__SUCCESS; + if (target->pid) target->tid = target->pid; /* CPU and PID are mutually exclusive */ if (target->tid && target->cpu_list) { - ui__warning("WARNING: PID switch overriding CPU\n"); - sleep(1); target->cpu_list = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_CPU; } /* UID and PID are mutually exclusive */ if (target->tid && target->uid_str) { - ui__warning("PID/TID switch overriding UID\n"); - sleep(1); target->uid_str = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_UID; } /* UID and CPU are mutually exclusive */ if (target->uid_str && target->cpu_list) { - ui__warning("UID switch overriding CPU\n"); - sleep(1); target->cpu_list = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__UID_OVERRIDE_CPU; } - /* PID/UID and SYSTEM are mutually exclusive */ - if ((target->tid || target->uid_str) && target->system_wide) { - ui__warning("PID/TID/UID switch overriding CPU\n"); - sleep(1); + /* PID and SYSTEM are mutually exclusive */ + if (target->tid && target->system_wide) { target->system_wide = false; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM; } + + /* UID and SYSTEM are mutually exclusive */ + if (target->uid_str && target->system_wide) { + target->system_wide = false; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM; + } + + return ret; } diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index 218291f921ed..eb0d2101154a 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -13,6 +13,29 @@ struct perf_target { bool system_wide; }; -void perf_target__validate(struct perf_target *target); +enum perf_target_errno { + PERF_ERRNO_TARGET__SUCCESS = 0, + + /* + * Choose an arbitrary negative big number not to clash with standard + * errno since SUS requires the errno has distinct positive values. + * See 'Issue 6' in the link below. + * + * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html + */ + __PERF_ERRNO_TARGET__START = -10000, + + + /* for perf_target__validate() */ + PERF_ERRNO_TARGET__PID_OVERRIDE_CPU = __PERF_ERRNO_TARGET__START, + PERF_ERRNO_TARGET__PID_OVERRIDE_UID, + PERF_ERRNO_TARGET__UID_OVERRIDE_CPU, + PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM, + PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM, + + __PERF_ERRNO_TARGET__END, +}; + +enum perf_target_errno perf_target__validate(struct perf_target *target); #endif /* _PERF_TARGET_H */ -- cgit v1.2.3-59-g8ed1b From dfe78adaaca90417ece98edbd3eb1c9661334406 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:09:01 +0900 Subject: perf target: Introduce perf_target__parse_uid() Add and use the modern perf_target__parse_uid() and get rid of the old parse_target_uid(). Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-5-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 +--- tools/perf/builtin-top.c | 3 +-- tools/perf/util/target.c | 35 +++++++++++++++++++++++++++++++++++ tools/perf/util/target.h | 5 +++++ tools/perf/util/usage.c | 31 ------------------------------- tools/perf/util/util.h | 3 --- 6 files changed, 42 insertions(+), 39 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d16590942cec..d26a279796d9 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -886,9 +886,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) perf_target__validate(&rec->opts.target); - rec->opts.target.uid = parse_target_uid(rec->opts.target.uid_str); - if (rec->opts.target.uid_str != NULL && - rec->opts.target.uid == UINT_MAX - 1) + if (perf_target__parse_uid(&rec->opts.target) < 0) goto out_free_fd; if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e40f86ea3641..c9137ba580d9 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1254,8 +1254,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) perf_target__validate(&top.target); - top.target.uid = parse_target_uid(top.target.uid_str); - if (top.target.uid_str != NULL && top.target.uid == UINT_MAX - 1) + if (perf_target__parse_uid(&top.target) < 0) goto out_delete_evlist; if (top.target.tid == 0 && top.target.pid == 0 && diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 5c59dcfc8f8d..02a6bedb69a3 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -9,6 +9,8 @@ #include "target.h" #include "debug.h" +#include + enum perf_target_errno perf_target__validate(struct perf_target *target) { @@ -54,3 +56,36 @@ enum perf_target_errno perf_target__validate(struct perf_target *target) return ret; } + +enum perf_target_errno perf_target__parse_uid(struct perf_target *target) +{ + struct passwd pwd, *result; + char buf[1024]; + const char *str = target->uid_str; + + target->uid = UINT_MAX; + if (str == NULL) + return PERF_ERRNO_TARGET__SUCCESS; + + /* Try user name first */ + getpwnam_r(str, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) { + /* + * The user name not found. Maybe it's a UID number. + */ + char *endptr; + int uid = strtol(str, &endptr, 10); + + if (*endptr != '\0') + return PERF_ERRNO_TARGET__INVALID_UID; + + getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) + return PERF_ERRNO_TARGET__USER_NOT_FOUND; + } + + target->uid = result->pw_uid; + return PERF_ERRNO_TARGET__SUCCESS; +} diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index eb0d2101154a..d4aabdaba42a 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -33,9 +33,14 @@ enum perf_target_errno { PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM, PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM, + /* for perf_target__parse_uid() */ + PERF_ERRNO_TARGET__INVALID_UID, + PERF_ERRNO_TARGET__USER_NOT_FOUND, + __PERF_ERRNO_TARGET__END, }; enum perf_target_errno perf_target__validate(struct perf_target *target); +enum perf_target_errno perf_target__parse_uid(struct perf_target *target); #endif /* _PERF_TARGET_H */ diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index e851abc22ccc..4007aca8e0ca 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -82,34 +82,3 @@ void warning(const char *warn, ...) warn_routine(warn, params); va_end(params); } - -uid_t parse_target_uid(const char *str) -{ - struct passwd pwd, *result; - char buf[1024]; - - if (str == NULL) - return UINT_MAX; - - getpwnam_r(str, &pwd, buf, sizeof(buf), &result); - - if (result == NULL) { - char *endptr; - int uid = strtol(str, &endptr, 10); - - if (*endptr != '\0') { - ui__error("Invalid user %s\n", str); - return UINT_MAX - 1; - } - - getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); - - if (result == NULL) { - ui__error("Problems obtaining information for user %s\n", - str); - return UINT_MAX - 1; - } - } - - return result->pw_uid; -} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 52be74c359d3..27a11a78ad39 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -74,7 +74,6 @@ #include #include #include -#include #include #include "../../../include/linux/magic.h" #include "types.h" @@ -249,8 +248,6 @@ struct perf_event_attr; void event_attr_init(struct perf_event_attr *attr); -uid_t parse_target_uid(const char *str); - #define _STR(x) #x #define STR(x) _STR(x) -- cgit v1.2.3-59-g8ed1b From 16ad2ffb822cd28e2330284a60fdfec8bb90bbb0 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:09:02 +0900 Subject: perf tools: Introduce perf_target__strerror() The perf_target__strerror() sets @buf to a string that describes the (perf_target-specific) error condition that is passed via @errnum. This is similar to strerror_r() and does same thing if @errnum has a standard errno value. Signed-off-by: Namhyung Kim Suggested-by: Arnaldo Carvalho de Melo Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-6-git-send-email-namhyung.kim@lge.com [ committer note: No need to use PERF_ERRNO_TARGET__SUCCESS, use shorter idiom ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 18 ++++++++++++++-- tools/perf/builtin-top.c | 19 ++++++++++++++--- tools/perf/util/debug.c | 1 + tools/perf/util/target.c | 51 +++++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/target.h | 3 +++ 5 files changed, 87 insertions(+), 5 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d26a279796d9..c8bf6ea000da 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -831,6 +831,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) struct perf_evsel *pos; struct perf_evlist *evsel_list; struct perf_record *rec = &record; + char errbuf[BUFSIZ]; perf_header__set_cmdline(argc, argv); @@ -884,11 +885,24 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) goto out_symbol_exit; } - perf_target__validate(&rec->opts.target); + err = perf_target__validate(&rec->opts.target); + if (err) { + perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ); + ui__warning("%s", errbuf); + } + + err = perf_target__parse_uid(&rec->opts.target); + if (err) { + int saved_errno = errno; - if (perf_target__parse_uid(&rec->opts.target) < 0) + perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ); + ui__warning("%s", errbuf); + + err = -saved_errno; goto out_free_fd; + } + err = -ENOMEM; if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0) usage_with_options(record_usage, record_options); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index c9137ba580d9..7ba0f03c0132 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1150,7 +1150,8 @@ static const char * const top_usage[] = { int cmd_top(int argc, const char **argv, const char *prefix __used) { struct perf_evsel *pos; - int status = -ENOMEM; + int status; + char errbuf[BUFSIZ]; struct perf_top top = { .count_filter = 5, .delay_secs = 2, @@ -1252,10 +1253,22 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) setup_browser(false); - perf_target__validate(&top.target); + status = perf_target__validate(&top.target); + if (status) { + perf_target__strerror(&top.target, status, errbuf, BUFSIZ); + ui__warning("%s", errbuf); + } + + status = perf_target__parse_uid(&top.target); + if (status) { + int saved_errno = errno; - if (perf_target__parse_uid(&top.target) < 0) + perf_target__strerror(&top.target, status, errbuf, BUFSIZ); + ui__warning("%s", errbuf); + + status = -saved_errno; goto out_delete_evlist; + } if (top.target.tid == 0 && top.target.pid == 0 && top.target.uid_str == NULL) diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 26817daa2961..efb1fce259a4 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -11,6 +11,7 @@ #include "event.h" #include "debug.h" #include "util.h" +#include "target.h" int verbose; bool dump_trace = false, quiet = false; diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 02a6bedb69a3..1064d5b148ad 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -10,6 +10,7 @@ #include "debug.h" #include +#include enum perf_target_errno perf_target__validate(struct perf_target *target) @@ -89,3 +90,53 @@ enum perf_target_errno perf_target__parse_uid(struct perf_target *target) target->uid = result->pw_uid; return PERF_ERRNO_TARGET__SUCCESS; } + +/* + * This must have a same ordering as the enum perf_target_errno. + */ +static const char *perf_target__error_str[] = { + "PID/TID switch overriding CPU", + "PID/TID switch overriding UID", + "UID switch overriding CPU", + "PID/TID switch overriding SYSTEM", + "UID switch overriding SYSTEM", + "Invalid User: %s", + "Problems obtaining information for user %s", +}; + +int perf_target__strerror(struct perf_target *target, int errnum, + char *buf, size_t buflen) +{ + int idx; + const char *msg; + + if (errnum >= 0) { + strerror_r(errnum, buf, buflen); + return 0; + } + + if (errnum < __PERF_ERRNO_TARGET__START || + errnum >= __PERF_ERRNO_TARGET__END) + return -1; + + idx = errnum - __PERF_ERRNO_TARGET__START; + msg = perf_target__error_str[idx]; + + switch (errnum) { + case PERF_ERRNO_TARGET__PID_OVERRIDE_CPU + ... PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM: + snprintf(buf, buflen, "%s", msg); + break; + + case PERF_ERRNO_TARGET__INVALID_UID: + case PERF_ERRNO_TARGET__USER_NOT_FOUND: + snprintf(buf, buflen, msg, target->uid_str); + break; + + default: + /* cannot reach here */ + break; + } + + return 0; +} diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index d4aabdaba42a..6fcd01c440a9 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -43,4 +43,7 @@ enum perf_target_errno { enum perf_target_errno perf_target__validate(struct perf_target *target); enum perf_target_errno perf_target__parse_uid(struct perf_target *target); +int perf_target__strerror(struct perf_target *target, int errnum, char *buf, + size_t buflen); + #endif /* _PERF_TARGET_H */ -- cgit v1.2.3-59-g8ed1b From d67356e7f80f5c2ef487bedc11a91d5fe18c5a15 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:09:03 +0900 Subject: perf target: Consolidate target task/cpu checking There are places that check whether target task/cpu is given or not and some of them didn't check newly introduced uid or cpu list. Add and use three of helper functions to treat them properly. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-7-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 +--- tools/perf/builtin-stat.c | 12 ++++++------ tools/perf/builtin-top.c | 2 +- tools/perf/util/evlist.c | 10 ++++------ tools/perf/util/evsel.c | 8 ++++---- tools/perf/util/target.h | 15 +++++++++++++++ 6 files changed, 31 insertions(+), 20 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c8bf6ea000da..42e24149c791 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -843,9 +843,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && !rec->opts.target.pid && !rec->opts.target.tid && - !rec->opts.target.system_wide && !rec->opts.target.cpu_list && - !rec->opts.target.uid_str) + if (!argc && perf_target__none(&rec->opts.target)) usage_with_options(record_usage, record_options); if (rec->force && rec->append_file) { diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index bb7723221c0d..d9ff24637eeb 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -290,10 +290,10 @@ static int create_perf_stat_counter(struct perf_evsel *evsel, attr->inherit = !no_inherit; - if (target.system_wide) + if (!perf_target__no_cpu(&target)) return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group, group_fd); - if (!target.pid && !target.tid && (!group || evsel == first)) { + if (perf_target__no_task(&target) && (!group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -443,7 +443,7 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } - if (!target.tid && !target.pid && !target.system_wide) + if (perf_target__none(&target)) evsel_list->threads->map[0] = child_pid; /* @@ -965,7 +965,7 @@ static void print_stat(int argc, const char **argv) if (!csv_output) { fprintf(output, "\n"); fprintf(output, " Performance counter stats for "); - if (!target.pid && !target.tid) { + if (perf_target__no_task(&target)) { fprintf(output, "\'%s", argv[0]); for (i = 1; i < argc; i++) fprintf(output, " %s", argv[i]); @@ -1187,13 +1187,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) } else if (big_num_opt == 0) /* User passed --no-big-num */ big_num = false; - if (!argc && !target.pid && !target.tid) + if (!argc && perf_target__no_task(&target)) usage_with_options(stat_usage, options); if (run_count <= 0) usage_with_options(stat_usage, options); /* no_aggr, cgroup are for system-wide only */ - if ((no_aggr || nr_cgroups) && !target.system_wide) { + if ((no_aggr || nr_cgroups) && perf_target__no_cpu(&target)) { fprintf(stderr, "both cgroup and no-aggregation " "modes only available in system-wide mode\n"); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 7ba0f03c0132..e4ca827f6879 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1016,7 +1016,7 @@ static int __cmd_top(struct perf_top *top) if (ret) goto out_delete; - if (top->target.tid || top->target.uid != UINT_MAX) + if (!perf_target__no_task(&top->target)) perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, perf_event__process, &top->session->host_machine); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 183b199b0d09..1201daf71719 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -609,12 +609,10 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, if (evlist->threads == NULL) return -1; - if (target->uid != UINT_MAX || target->tid) - evlist->cpus = cpu_map__dummy_new(); - else if (!target->system_wide && target->cpu_list == NULL) - evlist->cpus = cpu_map__dummy_new(); - else + if (!perf_target__no_cpu(target)) evlist->cpus = cpu_map__new(target->cpu_list); + else + evlist->cpus = cpu_map__dummy_new(); if (evlist->cpus == NULL) goto out_delete_threads; @@ -831,7 +829,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, exit(-1); } - if (!opts->target.system_wide && !opts->target.tid && !opts->target.pid) + if (perf_target__none(&opts->target)) evlist->threads->map[0] = evlist->workload.pid; close(child_ready_pipe[1]); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index bb785a098ced..21eaab240396 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -114,8 +114,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->sample_type |= PERF_SAMPLE_PERIOD; if (!opts->sample_id_all_missing && - (opts->sample_time || opts->target.system_wide || - !opts->no_inherit || opts->target.cpu_list)) + (opts->sample_time || !opts->no_inherit || + !perf_target__no_cpu(&opts->target))) attr->sample_type |= PERF_SAMPLE_TIME; if (opts->raw_samples) { @@ -136,8 +136,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (!opts->target.pid && !opts->target.tid && - !opts->target.system_wide && (!opts->group || evsel == first)) { + if (perf_target__none(&opts->target) && + (!opts->group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index 6fcd01c440a9..127cff3f8ced 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -46,4 +46,19 @@ enum perf_target_errno perf_target__parse_uid(struct perf_target *target); int perf_target__strerror(struct perf_target *target, int errnum, char *buf, size_t buflen); +static inline bool perf_target__no_task(struct perf_target *target) +{ + return !target->pid && !target->tid && !target->uid_str; +} + +static inline bool perf_target__no_cpu(struct perf_target *target) +{ + return !target->system_wide && !target->cpu_list; +} + +static inline bool perf_target__none(struct perf_target *target) +{ + return perf_target__no_task(target) && perf_target__no_cpu(target); +} + #endif /* _PERF_TARGET_H */ -- cgit v1.2.3-59-g8ed1b From 77a6f014e9ae330c747c66bebfddf29abf9b89e9 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 7 May 2012 14:09:04 +0900 Subject: perf stat: Use perf_evlist__create_maps Use same function with perf record and top to share the code checks combinations of different switches. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-8-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-stat.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index d9ff24637eeb..e720ba7b801e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -175,7 +175,9 @@ static struct perf_event_attr very_very_detailed_attrs[] = { static struct perf_evlist *evsel_list; -static struct perf_target target; +static struct perf_target target = { + .uid = UINT_MAX, +}; static int run_idx = 0; static int run_count = 1; @@ -1205,20 +1207,12 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) perf_target__validate(&target); - evsel_list->threads = thread_map__new_str(target.pid, - target.tid, UINT_MAX); - if (evsel_list->threads == NULL) { - pr_err("Problems finding threads of monitor\n"); - usage_with_options(stat_usage, options); - } - - if (target.system_wide) - evsel_list->cpus = cpu_map__new(target.cpu_list); - else - evsel_list->cpus = cpu_map__dummy_new(); + if (perf_evlist__create_maps(evsel_list, &target) < 0) { + if (!perf_target__no_task(&target)) + pr_err("Problems finding threads of monitor\n"); + if (!perf_target__no_cpu(&target)) + perror("failed to parse CPUs map"); - if (evsel_list->cpus == NULL) { - perror("failed to parse CPUs map"); usage_with_options(stat_usage, options); return -1; } -- cgit v1.2.3-59-g8ed1b From 5417072bf6b17eaa31f21f12906f381f148b5200 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 7 May 2012 18:54:16 -0300 Subject: perf annotate browser: Do raw printing in 'o'ffset in a single place Instead of doing the same in all ins scnprintf methods. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-8mfairi2n1nentoa852alazv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 6 +----- tools/perf/util/annotate.c | 33 +++++++++++++++++++++++++-------- tools/perf/util/annotate.h | 4 +++- 3 files changed, 29 insertions(+), 14 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index b94da57471f6..f171b4627cb1 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -125,9 +125,6 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro } else { slsmg_write_nstring(" ", 2); } - - dl->ins->ops->scnprintf(dl->ins, bf, sizeof(bf), &dl->ops, - !ab->use_offset); } else { if (strcmp(dl->name, "retq")) { slsmg_write_nstring(" ", 2); @@ -135,10 +132,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro ui_browser__write_graph(self, SLSMG_LARROW_CHAR); SLsmg_write_char(' '); } - - scnprintf(bf, sizeof(bf), "%-6.6s %s", dl->name, dl->ops.raw); } + disasm_line__scnprintf(dl, bf, sizeof(bf), !ab->use_offset); slsmg_write_nstring(bf, width - 10 - printed); } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 5eb34123f55b..0905db4390c1 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -18,6 +18,21 @@ const char *disassembler_style; +static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); +} + +int ins__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + if (ins->ops->scnprintf) + return ins->ops->scnprintf(ins, bf, size, ops); + + return ins__raw_scnprintf(ins, bf, size, ops); +} + static int call__parse(struct ins_operands *ops) { char *endptr, *tok, *name; @@ -50,11 +65,8 @@ indirect_call: } static int call__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops, bool addrs) + struct ins_operands *ops) { - if (addrs) - return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); - if (ops->target.name) return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); @@ -86,11 +98,8 @@ static int jump__parse(struct ins_operands *ops) } static int jump__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops, bool addrs) + struct ins_operands *ops) { - if (addrs) - return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); - return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); } @@ -296,6 +305,14 @@ void disasm_line__free(struct disasm_line *dl) free(dl); } +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) +{ + if (raw || !dl->ins) + return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); + + return ins__scnprintf(dl->ins, bf, size, &dl->ops); +} + static void disasm__add(struct list_head *head, struct disasm_line *line) { list_add_tail(&line->node, head); diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 13a21f10dabb..bb0a9f27165b 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -22,7 +22,7 @@ struct ins_operands { struct ins_ops { int (*parse)(struct ins_operands *ops); int (*scnprintf)(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops, bool addrs); + struct ins_operands *ops); }; struct ins { @@ -32,6 +32,7 @@ struct ins { bool ins__is_jump(const struct ins *ins); bool ins__is_call(const struct ins *ins); +int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops); struct disasm_line { struct list_head node; @@ -49,6 +50,7 @@ static inline bool disasm_line__has_offset(const struct disasm_line *dl) void disasm_line__free(struct disasm_line *dl); struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw); size_t disasm__fprintf(struct list_head *head, FILE *fp); struct sym_hist { -- cgit v1.2.3-59-g8ed1b From b9818e93759c30c8942391f4f5fadaa36659ee33 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 7 May 2012 18:57:02 -0300 Subject: perf annotate browser: Compact 'nop' output Just suppress the nop operands, future infrastructure that will record the instruction lenght (and its contents) in struct ins will allow rendering them as nopN, i.e. nop5 for a 5-byte nop. Suggested-by: Linus Torvalds Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-qddbeglfzqdlal8vj2yaj67y@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 0905db4390c1..6b4146b40a20 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -113,6 +113,16 @@ bool ins__is_jump(const struct ins *ins) return ins->ops == &jump_ops; } +static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size, + struct ins_operands *ops __used) +{ + return scnprintf(bf, size, "%-6.6s", "nop"); +} + +static struct ins_ops nop_ops = { + .scnprintf = nop__scnprintf, +}; + /* * Must be sorted by name! */ @@ -154,6 +164,9 @@ static struct ins instructions[] = { { .name = "jrcxz", .ops = &jump_ops, }, { .name = "js", .ops = &jump_ops, }, { .name = "jz", .ops = &jump_ops, }, + { .name = "nop", .ops = &nop_ops, }, + { .name = "nopl", .ops = &nop_ops, }, + { .name = "nopw", .ops = &nop_ops, }, }; static int ins__cmp(const void *name, const void *insp) -- cgit v1.2.3-59-g8ed1b From 80eebd94d2090cf9e13ecdc305a0cf7996fa0070 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 8 May 2012 10:47:09 -0300 Subject: perf top: Default to system wide using perf_target methods Additionally we were not checking if a cpu list had been provided by the user. Fix that. Reported-by: David Ahern Reported-by: Namhyung Kim Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-ao3zrouylwmt7h9ikj0krubi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e4ca827f6879..c53cdab61433 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1270,8 +1270,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) goto out_delete_evlist; } - if (top.target.tid == 0 && top.target.pid == 0 && - top.target.uid_str == NULL) + if (perf_target__none(&top.target)) top.target.system_wide = true; if (perf_evlist__create_maps(top.evlist, &top.target) < 0) -- cgit v1.2.3-59-g8ed1b From 04480d01105324dc5b77ca3fbdf85037a7d80dbb Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 2 May 2012 13:37:07 +0200 Subject: perf report: Fix format string for x86-32 compilation Using PRIu64 for printing out u64 nr_events to fix compilation for x86 32 bits. Cc: Arun Sharma Cc: Corey Ashford Cc: Cyrill Gorcunov Cc: Frank C. Eigler Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Masami Hiramatsu Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Robert Richter Cc: Stephane Eranian Cc: Tom Zanussi Cc: Ulrich Drepper Link: http://lkml.kernel.org/r/1335958638-5160-7-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 5df829f5bbf4..74776558ddfb 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -304,7 +304,7 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self, if (evname != NULL) ret += fprintf(fp, " of event '%s'", evname); - ret += fprintf(fp, "\n# Event count (approx.): %lu", nr_events); + ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); return ret + fprintf(fp, "\n#\n"); } -- cgit v1.2.3-59-g8ed1b From 028d455b12719a48b1c4b51ce07a074135726f8f Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 8 May 2012 09:28:57 -0600 Subject: perf record: Fix fallback to cpu-clock on ppc perf-record on PPC is not falling back to cpu-clock: $ perf record -ag -fo /tmp/perf.data -- sleep 1 Error: sys_perf_event_open() syscall returned with 6 (No such device or address). /bin/dmesg may provide additional information. Fatal: No CONFIG_PERF_EVENTS=y kernel support configured? The problem is that until 2.6.37 (behavior changed with commit b0a873e) perf on PPC returns ENXIO when hw_perf_event_init() fails. With this patch we get the expected behavior: $ perf record -ag -fo /tmp/perf.data -v -- sleep 1 Old kernel, cannot exclude guest or host samples. The cycles event is not supported, trying to fall back to cpu-clock-ticks [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.151 MB /tmp/perf.data (~6592 samples) ] Signed-off-by: David Ahern Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336490937-57106-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 42e24149c791..1a9098c697b4 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -242,9 +242,13 @@ try_again: /* * If it's cycles then fall back to hrtimer * based cpu-clock-tick sw counter, which - * is always available even if no PMU support: + * is always available even if no PMU support. + * + * PPC returns ENXIO until 2.6.37 (behavior changed + * with commit b0a873e). */ - if (err == ENOENT && attr->type == PERF_TYPE_HARDWARE + if ((err == ENOENT || err == ENXIO) + && attr->type == PERF_TYPE_HARDWARE && attr->config == PERF_COUNT_HW_CPU_CYCLES) { if (verbose) -- cgit v1.2.3-59-g8ed1b From 979987a567d9e666fe719f337409b2fbb6418f5f Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 8 May 2012 09:29:16 -0600 Subject: perf stat: handle ENXIO error for perf_event_open perf stat on PPC currently fails to run: $ perf stat -- sleep 1 Error: open_counter returned with 6 (No such device or address). /bin/dmesg may provide additional information. Fatal: Not all events could be opened. The problem is that until 2.6.37 (behavior changed with commit b0a873e) perf on PPC returns ENXIO when hw_perf_event_init() fails. With this patch we get the expected behavior: $ perf stat -v -- sleep 1 cycles event is not supported by the kernel. stalled-cycles-frontend event is not supported by the kernel. stalled-cycles-backend event is not supported by the kernel. instructions event is not supported by the kernel. branches event is not supported by the kernel. branch-misses event is not supported by the kernel. ... Signed-off-by: David Ahern Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336490956-57145-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-stat.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index e720ba7b801e..d0605689bad9 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -462,8 +462,13 @@ static int run_perf_stat(int argc __used, const char **argv) list_for_each_entry(counter, &evsel_list->entries, node) { if (create_perf_stat_counter(counter, first) < 0) { + /* + * PPC returns ENXIO for HW counters until 2.6.37 + * (behavior changed with commit b0a873e). + */ if (errno == EINVAL || errno == ENOSYS || - errno == ENOENT || errno == EOPNOTSUPP) { + errno == ENOENT || errno == EOPNOTSUPP || + errno == ENXIO) { if (verbose) ui__warning("%s event is not supported by the kernel.\n", event_name(counter)); -- cgit v1.2.3-59-g8ed1b From 40491eaa46a693e8c6ef94102350a747c63e584d Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 8 May 2012 10:49:49 -0600 Subject: perf top: Update event name when falling back to cpu-clock The 'perf top' command falls back to cpu-clock if the H/W cycles event is not supported, but the event name is not updated leading to a misleading header: PerfTop: 8 irqs/sec kernel:75.0% exact: 0.0% [1000Hz cycles], ... Update the event name when the event type is changed so that the header displays correctly: PerfTop: 794 irqs/sec kernel:100.0% exact: 0.0% [1000Hz cpu-clock], ... Signed-off-by: David Ahern Link: http://lkml.kernel.org/r/1336495789-58420-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index c53cdab61433..4eb6171e143b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -948,6 +948,10 @@ try_again: attr->type = PERF_TYPE_SOFTWARE; attr->config = PERF_COUNT_SW_CPU_CLOCK; + if (counter->name) { + free(counter->name); + counter->name = strdup(event_name(counter)); + } goto try_again; } -- cgit v1.2.3-59-g8ed1b From d1cae34d6fda59391e1b06ac1642ef4a740ba3ef Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 8 May 2012 10:50:11 -0600 Subject: perf record: Reset event name when falling back to cpu-clock perf-record defaults to the H/W cycles event and if it is not supported falls back to cpu-clock. Reset the event name as well. Signed-off-by: David Ahern Link: http://lkml.kernel.org/r/1336495811-58461-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 1a9098c697b4..d19058a7b84c 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -256,6 +256,10 @@ try_again: "trying to fall back to cpu-clock-ticks\n"); attr->type = PERF_TYPE_SOFTWARE; attr->config = PERF_COUNT_SW_CPU_CLOCK; + if (pos->name) { + free(pos->name); + pos->name = NULL; + } goto try_again; } -- cgit v1.2.3-59-g8ed1b From f6c1be2711333b40d7940ff87e3509b4cd278195 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 8 May 2012 15:01:19 -0600 Subject: perf annotate: shorten helpline so it fits in visible space Additional toggles have pushed the help line out of view on a modestly sized terminal (120 columns wide). Shorten it to just reminders. Signed-off-by: David Ahern Link: http://lkml.kernel.org/r/1336510879-64610-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/annotate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4db5186472b5..a299290d0460 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -491,9 +491,9 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, struct map_symbol *ms = self->b.priv; struct symbol *sym = ms->sym; const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, " - "H: Go to hottest line, ->/ENTER: Line action, " - "O: Toggle offset view, " - "S: Toggle source code view"; + "H: Hottest line, ->/ENTER: Line action, " + "O: Offset view, " + "S: Source view"; int key; if (ui_browser__show(&self->b, sym->name, help) < 0) -- cgit v1.2.3-59-g8ed1b From 5a5626b1b4bf8467891c9297ffda979db97ed5ec Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 9 May 2012 12:21:22 -0300 Subject: perf hists browser: Use '/' for search/filter instead of 's' That is what is used in vi and mutt, and as well on the 'annotate' browser. Eventually we can have keymappings to make people used to other key associations more confortable. Suggested-by: Ingo Molnar Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-fyln9286b8gx5q4n277l0djs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/hists.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 466827e91b87..a372a4b02635 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -941,7 +941,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, goto zoom_dso; case 't': goto zoom_thread; - case 's': + case '/': if (ui_browser__input_window("Symbol to show", "Please enter the name of symbol you want to see", buf, "ENTER: OK, ESC: Cancel", @@ -969,7 +969,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "E Expand all callchains\n" "d Zoom into current DSO\n" "t Zoom into current Thread\n" - "s Filter symbol by name"); + "/ Filter symbol by name"); continue; case K_ENTER: case K_RIGHT: -- cgit v1.2.3-59-g8ed1b From 225466f1c2d816c33b4341008f45dfdc83a9f0cb Mon Sep 17 00:00:00 2001 From: Srikar Dronamraju Date: Mon, 16 Apr 2012 17:39:09 +0530 Subject: perf probe: Provide perf interface for uprobes - Enhances perf to probe user space executables and libraries. - Enhances -F/--funcs option of "perf probe" to list possible probe points in an executable file or library. - Documents userspace probing support in perf. [ Probing a function in the executable using function name ] perf probe -x /bin/zsh zfree [ Probing a library function using function name ] perf probe -x /lib64/libc.so.6 malloc [ list probe-able functions in an executable ] perf probe -F -x /bin/zsh [ list probe-able functions in an library] perf probe -F -x /lib/libc.so.6 Signed-off-by: Srikar Dronamraju Cc: Ananth N Mavinakayanahalli Cc: Andi Kleen Cc: Andrew Morton Cc: Anton Arapov Cc: Christoph Hellwig Cc: Ingo Molnar Cc: Jim Keniston Cc: Linus Torvalds Cc: Linux-mm Cc: Masami Hiramatsu Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20120416120909.30661.99781.sendpatchset@srdronam.in.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-probe.txt | 15 +- tools/perf/builtin-probe.c | 43 +++- tools/perf/util/probe-event.c | 422 +++++++++++++++++++++++++------- tools/perf/util/probe-event.h | 12 +- tools/perf/util/symbol.c | 8 + tools/perf/util/symbol.h | 1 + 6 files changed, 403 insertions(+), 98 deletions(-) (limited to 'tools') diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index 2780d9ce48bf..fb673bef4798 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -77,7 +77,8 @@ OPTIONS -F:: --funcs:: - Show available functions in given module or kernel. + Show available functions in given module or kernel. With -x/--exec, + can also list functions in a user space executable / shared library. --filter=FILTER:: (Only for --vars and --funcs) Set filter. FILTER is a combination of glob @@ -98,6 +99,11 @@ OPTIONS --max-probes:: Set the maximum number of probe points for an event. Default is 128. +-x:: +--exec=PATH:: + Specify path to the executable or shared library file for user + space tracing. Can also be used with --funcs option. + PROBE SYNTAX ------------ Probe points are defined by following syntax. @@ -182,6 +188,13 @@ Delete all probes on schedule(). ./perf probe --del='schedule*' +Add probes at zfree() function on /bin/zsh + + ./perf probe -x /bin/zsh zfree + +Add probes at malloc() function on libc + + ./perf probe -x /lib/libc.so.6 malloc SEE ALSO -------- diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 4935c09dd5b5..ee3d84a7c895 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -54,6 +54,7 @@ static struct { bool show_ext_vars; bool show_funcs; bool mod_events; + bool uprobes; int nevents; struct perf_probe_event events[MAX_PROBES]; struct strlist *dellist; @@ -75,6 +76,8 @@ static int parse_probe_event(const char *str) return -1; } + pev->uprobes = params.uprobes; + /* Parse a perf-probe command into event */ ret = parse_perf_probe_command(str, pev); pr_debug("%d arguments\n", pev->nargs); @@ -125,6 +128,28 @@ static int opt_del_probe_event(const struct option *opt __used, return 0; } +static int opt_set_target(const struct option *opt, const char *str, + int unset __used) +{ + int ret = -ENOENT; + + if (str && !params.target) { + if (!strcmp(opt->long_name, "exec")) + params.uprobes = true; +#ifdef DWARF_SUPPORT + else if (!strcmp(opt->long_name, "module")) + params.uprobes = false; +#endif + else + return ret; + + params.target = str; + ret = 0; + } + + return ret; +} + #ifdef DWARF_SUPPORT static int opt_show_lines(const struct option *opt __used, const char *str, int unset __used) @@ -246,9 +271,9 @@ static const struct option options[] = { "file", "vmlinux pathname"), OPT_STRING('s', "source", &symbol_conf.source_prefix, "directory", "path to kernel source"), - OPT_STRING('m', "module", ¶ms.target, - "modname|path", - "target module name (for online) or path (for offline)"), + OPT_CALLBACK('m', "module", NULL, "modname|path", + "target module name (for online) or path (for offline)", + opt_set_target), #endif OPT__DRY_RUN(&probe_event_dry_run), OPT_INTEGER('\0', "max-probes", ¶ms.max_probe_points, @@ -260,6 +285,8 @@ static const struct option options[] = { "\t\t\t(default: \"" DEFAULT_VAR_FILTER "\" for --vars,\n" "\t\t\t \"" DEFAULT_FUNC_FILTER "\" for --funcs)", opt_set_filter), + OPT_CALLBACK('x', "exec", NULL, "executable|path", + "target executable name or path", opt_set_target), OPT_END() }; @@ -310,6 +337,10 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) pr_err(" Error: Don't use --list with --funcs.\n"); usage_with_options(probe_usage, options); } + if (params.uprobes) { + pr_warning(" Error: Don't use --list with --exec.\n"); + usage_with_options(probe_usage, options); + } ret = show_perf_probe_events(); if (ret < 0) pr_err(" Error: Failed to show event list. (%d)\n", @@ -333,8 +364,8 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) if (!params.filter) params.filter = strfilter__new(DEFAULT_FUNC_FILTER, NULL); - ret = show_available_funcs(params.target, - params.filter); + ret = show_available_funcs(params.target, params.filter, + params.uprobes); strfilter__delete(params.filter); if (ret < 0) pr_err(" Error: Failed to show functions." @@ -343,7 +374,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) } #ifdef DWARF_SUPPORT - if (params.show_lines) { + if (params.show_lines && !params.uprobes) { if (params.mod_events) { pr_err(" Error: Don't use --line with" " --add/--del.\n"); diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 8a8ee64e72d1..59dccc98b554 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -44,6 +44,7 @@ #include "trace-event.h" /* For __unused */ #include "probe-event.h" #include "probe-finder.h" +#include "session.h" #define MAX_CMDLEN 256 #define MAX_PROBE_ARGS 128 @@ -70,6 +71,8 @@ static int e_snprintf(char *str, size_t size, const char *format, ...) } static char *synthesize_perf_probe_point(struct perf_probe_point *pp); +static int convert_name_to_addr(struct perf_probe_event *pev, + const char *exec); static struct machine machine; /* Initialize symbol maps and path of vmlinux/modules */ @@ -170,6 +173,34 @@ const char *kernel_get_module_path(const char *module) return (dso) ? dso->long_name : NULL; } +static int init_user_exec(void) +{ + int ret = 0; + + symbol_conf.try_vmlinux_path = false; + symbol_conf.sort_by_name = true; + ret = symbol__init(); + + if (ret < 0) + pr_debug("Failed to init symbol map.\n"); + + return ret; +} + +static int convert_to_perf_probe_point(struct probe_trace_point *tp, + struct perf_probe_point *pp) +{ + pp->function = strdup(tp->symbol); + + if (pp->function == NULL) + return -ENOMEM; + + pp->offset = tp->offset; + pp->retprobe = tp->retprobe; + + return 0; +} + #ifdef DWARF_SUPPORT /* Open new debuginfo of given module */ static struct debuginfo *open_debuginfo(const char *module) @@ -224,10 +255,7 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, if (ret <= 0) { pr_debug("Failed to find corresponding probes from " "debuginfo. Use kprobe event information.\n"); - pp->function = strdup(tp->symbol); - if (pp->function == NULL) - return -ENOMEM; - pp->offset = tp->offset; + return convert_to_perf_probe_point(tp, pp); } pp->retprobe = tp->retprobe; @@ -275,9 +303,20 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, int max_tevs, const char *target) { bool need_dwarf = perf_probe_event_need_dwarf(pev); - struct debuginfo *dinfo = open_debuginfo(target); + struct debuginfo *dinfo; int ntevs, ret = 0; + if (pev->uprobes) { + if (need_dwarf) { + pr_warning("Debuginfo-analysis is not yet supported" + " with -x/--exec option.\n"); + return -ENOSYS; + } + return convert_name_to_addr(pev, target); + } + + dinfo = open_debuginfo(target); + if (!dinfo) { if (need_dwarf) { pr_warning("Failed to open debuginfo file.\n"); @@ -603,23 +642,22 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, pr_err("Failed to find symbol %s in kernel.\n", tp->symbol); return -ENOENT; } - pp->function = strdup(tp->symbol); - if (pp->function == NULL) - return -ENOMEM; - pp->offset = tp->offset; - pp->retprobe = tp->retprobe; - return 0; + return convert_to_perf_probe_point(tp, pp); } static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs __unused, - int max_tevs __unused, const char *mod __unused) + int max_tevs __unused, const char *target) { if (perf_probe_event_need_dwarf(pev)) { pr_warning("Debuginfo-analysis is not supported.\n"); return -ENOSYS; } + + if (pev->uprobes) + return convert_name_to_addr(pev, target); + return 0; } @@ -1341,11 +1379,18 @@ char *synthesize_probe_trace_command(struct probe_trace_event *tev) if (buf == NULL) return NULL; - len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s %s%s%s+%lu", - tp->retprobe ? 'r' : 'p', - tev->group, tev->event, - tp->module ?: "", tp->module ? ":" : "", - tp->symbol, tp->offset); + if (tev->uprobes) + len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s %s:%s", + tp->retprobe ? 'r' : 'p', + tev->group, tev->event, + tp->module, tp->symbol); + else + len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s %s%s%s+%lu", + tp->retprobe ? 'r' : 'p', + tev->group, tev->event, + tp->module ?: "", tp->module ? ":" : "", + tp->symbol, tp->offset); + if (len <= 0) goto error; @@ -1364,7 +1409,7 @@ error: } static int convert_to_perf_probe_event(struct probe_trace_event *tev, - struct perf_probe_event *pev) + struct perf_probe_event *pev, bool is_kprobe) { char buf[64] = ""; int i, ret; @@ -1376,7 +1421,11 @@ static int convert_to_perf_probe_event(struct probe_trace_event *tev, return -ENOMEM; /* Convert trace_point to probe_point */ - ret = kprobe_convert_to_perf_probe(&tev->point, &pev->point); + if (is_kprobe) + ret = kprobe_convert_to_perf_probe(&tev->point, &pev->point); + else + ret = convert_to_perf_probe_point(&tev->point, &pev->point); + if (ret < 0) return ret; @@ -1472,7 +1521,26 @@ static void clear_probe_trace_event(struct probe_trace_event *tev) memset(tev, 0, sizeof(*tev)); } -static int open_kprobe_events(bool readwrite) +static void print_warn_msg(const char *file, bool is_kprobe) +{ + + if (errno == ENOENT) { + const char *config; + + if (!is_kprobe) + config = "CONFIG_UPROBE_EVENTS"; + else + config = "CONFIG_KPROBE_EVENTS"; + + pr_warning("%s file does not exist - please rebuild kernel" + " with %s.\n", file, config); + } else + pr_warning("Failed to open %s file: %s\n", file, + strerror(errno)); +} + +static int open_probe_events(const char *trace_file, bool readwrite, + bool is_kprobe) { char buf[PATH_MAX]; const char *__debugfs; @@ -1484,27 +1552,31 @@ static int open_kprobe_events(bool readwrite) return -ENOENT; } - ret = e_snprintf(buf, PATH_MAX, "%stracing/kprobe_events", __debugfs); + ret = e_snprintf(buf, PATH_MAX, "%s/%s", __debugfs, trace_file); if (ret >= 0) { pr_debug("Opening %s write=%d\n", buf, readwrite); if (readwrite && !probe_event_dry_run) ret = open(buf, O_RDWR, O_APPEND); else ret = open(buf, O_RDONLY, 0); - } - if (ret < 0) { - if (errno == ENOENT) - pr_warning("kprobe_events file does not exist - please" - " rebuild kernel with CONFIG_KPROBE_EVENT.\n"); - else - pr_warning("Failed to open kprobe_events file: %s\n", - strerror(errno)); + if (ret < 0) + print_warn_msg(buf, is_kprobe); } return ret; } -/* Get raw string list of current kprobe_events */ +static int open_kprobe_events(bool readwrite) +{ + return open_probe_events("tracing/kprobe_events", readwrite, true); +} + +static int open_uprobe_events(bool readwrite) +{ + return open_probe_events("tracing/uprobe_events", readwrite, false); +} + +/* Get raw string list of current kprobe_events or uprobe_events */ static struct strlist *get_probe_trace_command_rawlist(int fd) { int ret, idx; @@ -1569,36 +1641,26 @@ static int show_perf_probe_event(struct perf_probe_event *pev) return ret; } -/* List up current perf-probe events */ -int show_perf_probe_events(void) +static int __show_perf_probe_events(int fd, bool is_kprobe) { - int fd, ret; + int ret = 0; struct probe_trace_event tev; struct perf_probe_event pev; struct strlist *rawlist; struct str_node *ent; - setup_pager(); - ret = init_vmlinux(); - if (ret < 0) - return ret; - memset(&tev, 0, sizeof(tev)); memset(&pev, 0, sizeof(pev)); - fd = open_kprobe_events(false); - if (fd < 0) - return fd; - rawlist = get_probe_trace_command_rawlist(fd); - close(fd); if (!rawlist) return -ENOENT; strlist__for_each(ent, rawlist) { ret = parse_probe_trace_command(ent->s, &tev); if (ret >= 0) { - ret = convert_to_perf_probe_event(&tev, &pev); + ret = convert_to_perf_probe_event(&tev, &pev, + is_kprobe); if (ret >= 0) ret = show_perf_probe_event(&pev); } @@ -1612,6 +1674,33 @@ int show_perf_probe_events(void) return ret; } +/* List up current perf-probe events */ +int show_perf_probe_events(void) +{ + int fd, ret; + + setup_pager(); + fd = open_kprobe_events(false); + + if (fd < 0) + return fd; + + ret = init_vmlinux(); + if (ret < 0) + return ret; + + ret = __show_perf_probe_events(fd, true); + close(fd); + + fd = open_uprobe_events(false); + if (fd >= 0) { + ret = __show_perf_probe_events(fd, false); + close(fd); + } + + return ret; +} + /* Get current perf-probe event names */ static struct strlist *get_probe_trace_event_names(int fd, bool include_group) { @@ -1717,7 +1806,11 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, const char *event, *group; struct strlist *namelist; - fd = open_kprobe_events(true); + if (pev->uprobes) + fd = open_uprobe_events(true); + else + fd = open_kprobe_events(true); + if (fd < 0) return fd; /* Get current event names */ @@ -1829,6 +1922,8 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev, tev->point.offset = pev->point.offset; tev->point.retprobe = pev->point.retprobe; tev->nargs = pev->nargs; + tev->uprobes = pev->uprobes; + if (tev->nargs) { tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs); @@ -1859,6 +1954,9 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev, } } + if (pev->uprobes) + return 1; + /* Currently just checking function name from symbol map */ sym = __find_kernel_function_by_name(tev->point.symbol, NULL); if (!sym) { @@ -1894,12 +1992,18 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, int i, j, ret; struct __event_package *pkgs; + ret = 0; pkgs = zalloc(sizeof(struct __event_package) * npevs); + if (pkgs == NULL) return -ENOMEM; - /* Init vmlinux path */ - ret = init_vmlinux(); + if (!pevs->uprobes) + /* Init vmlinux path */ + ret = init_vmlinux(); + else + ret = init_user_exec(); + if (ret < 0) { free(pkgs); return ret; @@ -1971,23 +2075,15 @@ error: return ret; } -static int del_trace_probe_event(int fd, const char *group, - const char *event, struct strlist *namelist) +static int del_trace_probe_event(int fd, const char *buf, + struct strlist *namelist) { - char buf[128]; struct str_node *ent, *n; - int found = 0, ret = 0; - - ret = e_snprintf(buf, 128, "%s:%s", group, event); - if (ret < 0) { - pr_err("Failed to copy event.\n"); - return ret; - } + int ret = -1; if (strpbrk(buf, "*?")) { /* Glob-exp */ strlist__for_each_safe(ent, n, namelist) if (strglobmatch(ent->s, buf)) { - found++; ret = __del_trace_probe_event(fd, ent); if (ret < 0) break; @@ -1996,40 +2092,43 @@ static int del_trace_probe_event(int fd, const char *group, } else { ent = strlist__find(namelist, buf); if (ent) { - found++; ret = __del_trace_probe_event(fd, ent); if (ret >= 0) strlist__remove(namelist, ent); } } - if (found == 0 && ret >= 0) - pr_info("Info: Event \"%s\" does not exist.\n", buf); return ret; } int del_perf_probe_events(struct strlist *dellist) { - int fd, ret = 0; + int ret = -1, ufd = -1, kfd = -1; + char buf[128]; const char *group, *event; char *p, *str; struct str_node *ent; - struct strlist *namelist; - - fd = open_kprobe_events(true); - if (fd < 0) - return fd; + struct strlist *namelist = NULL, *unamelist = NULL; /* Get current event names */ - namelist = get_probe_trace_event_names(fd, true); - if (namelist == NULL) - return -EINVAL; + kfd = open_kprobe_events(true); + if (kfd < 0) + return kfd; + + namelist = get_probe_trace_event_names(kfd, true); + ufd = open_uprobe_events(true); + + if (ufd >= 0) + unamelist = get_probe_trace_event_names(ufd, true); + + if (namelist == NULL && unamelist == NULL) + goto error; strlist__for_each(ent, dellist) { str = strdup(ent->s); if (str == NULL) { ret = -ENOMEM; - break; + goto error; } pr_debug("Parsing: %s\n", str); p = strchr(str, ':'); @@ -2041,17 +2140,46 @@ int del_perf_probe_events(struct strlist *dellist) group = "*"; event = str; } + + ret = e_snprintf(buf, 128, "%s:%s", group, event); + if (ret < 0) { + pr_err("Failed to copy event."); + free(str); + goto error; + } + pr_debug("Group: %s, Event: %s\n", group, event); - ret = del_trace_probe_event(fd, group, event, namelist); + + if (namelist) + ret = del_trace_probe_event(kfd, buf, namelist); + + if (unamelist && ret != 0) + ret = del_trace_probe_event(ufd, buf, unamelist); + + if (ret != 0) + pr_info("Info: Event \"%s\" does not exist.\n", buf); + free(str); - if (ret < 0) - break; } - strlist__delete(namelist); - close(fd); + +error: + if (kfd >= 0) { + if (namelist) + strlist__delete(namelist); + + close(kfd); + } + + if (ufd >= 0) { + if (unamelist) + strlist__delete(unamelist); + + close(ufd); + } return ret; } + /* TODO: don't use a global variable for filter ... */ static struct strfilter *available_func_filter; @@ -2068,30 +2196,152 @@ static int filter_available_functions(struct map *map __unused, return 1; } -int show_available_funcs(const char *target, struct strfilter *_filter) +static int __show_available_funcs(struct map *map) +{ + if (map__load(map, filter_available_functions)) { + pr_err("Failed to load map.\n"); + return -EINVAL; + } + if (!dso__sorted_by_name(map->dso, map->type)) + dso__sort_by_name(map->dso, map->type); + + dso__fprintf_symbols_by_name(map->dso, map->type, stdout); + return 0; +} + +static int available_kernel_funcs(const char *module) { struct map *map; int ret; - setup_pager(); - ret = init_vmlinux(); if (ret < 0) return ret; - map = kernel_get_module_map(target); + map = kernel_get_module_map(module); if (!map) { - pr_err("Failed to find %s map.\n", (target) ? : "kernel"); + pr_err("Failed to find %s map.\n", (module) ? : "kernel"); return -EINVAL; } + return __show_available_funcs(map); +} + +static int available_user_funcs(const char *target) +{ + struct map *map; + int ret; + + ret = init_user_exec(); + if (ret < 0) + return ret; + + map = dso__new_map(target); + ret = __show_available_funcs(map); + dso__delete(map->dso); + map__delete(map); + return ret; +} + +int show_available_funcs(const char *target, struct strfilter *_filter, + bool user) +{ + setup_pager(); available_func_filter = _filter; + + if (!user) + return available_kernel_funcs(target); + + return available_user_funcs(target); +} + +/* + * uprobe_events only accepts address: + * Convert function and any offset to address + */ +static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec) +{ + struct perf_probe_point *pp = &pev->point; + struct symbol *sym; + struct map *map = NULL; + char *function = NULL, *name = NULL; + int ret = -EINVAL; + unsigned long long vaddr = 0; + + if (!pp->function) { + pr_warning("No function specified for uprobes"); + goto out; + } + + function = strdup(pp->function); + if (!function) { + pr_warning("Failed to allocate memory by strdup.\n"); + ret = -ENOMEM; + goto out; + } + + name = realpath(exec, NULL); + if (!name) { + pr_warning("Cannot find realpath for %s.\n", exec); + goto out; + } + map = dso__new_map(name); + if (!map) { + pr_warning("Cannot find appropriate DSO for %s.\n", exec); + goto out; + } + available_func_filter = strfilter__new(function, NULL); if (map__load(map, filter_available_functions)) { pr_err("Failed to load map.\n"); - return -EINVAL; + goto out; } - if (!dso__sorted_by_name(map->dso, map->type)) - dso__sort_by_name(map->dso, map->type); - dso__fprintf_symbols_by_name(map->dso, map->type, stdout); - return 0; + sym = map__find_symbol_by_name(map, function, NULL); + if (!sym) { + pr_warning("Cannot find %s in DSO %s\n", function, exec); + goto out; + } + + if (map->start > sym->start) + vaddr = map->start; + vaddr += sym->start + pp->offset + map->pgoff; + pp->offset = 0; + + if (!pev->event) { + pev->event = function; + function = NULL; + } + if (!pev->group) { + char *ptr1, *ptr2; + + pev->group = zalloc(sizeof(char *) * 64); + ptr1 = strdup(basename(exec)); + if (ptr1) { + ptr2 = strpbrk(ptr1, "-._"); + if (ptr2) + *ptr2 = '\0'; + e_snprintf(pev->group, 64, "%s_%s", PERFPROBE_GROUP, + ptr1); + free(ptr1); + } + } + free(pp->function); + pp->function = zalloc(sizeof(char *) * MAX_PROBE_ARGS); + if (!pp->function) { + ret = -ENOMEM; + pr_warning("Failed to allocate memory by zalloc.\n"); + goto out; + } + e_snprintf(pp->function, MAX_PROBE_ARGS, "0x%llx", vaddr); + ret = 0; + +out: + if (map) { + dso__delete(map->dso); + map__delete(map); + } + if (function) + free(function); + if (name) + free(name); + return ret; } diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index a7dee835f49c..f9f3de8b4220 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -7,7 +7,7 @@ extern bool probe_event_dry_run; -/* kprobe-tracer tracing point */ +/* kprobe-tracer and uprobe-tracer tracing point */ struct probe_trace_point { char *symbol; /* Base symbol */ char *module; /* Module name */ @@ -21,7 +21,7 @@ struct probe_trace_arg_ref { long offset; /* Offset value */ }; -/* kprobe-tracer tracing argument */ +/* kprobe-tracer and uprobe-tracer tracing argument */ struct probe_trace_arg { char *name; /* Argument name */ char *value; /* Base value */ @@ -29,12 +29,13 @@ struct probe_trace_arg { struct probe_trace_arg_ref *ref; /* Referencing offset */ }; -/* kprobe-tracer tracing event (point + arg) */ +/* kprobe-tracer and uprobe-tracer tracing event (point + arg) */ struct probe_trace_event { char *event; /* Event name */ char *group; /* Group name */ struct probe_trace_point point; /* Trace point */ int nargs; /* Number of args */ + bool uprobes; /* uprobes only */ struct probe_trace_arg *args; /* Arguments */ }; @@ -70,6 +71,7 @@ struct perf_probe_event { char *group; /* Group name */ struct perf_probe_point point; /* Probe point */ int nargs; /* Number of arguments */ + bool uprobes; struct perf_probe_arg *args; /* Arguments */ }; @@ -129,8 +131,8 @@ extern int show_line_range(struct line_range *lr, const char *module); extern int show_available_vars(struct perf_probe_event *pevs, int npevs, int max_probe_points, const char *module, struct strfilter *filter, bool externs); -extern int show_available_funcs(const char *module, struct strfilter *filter); - +extern int show_available_funcs(const char *module, struct strfilter *filter, + bool user); /* Maximum index number of event-name postfix */ #define MAX_EVENT_INDEX 1024 diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index c0a028c3ebaf..caaf75ad645a 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2784,3 +2784,11 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type, return ret; } + +struct map *dso__new_map(const char *name) +{ + struct dso *dso = dso__new(name); + struct map *map = map__new2(0, dso, MAP__FUNCTION); + + return map; +} diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 1f003884f1ab..5649d63798cb 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -242,6 +242,7 @@ void dso__set_long_name(struct dso *dso, char *name); void dso__set_build_id(struct dso *dso, void *build_id); void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine); +struct map *dso__new_map(const char *name); struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, -- cgit v1.2.3-59-g8ed1b From 73eff9f56e15598c8399c0b86899fd889b97f085 Mon Sep 17 00:00:00 2001 From: Srikar Dronamraju Date: Mon, 16 Apr 2012 17:39:25 +0530 Subject: perf probe: Detect probe target when m/x options are absent Options -m and -x explicitly allow tracing of modules / user space binaries. In absense of these options, check if the first argument can be used as a target. perf probe /bin/zsh zfree is equivalent to perf probe -x /bin/zsh zfree. Suggested-by: Arnaldo Carvalho de Melo Cc: Ananth N Mavinakayanahalli Cc: Andi Kleen Cc: Andrew Morton Cc: Anton Arapov Cc: Christoph Hellwig Cc: Ingo Molnar Cc: Jim Keniston Cc: Linus Torvalds Cc: Linux-mm Cc: Masami Hiramatsu Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20120416120925.30661.40409.sendpatchset@srdronam.in.ibm.com Signed-off-by: Srikar Dronamraju Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-probe.txt | 8 ++++-- tools/perf/builtin-probe.c | 43 ++++++++++++++++++++++++++++++--- 2 files changed, 46 insertions(+), 5 deletions(-) (limited to 'tools') diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index fb673bef4798..b715cb71592b 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -104,6 +104,10 @@ OPTIONS Specify path to the executable or shared library file for user space tracing. Can also be used with --funcs option. +In absence of -m/-x options, perf probe checks if the first argument after +the options is an absolute path name. If its an absolute path, perf probe +uses it as a target module/target user space binary to probe. + PROBE SYNTAX ------------ Probe points are defined by following syntax. @@ -190,11 +194,11 @@ Delete all probes on schedule(). Add probes at zfree() function on /bin/zsh - ./perf probe -x /bin/zsh zfree + ./perf probe -x /bin/zsh zfree or ./perf probe /bin/zsh zfree Add probes at malloc() function on libc - ./perf probe -x /lib/libc.so.6 malloc + ./perf probe -x /lib/libc.so.6 malloc or ./perf probe /lib/libc.so.6 malloc SEE ALSO -------- diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index ee3d84a7c895..e215ae61b2ae 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -85,21 +85,58 @@ static int parse_probe_event(const char *str) return ret; } +static int set_target(const char *ptr) +{ + int found = 0; + const char *buf; + + /* + * The first argument after options can be an absolute path + * to an executable / library or kernel module. + * + * TODO: Support relative path, and $PATH, $LD_LIBRARY_PATH, + * short module name. + */ + if (!params.target && ptr && *ptr == '/') { + params.target = ptr; + found = 1; + buf = ptr + (strlen(ptr) - 3); + + if (strcmp(buf, ".ko")) + params.uprobes = true; + + } + + return found; +} + static int parse_probe_event_argv(int argc, const char **argv) { - int i, len, ret; + int i, len, ret, found_target; char *buf; + found_target = set_target(argv[0]); + if (found_target && argc == 1) + return 0; + /* Bind up rest arguments */ len = 0; - for (i = 0; i < argc; i++) + for (i = 0; i < argc; i++) { + if (i == 0 && found_target) + continue; + len += strlen(argv[i]) + 1; + } buf = zalloc(len + 1); if (buf == NULL) return -ENOMEM; len = 0; - for (i = 0; i < argc; i++) + for (i = 0; i < argc; i++) { + if (i == 0 && found_target) + continue; + len += sprintf(&buf[len], "%s ", argv[i]); + } params.mod_events = true; ret = parse_probe_event(buf); free(buf); -- cgit v1.2.3-59-g8ed1b