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authorStephane Eranian <eranian@google.com>2012-03-08 23:47:48 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-09 08:26:08 +0100
commita68c2c58171391ef368fced32a555b2f0ff106e5 (patch)
tree9952e5bb45d3890e67f9f81ad704489d5a114d94 /tools/perf
parentperf report: Auto-detect branch stack sampling mode (diff)
downloadlinux-dev-a68c2c58171391ef368fced32a555b2f0ff106e5.tar.xz
linux-dev-a68c2c58171391ef368fced32a555b2f0ff106e5.zip
perf report: Enable TUI in branch view mode
This patch updates perf report to support TUI mode when the perf.data file contains samples with branch stacks. For each row in the report, it is possible to annotate either the source or target of each branch. Signed-off-by: Stephane Eranian <eranian@google.com> Cc: peterz@infradead.org Cc: acme@redhat.com Cc: asharma@fb.com Cc: ravitillo@lbl.gov Cc: vweaver1@eecs.utk.edu Cc: khandual@linux.vnet.ibm.com Cc: dsahern@gmail.com Link: http://lkml.kernel.org/r/1331246868-19905-5-git-send-email-eranian@google.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/builtin-report.c73
-rw-r--r--tools/perf/util/session.c1
-rw-r--r--tools/perf/util/sort.h6
-rw-r--r--tools/perf/util/symbol.h7
-rw-r--r--tools/perf/util/ui/browsers/hists.c62
5 files changed, 111 insertions, 38 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 66e852376a05..8e91c6eba18a 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -64,7 +64,7 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
int err = 0;
unsigned i;
struct hist_entry *he;
- struct branch_info *bi;
+ struct branch_info *bi, *bx;
if ((sort__has_parent || symbol_conf.use_callchain)
&& sample->callchain) {
@@ -87,13 +87,45 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
* and not events sampled. Thus we use a pseudo period of 1.
*/
he = __hists__add_branch_entry(&evsel->hists, al, parent,
- &bi[i], 1);
+ &bi[i], 1);
if (he) {
+ struct annotation *notes;
+ err = -ENOMEM;
+ bx = he->branch_info;
+ if (bx->from.sym && use_browser > 0) {
+ notes = symbol__annotation(bx->from.sym);
+ if (!notes->src
+ && symbol__alloc_hist(bx->from.sym) < 0)
+ goto out;
+
+ err = symbol__inc_addr_samples(bx->from.sym,
+ bx->from.map,
+ evsel->idx,
+ bx->from.al_addr);
+ if (err)
+ goto out;
+ }
+
+ if (bx->to.sym && use_browser > 0) {
+ notes = symbol__annotation(bx->to.sym);
+ if (!notes->src
+ && symbol__alloc_hist(bx->to.sym) < 0)
+ goto out;
+
+ err = symbol__inc_addr_samples(bx->to.sym,
+ bx->to.map,
+ evsel->idx,
+ bx->to.al_addr);
+ if (err)
+ goto out;
+ }
evsel->hists.stats.total_period += 1;
hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+ err = 0;
} else
return -ENOMEM;
}
+out:
return err;
}
@@ -615,32 +647,19 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
if (sort__branch_mode == -1 && has_br_stack)
sort__branch_mode = 1;
+ /* sort__branch_mode could be 0 if --no-branch-stack */
if (sort__branch_mode == 1) {
- if (use_browser)
- fprintf(stderr, "Warning: TUI interface not supported"
- " in branch mode\n");
- if (symbol_conf.dso_list_str != NULL)
- fprintf(stderr, "Warning: dso filtering not supported"
- " in branch mode\n");
- if (symbol_conf.sym_list_str != NULL)
- fprintf(stderr, "Warning: symbol filtering not"
- " supported in branch mode\n");
-
- report.use_stdio = true;
- use_browser = 0;
- setup_browser(true);
- symbol_conf.dso_list_str = NULL;
- symbol_conf.sym_list_str = NULL;
-
/*
- * if no sort_order is provided, then specify branch-mode
- * specific order
+ * if no sort_order is provided, then specify
+ * branch-mode specific order
*/
if (sort_order == default_sort_order)
sort_order = "comm,dso_from,symbol_from,"
"dso_to,symbol_to";
- } else if (strcmp(report.input_name, "-") != 0) {
+ }
+
+ if (strcmp(report.input_name, "-") != 0) {
setup_browser(true);
} else {
use_browser = 0;
@@ -696,9 +715,17 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
if (argc)
usage_with_options(report_usage, options);
- sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
- sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+
+ if (sort__branch_mode == 1) {
+ sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
+ sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
+ sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
+ sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
+ } else {
+ sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+ sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+ }
ret = __cmd_report(&report);
error:
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e650de8f4396..002ebbf59f48 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -263,6 +263,7 @@ static void ip__resolve_ams(struct machine *self, struct thread *thread,
}
found:
ams->addr = ip;
+ ams->al_addr = al.addr;
ams->sym = al.sym;
ams->map = al.map;
}
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 8505b9bcfa36..472aa5a63a58 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -37,8 +37,10 @@ extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
extern struct sort_entry sort_sym;
extern struct sort_entry sort_parent;
-extern struct sort_entry sort_lbr_dso;
-extern struct sort_entry sort_lbr_sym;
+extern struct sort_entry sort_dso_from;
+extern struct sort_entry sort_dso_to;
+extern struct sort_entry sort_sym_from;
+extern struct sort_entry sort_sym_to;
extern enum sort_type sort__first_dimension;
/**
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 5866ce6b9c02..ac49ef208a5f 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -97,7 +97,11 @@ struct symbol_conf {
*col_width_list_str;
struct strlist *dso_list,
*comm_list,
- *sym_list;
+ *sym_list,
+ *dso_from_list,
+ *dso_to_list,
+ *sym_from_list,
+ *sym_to_list;
const char *symfs;
};
@@ -125,6 +129,7 @@ struct addr_map_symbol {
struct map *map;
struct symbol *sym;
u64 addr;
+ u64 al_addr;
};
struct branch_info {
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index bfba0490c098..951e2e985c87 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -805,8 +805,11 @@ static struct hist_browser *hist_browser__new(struct hists *hists)
self->hists = hists;
self->b.refresh = hist_browser__refresh;
self->b.seek = ui_browser__hists_seek;
- self->b.use_navkeypressed = true,
- self->has_symbols = sort_sym.list.next != NULL;
+ self->b.use_navkeypressed = true;
+ if (sort__branch_mode == 1)
+ self->has_symbols = sort_sym_from.list.next != NULL;
+ else
+ self->has_symbols = sort_sym.list.next != NULL;
}
return self;
@@ -861,6 +864,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
{
struct hists *self = &evsel->hists;
struct hist_browser *browser = hist_browser__new(self);
+ struct branch_info *bi;
struct pstack *fstack;
int key = -1;
@@ -879,7 +883,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
char *options[16];
int nr_options = 0, choice = 0, i,
annotate = -2, zoom_dso = -2, zoom_thread = -2,
- browse_map = -2;
+ annotate_f = -2, annotate_t = -2, browse_map = -2;
key = hist_browser__run(browser, ev_name, timer, arg, delay_secs);
@@ -887,7 +891,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
thread = hist_browser__selected_thread(browser);
dso = browser->selection->map ? browser->selection->map->dso : NULL;
}
-
switch (key) {
case K_TAB:
case K_UNTAB:
@@ -902,7 +905,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
if (!browser->has_symbols) {
ui_browser__warning(&browser->b, delay_secs * 2,
"Annotation is only available for symbolic views, "
- "include \"sym\" in --sort to use it.");
+ "include \"sym*\" in --sort to use it.");
continue;
}
@@ -972,12 +975,32 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
if (!browser->has_symbols)
goto add_exit_option;
- if (browser->selection != NULL &&
- browser->selection->sym != NULL &&
- !browser->selection->map->dso->annotate_warned &&
- asprintf(&options[nr_options], "Annotate %s",
- browser->selection->sym->name) > 0)
- annotate = nr_options++;
+ if (sort__branch_mode == 1) {
+ bi = browser->he_selection->branch_info;
+ if (browser->selection != NULL &&
+ bi &&
+ bi->from.sym != NULL &&
+ !bi->from.map->dso->annotate_warned &&
+ asprintf(&options[nr_options], "Annotate %s",
+ bi->from.sym->name) > 0)
+ annotate_f = nr_options++;
+
+ if (browser->selection != NULL &&
+ bi &&
+ bi->to.sym != NULL &&
+ !bi->to.map->dso->annotate_warned &&
+ asprintf(&options[nr_options], "Annotate %s",
+ bi->to.sym->name) > 0)
+ annotate_t = nr_options++;
+ } else {
+
+ if (browser->selection != NULL &&
+ browser->selection->sym != NULL &&
+ !browser->selection->map->dso->annotate_warned &&
+ asprintf(&options[nr_options], "Annotate %s",
+ browser->selection->sym->name) > 0)
+ annotate = nr_options++;
+ }
if (thread != NULL &&
asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
@@ -1010,13 +1033,28 @@ add_exit_option:
if (choice == -1)
continue;
- if (choice == annotate) {
+ if (choice == annotate || choice == annotate_t || choice == annotate_f) {
struct hist_entry *he;
int err;
do_annotate:
he = hist_browser__selected_entry(browser);
if (he == NULL)
continue;
+
+ /*
+ * we stash the branch_info symbol + map into the
+ * the ms so we don't have to rewrite all the annotation
+ * code to use branch_info.
+ * in branch mode, the ms struct is not used
+ */
+ if (choice == annotate_f) {
+ he->ms.sym = he->branch_info->from.sym;
+ he->ms.map = he->branch_info->from.map;
+ } else if (choice == annotate_t) {
+ he->ms.sym = he->branch_info->to.sym;
+ he->ms.map = he->branch_info->to.map;
+ }
+
/*
* Don't let this be freed, say, by hists__decay_entry.
*/