diff options
Diffstat (limited to 'tools')
116 files changed, 4432 insertions, 2864 deletions
diff --git a/tools/Makefile b/tools/Makefile index 3ae43947a171..1f9a529fe544 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -31,44 +31,44 @@ help: @echo ' clean: a summary clean target to clean _all_ folders' cpupower: FORCE - $(QUIET_SUBDIR0)power/$@/ $(QUIET_SUBDIR1) + $(call descend,power/$@) firewire lguest perf usb virtio vm: FORCE - $(QUIET_SUBDIR0)$@/ $(QUIET_SUBDIR1) + $(call descend,$@) selftests: FORCE - $(QUIET_SUBDIR0)testing/$@/ $(QUIET_SUBDIR1) + $(call descend,testing/$@) turbostat x86_energy_perf_policy: FORCE - $(QUIET_SUBDIR0)power/x86/$@/ $(QUIET_SUBDIR1) + $(call descend,power/x86/$@) cpupower_install: - $(QUIET_SUBDIR0)power/$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,power/$(@:_install=),install) firewire_install lguest_install perf_install usb_install virtio_install vm_install: - $(QUIET_SUBDIR0)$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,$(@:_install=),install) selftests_install: - $(QUIET_SUBDIR0)testing/$(@:_clean=)/ $(QUIET_SUBDIR1) install + $(call descend,testing/$(@:_clean=),install) turbostat_install x86_energy_perf_policy_install: - $(QUIET_SUBDIR0)power/x86/$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,power/x86/$(@:_install=),install) install: cpupower_install firewire_install lguest_install perf_install \ selftests_install turbostat_install usb_install virtio_install \ vm_install x86_energy_perf_policy_install cpupower_clean: - $(QUIET_SUBDIR0)power/cpupower/ $(QUIET_SUBDIR1) clean + $(call descend,power/cpupower,clean) firewire_clean lguest_clean perf_clean usb_clean virtio_clean vm_clean: - $(QUIET_SUBDIR0)$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,$(@:_clean=),clean) selftests_clean: - $(QUIET_SUBDIR0)testing/$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,testing/$(@:_clean=),clean) turbostat_clean x86_energy_perf_policy_clean: - $(QUIET_SUBDIR0)power/x86/$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,power/x86/$(@:_clean=),clean) clean: cpupower_clean firewire_clean lguest_clean perf_clean selftests_clean \ turbostat_clean usb_clean virtio_clean vm_clean \ diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index f2989c525e48..5a824e355d04 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -174,7 +174,7 @@ static int cmdline_init(struct pevent *pevent) return 0; } -static char *find_cmdline(struct pevent *pevent, int pid) +static const char *find_cmdline(struct pevent *pevent, int pid) { const struct cmdline *comm; struct cmdline key; @@ -2637,7 +2637,7 @@ process_func_handler(struct event_format *event, struct pevent_function_handler struct print_arg *farg; enum event_type type; char *token; - char *test; + const char *test; int i; arg->type = PRINT_FUNC; @@ -3889,7 +3889,7 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size, struct event_format *event, struct print_arg *arg) { unsigned char *buf; - char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x"; + const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x"; if (arg->type == PRINT_FUNC) { process_defined_func(s, data, size, event, arg); @@ -3931,7 +3931,8 @@ static int is_printable_array(char *p, unsigned int len) return 1; } -static void print_event_fields(struct trace_seq *s, void *data, int size, +static void print_event_fields(struct trace_seq *s, void *data, + int size __maybe_unused, struct event_format *event) { struct format_field *field; @@ -4408,7 +4409,7 @@ void pevent_event_info(struct trace_seq *s, struct event_format *event, void pevent_print_event(struct pevent *pevent, struct trace_seq *s, struct pevent_record *record) { - static char *spaces = " "; /* 20 spaces */ + static const char *spaces = " "; /* 20 spaces */ struct event_format *event; unsigned long secs; unsigned long usecs; @@ -5070,8 +5071,8 @@ static const char * const pevent_error_str[] = { }; #undef _PE -int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum, - char *buf, size_t buflen) +int pevent_strerror(struct pevent *pevent __maybe_unused, + enum pevent_errno errnum, char *buf, size_t buflen) { int idx; const char *msg; @@ -5100,6 +5101,7 @@ int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum, case PEVENT_ERRNO__READ_FORMAT_FAILED: case PEVENT_ERRNO__READ_PRINT_FAILED: case PEVENT_ERRNO__OLD_FTRACE_ARG_FAILED: + case PEVENT_ERRNO__INVALID_ARG_TYPE: snprintf(buf, buflen, "%s", msg); break; @@ -5362,7 +5364,7 @@ int pevent_register_print_function(struct pevent *pevent, if (type == PEVENT_FUNC_ARG_VOID) break; - if (type < 0 || type >= PEVENT_FUNC_ARG_MAX_TYPES) { + if (type >= PEVENT_FUNC_ARG_MAX_TYPES) { do_warning("Invalid argument type %d", type); ret = PEVENT_ERRNO__INVALID_ARG_TYPE; goto out_free; @@ -5560,7 +5562,7 @@ void pevent_free(struct pevent *pevent) } if (pevent->func_map) { - for (i = 0; i < pevent->func_count; i++) { + for (i = 0; i < (int)pevent->func_count; i++) { free(pevent->func_map[i].func); free(pevent->func_map[i].mod); } @@ -5582,7 +5584,7 @@ void pevent_free(struct pevent *pevent) } if (pevent->printk_map) { - for (i = 0; i < pevent->printk_count; i++) + for (i = 0; i < (int)pevent->printk_count; i++) free(pevent->printk_map[i].printk); free(pevent->printk_map); } diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt index a39dbbb44c4c..8484c3a04a6a 100644 --- a/tools/perf/Documentation/android.txt +++ b/tools/perf/Documentation/android.txt @@ -48,7 +48,10 @@ For x86: II. Compile perf for Android ------------------------------------------------ You need to run make with the NDK toolchain and sysroot defined above: - make CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" +For arm: + make ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" +For x86: + make ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" III. Install perf ----------------------------------------------- diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 7e25f59e5e89..891bc77bdb2c 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -169,7 +169,35 @@ endif ### --- END CONFIGURATION SECTION --- -BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(shell pwd))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +#$(info Determined 'srctree' to be $(srctree)) +endif + +ifneq ($(objtree),) +#$(info Determined 'objtree' to be $(objtree)) +endif + +ifneq ($(OUTPUT),) +#$(info Determined 'OUTPUT' to be $(OUTPUT)) +endif + +BASIC_CFLAGS = \ + -Iutil/include \ + -Iarch/$(ARCH)/include \ + $(if $(objtree),-I$(objtree)/arch/$(ARCH)/include/generated/uapi) \ + -I$(srctree)/arch/$(ARCH)/include/uapi \ + -I$(srctree)/arch/$(ARCH)/include \ + $(if $(objtree),-I$(objtree)/include/generated/uapi) \ + -I$(srctree)/include/uapi \ + -I$(srctree)/include \ + -I$(OUTPUT)util \ + -Iutil \ + -I. \ + -I$(TRACE_EVENT_DIR) \ + -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE + BASIC_LDFLAGS = ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y) @@ -371,7 +399,6 @@ LIB_OBJS += $(OUTPUT)util/help.o LIB_OBJS += $(OUTPUT)util/levenshtein.o LIB_OBJS += $(OUTPUT)util/parse-options.o LIB_OBJS += $(OUTPUT)util/parse-events.o -LIB_OBJS += $(OUTPUT)util/parse-events-test.o LIB_OBJS += $(OUTPUT)util/path.o LIB_OBJS += $(OUTPUT)util/rbtree.o LIB_OBJS += $(OUTPUT)util/bitmap.o @@ -389,7 +416,6 @@ LIB_OBJS += $(OUTPUT)util/sigchain.o LIB_OBJS += $(OUTPUT)util/dso.o LIB_OBJS += $(OUTPUT)util/symbol.o LIB_OBJS += $(OUTPUT)util/symbol-elf.o -LIB_OBJS += $(OUTPUT)util/dso-test-data.o LIB_OBJS += $(OUTPUT)util/color.o LIB_OBJS += $(OUTPUT)util/pager.o LIB_OBJS += $(OUTPUT)util/header.o @@ -424,12 +450,29 @@ LIB_OBJS += $(OUTPUT)util/intlist.o LIB_OBJS += $(OUTPUT)util/vdso.o LIB_OBJS += $(OUTPUT)util/stat.o +LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/helpline.o +LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/hist.o LIB_OBJS += $(OUTPUT)ui/stdio/hist.o LIB_OBJS += $(OUTPUT)arch/common.o +LIB_OBJS += $(OUTPUT)tests/parse-events.o +LIB_OBJS += $(OUTPUT)tests/dso-data.o +LIB_OBJS += $(OUTPUT)tests/attr.o +LIB_OBJS += $(OUTPUT)tests/vmlinux-kallsyms.o +LIB_OBJS += $(OUTPUT)tests/open-syscall.o +LIB_OBJS += $(OUTPUT)tests/open-syscall-all-cpus.o +LIB_OBJS += $(OUTPUT)tests/open-syscall-tp-fields.o +LIB_OBJS += $(OUTPUT)tests/mmap-basic.o +LIB_OBJS += $(OUTPUT)tests/perf-record.o +LIB_OBJS += $(OUTPUT)tests/rdpmc.o +LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o +LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o +LIB_OBJS += $(OUTPUT)tests/pmu.o +LIB_OBJS += $(OUTPUT)tests/util.o + BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o # Benchmark modules @@ -459,8 +502,8 @@ BUILTIN_OBJS += $(OUTPUT)builtin-probe.o BUILTIN_OBJS += $(OUTPUT)builtin-kmem.o BUILTIN_OBJS += $(OUTPUT)builtin-lock.o BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o -BUILTIN_OBJS += $(OUTPUT)builtin-test.o BUILTIN_OBJS += $(OUTPUT)builtin-inject.o +BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT) @@ -490,6 +533,8 @@ ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y) LIBC_SUPPORT := 1 endif ifeq ($(LIBC_SUPPORT),1) + msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev); + NO_LIBELF := 1 NO_DWARF := 1 NO_DEMANGLE := 1 @@ -497,7 +542,14 @@ ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y) msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); endif else - FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS) + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + endif + + FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y) msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 @@ -552,7 +604,8 @@ ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); else - BASIC_CFLAGS += -DDWARF_SUPPORT + BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS) + BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS) EXTLIBS += -lelf -ldw LIB_OBJS += $(OUTPUT)util/probe-finder.o LIB_OBJS += $(OUTPUT)util/dwarf-aux.o @@ -588,17 +641,16 @@ ifndef NO_NEWT BASIC_CFLAGS += -I/usr/include/slang BASIC_CFLAGS += -DNEWT_SUPPORT EXTLIBS += -lnewt -lslang - LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/browser.o LIB_OBJS += $(OUTPUT)ui/browsers/annotate.o LIB_OBJS += $(OUTPUT)ui/browsers/hists.o LIB_OBJS += $(OUTPUT)ui/browsers/map.o LIB_OBJS += $(OUTPUT)ui/browsers/scripts.o - LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/util.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o LIB_OBJS += $(OUTPUT)ui/tui/util.o LIB_OBJS += $(OUTPUT)ui/tui/helpline.o + LIB_OBJS += $(OUTPUT)ui/tui/progress.o LIB_H += ui/browser.h LIB_H += ui/browsers/map.h LIB_H += ui/keysyms.h @@ -624,9 +676,9 @@ ifndef NO_GTK2 LIB_OBJS += $(OUTPUT)ui/gtk/setup.o LIB_OBJS += $(OUTPUT)ui/gtk/util.o LIB_OBJS += $(OUTPUT)ui/gtk/helpline.o + LIB_OBJS += $(OUTPUT)ui/gtk/progress.o # Make sure that it'd be included only once. ifeq ($(findstring -DNEWT_SUPPORT,$(BASIC_CFLAGS)),) - LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/util.o endif endif @@ -891,10 +943,14 @@ $(OUTPUT)%.s: %.S $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \ '-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \ - '-DBINDIR="$(bindir_relative_SQ)"' \ '-DPREFIX="$(prefix_SQ)"' \ $< +$(OUTPUT)tests/attr.o: tests/attr.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \ + '-DBINDIR="$(bindir_SQ)"' \ + $< + $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< @@ -1059,6 +1115,10 @@ install: all try-install-man $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d' $(INSTALL) bash_completion '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests' + $(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr' + $(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr' install-python_ext: $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)' diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c index 2367b253f039..3e975cb6232e 100644 --- a/tools/perf/arch/common.c +++ b/tools/perf/arch/common.c @@ -93,16 +93,46 @@ static int lookup_triplets(const char *const *triplets, const char *name) return -1; } +/* + * Return architecture name in a normalized form. + * The conversion logic comes from the Makefile. + */ +static const char *normalize_arch(char *arch) +{ + if (!strcmp(arch, "x86_64")) + return "x86"; + if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6') + return "x86"; + if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5)) + return "sparc"; + if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110")) + return "arm"; + if (!strncmp(arch, "s390", 4)) + return "s390"; + if (!strncmp(arch, "parisc", 6)) + return "parisc"; + if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3)) + return "powerpc"; + if (!strncmp(arch, "mips", 4)) + return "mips"; + if (!strncmp(arch, "sh", 2) && isdigit(arch[2])) + return "sh"; + + return arch; +} + static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, const char *name, const char **path) { int idx; - char *arch, *cross_env; + const char *arch, *cross_env; struct utsname uts; const char *const *path_list; char *buf = NULL; + arch = normalize_arch(env->arch); + if (uname(&uts) < 0) goto out; @@ -110,7 +140,7 @@ static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, * We don't need to try to find objdump path for native system. * Just use default binutils path (e.g.: "objdump"). */ - if (!strcmp(uts.machine, env->arch)) + if (!strcmp(normalize_arch(uts.machine), arch)) goto out; cross_env = getenv("CROSS_COMPILE"); @@ -127,8 +157,6 @@ static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, free(buf); } - arch = env->arch; - if (!strcmp(arch, "arm")) path_list = arm_triplets; else if (!strcmp(arch, "powerpc")) @@ -139,9 +167,7 @@ static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, path_list = s390_triplets; else if (!strcmp(arch, "sparc")) path_list = sparc_triplets; - else if (!strcmp(arch, "x86") || !strcmp(arch, "i386") || - !strcmp(arch, "i486") || !strcmp(arch, "i586") || - !strcmp(arch, "i686")) + else if (!strcmp(arch, "x86")) path_list = x86_triplets; else if (!strcmp(arch, "mips")) path_list = mips_triplets; @@ -173,6 +199,13 @@ out_error: int perf_session_env__lookup_objdump(struct perf_session_env *env) { + /* + * For live mode, env->arch will be NULL and we can use + * the native objdump tool. + */ + if (env->arch == NULL) + return 0; + return perf_session_env__lookup_binutils_path(env, "objdump", &objdump_path); } diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h index 46fc9f15c6b3..7fcdcdbee917 100644 --- a/tools/perf/arch/x86/include/perf_regs.h +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -3,7 +3,7 @@ #include <stdlib.h> #include "../../util/types.h" -#include "../../../../../arch/x86/include/asm/perf_regs.h" +#include <asm/perf_regs.h> #ifndef ARCH_X86_64 #define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1) diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index cb234765ce3d..dc870cf31b79 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -139,7 +139,7 @@ find_next: } if (use_browser > 0) { - key = hist_entry__tui_annotate(he, evidx, NULL, NULL, 0); + key = hist_entry__tui_annotate(he, evidx, NULL); switch (key) { case K_RIGHT: next = rb_next(nd); diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 380683de1df3..93b852f8a5d5 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -154,7 +154,7 @@ static double get_period_percent(struct hist_entry *he, u64 period) double perf_diff__compute_delta(struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); double new_percent = get_period_percent(he, he->stat.period); double old_percent = pair ? get_period_percent(pair, pair->stat.period) : 0.0; @@ -165,7 +165,7 @@ double perf_diff__compute_delta(struct hist_entry *he) double perf_diff__compute_ratio(struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); double new_period = he->stat.period; double old_period = pair ? pair->stat.period : 0; @@ -176,7 +176,7 @@ double perf_diff__compute_ratio(struct hist_entry *he) s64 perf_diff__compute_wdiff(struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); u64 new_period = he->stat.period; u64 old_period = pair ? pair->stat.period : 0; @@ -193,7 +193,7 @@ s64 perf_diff__compute_wdiff(struct hist_entry *he) static int formula_delta(struct hist_entry *he, char *buf, size_t size) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); if (!pair) return -1; @@ -207,7 +207,7 @@ static int formula_delta(struct hist_entry *he, char *buf, size_t size) static int formula_ratio(struct hist_entry *he, char *buf, size_t size) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); double new_period = he->stat.period; double old_period = pair ? pair->stat.period : 0; @@ -219,7 +219,7 @@ static int formula_ratio(struct hist_entry *he, char *buf, size_t size) static int formula_wdiff(struct hist_entry *he, char *buf, size_t size) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); u64 new_period = he->stat.period; u64 old_period = pair ? pair->stat.period : 0; @@ -334,36 +334,6 @@ static void hists__name_resort(struct hists *self, bool sort) self->entries = tmp; } -static struct hist_entry *hists__find_entry(struct hists *self, - struct hist_entry *he) -{ - struct rb_node *n = self->entries.rb_node; - - while (n) { - struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); - int64_t cmp = hist_entry__cmp(he, iter); - - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else - return iter; - } - - return NULL; -} - -static void hists__match(struct hists *older, struct hists *newer) -{ - struct rb_node *nd; - - for (nd = rb_first(&newer->entries); nd; nd = rb_next(nd)) { - struct hist_entry *pos = rb_entry(nd, struct hist_entry, rb_node); - pos->pair = hists__find_entry(older, pos); - } -} - static struct perf_evsel *evsel_match(struct perf_evsel *evsel, struct perf_evlist *evlist) { @@ -402,7 +372,7 @@ static void hists__baseline_only(struct hists *hists) struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&he->rb_node); - if (!he->pair) { + if (!hist_entry__next_pair(he)) { rb_erase(&he->rb_node, &hists->entries); hist_entry__free(he); } @@ -517,10 +487,12 @@ static void hists__compute_resort(struct hists *hists) static void hists__process(struct hists *old, struct hists *new) { - hists__match(old, new); + hists__match(new, old); if (show_baseline_only) hists__baseline_only(new); + else + hists__link(new, old); if (sort_compute) { hists__precompute(new); diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 836c82f01371..ca3f80ebc100 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -22,9 +22,10 @@ #include <pthread.h> #include <math.h> -#include "../../arch/x86/include/asm/svm.h" -#include "../../arch/x86/include/asm/vmx.h" -#include "../../arch/x86/include/asm/kvm.h" +#if defined(__i386__) || defined(__x86_64__) +#include <asm/svm.h> +#include <asm/vmx.h> +#include <asm/kvm.h> struct event_key { #define INVALID_KEY (~0ULL) @@ -58,7 +59,7 @@ struct kvm_event_key { }; -struct perf_kvm; +struct perf_kvm_stat; struct kvm_events_ops { bool (*is_begin_event)(struct perf_evsel *evsel, @@ -66,7 +67,7 @@ struct kvm_events_ops { struct event_key *key); bool (*is_end_event)(struct perf_evsel *evsel, struct perf_sample *sample, struct event_key *key); - void (*decode_key)(struct perf_kvm *kvm, struct event_key *key, + void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key, char decode[20]); const char *name; }; @@ -79,7 +80,7 @@ struct exit_reasons_table { #define EVENTS_BITS 12 #define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS) -struct perf_kvm { +struct perf_kvm_stat { struct perf_tool tool; struct perf_session *session; @@ -146,7 +147,7 @@ static struct exit_reasons_table svm_exit_reasons[] = { SVM_EXIT_REASONS }; -static const char *get_exit_reason(struct perf_kvm *kvm, u64 exit_code) +static const char *get_exit_reason(struct perf_kvm_stat *kvm, u64 exit_code) { int i = kvm->exit_reasons_size; struct exit_reasons_table *tbl = kvm->exit_reasons; @@ -162,7 +163,7 @@ static const char *get_exit_reason(struct perf_kvm *kvm, u64 exit_code) return "UNKNOWN"; } -static void exit_event_decode_key(struct perf_kvm *kvm, +static void exit_event_decode_key(struct perf_kvm_stat *kvm, struct event_key *key, char decode[20]) { @@ -228,7 +229,7 @@ static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample, return false; } -static void mmio_event_decode_key(struct perf_kvm *kvm __maybe_unused, +static void mmio_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, struct event_key *key, char decode[20]) { @@ -271,7 +272,7 @@ static bool ioport_event_end(struct perf_evsel *evsel, return kvm_entry_event(evsel); } -static void ioport_event_decode_key(struct perf_kvm *kvm __maybe_unused, +static void ioport_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, struct event_key *key, char decode[20]) { @@ -286,7 +287,7 @@ static struct kvm_events_ops ioport_events = { .name = "IO Port Access" }; -static bool register_kvm_events_ops(struct perf_kvm *kvm) +static bool register_kvm_events_ops(struct perf_kvm_stat *kvm) { bool ret = true; @@ -311,7 +312,7 @@ struct vcpu_event_record { }; -static void init_kvm_event_record(struct perf_kvm *kvm) +static void init_kvm_event_record(struct perf_kvm_stat *kvm) { unsigned int i; @@ -360,7 +361,7 @@ static struct kvm_event *kvm_alloc_init_event(struct event_key *key) return event; } -static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm, +static struct kvm_event *find_create_kvm_event(struct perf_kvm_stat *kvm, struct event_key *key) { struct kvm_event *event; @@ -382,7 +383,7 @@ static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm, return event; } -static bool handle_begin_event(struct perf_kvm *kvm, +static bool handle_begin_event(struct perf_kvm_stat *kvm, struct vcpu_event_record *vcpu_record, struct event_key *key, u64 timestamp) { @@ -429,7 +430,7 @@ static bool update_kvm_event(struct kvm_event *event, int vcpu_id, return true; } -static bool handle_end_event(struct perf_kvm *kvm, +static bool handle_end_event(struct perf_kvm_stat *kvm, struct vcpu_event_record *vcpu_record, struct event_key *key, u64 timestamp) @@ -496,7 +497,7 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread, return thread->priv; } -static bool handle_kvm_event(struct perf_kvm *kvm, +static bool handle_kvm_event(struct perf_kvm_stat *kvm, struct thread *thread, struct perf_evsel *evsel, struct perf_sample *sample) @@ -556,7 +557,7 @@ static struct kvm_event_key keys[] = { { NULL, NULL } }; -static bool select_key(struct perf_kvm *kvm) +static bool select_key(struct perf_kvm_stat *kvm) { int i; @@ -592,7 +593,8 @@ static void insert_to_result(struct rb_root *result, struct kvm_event *event, rb_insert_color(&event->rb, result); } -static void update_total_count(struct perf_kvm *kvm, struct kvm_event *event) +static void +update_total_count(struct perf_kvm_stat *kvm, struct kvm_event *event) { int vcpu = kvm->trace_vcpu; @@ -605,7 +607,7 @@ static bool event_is_valid(struct kvm_event *event, int vcpu) return !!get_event_count(event, vcpu); } -static void sort_result(struct perf_kvm *kvm) +static void sort_result(struct perf_kvm_stat *kvm) { unsigned int i; int vcpu = kvm->trace_vcpu; @@ -644,7 +646,7 @@ static void print_vcpu_info(int vcpu) pr_info("VCPU %d:\n\n", vcpu); } -static void print_result(struct perf_kvm *kvm) +static void print_result(struct perf_kvm_stat *kvm) { char decode[20]; struct kvm_event *event; @@ -687,7 +689,8 @@ static int process_sample_event(struct perf_tool *tool, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, sample->tid); - struct perf_kvm *kvm = container_of(tool, struct perf_kvm, tool); + struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, + tool); if (thread == NULL) { pr_debug("problem processing %d event, skipping it.\n", @@ -718,7 +721,7 @@ static int get_cpu_isa(struct perf_session *session) return isa; } -static int read_events(struct perf_kvm *kvm) +static int read_events(struct perf_kvm_stat *kvm) { int ret; @@ -767,7 +770,7 @@ static bool verify_vcpu(int vcpu) return true; } -static int kvm_events_report_vcpu(struct perf_kvm *kvm) +static int kvm_events_report_vcpu(struct perf_kvm_stat *kvm) { int ret = -EINVAL; int vcpu = kvm->trace_vcpu; @@ -815,7 +818,8 @@ static const char * const record_args[] = { _p; \ }) -static int kvm_events_record(struct perf_kvm *kvm, int argc, const char **argv) +static int +kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv) { unsigned int rec_argc, i, j; const char **rec_argv; @@ -838,7 +842,8 @@ static int kvm_events_record(struct perf_kvm *kvm, int argc, const char **argv) return cmd_record(i, rec_argv, NULL); } -static int kvm_events_report(struct perf_kvm *kvm, int argc, const char **argv) +static int +kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv) { const struct option kvm_events_report_options[] = { OPT_STRING(0, "event", &kvm->report_event, "report event", @@ -881,24 +886,37 @@ static void print_kvm_stat_usage(void) printf("\nOtherwise, it is the alias of 'perf stat':\n"); } -static int kvm_cmd_stat(struct perf_kvm *kvm, int argc, const char **argv) +static int kvm_cmd_stat(const char *file_name, int argc, const char **argv) { + struct perf_kvm_stat kvm = { + .file_name = file_name, + + .trace_vcpu = -1, + .report_event = "vmexit", + .sort_key = "sample", + + .exit_reasons = svm_exit_reasons, + .exit_reasons_size = ARRAY_SIZE(svm_exit_reasons), + .exit_reasons_isa = "SVM", + }; + if (argc == 1) { print_kvm_stat_usage(); goto perf_stat; } if (!strncmp(argv[1], "rec", 3)) - return kvm_events_record(kvm, argc - 1, argv + 1); + return kvm_events_record(&kvm, argc - 1, argv + 1); if (!strncmp(argv[1], "rep", 3)) - return kvm_events_report(kvm, argc - 1 , argv + 1); + return kvm_events_report(&kvm, argc - 1 , argv + 1); perf_stat: return cmd_stat(argc, argv, NULL); } +#endif -static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) +static int __cmd_record(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -907,7 +925,7 @@ static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("record"); rec_argv[i++] = strdup("-o"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -916,7 +934,7 @@ static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) return cmd_record(i, rec_argv, NULL); } -static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) +static int __cmd_report(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -925,7 +943,7 @@ static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("report"); rec_argv[i++] = strdup("-i"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -934,7 +952,8 @@ static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) return cmd_report(i, rec_argv, NULL); } -static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) +static int +__cmd_buildid_list(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -943,7 +962,7 @@ static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("buildid-list"); rec_argv[i++] = strdup("-i"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -954,20 +973,12 @@ static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) { - struct perf_kvm kvm = { - .trace_vcpu = -1, - .report_event = "vmexit", - .sort_key = "sample", - - .exit_reasons = svm_exit_reasons, - .exit_reasons_size = ARRAY_SIZE(svm_exit_reasons), - .exit_reasons_isa = "SVM", - }; + const char *file_name; const struct option kvm_options[] = { - OPT_STRING('i', "input", &kvm.file_name, "file", + OPT_STRING('i', "input", &file_name, "file", "Input file name"), - OPT_STRING('o', "output", &kvm.file_name, "file", + OPT_STRING('o', "output", &file_name, "file", "Output file name"), OPT_BOOLEAN(0, "guest", &perf_guest, "Collect guest os data"), @@ -1002,32 +1013,34 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) if (!perf_host) perf_guest = 1; - if (!kvm.file_name) { + if (!file_name) { if (perf_host && !perf_guest) - kvm.file_name = strdup("perf.data.host"); + file_name = strdup("perf.data.host"); else if (!perf_host && perf_guest) - kvm.file_name = strdup("perf.data.guest"); + file_name = strdup("perf.data.guest"); else - kvm.file_name = strdup("perf.data.kvm"); + file_name = strdup("perf.data.kvm"); - if (!kvm.file_name) { + if (!file_name) { pr_err("Failed to allocate memory for filename\n"); return -ENOMEM; } } if (!strncmp(argv[0], "rec", 3)) - return __cmd_record(&kvm, argc, argv); + return __cmd_record(file_name, argc, argv); else if (!strncmp(argv[0], "rep", 3)) - return __cmd_report(&kvm, argc, argv); + return __cmd_report(file_name, argc, argv); else if (!strncmp(argv[0], "diff", 4)) return cmd_diff(argc, argv, NULL); else if (!strncmp(argv[0], "top", 3)) return cmd_top(argc, argv, NULL); else if (!strncmp(argv[0], "buildid-list", 12)) - return __cmd_buildid_list(&kvm, argc, argv); + return __cmd_buildid_list(file_name, argc, argv); +#if defined(__i386__) || defined(__x86_64__) else if (!strncmp(argv[0], "stat", 4)) - return kvm_cmd_stat(&kvm, argc, argv); + return kvm_cmd_stat(file_name, argc, argv); +#endif else usage_with_options(kvm_usage, kvm_options); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 5783c3225116..f3151d3c70ce 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -230,11 +230,15 @@ static int perf_record__open(struct perf_record *rec) struct perf_record_opts *opts = &rec->opts; int rc = 0; - perf_evlist__config_attrs(evlist, opts); - + /* + * Set the evsel leader links before we configure attributes, + * since some might depend on this info. + */ if (opts->group) perf_evlist__set_leader(evlist); + perf_evlist__config_attrs(evlist, opts); + list_for_each_entry(pos, &evlist->entries, node) { struct perf_event_attr *attr = &pos->attr; /* @@ -498,6 +502,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) struct perf_evlist *evsel_list = rec->evlist; const char *output_name = rec->output_name; struct perf_session *session; + bool disabled = false; rec->progname = argv[0]; @@ -697,7 +702,13 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) } } - perf_evlist__enable(evsel_list); + /* + * When perf is starting the traced process, all the events + * (apart from group members) have enable_on_exec=1 set, + * so don't spoil it by prematurely enabling them. + */ + if (!perf_target__none(&opts->target)) + perf_evlist__enable(evsel_list); /* * Let the child rip @@ -720,8 +731,15 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) waking++; } - if (done) + /* + * When perf is starting the traced process, at the end events + * die with the process and we wait for that. Thus no need to + * disable events in this case. + */ + if (done && !disabled && !perf_target__none(&opts->target)) { perf_evlist__disable(evsel_list); + disabled = true; + } } if (quiet || signr == SIGUSR1) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index f07eae73e692..fc251005dd3d 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -428,10 +428,11 @@ static int __cmd_report(struct perf_report *rep) if (use_browser > 0) { if (use_browser == 1) { perf_evlist__tui_browse_hists(session->evlist, help, - NULL, NULL, 0); + NULL, + &session->header.env); } else if (use_browser == 2) { perf_evlist__gtk_browse_hists(session->evlist, help, - NULL, NULL, 0); + NULL); } } else perf_evlist__tty_browse_hists(session->evlist, rep, help); @@ -672,12 +673,6 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); - if (!objdump_path) { - ret = perf_session_env__lookup_objdump(&session->header.env); - if (ret) - goto error; - } - if (sort__branch_mode == -1 && has_br_stack) sort__branch_mode = 1; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6888960ef8b8..c247faca7127 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -129,8 +129,7 @@ static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; static struct stats walltime_nsecs_stats; -static int create_perf_stat_counter(struct perf_evsel *evsel, - struct perf_evsel *first) +static int create_perf_stat_counter(struct perf_evsel *evsel) { struct perf_event_attr *attr = &evsel->attr; bool exclude_guest_missing = false; @@ -153,7 +152,8 @@ retry: return 0; } - if (!perf_target__has_task(&target) && (!group || evsel == first)) { + if (!perf_target__has_task(&target) && + !perf_evsel__is_group_member(evsel)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -272,7 +272,7 @@ static int read_counter(struct perf_evsel *counter) static int __run_perf_stat(int argc __maybe_unused, const char **argv) { unsigned long long t0, t1; - struct perf_evsel *counter, *first; + struct perf_evsel *counter; int status = 0; int child_ready_pipe[2], go_pipe[2]; const bool forks = (argc > 0); @@ -332,10 +332,8 @@ static int __run_perf_stat(int argc __maybe_unused, const char **argv) if (group) perf_evlist__set_leader(evsel_list); - first = perf_evlist__first(evsel_list); - list_for_each_entry(counter, &evsel_list->entries, node) { - if (create_perf_stat_counter(counter, first) < 0) { + if (create_perf_stat_counter(counter) < 0) { /* * PPC returns ENXIO for HW counters until 2.6.37 * (behavior changed with commit b0a873e). diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c deleted file mode 100644 index a04276e81f40..000000000000 --- a/tools/perf/builtin-test.c +++ /dev/null @@ -1,1559 +0,0 @@ -/* - * builtin-test.c - * - * Builtin regression testing command: ever growing number of sanity tests - */ -#include "builtin.h" - -#include "util/cache.h" -#include "util/color.h" -#include "util/debug.h" -#include "util/debugfs.h" -#include "util/evlist.h" -#include "util/parse-options.h" -#include "util/parse-events.h" -#include "util/symbol.h" -#include "util/thread_map.h" -#include "util/pmu.h" -#include "event-parse.h" -#include "../../include/linux/hw_breakpoint.h" - -#include <sys/mman.h> - -static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused, - struct symbol *sym) -{ - bool *visited = symbol__priv(sym); - *visited = true; - return 0; -} - -static int test__vmlinux_matches_kallsyms(void) -{ - int err = -1; - struct rb_node *nd; - struct symbol *sym; - struct map *kallsyms_map, *vmlinux_map; - struct machine kallsyms, vmlinux; - enum map_type type = MAP__FUNCTION; - struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", }; - - /* - * Step 1: - * - * Init the machines that will hold kernel, modules obtained from - * both vmlinux + .ko files and from /proc/kallsyms split by modules. - */ - machine__init(&kallsyms, "", HOST_KERNEL_ID); - machine__init(&vmlinux, "", HOST_KERNEL_ID); - - /* - * Step 2: - * - * Create the kernel maps for kallsyms and the DSO where we will then - * load /proc/kallsyms. Also create the modules maps from /proc/modules - * and find the .ko files that match them in /lib/modules/`uname -r`/. - */ - if (machine__create_kernel_maps(&kallsyms) < 0) { - pr_debug("machine__create_kernel_maps "); - return -1; - } - - /* - * Step 3: - * - * Load and split /proc/kallsyms into multiple maps, one per module. - */ - if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) { - pr_debug("dso__load_kallsyms "); - goto out; - } - - /* - * Step 4: - * - * kallsyms will be internally on demand sorted by name so that we can - * find the reference relocation * symbol, i.e. the symbol we will use - * to see if the running kernel was relocated by checking if it has the - * same value in the vmlinux file we load. - */ - kallsyms_map = machine__kernel_map(&kallsyms, type); - - sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL); - if (sym == NULL) { - pr_debug("dso__find_symbol_by_name "); - goto out; - } - - ref_reloc_sym.addr = sym->start; - - /* - * Step 5: - * - * Now repeat step 2, this time for the vmlinux file we'll auto-locate. - */ - if (machine__create_kernel_maps(&vmlinux) < 0) { - pr_debug("machine__create_kernel_maps "); - goto out; - } - - vmlinux_map = machine__kernel_map(&vmlinux, type); - map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym; - - /* - * Step 6: - * - * Locate a vmlinux file in the vmlinux path that has a buildid that - * matches the one of the running kernel. - * - * While doing that look if we find the ref reloc symbol, if we find it - * we'll have its ref_reloc_symbol.unrelocated_addr and then - * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines - * to fixup the symbols. - */ - if (machine__load_vmlinux_path(&vmlinux, type, - vmlinux_matches_kallsyms_filter) <= 0) { - pr_debug("machine__load_vmlinux_path "); - goto out; - } - - err = 0; - /* - * Step 7: - * - * Now look at the symbols in the vmlinux DSO and check if we find all of them - * in the kallsyms dso. For the ones that are in both, check its names and - * end addresses too. - */ - for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) { - struct symbol *pair, *first_pair; - bool backwards = true; - - sym = rb_entry(nd, struct symbol, rb_node); - - if (sym->start == sym->end) - continue; - - first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL); - pair = first_pair; - - if (pair && pair->start == sym->start) { -next_pair: - if (strcmp(sym->name, pair->name) == 0) { - /* - * kallsyms don't have the symbol end, so we - * set that by using the next symbol start - 1, - * in some cases we get this up to a page - * wrong, trace_kmalloc when I was developing - * this code was one such example, 2106 bytes - * off the real size. More than that and we - * _really_ have a problem. - */ - s64 skew = sym->end - pair->end; - if (llabs(skew) < page_size) - continue; - - pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n", - sym->start, sym->name, sym->end, pair->end); - } else { - struct rb_node *nnd; -detour: - nnd = backwards ? rb_prev(&pair->rb_node) : - rb_next(&pair->rb_node); - if (nnd) { - struct symbol *next = rb_entry(nnd, struct symbol, rb_node); - - if (next->start == sym->start) { - pair = next; - goto next_pair; - } - } - - if (backwards) { - backwards = false; - pair = first_pair; - goto detour; - } - - pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", - sym->start, sym->name, pair->name); - } - } else - pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name); - - err = -1; - } - - if (!verbose) - goto out; - - pr_info("Maps only in vmlinux:\n"); - - for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node), *pair; - /* - * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while - * the kernel will have the path for the vmlinux file being used, - * so use the short name, less descriptive but the same ("[kernel]" in - * both cases. - */ - pair = map_groups__find_by_name(&kallsyms.kmaps, type, - (pos->dso->kernel ? - pos->dso->short_name : - pos->dso->name)); - if (pair) - pair->priv = 1; - else - map__fprintf(pos, stderr); - } - - pr_info("Maps in vmlinux with a different name in kallsyms:\n"); - - for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node), *pair; - - pair = map_groups__find(&kallsyms.kmaps, type, pos->start); - if (pair == NULL || pair->priv) - continue; - - if (pair->start == pos->start) { - pair->priv = 1; - pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", - pos->start, pos->end, pos->pgoff, pos->dso->name); - if (pos->pgoff != pair->pgoff || pos->end != pair->end) - pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "", - pair->start, pair->end, pair->pgoff); - pr_info(" %s\n", pair->dso->name); - pair->priv = 1; - } - } - - pr_info("Maps only in kallsyms:\n"); - - for (nd = rb_first(&kallsyms.kmaps.maps[type]); - nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node); - - if (!pos->priv) - map__fprintf(pos, stderr); - } -out: - return err; -} - -#include "util/cpumap.h" -#include "util/evsel.h" -#include <sys/types.h> - -static int trace_event__id(const char *evname) -{ - char *filename; - int err = -1, fd; - - if (asprintf(&filename, - "%s/syscalls/%s/id", - tracing_events_path, evname) < 0) - return -1; - - fd = open(filename, O_RDONLY); - if (fd >= 0) { - char id[16]; - if (read(fd, id, sizeof(id)) > 0) - err = atoi(id); - close(fd); - } - - free(filename); - return err; -} - -static int test__open_syscall_event(void) -{ - int err = -1, fd; - struct thread_map *threads; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open_per_thread(evsel, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (i = 0; i < nr_open_calls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - - if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - goto out_close_fd; - } - - if (evsel->counts->cpu[0].val != nr_open_calls) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", - nr_open_calls, evsel->counts->cpu[0].val); - goto out_close_fd; - } - - err = 0; -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} - -#include <sched.h> - -static int test__open_syscall_event_on_all_cpus(void) -{ - int err = -1, fd, cpu; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - cpu_set_t cpu_set; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - cpus = cpu_map__new(NULL); - if (cpus == NULL) { - pr_debug("cpu_map__new\n"); - goto out_thread_map_delete; - } - - - CPU_ZERO(&cpu_set); - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open(evsel, cpus, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int ncalls = nr_open_calls + cpu; - /* - * XXX eventually lift this restriction in a way that - * keeps perf building on older glibc installations - * without CPU_ALLOC. 1024 cpus in 2010 still seems - * a reasonable upper limit tho :-) - */ - if (cpus->map[cpu] >= CPU_SETSIZE) { - pr_debug("Ignoring CPU %d\n", cpus->map[cpu]); - continue; - } - - CPU_SET(cpus->map[cpu], &cpu_set); - if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { - pr_debug("sched_setaffinity() failed on CPU %d: %s ", - cpus->map[cpu], - strerror(errno)); - goto out_close_fd; - } - for (i = 0; i < ncalls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - CPU_CLR(cpus->map[cpu], &cpu_set); - } - - /* - * Here we need to explicitely preallocate the counts, as if - * we use the auto allocation it will allocate just for 1 cpu, - * as we start by cpu 0. - */ - if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) { - pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr); - goto out_close_fd; - } - - err = 0; - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int expected; - - if (cpus->map[cpu] >= CPU_SETSIZE) - continue; - - if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - err = -1; - break; - } - - expected = nr_open_calls + cpu; - if (evsel->counts->cpu[cpu].val != expected) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n", - expected, cpus->map[cpu], evsel->counts->cpu[cpu].val); - err = -1; - } - } - -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} - -/* - * This test will generate random numbers of calls to some getpid syscalls, - * then establish an mmap for a group of events that are created to monitor - * the syscalls. - * - * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated - * sample.id field to map back to its respective perf_evsel instance. - * - * Then it checks if the number of syscalls reported as perf events by - * the kernel corresponds to the number of syscalls made. - */ -static int test__basic_mmap(void) -{ - int err = -1; - union perf_event *event; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evlist *evlist; - struct perf_event_attr attr = { - .type = PERF_TYPE_TRACEPOINT, - .read_format = PERF_FORMAT_ID, - .sample_type = PERF_SAMPLE_ID, - .watermark = 0, - }; - cpu_set_t cpu_set; - const char *syscall_names[] = { "getsid", "getppid", "getpgrp", - "getpgid", }; - pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp, - (void*)getpgid }; -#define nsyscalls ARRAY_SIZE(syscall_names) - int ids[nsyscalls]; - unsigned int nr_events[nsyscalls], - expected_nr_events[nsyscalls], i, j; - struct perf_evsel *evsels[nsyscalls], *evsel; - - for (i = 0; i < nsyscalls; ++i) { - char name[64]; - - snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]); - ids[i] = trace_event__id(name); - if (ids[i] < 0) { - pr_debug("Is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - nr_events[i] = 0; - expected_nr_events[i] = random() % 257; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - cpus = cpu_map__new(NULL); - if (cpus == NULL) { - pr_debug("cpu_map__new\n"); - goto out_free_threads; - } - - CPU_ZERO(&cpu_set); - CPU_SET(cpus->map[0], &cpu_set); - sched_setaffinity(0, sizeof(cpu_set), &cpu_set); - if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { - pr_debug("sched_setaffinity() failed on CPU %d: %s ", - cpus->map[0], strerror(errno)); - goto out_free_cpus; - } - - evlist = perf_evlist__new(cpus, threads); - if (evlist == NULL) { - pr_debug("perf_evlist__new\n"); - goto out_free_cpus; - } - - /* anonymous union fields, can't be initialized above */ - attr.wakeup_events = 1; - attr.sample_period = 1; - - for (i = 0; i < nsyscalls; ++i) { - attr.config = ids[i]; - evsels[i] = perf_evsel__new(&attr, i); - if (evsels[i] == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_free_evlist; - } - - perf_evlist__add(evlist, evsels[i]); - - if (perf_evsel__open(evsels[i], cpus, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_close_fd; - } - } - - if (perf_evlist__mmap(evlist, 128, true) < 0) { - pr_debug("failed to mmap events: %d (%s)\n", errno, - strerror(errno)); - goto out_close_fd; - } - - for (i = 0; i < nsyscalls; ++i) - for (j = 0; j < expected_nr_events[i]; ++j) { - int foo = syscalls[i](); - ++foo; - } - - while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) { - struct perf_sample sample; - - if (event->header.type != PERF_RECORD_SAMPLE) { - pr_debug("unexpected %s event\n", - perf_event__name(event->header.type)); - goto out_munmap; - } - - err = perf_evlist__parse_sample(evlist, event, &sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; - } - - evsel = perf_evlist__id2evsel(evlist, sample.id); - if (evsel == NULL) { - pr_debug("event with id %" PRIu64 - " doesn't map to an evsel\n", sample.id); - goto out_munmap; - } - nr_events[evsel->idx]++; - } - - list_for_each_entry(evsel, &evlist->entries, node) { - if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { - pr_debug("expected %d %s events, got %d\n", - expected_nr_events[evsel->idx], - perf_evsel__name(evsel), nr_events[evsel->idx]); - goto out_munmap; - } - } - - err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_close_fd: - for (i = 0; i < nsyscalls; ++i) - perf_evsel__close_fd(evsels[i], 1, threads->nr); -out_free_evlist: - perf_evlist__delete(evlist); -out_free_cpus: - cpu_map__delete(cpus); -out_free_threads: - thread_map__delete(threads); - return err; -#undef nsyscalls -} - -static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t **maskp, - size_t *sizep) -{ - cpu_set_t *mask; - size_t size; - int i, cpu = -1, nrcpus = 1024; -realloc: - mask = CPU_ALLOC(nrcpus); - size = CPU_ALLOC_SIZE(nrcpus); - CPU_ZERO_S(size, mask); - - if (sched_getaffinity(pid, size, mask) == -1) { - CPU_FREE(mask); - if (errno == EINVAL && nrcpus < (1024 << 8)) { - nrcpus = nrcpus << 2; - goto realloc; - } - perror("sched_getaffinity"); - return -1; - } - - for (i = 0; i < nrcpus; i++) { - if (CPU_ISSET_S(i, size, mask)) { - if (cpu == -1) { - cpu = i; - *maskp = mask; - *sizep = size; - } else - CPU_CLR_S(i, size, mask); - } - } - - if (cpu == -1) - CPU_FREE(mask); - - return cpu; -} - -static int test__PERF_RECORD(void) -{ - struct perf_record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .no_delay = true, - .freq = 10, - .mmap_pages = 256, - }; - cpu_set_t *cpu_mask = NULL; - size_t cpu_mask_size = 0; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - struct perf_evsel *evsel; - struct perf_sample sample; - const char *cmd = "sleep"; - const char *argv[] = { cmd, "1", NULL, }; - char *bname; - u64 prev_time = 0; - bool found_cmd_mmap = false, - found_libc_mmap = false, - found_vdso_mmap = false, - found_ld_mmap = false; - int err = -1, errs = 0, i, wakeups = 0; - u32 cpu; - int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, }; - - if (evlist == NULL || argv == NULL) { - pr_debug("Not enough memory to create evlist\n"); - goto out; - } - - /* - * We need at least one evsel in the evlist, use the default - * one: "cycles". - */ - err = perf_evlist__add_default(evlist); - if (err < 0) { - pr_debug("Not enough memory to create evsel\n"); - goto out_delete_evlist; - } - - /* - * Create maps of threads and cpus to monitor. In this case - * we start with all threads and cpus (-1, -1) but then in - * 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); - if (err < 0) { - pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_evlist; - } - - /* - * Prepare the workload in argv[] to run, it'll fork it, and then wait - * for perf_evlist__start_workload() to exec it. This is done this way - * so that we have time to open the evlist (calling sys_perf_event_open - * on all the fds) and then mmap them. - */ - err = perf_evlist__prepare_workload(evlist, &opts, argv); - if (err < 0) { - pr_debug("Couldn't run the workload!\n"); - goto out_delete_evlist; - } - - /* - * Config the evsels, setting attr->comm on the first one, etc. - */ - evsel = perf_evlist__first(evlist); - evsel->attr.sample_type |= PERF_SAMPLE_CPU; - evsel->attr.sample_type |= PERF_SAMPLE_TID; - evsel->attr.sample_type |= PERF_SAMPLE_TIME; - perf_evlist__config_attrs(evlist, &opts); - - err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask, - &cpu_mask_size); - if (err < 0) { - pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - cpu = err; - - /* - * So that we can check perf_sample.cpu on all the samples. - */ - if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, cpu_mask) < 0) { - pr_debug("sched_setaffinity: %s\n", strerror(errno)); - goto out_free_cpu_mask; - } - - /* - * Call sys_perf_event_open on all the fds on all the evsels, - * grouping them if asked to. - */ - err = perf_evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - /* - * mmap the first fd on a given CPU and ask for events for the other - * fds in the same CPU to be injected in the same mmap ring buffer - * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)). - */ - err = perf_evlist__mmap(evlist, opts.mmap_pages, false); - if (err < 0) { - pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - /* - * Now that all is properly set up, enable the events, they will - * count just on workload.pid, which will start... - */ - perf_evlist__enable(evlist); - - /* - * Now! - */ - perf_evlist__start_workload(evlist); - - while (1) { - int before = total_events; - - for (i = 0; i < evlist->nr_mmaps; i++) { - union perf_event *event; - - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { - const u32 type = event->header.type; - const char *name = perf_event__name(type); - - ++total_events; - if (type < PERF_RECORD_MAX) - nr_events[type]++; - - err = perf_evlist__parse_sample(evlist, event, &sample); - if (err < 0) { - if (verbose) - perf_event__fprintf(event, stderr); - pr_debug("Couldn't parse sample\n"); - goto out_err; - } - - if (verbose) { - pr_info("%" PRIu64" %d ", sample.time, sample.cpu); - perf_event__fprintf(event, stderr); - } - - if (prev_time > sample.time) { - pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n", - name, prev_time, sample.time); - ++errs; - } - - prev_time = sample.time; - - if (sample.cpu != cpu) { - pr_debug("%s with unexpected cpu, expected %d, got %d\n", - name, cpu, sample.cpu); - ++errs; - } - - if ((pid_t)sample.pid != evlist->workload.pid) { - pr_debug("%s with unexpected pid, expected %d, got %d\n", - name, evlist->workload.pid, sample.pid); - ++errs; - } - - if ((pid_t)sample.tid != evlist->workload.pid) { - pr_debug("%s with unexpected tid, expected %d, got %d\n", - name, evlist->workload.pid, sample.tid); - ++errs; - } - - if ((type == PERF_RECORD_COMM || - type == PERF_RECORD_MMAP || - type == PERF_RECORD_FORK || - type == PERF_RECORD_EXIT) && - (pid_t)event->comm.pid != evlist->workload.pid) { - pr_debug("%s with unexpected pid/tid\n", name); - ++errs; - } - - if ((type == PERF_RECORD_COMM || - type == PERF_RECORD_MMAP) && - event->comm.pid != event->comm.tid) { - pr_debug("%s with different pid/tid!\n", name); - ++errs; - } - - switch (type) { - case PERF_RECORD_COMM: - if (strcmp(event->comm.comm, cmd)) { - pr_debug("%s with unexpected comm!\n", name); - ++errs; - } - break; - case PERF_RECORD_EXIT: - goto found_exit; - case PERF_RECORD_MMAP: - bname = strrchr(event->mmap.filename, '/'); - if (bname != NULL) { - if (!found_cmd_mmap) - found_cmd_mmap = !strcmp(bname + 1, cmd); - if (!found_libc_mmap) - found_libc_mmap = !strncmp(bname + 1, "libc", 4); - if (!found_ld_mmap) - found_ld_mmap = !strncmp(bname + 1, "ld", 2); - } else if (!found_vdso_mmap) - found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]"); - break; - - case PERF_RECORD_SAMPLE: - /* Just ignore samples for now */ - break; - default: - pr_debug("Unexpected perf_event->header.type %d!\n", - type); - ++errs; - } - } - } - - /* - * We don't use poll here because at least at 3.1 times the - * PERF_RECORD_{!SAMPLE} events don't honour - * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does. - */ - if (total_events == before && false) - poll(evlist->pollfd, evlist->nr_fds, -1); - - sleep(1); - if (++wakeups > 5) { - pr_debug("No PERF_RECORD_EXIT event!\n"); - break; - } - } - -found_exit: - if (nr_events[PERF_RECORD_COMM] > 1) { - pr_debug("Excessive number of PERF_RECORD_COMM events!\n"); - ++errs; - } - - if (nr_events[PERF_RECORD_COMM] == 0) { - pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd); - ++errs; - } - - if (!found_cmd_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd); - ++errs; - } - - if (!found_libc_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc"); - ++errs; - } - - if (!found_ld_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld"); - ++errs; - } - - if (!found_vdso_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); - ++errs; - } -out_err: - perf_evlist__munmap(evlist); -out_free_cpu_mask: - CPU_FREE(cpu_mask); -out_delete_evlist: - perf_evlist__delete(evlist); -out: - return (err < 0 || errs > 0) ? -1 : 0; -} - - -#if defined(__x86_64__) || defined(__i386__) - -#define barrier() asm volatile("" ::: "memory") - -static u64 rdpmc(unsigned int counter) -{ - unsigned int low, high; - - asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); - - return low | ((u64)high) << 32; -} - -static u64 rdtsc(void) -{ - unsigned int low, high; - - asm volatile("rdtsc" : "=a" (low), "=d" (high)); - - return low | ((u64)high) << 32; -} - -static u64 mmap_read_self(void *addr) -{ - struct perf_event_mmap_page *pc = addr; - u32 seq, idx, time_mult = 0, time_shift = 0; - u64 count, cyc = 0, time_offset = 0, enabled, running, delta; - - do { - seq = pc->lock; - barrier(); - - enabled = pc->time_enabled; - running = pc->time_running; - - if (enabled != running) { - cyc = rdtsc(); - time_mult = pc->time_mult; - time_shift = pc->time_shift; - time_offset = pc->time_offset; - } - - idx = pc->index; - count = pc->offset; - if (idx) - count += rdpmc(idx - 1); - - barrier(); - } while (pc->lock != seq); - - if (enabled != running) { - u64 quot, rem; - - quot = (cyc >> time_shift); - rem = cyc & ((1 << time_shift) - 1); - delta = time_offset + quot * time_mult + - ((rem * time_mult) >> time_shift); - - enabled += delta; - if (idx) - running += delta; - - quot = count / running; - rem = count % running; - count = quot * enabled + (rem * enabled) / running; - } - - return count; -} - -/* - * If the RDPMC instruction faults then signal this back to the test parent task: - */ -static void segfault_handler(int sig __maybe_unused, - siginfo_t *info __maybe_unused, - void *uc __maybe_unused) -{ - exit(-1); -} - -static int __test__rdpmc(void) -{ - volatile int tmp = 0; - u64 i, loops = 1000; - int n; - int fd; - void *addr; - struct perf_event_attr attr = { - .type = PERF_TYPE_HARDWARE, - .config = PERF_COUNT_HW_INSTRUCTIONS, - .exclude_kernel = 1, - }; - u64 delta_sum = 0; - struct sigaction sa; - - sigfillset(&sa.sa_mask); - sa.sa_sigaction = segfault_handler; - sigaction(SIGSEGV, &sa, NULL); - - fd = sys_perf_event_open(&attr, 0, -1, -1, 0); - if (fd < 0) { - pr_err("Error: sys_perf_event_open() syscall returned " - "with %d (%s)\n", fd, strerror(errno)); - return -1; - } - - addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); - if (addr == (void *)(-1)) { - pr_err("Error: mmap() syscall returned with (%s)\n", - strerror(errno)); - goto out_close; - } - - for (n = 0; n < 6; n++) { - u64 stamp, now, delta; - - stamp = mmap_read_self(addr); - - for (i = 0; i < loops; i++) - tmp++; - - now = mmap_read_self(addr); - loops *= 10; - - delta = now - stamp; - pr_debug("%14d: %14Lu\n", n, (long long)delta); - - delta_sum += delta; - } - - munmap(addr, page_size); - pr_debug(" "); -out_close: - close(fd); - - if (!delta_sum) - return -1; - - return 0; -} - -static int test__rdpmc(void) -{ - int status = 0; - int wret = 0; - int ret; - int pid; - - pid = fork(); - if (pid < 0) - return -1; - - if (!pid) { - ret = __test__rdpmc(); - - exit(ret); - } - - wret = waitpid(pid, &status, 0); - if (wret < 0 || status) - return -1; - - return 0; -} - -#endif - -static int test__perf_pmu(void) -{ - return perf_pmu__test(); -} - -static int perf_evsel__roundtrip_cache_name_test(void) -{ - char name[128]; - int type, op, err = 0, ret = 0, i, idx; - struct perf_evsel *evsel; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - - if (evlist == NULL) - return -ENOMEM; - - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!perf_evsel__is_cache_op_valid(type, op)) - continue; - - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __perf_evsel__hw_cache_type_op_res_name(type, op, i, - name, sizeof(name)); - err = parse_events(evlist, name, 0); - if (err) - ret = err; - } - } - } - - idx = 0; - evsel = perf_evlist__first(evlist); - - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!perf_evsel__is_cache_op_valid(type, op)) - continue; - - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __perf_evsel__hw_cache_type_op_res_name(type, op, i, - name, sizeof(name)); - if (evsel->idx != idx) - continue; - - ++idx; - - if (strcmp(perf_evsel__name(evsel), name)) { - pr_debug("%s != %s\n", perf_evsel__name(evsel), name); - ret = -1; - } - - evsel = perf_evsel__next(evsel); - } - } - } - - perf_evlist__delete(evlist); - return ret; -} - -static int __perf_evsel__name_array_test(const char *names[], int nr_names) -{ - int i, err; - struct perf_evsel *evsel; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - - if (evlist == NULL) - return -ENOMEM; - - for (i = 0; i < nr_names; ++i) { - err = parse_events(evlist, names[i], 0); - if (err) { - pr_debug("failed to parse event '%s', err %d\n", - names[i], err); - goto out_delete_evlist; - } - } - - err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { - if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { - --err; - pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); - } - } - -out_delete_evlist: - perf_evlist__delete(evlist); - return err; -} - -#define perf_evsel__name_array_test(names) \ - __perf_evsel__name_array_test(names, ARRAY_SIZE(names)) - -static int perf_evsel__roundtrip_name_test(void) -{ - int err = 0, ret = 0; - - err = perf_evsel__name_array_test(perf_evsel__hw_names); - if (err) - ret = err; - - err = perf_evsel__name_array_test(perf_evsel__sw_names); - if (err) - ret = err; - - err = perf_evsel__roundtrip_cache_name_test(); - if (err) - ret = err; - - return ret; -} - -static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name, - int size, bool should_be_signed) -{ - struct format_field *field = perf_evsel__field(evsel, name); - int is_signed; - int ret = 0; - - if (field == NULL) { - pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); - return -1; - } - - is_signed = !!(field->flags | FIELD_IS_SIGNED); - if (should_be_signed && !is_signed) { - pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", - evsel->name, name, is_signed, should_be_signed); - ret = -1; - } - - if (field->size != size) { - pr_debug("%s: \"%s\" size (%d) should be %d!\n", - evsel->name, name, field->size, size); - ret = -1; - } - - return ret; -} - -static int perf_evsel__tp_sched_test(void) -{ - struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0); - int ret = 0; - - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - return -1; - } - - if (perf_evsel__test_field(evsel, "prev_comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_prio", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_state", 8, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_prio", 4, true)) - ret = -1; - - perf_evsel__delete(evsel); - - evsel = perf_evsel__newtp("sched", "sched_wakeup", 0); - - if (perf_evsel__test_field(evsel, "comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prio", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "success", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) - ret = -1; - - return ret; -} - -static int test__syscall_open_tp_fields(void) -{ - struct perf_record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .no_delay = true, - .freq = 1, - .mmap_pages = 256, - .raw_samples = true, - }; - const char *filename = "/etc/passwd"; - int flags = O_RDONLY | O_DIRECTORY; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - struct perf_evsel *evsel; - int err = -1, i, nr_events = 0, nr_polls = 0; - - if (evlist == NULL) { - pr_debug("%s: perf_evlist__new\n", __func__); - goto out; - } - - evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0); - if (evsel == NULL) { - pr_debug("%s: perf_evsel__newtp\n", __func__); - goto out_delete_evlist; - } - - perf_evlist__add(evlist, evsel); - - err = perf_evlist__create_maps(evlist, &opts.target); - if (err < 0) { - pr_debug("%s: perf_evlist__create_maps\n", __func__); - goto out_delete_evlist; - } - - perf_evsel__config(evsel, &opts, evsel); - - evlist->threads->map[0] = getpid(); - - err = perf_evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - err = perf_evlist__mmap(evlist, UINT_MAX, false); - if (err < 0) { - pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - perf_evlist__enable(evlist); - - /* - * Generate the event: - */ - open(filename, flags); - - while (1) { - int before = nr_events; - - for (i = 0; i < evlist->nr_mmaps; i++) { - union perf_event *event; - - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { - const u32 type = event->header.type; - int tp_flags; - struct perf_sample sample; - - ++nr_events; - - if (type != PERF_RECORD_SAMPLE) - continue; - - err = perf_evsel__parse_sample(evsel, event, &sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; - } - - tp_flags = perf_evsel__intval(evsel, &sample, "flags"); - - if (flags != tp_flags) { - pr_debug("%s: Expected flags=%#x, got %#x\n", - __func__, flags, tp_flags); - goto out_munmap; - } - - goto out_ok; - } - } - - if (nr_events == before) - poll(evlist->pollfd, evlist->nr_fds, 10); - - if (++nr_polls > 5) { - pr_debug("%s: no events!\n", __func__); - goto out_munmap; - } - } -out_ok: - err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_delete_evlist: - perf_evlist__delete(evlist); -out: - return err; -} - -static struct test { - const char *desc; - int (*func)(void); -} tests[] = { - { - .desc = "vmlinux symtab matches kallsyms", - .func = test__vmlinux_matches_kallsyms, - }, - { - .desc = "detect open syscall event", - .func = test__open_syscall_event, - }, - { - .desc = "detect open syscall event on all cpus", - .func = test__open_syscall_event_on_all_cpus, - }, - { - .desc = "read samples using the mmap interface", - .func = test__basic_mmap, - }, - { - .desc = "parse events tests", - .func = parse_events__test, - }, -#if defined(__x86_64__) || defined(__i386__) - { - .desc = "x86 rdpmc test", - .func = test__rdpmc, - }, -#endif - { - .desc = "Validate PERF_RECORD_* events & perf_sample fields", - .func = test__PERF_RECORD, - }, - { - .desc = "Test perf pmu format parsing", - .func = test__perf_pmu, - }, - { - .desc = "Test dso data interface", - .func = dso__test_data, - }, - { - .desc = "roundtrip evsel->name check", - .func = perf_evsel__roundtrip_name_test, - }, - { - .desc = "Check parsing of sched tracepoints fields", - .func = perf_evsel__tp_sched_test, - }, - { - .desc = "Generate and check syscalls:sys_enter_open event fields", - .func = test__syscall_open_tp_fields, - }, - { - .func = NULL, - }, -}; - -static bool perf_test__matches(int curr, int argc, const char *argv[]) -{ - int i; - - if (argc == 0) - return true; - - for (i = 0; i < argc; ++i) { - char *end; - long nr = strtoul(argv[i], &end, 10); - - if (*end == '\0') { - if (nr == curr + 1) - return true; - continue; - } - - if (strstr(tests[curr].desc, argv[i])) - return true; - } - - return false; -} - -static int __cmd_test(int argc, const char *argv[]) -{ - int i = 0; - int width = 0; - - while (tests[i].func) { - int len = strlen(tests[i].desc); - - if (width < len) - width = len; - ++i; - } - - i = 0; - while (tests[i].func) { - int curr = i++, err; - - if (!perf_test__matches(curr, argc, argv)) - continue; - - pr_info("%2d: %-*s:", i, width, tests[curr].desc); - pr_debug("\n--- start ---\n"); - err = tests[curr].func(); - pr_debug("---- end ----\n%s:", tests[curr].desc); - if (err) - color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n"); - else - pr_info(" Ok\n"); - } - - return 0; -} - -static int perf_test__list(int argc, const char **argv) -{ - int i = 0; - - while (tests[i].func) { - int curr = i++; - - if (argc > 1 && !strstr(tests[curr].desc, argv[1])) - continue; - - pr_info("%2d: %s\n", i, tests[curr].desc); - } - - return 0; -} - -int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) -{ - const char * const test_usage[] = { - "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", - NULL, - }; - const struct option test_options[] = { - OPT_INCR('v', "verbose", &verbose, - "be more verbose (show symbol address, etc)"), - OPT_END() - }; - - argc = parse_options(argc, argv, test_options, test_usage, 0); - if (argc >= 1 && !strcmp(argv[0], "list")) - return perf_test__list(argc, argv); - - symbol_conf.priv_size = sizeof(int); - symbol_conf.sort_by_name = true; - symbol_conf.try_vmlinux_path = true; - - if (symbol__init() < 0) - return -1; - - return __cmd_test(argc, argv); -} diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index f2ecd498c72d..c9ff3950cd4b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -582,6 +582,11 @@ static void *display_thread_tui(void *arg) struct perf_evsel *pos; struct perf_top *top = arg; const char *help = "For a higher level overview, try: perf top --sort comm,dso"; + struct hist_browser_timer hbt = { + .timer = perf_top__sort_new_samples, + .arg = top, + .refresh = top->delay_secs, + }; perf_top__sort_new_samples(top); @@ -593,9 +598,8 @@ static void *display_thread_tui(void *arg) list_for_each_entry(pos, &top->evlist->entries, node) pos->hists.uid_filter_str = top->target.uid_str; - perf_evlist__tui_browse_hists(top->evlist, help, - perf_top__sort_new_samples, - top, top->delay_secs); + perf_evlist__tui_browse_hists(top->evlist, help, &hbt, + &top->session->header.env); exit_browser(0); exit(0); diff --git a/tools/perf/perf.c b/tools/perf/perf.c index e9683738d89f..0f661fbce6a8 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -85,21 +85,26 @@ int check_pager_config(const char *cmd) return c.val; } -static int tui_command_config(const char *var, const char *value, void *data) +static int browser_command_config(const char *var, const char *value, void *data) { struct pager_config *c = data; if (!prefixcmp(var, "tui.") && !strcmp(var + 4, c->cmd)) c->val = perf_config_bool(var, value); + if (!prefixcmp(var, "gtk.") && !strcmp(var + 4, c->cmd)) + c->val = perf_config_bool(var, value) ? 2 : 0; return 0; } -/* returns 0 for "no tui", 1 for "use tui", and -1 for "not specified" */ -static int check_tui_config(const char *cmd) +/* + * returns 0 for "no tui", 1 for "use tui", 2 for "use gtk", + * and -1 for "not specified" + */ +static int check_browser_config(const char *cmd) { struct pager_config c; c.cmd = cmd; c.val = -1; - perf_config(tui_command_config, &c); + perf_config(browser_command_config, &c); return c.val; } @@ -302,7 +307,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) prefix = NULL; /* setup_perf_directory(); */ if (use_browser == -1) - use_browser = check_tui_config(p->cmd); + use_browser = check_browser_config(p->cmd); if (use_pager == -1 && p->option & RUN_SETUP) use_pager = check_pager_config(p->cmd); @@ -484,6 +489,8 @@ int main(int argc, const char **argv) } cmd = argv[0]; + test_attr__init(); + /* * We use PATH to find perf commands, but we prepend some higher * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 469fbf2daea4..2c340e7da458 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -5,8 +5,9 @@ struct winsize; void get_term_dimensions(struct winsize *ws); +#include <asm/unistd.h> + #if defined(__i386__) -#include "../../arch/x86/include/asm/unistd.h" #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" @@ -16,7 +17,6 @@ void get_term_dimensions(struct winsize *ws); #endif #if defined(__x86_64__) -#include "../../arch/x86/include/asm/unistd.h" #define rmb() asm volatile("lfence" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" @@ -26,20 +26,18 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __powerpc__ -#include "../../arch/powerpc/include/asm/unistd.h" +#include "../../arch/powerpc/include/uapi/asm/unistd.h" #define rmb() asm volatile ("sync" ::: "memory") #define cpu_relax() asm volatile ("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __s390__ -#include "../../arch/s390/include/asm/unistd.h" #define rmb() asm volatile("bcr 15,0" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #endif #ifdef __sh__ -#include "../../arch/sh/include/asm/unistd.h" #if defined(__SH4A__) || defined(__SH5__) # define rmb() asm volatile("synco" ::: "memory") #else @@ -50,35 +48,30 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __hppa__ -#include "../../arch/parisc/include/asm/unistd.h" #define rmb() asm volatile("" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __sparc__ -#include "../../arch/sparc/include/uapi/asm/unistd.h" #define rmb() asm volatile("":::"memory") #define cpu_relax() asm volatile("":::"memory") #define CPUINFO_PROC "cpu" #endif #ifdef __alpha__ -#include "../../arch/alpha/include/asm/unistd.h" #define rmb() asm volatile("mb" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __ia64__ -#include "../../arch/ia64/include/asm/unistd.h" #define rmb() asm volatile ("mf" ::: "memory") #define cpu_relax() asm volatile ("hint @pause" ::: "memory") #define CPUINFO_PROC "model name" #endif #ifdef __arm__ -#include "../../arch/arm/include/asm/unistd.h" /* * Use the __kuser_memory_barrier helper in the CPU helper page. See * arch/arm/kernel/entry-armv.S in the kernel source for details. @@ -89,13 +82,11 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __aarch64__ -#include "../../arch/arm64/include/asm/unistd.h" #define rmb() asm volatile("dmb ld" ::: "memory") #define cpu_relax() asm volatile("yield" ::: "memory") #endif #ifdef __mips__ -#include "../../arch/mips/include/asm/unistd.h" #define rmb() asm volatile( \ ".set mips2\n\t" \ "sync\n\t" \ @@ -112,7 +103,7 @@ void get_term_dimensions(struct winsize *ws); #include <sys/types.h> #include <sys/syscall.h> -#include "../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include "util/types.h" #include <stdbool.h> @@ -174,13 +165,25 @@ static inline unsigned long long rdclock(void) (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) +extern bool test_attr__enabled; +void test_attr__init(void); +void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags); + static inline int sys_perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) { - return syscall(__NR_perf_event_open, attr, pid, cpu, - group_fd, flags); + int fd; + + fd = syscall(__NR_perf_event_open, attr, pid, cpu, + group_fd, flags); + + if (unlikely(test_attr__enabled)) + test_attr__open(attr, pid, cpu, fd, group_fd, flags); + + return fd; } #define MAX_COUNTERS 256 diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c new file mode 100644 index 000000000000..25638a986257 --- /dev/null +++ b/tools/perf/tests/attr.c @@ -0,0 +1,175 @@ + +/* + * The struct perf_event_attr test support. + * + * This test is embedded inside into perf directly and is governed + * by the PERF_TEST_ATTR environment variable and hook inside + * sys_perf_event_open function. + * + * The general idea is to store 'struct perf_event_attr' details for + * each event created within single perf command. Each event details + * are stored into separate text file. Once perf command is finished + * these files can be checked for values we expect for command. + * + * Besides 'struct perf_event_attr' values we also store 'fd' and + * 'group_fd' values to allow checking for groups created. + * + * This all is triggered by setting PERF_TEST_ATTR environment variable. + * It must contain name of existing directory with access and write + * permissions. All the event text files are stored there. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <inttypes.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include "../perf.h" +#include "util.h" +#include "exec_cmd.h" +#include "tests.h" + +#define ENV "PERF_TEST_ATTR" + +extern int verbose; + +bool test_attr__enabled; + +static char *dir; + +void test_attr__init(void) +{ + dir = getenv(ENV); + test_attr__enabled = (dir != NULL); +} + +#define BUFSIZE 1024 + +#define __WRITE_ASS(str, fmt, data) \ +do { \ + char buf[BUFSIZE]; \ + size_t size; \ + \ + size = snprintf(buf, BUFSIZE, #str "=%"fmt "\n", data); \ + if (1 != fwrite(buf, size, 1, file)) { \ + perror("test attr - failed to write event file"); \ + fclose(file); \ + return -1; \ + } \ + \ +} while (0) + +#define WRITE_ASS(field, fmt) __WRITE_ASS(field, fmt, attr->field) + +static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags) +{ + FILE *file; + char path[PATH_MAX]; + + snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, + attr->type, attr->config, fd); + + file = fopen(path, "w+"); + if (!file) { + perror("test attr - failed to open event file"); + return -1; + } + + if (fprintf(file, "[event-%d-%llu-%d]\n", + attr->type, attr->config, fd) < 0) { + perror("test attr - failed to write event file"); + fclose(file); + return -1; + } + + /* syscall arguments */ + __WRITE_ASS(fd, "d", fd); + __WRITE_ASS(group_fd, "d", group_fd); + __WRITE_ASS(cpu, "d", cpu); + __WRITE_ASS(pid, "d", pid); + __WRITE_ASS(flags, "lu", flags); + + /* struct perf_event_attr */ + WRITE_ASS(type, PRIu32); + WRITE_ASS(size, PRIu32); + WRITE_ASS(config, "llu"); + WRITE_ASS(sample_period, "llu"); + WRITE_ASS(sample_type, "llu"); + WRITE_ASS(read_format, "llu"); + WRITE_ASS(disabled, "d"); + WRITE_ASS(inherit, "d"); + WRITE_ASS(pinned, "d"); + WRITE_ASS(exclusive, "d"); + WRITE_ASS(exclude_user, "d"); + WRITE_ASS(exclude_kernel, "d"); + WRITE_ASS(exclude_hv, "d"); + WRITE_ASS(exclude_idle, "d"); + WRITE_ASS(mmap, "d"); + WRITE_ASS(comm, "d"); + WRITE_ASS(freq, "d"); + WRITE_ASS(inherit_stat, "d"); + WRITE_ASS(enable_on_exec, "d"); + WRITE_ASS(task, "d"); + WRITE_ASS(watermark, "d"); + WRITE_ASS(precise_ip, "d"); + WRITE_ASS(mmap_data, "d"); + WRITE_ASS(sample_id_all, "d"); + WRITE_ASS(exclude_host, "d"); + WRITE_ASS(exclude_guest, "d"); + WRITE_ASS(exclude_callchain_kernel, "d"); + WRITE_ASS(exclude_callchain_user, "d"); + WRITE_ASS(wakeup_events, PRIu32); + WRITE_ASS(bp_type, PRIu32); + WRITE_ASS(config1, "llu"); + WRITE_ASS(config2, "llu"); + WRITE_ASS(branch_sample_type, "llu"); + WRITE_ASS(sample_regs_user, "llu"); + WRITE_ASS(sample_stack_user, PRIu32); + + fclose(file); + return 0; +} + +void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags) +{ + int errno_saved = errno; + + if (store_event(attr, pid, cpu, fd, group_fd, flags)) + die("test attr FAILED"); + + errno = errno_saved; +} + +static int run_dir(const char *d, const char *perf) +{ + char cmd[3*PATH_MAX]; + + snprintf(cmd, 3*PATH_MAX, "python %s/attr.py -d %s/attr/ -p %s %s", + d, d, perf, verbose ? "-v" : ""); + + return system(cmd); +} + +int test__attr(void) +{ + struct stat st; + char path_perf[PATH_MAX]; + char path_dir[PATH_MAX]; + + /* First try developement tree tests. */ + if (!lstat("./tests", &st)) + return run_dir("./tests", "./perf"); + + /* Then installed path. */ + snprintf(path_dir, PATH_MAX, "%s/tests", perf_exec_path()); + snprintf(path_perf, PATH_MAX, "%s/perf", BINDIR); + + if (!lstat(path_dir, &st) && + !lstat(path_perf, &st)) + return run_dir(path_dir, path_perf); + + fprintf(stderr, " (ommitted)"); + return 0; +} diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py new file mode 100644 index 000000000000..e702b82dcb86 --- /dev/null +++ b/tools/perf/tests/attr.py @@ -0,0 +1,322 @@ +#! /usr/bin/python + +import os +import sys +import glob +import optparse +import tempfile +import logging +import shutil +import ConfigParser + +class Fail(Exception): + def __init__(self, test, msg): + self.msg = msg + self.test = test + def getMsg(self): + return '\'%s\' - %s' % (self.test.path, self.msg) + +class Unsup(Exception): + def __init__(self, test): + self.test = test + def getMsg(self): + return '\'%s\'' % self.test.path + +class Event(dict): + terms = [ + 'flags', + 'type', + 'size', + 'config', + 'sample_period', + 'sample_type', + 'read_format', + 'disabled', + 'inherit', + 'pinned', + 'exclusive', + 'exclude_user', + 'exclude_kernel', + 'exclude_hv', + 'exclude_idle', + 'mmap', + 'comm', + 'freq', + 'inherit_stat', + 'enable_on_exec', + 'task', + 'watermark', + 'precise_ip', + 'mmap_data', + 'sample_id_all', + 'exclude_host', + 'exclude_guest', + 'exclude_callchain_kernel', + 'exclude_callchain_user', + 'wakeup_events', + 'bp_type', + 'config1', + 'config2', + 'branch_sample_type', + 'sample_regs_user', + 'sample_stack_user', + ] + + def add(self, data): + for key, val in data: + log.debug(" %s = %s" % (key, val)) + self[key] = val + + def __init__(self, name, data, base): + log.info(" Event %s" % name); + self.name = name; + self.group = '' + self.add(base) + self.add(data) + + def compare_data(self, a, b): + # Allow multiple values in assignment separated by '|' + a_list = a.split('|') + b_list = b.split('|') + + for a_item in a_list: + for b_item in b_list: + if (a_item == b_item): + return True + elif (a_item == '*') or (b_item == '*'): + return True + + return False + + def equal(self, other): + for t in Event.terms: + log.debug(" [%s] %s %s" % (t, self[t], other[t])); + if not self.has_key(t) or not other.has_key(t): + return False + if not self.compare_data(self[t], other[t]): + return False + return True + +# Test file description needs to have following sections: +# [config] +# - just single instance in file +# - needs to specify: +# 'command' - perf command name +# 'args' - special command arguments +# 'ret' - expected command return value (0 by default) +# +# [eventX:base] +# - one or multiple instances in file +# - expected values assignments +class Test(object): + def __init__(self, path, options): + parser = ConfigParser.SafeConfigParser() + parser.read(path) + + log.warning("running '%s'" % path) + + self.path = path + self.test_dir = options.test_dir + self.perf = options.perf + self.command = parser.get('config', 'command') + self.args = parser.get('config', 'args') + + try: + self.ret = parser.get('config', 'ret') + except: + self.ret = 0 + + self.expect = {} + self.result = {} + log.info(" loading expected events"); + self.load_events(path, self.expect) + + def is_event(self, name): + if name.find("event") == -1: + return False + else: + return True + + def load_events(self, path, events): + parser_event = ConfigParser.SafeConfigParser() + parser_event.read(path) + + # The event record section header contains 'event' word, + # optionaly followed by ':' allowing to load 'parent + # event' first as a base + for section in filter(self.is_event, parser_event.sections()): + + parser_items = parser_event.items(section); + base_items = {} + + # Read parent event if there's any + if (':' in section): + base = section[section.index(':') + 1:] + parser_base = ConfigParser.SafeConfigParser() + parser_base.read(self.test_dir + '/' + base) + base_items = parser_base.items('event') + + e = Event(section, parser_items, base_items) + events[section] = e + + def run_cmd(self, tempdir): + cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir, + self.perf, self.command, tempdir, self.args) + ret = os.WEXITSTATUS(os.system(cmd)) + + log.info(" running '%s' ret %d " % (cmd, ret)) + + if ret != int(self.ret): + raise Unsup(self) + + def compare(self, expect, result): + match = {} + + log.info(" compare"); + + # For each expected event find all matching + # events in result. Fail if there's not any. + for exp_name, exp_event in expect.items(): + exp_list = [] + log.debug(" matching [%s]" % exp_name) + for res_name, res_event in result.items(): + log.debug(" to [%s]" % res_name) + if (exp_event.equal(res_event)): + exp_list.append(res_name) + log.debug(" ->OK") + else: + log.debug(" ->FAIL"); + + log.info(" match: [%s] matches %s" % (exp_name, str(exp_list))) + + # we did not any matching event - fail + if (not exp_list): + raise Fail(self, 'match failure'); + + match[exp_name] = exp_list + + # For each defined group in the expected events + # check we match the same group in the result. + for exp_name, exp_event in expect.items(): + group = exp_event.group + + if (group == ''): + continue + + for res_name in match[exp_name]: + res_group = result[res_name].group + if res_group not in match[group]: + raise Fail(self, 'group failure') + + log.info(" group: [%s] matches group leader %s" % + (exp_name, str(match[group]))) + + log.info(" matched") + + def resolve_groups(self, events): + for name, event in events.items(): + group_fd = event['group_fd']; + if group_fd == '-1': + continue; + + for iname, ievent in events.items(): + if (ievent['fd'] == group_fd): + event.group = iname + log.debug('[%s] has group leader [%s]' % (name, iname)) + break; + + def run(self): + tempdir = tempfile.mkdtemp(); + + try: + # run the test script + self.run_cmd(tempdir); + + # load events expectation for the test + log.info(" loading result events"); + for f in glob.glob(tempdir + '/event*'): + self.load_events(f, self.result); + + # resolve group_fd to event names + self.resolve_groups(self.expect); + self.resolve_groups(self.result); + + # do the expectation - results matching - both ways + self.compare(self.expect, self.result) + self.compare(self.result, self.expect) + + finally: + # cleanup + shutil.rmtree(tempdir) + + +def run_tests(options): + for f in glob.glob(options.test_dir + '/' + options.test): + try: + Test(f, options).run() + except Unsup, obj: + log.warning("unsupp %s" % obj.getMsg()) + +def setup_log(verbose): + global log + level = logging.CRITICAL + + if verbose == 1: + level = logging.WARNING + if verbose == 2: + level = logging.INFO + if verbose >= 3: + level = logging.DEBUG + + log = logging.getLogger('test') + log.setLevel(level) + ch = logging.StreamHandler() + ch.setLevel(level) + formatter = logging.Formatter('%(message)s') + ch.setFormatter(formatter) + log.addHandler(ch) + +USAGE = '''%s [OPTIONS] + -d dir # tests dir + -p path # perf binary + -t test # single test + -v # verbose level +''' % sys.argv[0] + +def main(): + parser = optparse.OptionParser(usage=USAGE) + + parser.add_option("-t", "--test", + action="store", type="string", dest="test") + parser.add_option("-d", "--test-dir", + action="store", type="string", dest="test_dir") + parser.add_option("-p", "--perf", + action="store", type="string", dest="perf") + parser.add_option("-v", "--verbose", + action="count", dest="verbose") + + options, args = parser.parse_args() + if args: + parser.error('FAILED wrong arguments %s' % ' '.join(args)) + return -1 + + setup_log(options.verbose) + + if not options.test_dir: + print 'FAILED no -d option specified' + sys.exit(-1) + + if not options.test: + options.test = 'test*' + + try: + run_tests(options) + + except Fail, obj: + print "FAILED %s" % obj.getMsg(); + sys.exit(-1) + + sys.exit(0) + +if __name__ == '__main__': + main() diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README new file mode 100644 index 000000000000..d102957cd59a --- /dev/null +++ b/tools/perf/tests/attr/README @@ -0,0 +1,64 @@ +The struct perf_event_attr test (attr tests) support +==================================================== +This testing support is embedded into perf directly and is governed +by the PERF_TEST_ATTR environment variable and hook inside the +sys_perf_event_open function. + +The general idea is to store 'struct perf_event_attr' details for +each event created within single perf command. Each event details +are stored into separate text file. Once perf command is finished +these files are checked for values we expect for command. + +The attr tests consist of following parts: + +tests/attr.c +------------ +This is the sys_perf_event_open hook implementation. The hook +is triggered when the PERF_TEST_ATTR environment variable is +defined. It must contain name of existing directory with access +and write permissions. + +For each sys_perf_event_open call event details are stored in +separate file. Besides 'struct perf_event_attr' values we also +store 'fd' and 'group_fd' values to allow checking for groups. + +tests/attr.py +------------- +This is the python script that does all the hard work. It reads +the test definition, executes it and checks results. + +tests/attr/ +----------- +Directory containing all attr test definitions. +Following tests are defined (with perf commands): + + perf record kill (test-record-basic) + perf record -b kill (test-record-branch-any) + perf record -j any kill (test-record-branch-filter-any) + perf record -j any_call kill (test-record-branch-filter-any_call) + perf record -j any_ret kill (test-record-branch-filter-any_ret) + perf record -j hv kill (test-record-branch-filter-hv) + perf record -j ind_call kill (test-record-branch-filter-ind_call) + perf record -j k kill (test-record-branch-filter-k) + perf record -j u kill (test-record-branch-filter-u) + perf record -c 123 kill (test-record-count) + perf record -d kill (test-record-data) + perf record -F 100 kill (test-record-freq) + perf record -g -- kill (test-record-graph-default) + perf record -g dwarf -- kill (test-record-graph-dwarf) + perf record -g fp kill (test-record-graph-fp) + perf record --group -e cycles,instructions kill (test-record-group) + perf record -e '{cycles,instructions}' kill (test-record-group1) + perf record -D kill (test-record-no-delay) + perf record -i kill (test-record-no-inherit) + perf record -n kill (test-record-no-samples) + perf record -c 100 -P kill (test-record-period) + perf record -R kill (test-record-raw) + perf stat -e cycles kill (test-stat-basic) + perf stat kill (test-stat-default) + perf stat -d kill (test-stat-detailed-1) + perf stat -dd kill (test-stat-detailed-2) + perf stat -ddd kill (test-stat-detailed-3) + perf stat --group -e cycles,instructions kill (test-stat-group) + perf stat -e '{cycles,instructions}' kill (test-stat-group1) + perf stat -i -e cycles kill (test-stat-no-inherit) diff --git a/tools/perf/tests/attr/base-record b/tools/perf/tests/attr/base-record new file mode 100644 index 000000000000..f1485d8e6a0b --- /dev/null +++ b/tools/perf/tests/attr/base-record @@ -0,0 +1,39 @@ +[event] +fd=1 +group_fd=-1 +flags=0 +type=0|1 +size=96 +config=0 +sample_period=4000 +sample_type=263 +read_format=7 +disabled=1 +inherit=1 +pinned=0 +exclusive=0 +exclude_user=0 +exclude_kernel=0 +exclude_hv=0 +exclude_idle=0 +mmap=1 +comm=1 +freq=1 +inherit_stat=0 +enable_on_exec=1 +task=0 +watermark=0 +precise_ip=0 +mmap_data=0 +sample_id_all=1 +exclude_host=0 +exclude_guest=1 +exclude_callchain_kernel=0 +exclude_callchain_user=0 +wakeup_events=0 +bp_type=0 +config1=0 +config2=0 +branch_sample_type=0 +sample_regs_user=0 +sample_stack_user=0 diff --git a/tools/perf/tests/attr/base-stat b/tools/perf/tests/attr/base-stat new file mode 100644 index 000000000000..4bd79a82784f --- /dev/null +++ b/tools/perf/tests/attr/base-stat @@ -0,0 +1,39 @@ +[event] +fd=1 +group_fd=-1 +flags=0 +type=0 +size=96 +config=0 +sample_period=0 +sample_type=0 +read_format=3 +disabled=1 +inherit=1 +pinned=0 +exclusive=0 +exclude_user=0 +exclude_kernel=0 +exclude_hv=0 +exclude_idle=0 +mmap=0 +comm=0 +freq=0 +inherit_stat=0 +enable_on_exec=1 +task=0 +watermark=0 +precise_ip=0 +mmap_data=0 +sample_id_all=0 +exclude_host=0 +exclude_guest=1 +exclude_callchain_kernel=0 +exclude_callchain_user=0 +wakeup_events=0 +bp_type=0 +config1=0 +config2=0 +branch_sample_type=0 +sample_regs_user=0 +sample_stack_user=0 diff --git a/tools/perf/tests/attr/test-record-basic b/tools/perf/tests/attr/test-record-basic new file mode 100644 index 000000000000..55c0428370ca --- /dev/null +++ b/tools/perf/tests/attr/test-record-basic @@ -0,0 +1,5 @@ +[config] +command = record +args = kill >/dev/null 2>&1 + +[event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-any b/tools/perf/tests/attr/test-record-branch-any new file mode 100644 index 000000000000..1421960ed4e9 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-any @@ -0,0 +1,8 @@ +[config] +command = record +args = -b kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any b/tools/perf/tests/attr/test-record-branch-filter-any new file mode 100644 index 000000000000..915c4df0e0c2 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_call b/tools/perf/tests/attr/test-record-branch-filter-any_call new file mode 100644 index 000000000000..8708dbd4f373 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any_call @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any_call kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=16 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_ret b/tools/perf/tests/attr/test-record-branch-filter-any_ret new file mode 100644 index 000000000000..0d3607a6dcbe --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any_ret @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any_ret kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=32 diff --git a/tools/perf/tests/attr/test-record-branch-filter-hv b/tools/perf/tests/attr/test-record-branch-filter-hv new file mode 100644 index 000000000000..f25526740cec --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-hv @@ -0,0 +1,8 @@ +[config] +command = record +args = -j hv kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-ind_call b/tools/perf/tests/attr/test-record-branch-filter-ind_call new file mode 100644 index 000000000000..e862dd179128 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-ind_call @@ -0,0 +1,8 @@ +[config] +command = record +args = -j ind_call kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=64 diff --git a/tools/perf/tests/attr/test-record-branch-filter-k b/tools/perf/tests/attr/test-record-branch-filter-k new file mode 100644 index 000000000000..182971e898f5 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-k @@ -0,0 +1,8 @@ +[config] +command = record +args = -j k kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-u b/tools/perf/tests/attr/test-record-branch-filter-u new file mode 100644 index 000000000000..83449ef9e687 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-u @@ -0,0 +1,8 @@ +[config] +command = record +args = -j u kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-count b/tools/perf/tests/attr/test-record-count new file mode 100644 index 000000000000..2f841de56f6b --- /dev/null +++ b/tools/perf/tests/attr/test-record-count @@ -0,0 +1,8 @@ +[config] +command = record +args = -c 123 kill >/dev/null 2>&1 + +[event:base-record] +sample_period=123 +sample_type=7 +freq=0 diff --git a/tools/perf/tests/attr/test-record-data b/tools/perf/tests/attr/test-record-data new file mode 100644 index 000000000000..6627c3e7534a --- /dev/null +++ b/tools/perf/tests/attr/test-record-data @@ -0,0 +1,8 @@ +[config] +command = record +args = -d kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=271 +mmap_data=1 diff --git a/tools/perf/tests/attr/test-record-freq b/tools/perf/tests/attr/test-record-freq new file mode 100644 index 000000000000..600d0f8f2583 --- /dev/null +++ b/tools/perf/tests/attr/test-record-freq @@ -0,0 +1,6 @@ +[config] +command = record +args = -F 100 kill >/dev/null 2>&1 + +[event:base-record] +sample_period=100 diff --git a/tools/perf/tests/attr/test-record-graph-default b/tools/perf/tests/attr/test-record-graph-default new file mode 100644 index 000000000000..833d1849d767 --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-default @@ -0,0 +1,6 @@ +[config] +command = record +args = -g -- kill >/dev/null 2>&1 + +[event:base-record] +sample_type=295 diff --git a/tools/perf/tests/attr/test-record-graph-dwarf b/tools/perf/tests/attr/test-record-graph-dwarf new file mode 100644 index 000000000000..e93e082f5208 --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-dwarf @@ -0,0 +1,10 @@ +[config] +command = record +args = -g dwarf -- kill >/dev/null 2>&1 + +[event:base-record] +sample_type=12583 +exclude_callchain_user=1 +sample_stack_user=8192 +# TODO different for each arch, no support for that now +sample_regs_user=* diff --git a/tools/perf/tests/attr/test-record-graph-fp b/tools/perf/tests/attr/test-record-graph-fp new file mode 100644 index 000000000000..7cef3743f03f --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-fp @@ -0,0 +1,6 @@ +[config] +command = record +args = -g fp kill >/dev/null 2>&1 + +[event:base-record] +sample_type=295 diff --git a/tools/perf/tests/attr/test-record-group b/tools/perf/tests/attr/test-record-group new file mode 100644 index 000000000000..a6599e9a19d3 --- /dev/null +++ b/tools/perf/tests/attr/test-record-group @@ -0,0 +1,18 @@ +[config] +command = record +args = --group -e cycles,instructions kill >/dev/null 2>&1 + +[event-1:base-record] +fd=1 +group_fd=-1 +sample_type=327 + +[event-2:base-record] +fd=2 +group_fd=1 +config=1 +sample_type=327 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 diff --git a/tools/perf/tests/attr/test-record-group1 b/tools/perf/tests/attr/test-record-group1 new file mode 100644 index 000000000000..5a8359da38af --- /dev/null +++ b/tools/perf/tests/attr/test-record-group1 @@ -0,0 +1,19 @@ +[config] +command = record +args = -e '{cycles,instructions}' kill >/tmp/krava 2>&1 + +[event-1:base-record] +fd=1 +group_fd=-1 +sample_type=327 + +[event-2:base-record] +fd=2 +group_fd=1 +type=0 +config=1 +sample_type=327 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 diff --git a/tools/perf/tests/attr/test-record-no-delay b/tools/perf/tests/attr/test-record-no-delay new file mode 100644 index 000000000000..f253b78cdbf2 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-delay @@ -0,0 +1,9 @@ +[config] +command = record +args = -D kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=263 +watermark=0 +wakeup_events=1 diff --git a/tools/perf/tests/attr/test-record-no-inherit b/tools/perf/tests/attr/test-record-no-inherit new file mode 100644 index 000000000000..9079a25cd643 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-inherit @@ -0,0 +1,7 @@ +[config] +command = record +args = -i kill >/dev/null 2>&1 + +[event:base-record] +sample_type=259 +inherit=0 diff --git a/tools/perf/tests/attr/test-record-no-samples b/tools/perf/tests/attr/test-record-no-samples new file mode 100644 index 000000000000..d0141b2418b5 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-samples @@ -0,0 +1,6 @@ +[config] +command = record +args = -n kill >/dev/null 2>&1 + +[event:base-record] +sample_period=0 diff --git a/tools/perf/tests/attr/test-record-period b/tools/perf/tests/attr/test-record-period new file mode 100644 index 000000000000..8abc5314fc52 --- /dev/null +++ b/tools/perf/tests/attr/test-record-period @@ -0,0 +1,7 @@ +[config] +command = record +args = -c 100 -P kill >/dev/null 2>&1 + +[event:base-record] +sample_period=100 +freq=0 diff --git a/tools/perf/tests/attr/test-record-raw b/tools/perf/tests/attr/test-record-raw new file mode 100644 index 000000000000..4a8ef25b5f49 --- /dev/null +++ b/tools/perf/tests/attr/test-record-raw @@ -0,0 +1,7 @@ +[config] +command = record +args = -R kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=1415 diff --git a/tools/perf/tests/attr/test-stat-basic b/tools/perf/tests/attr/test-stat-basic new file mode 100644 index 000000000000..74e17881f2ba --- /dev/null +++ b/tools/perf/tests/attr/test-stat-basic @@ -0,0 +1,6 @@ +[config] +command = stat +args = -e cycles kill >/dev/null 2>&1 +ret = 1 + +[event:base-stat] diff --git a/tools/perf/tests/attr/test-stat-default b/tools/perf/tests/attr/test-stat-default new file mode 100644 index 000000000000..19270f54c96e --- /dev/null +++ b/tools/perf/tests/attr/test-stat-default @@ -0,0 +1,64 @@ +[config] +command = stat +args = kill >/dev/null 2>&1 +ret = 1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 diff --git a/tools/perf/tests/attr/test-stat-detailed-1 b/tools/perf/tests/attr/test-stat-detailed-1 new file mode 100644 index 000000000000..51426b87153b --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-1 @@ -0,0 +1,101 @@ +[config] +command = stat +args = -d kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 diff --git a/tools/perf/tests/attr/test-stat-detailed-2 b/tools/perf/tests/attr/test-stat-detailed-2 new file mode 100644 index 000000000000..8de5acc31c27 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-2 @@ -0,0 +1,155 @@ +[config] +command = stat +args = -dd kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event15:base-stat] +fd=15 +type=3 +config=1 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event16:base-stat] +fd=16 +type=3 +config=65537 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event17:base-stat] +fd=17 +type=3 +config=3 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event18:base-stat] +fd=18 +type=3 +config=65539 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event19:base-stat] +fd=19 +type=3 +config=4 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event20:base-stat] +fd=20 +type=3 +config=65540 diff --git a/tools/perf/tests/attr/test-stat-detailed-3 b/tools/perf/tests/attr/test-stat-detailed-3 new file mode 100644 index 000000000000..0a1f45bf7d79 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-3 @@ -0,0 +1,173 @@ +[config] +command = stat +args = -ddd kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event15:base-stat] +fd=15 +type=3 +config=1 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event16:base-stat] +fd=16 +type=3 +config=65537 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event17:base-stat] +fd=17 +type=3 +config=3 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event18:base-stat] +fd=18 +type=3 +config=65539 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event19:base-stat] +fd=19 +type=3 +config=4 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event20:base-stat] +fd=20 +type=3 +config=65540 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event21:base-stat] +fd=21 +type=3 +config=512 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event22:base-stat] +fd=22 +type=3 +config=66048 diff --git a/tools/perf/tests/attr/test-stat-group b/tools/perf/tests/attr/test-stat-group new file mode 100644 index 000000000000..fdc1596a8862 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-group @@ -0,0 +1,15 @@ +[config] +command = stat +args = --group -e cycles,instructions kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-stat] +fd=1 +group_fd=-1 + +[event-2:base-stat] +fd=2 +group_fd=1 +config=1 +disabled=0 +enable_on_exec=0 diff --git a/tools/perf/tests/attr/test-stat-group1 b/tools/perf/tests/attr/test-stat-group1 new file mode 100644 index 000000000000..2a1f86e4a904 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-group1 @@ -0,0 +1,15 @@ +[config] +command = stat +args = -e '{cycles,instructions}' kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-stat] +fd=1 +group_fd=-1 + +[event-2:base-stat] +fd=2 +group_fd=1 +config=1 +disabled=0 +enable_on_exec=0 diff --git a/tools/perf/tests/attr/test-stat-no-inherit b/tools/perf/tests/attr/test-stat-no-inherit new file mode 100644 index 000000000000..d54b2a1e3e28 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-no-inherit @@ -0,0 +1,7 @@ +[config] +command = stat +args = -i -e cycles kill >/dev/null 2>&1 +ret = 1 + +[event:base-stat] +inherit=0 diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c new file mode 100644 index 000000000000..186f67535494 --- /dev/null +++ b/tools/perf/tests/builtin-test.c @@ -0,0 +1,173 @@ +/* + * builtin-test.c + * + * Builtin regression testing command: ever growing number of sanity tests + */ +#include "builtin.h" +#include "tests.h" +#include "debug.h" +#include "color.h" +#include "parse-options.h" +#include "symbol.h" + +static struct test { + const char *desc; + int (*func)(void); +} tests[] = { + { + .desc = "vmlinux symtab matches kallsyms", + .func = test__vmlinux_matches_kallsyms, + }, + { + .desc = "detect open syscall event", + .func = test__open_syscall_event, + }, + { + .desc = "detect open syscall event on all cpus", + .func = test__open_syscall_event_on_all_cpus, + }, + { + .desc = "read samples using the mmap interface", + .func = test__basic_mmap, + }, + { + .desc = "parse events tests", + .func = test__parse_events, + }, +#if defined(__x86_64__) || defined(__i386__) + { + .desc = "x86 rdpmc test", + .func = test__rdpmc, + }, +#endif + { + .desc = "Validate PERF_RECORD_* events & perf_sample fields", + .func = test__PERF_RECORD, + }, + { + .desc = "Test perf pmu format parsing", + .func = test__pmu, + }, + { + .desc = "Test dso data interface", + .func = test__dso_data, + }, + { + .desc = "roundtrip evsel->name check", + .func = test__perf_evsel__roundtrip_name_test, + }, + { + .desc = "Check parsing of sched tracepoints fields", + .func = test__perf_evsel__tp_sched_test, + }, + { + .desc = "Generate and check syscalls:sys_enter_open event fields", + .func = test__syscall_open_tp_fields, + }, + { + .desc = "struct perf_event_attr setup", + .func = test__attr, + }, + { + .func = NULL, + }, +}; + +static bool perf_test__matches(int curr, int argc, const char *argv[]) +{ + int i; + + if (argc == 0) + return true; + + for (i = 0; i < argc; ++i) { + char *end; + long nr = strtoul(argv[i], &end, 10); + + if (*end == '\0') { + if (nr == curr + 1) + return true; + continue; + } + + if (strstr(tests[curr].desc, argv[i])) + return true; + } + + return false; +} + +static int __cmd_test(int argc, const char *argv[]) +{ + int i = 0; + int width = 0; + + while (tests[i].func) { + int len = strlen(tests[i].desc); + + if (width < len) + width = len; + ++i; + } + + i = 0; + while (tests[i].func) { + int curr = i++, err; + + if (!perf_test__matches(curr, argc, argv)) + continue; + + pr_info("%2d: %-*s:", i, width, tests[curr].desc); + pr_debug("\n--- start ---\n"); + err = tests[curr].func(); + pr_debug("---- end ----\n%s:", tests[curr].desc); + if (err) + color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n"); + else + pr_info(" Ok\n"); + } + + return 0; +} + +static int perf_test__list(int argc, const char **argv) +{ + int i = 0; + + while (tests[i].func) { + int curr = i++; + + if (argc > 1 && !strstr(tests[curr].desc, argv[1])) + continue; + + pr_info("%2d: %s\n", i, tests[curr].desc); + } + + return 0; +} + +int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) +{ + const char * const test_usage[] = { + "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", + NULL, + }; + const struct option test_options[] = { + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show symbol address, etc)"), + OPT_END() + }; + + argc = parse_options(argc, argv, test_options, test_usage, 0); + if (argc >= 1 && !strcmp(argv[0], "list")) + return perf_test__list(argc, argv); + + symbol_conf.priv_size = sizeof(int); + symbol_conf.sort_by_name = true; + symbol_conf.try_vmlinux_path = true; + + if (symbol__init() < 0) + return -1; + + return __cmd_test(argc, argv); +} diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/tests/dso-data.c index c6caedeb1d6b..5eaffa2de9c5 100644 --- a/tools/perf/util/dso-test-data.c +++ b/tools/perf/tests/dso-data.c @@ -6,7 +6,9 @@ #include <fcntl.h> #include <string.h> +#include "machine.h" #include "symbol.h" +#include "tests.h" #define TEST_ASSERT_VAL(text, cond) \ do { \ @@ -24,6 +26,10 @@ static char *test_file(int size) unsigned char *buf; fd = mkstemp(templ); + if (fd < 0) { + perror("mkstemp failed"); + return NULL; + } buf = malloc(size); if (!buf) { @@ -94,7 +100,7 @@ struct test_data_offset offsets[] = { }, }; -int dso__test_data(void) +int test__dso_data(void) { struct machine machine; struct dso *dso; diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c new file mode 100644 index 000000000000..e61fc828a158 --- /dev/null +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -0,0 +1,114 @@ +#include "evlist.h" +#include "evsel.h" +#include "parse-events.h" +#include "tests.h" + +static int perf_evsel__roundtrip_cache_name_test(void) +{ + char name[128]; + int type, op, err = 0, ret = 0, i, idx; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + + if (evlist == NULL) + return -ENOMEM; + + for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + /* skip invalid cache type */ + if (!perf_evsel__is_cache_op_valid(type, op)) + continue; + + for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { + __perf_evsel__hw_cache_type_op_res_name(type, op, i, + name, sizeof(name)); + err = parse_events(evlist, name, 0); + if (err) + ret = err; + } + } + } + + idx = 0; + evsel = perf_evlist__first(evlist); + + for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + /* skip invalid cache type */ + if (!perf_evsel__is_cache_op_valid(type, op)) + continue; + + for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { + __perf_evsel__hw_cache_type_op_res_name(type, op, i, + name, sizeof(name)); + if (evsel->idx != idx) + continue; + + ++idx; + + if (strcmp(perf_evsel__name(evsel), name)) { + pr_debug("%s != %s\n", perf_evsel__name(evsel), name); + ret = -1; + } + + evsel = perf_evsel__next(evsel); + } + } + } + + perf_evlist__delete(evlist); + return ret; +} + +static int __perf_evsel__name_array_test(const char *names[], int nr_names) +{ + int i, err; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + + if (evlist == NULL) + return -ENOMEM; + + for (i = 0; i < nr_names; ++i) { + err = parse_events(evlist, names[i], 0); + if (err) { + pr_debug("failed to parse event '%s', err %d\n", + names[i], err); + goto out_delete_evlist; + } + } + + err = 0; + list_for_each_entry(evsel, &evlist->entries, node) { + if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { + --err; + pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); + } + } + +out_delete_evlist: + perf_evlist__delete(evlist); + return err; +} + +#define perf_evsel__name_array_test(names) \ + __perf_evsel__name_array_test(names, ARRAY_SIZE(names)) + +int test__perf_evsel__roundtrip_name_test(void) +{ + int err = 0, ret = 0; + + err = perf_evsel__name_array_test(perf_evsel__hw_names); + if (err) + ret = err; + + err = perf_evsel__name_array_test(perf_evsel__sw_names); + if (err) + ret = err; + + err = perf_evsel__roundtrip_cache_name_test(); + if (err) + ret = err; + + return ret; +} diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c new file mode 100644 index 000000000000..a5d2fcc5ae35 --- /dev/null +++ b/tools/perf/tests/evsel-tp-sched.c @@ -0,0 +1,84 @@ +#include "evsel.h" +#include "tests.h" +#include "event-parse.h" + +static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name, + int size, bool should_be_signed) +{ + struct format_field *field = perf_evsel__field(evsel, name); + int is_signed; + int ret = 0; + + if (field == NULL) { + pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); + return -1; + } + + is_signed = !!(field->flags | FIELD_IS_SIGNED); + if (should_be_signed && !is_signed) { + pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", + evsel->name, name, is_signed, should_be_signed); + ret = -1; + } + + if (field->size != size) { + pr_debug("%s: \"%s\" size (%d) should be %d!\n", + evsel->name, name, field->size, size); + ret = -1; + } + + return ret; +} + +int test__perf_evsel__tp_sched_test(void) +{ + struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0); + int ret = 0; + + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + return -1; + } + + if (perf_evsel__test_field(evsel, "prev_comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_prio", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_state", 8, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_prio", 4, true)) + ret = -1; + + perf_evsel__delete(evsel); + + evsel = perf_evsel__newtp("sched", "sched_wakeup", 0); + + if (perf_evsel__test_field(evsel, "comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prio", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "success", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) + ret = -1; + + return ret; +} diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c new file mode 100644 index 000000000000..e1746811e14b --- /dev/null +++ b/tools/perf/tests/mmap-basic.c @@ -0,0 +1,162 @@ +#include "evlist.h" +#include "evsel.h" +#include "thread_map.h" +#include "cpumap.h" +#include "tests.h" + +/* + * This test will generate random numbers of calls to some getpid syscalls, + * then establish an mmap for a group of events that are created to monitor + * the syscalls. + * + * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated + * sample.id field to map back to its respective perf_evsel instance. + * + * Then it checks if the number of syscalls reported as perf events by + * the kernel corresponds to the number of syscalls made. + */ +int test__basic_mmap(void) +{ + int err = -1; + union perf_event *event; + struct thread_map *threads; + struct cpu_map *cpus; + struct perf_evlist *evlist; + struct perf_event_attr attr = { + .type = PERF_TYPE_TRACEPOINT, + .read_format = PERF_FORMAT_ID, + .sample_type = PERF_SAMPLE_ID, + .watermark = 0, + }; + cpu_set_t cpu_set; + const char *syscall_names[] = { "getsid", "getppid", "getpgrp", + "getpgid", }; + pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp, + (void*)getpgid }; +#define nsyscalls ARRAY_SIZE(syscall_names) + int ids[nsyscalls]; + unsigned int nr_events[nsyscalls], + expected_nr_events[nsyscalls], i, j; + struct perf_evsel *evsels[nsyscalls], *evsel; + + for (i = 0; i < nsyscalls; ++i) { + char name[64]; + + snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]); + ids[i] = trace_event__id(name); + if (ids[i] < 0) { + pr_debug("Is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + nr_events[i] = 0; + expected_nr_events[i] = random() % 257; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + cpus = cpu_map__new(NULL); + if (cpus == NULL) { + pr_debug("cpu_map__new\n"); + goto out_free_threads; + } + + CPU_ZERO(&cpu_set); + CPU_SET(cpus->map[0], &cpu_set); + sched_setaffinity(0, sizeof(cpu_set), &cpu_set); + if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { + pr_debug("sched_setaffinity() failed on CPU %d: %s ", + cpus->map[0], strerror(errno)); + goto out_free_cpus; + } + + evlist = perf_evlist__new(cpus, threads); + if (evlist == NULL) { + pr_debug("perf_evlist__new\n"); + goto out_free_cpus; + } + + /* anonymous union fields, can't be initialized above */ + attr.wakeup_events = 1; + attr.sample_period = 1; + + for (i = 0; i < nsyscalls; ++i) { + attr.config = ids[i]; + evsels[i] = perf_evsel__new(&attr, i); + if (evsels[i] == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_free_evlist; + } + + perf_evlist__add(evlist, evsels[i]); + + if (perf_evsel__open(evsels[i], cpus, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_close_fd; + } + } + + if (perf_evlist__mmap(evlist, 128, true) < 0) { + pr_debug("failed to mmap events: %d (%s)\n", errno, + strerror(errno)); + goto out_close_fd; + } + + for (i = 0; i < nsyscalls; ++i) + for (j = 0; j < expected_nr_events[i]; ++j) { + int foo = syscalls[i](); + ++foo; + } + + while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) { + struct perf_sample sample; + + if (event->header.type != PERF_RECORD_SAMPLE) { + pr_debug("unexpected %s event\n", + perf_event__name(event->header.type)); + goto out_munmap; + } + + err = perf_evlist__parse_sample(evlist, event, &sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto out_munmap; + } + + evsel = perf_evlist__id2evsel(evlist, sample.id); + if (evsel == NULL) { + pr_debug("event with id %" PRIu64 + " doesn't map to an evsel\n", sample.id); + goto out_munmap; + } + nr_events[evsel->idx]++; + } + + list_for_each_entry(evsel, &evlist->entries, node) { + if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { + pr_debug("expected %d %s events, got %d\n", + expected_nr_events[evsel->idx], + perf_evsel__name(evsel), nr_events[evsel->idx]); + goto out_munmap; + } + } + + err = 0; +out_munmap: + perf_evlist__munmap(evlist); +out_close_fd: + for (i = 0; i < nsyscalls; ++i) + perf_evsel__close_fd(evsels[i], 1, threads->nr); +out_free_evlist: + perf_evlist__delete(evlist); +out_free_cpus: + cpu_map__delete(cpus); +out_free_threads: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/tests/open-syscall-all-cpus.c b/tools/perf/tests/open-syscall-all-cpus.c new file mode 100644 index 000000000000..31072aba0d54 --- /dev/null +++ b/tools/perf/tests/open-syscall-all-cpus.c @@ -0,0 +1,120 @@ +#include "evsel.h" +#include "tests.h" +#include "thread_map.h" +#include "cpumap.h" +#include "debug.h" + +int test__open_syscall_event_on_all_cpus(void) +{ + int err = -1, fd, cpu; + struct thread_map *threads; + struct cpu_map *cpus; + struct perf_evsel *evsel; + struct perf_event_attr attr; + unsigned int nr_open_calls = 111, i; + cpu_set_t cpu_set; + int id = trace_event__id("sys_enter_open"); + + if (id < 0) { + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + cpus = cpu_map__new(NULL); + if (cpus == NULL) { + pr_debug("cpu_map__new\n"); + goto out_thread_map_delete; + } + + + CPU_ZERO(&cpu_set); + + memset(&attr, 0, sizeof(attr)); + attr.type = PERF_TYPE_TRACEPOINT; + attr.config = id; + evsel = perf_evsel__new(&attr, 0); + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_thread_map_delete; + } + + if (perf_evsel__open(evsel, cpus, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_evsel_delete; + } + + for (cpu = 0; cpu < cpus->nr; ++cpu) { + unsigned int ncalls = nr_open_calls + cpu; + /* + * XXX eventually lift this restriction in a way that + * keeps perf building on older glibc installations + * without CPU_ALLOC. 1024 cpus in 2010 still seems + * a reasonable upper limit tho :-) + */ + if (cpus->map[cpu] >= CPU_SETSIZE) { + pr_debug("Ignoring CPU %d\n", cpus->map[cpu]); + continue; + } + + CPU_SET(cpus->map[cpu], &cpu_set); + if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { + pr_debug("sched_setaffinity() failed on CPU %d: %s ", + cpus->map[cpu], + strerror(errno)); + goto out_close_fd; + } + for (i = 0; i < ncalls; ++i) { + fd = open("/etc/passwd", O_RDONLY); + close(fd); + } + CPU_CLR(cpus->map[cpu], &cpu_set); + } + + /* + * Here we need to explicitely preallocate the counts, as if + * we use the auto allocation it will allocate just for 1 cpu, + * as we start by cpu 0. + */ + if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) { + pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr); + goto out_close_fd; + } + + err = 0; + + for (cpu = 0; cpu < cpus->nr; ++cpu) { + unsigned int expected; + + if (cpus->map[cpu] >= CPU_SETSIZE) + continue; + + if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) { + pr_debug("perf_evsel__read_on_cpu\n"); + err = -1; + break; + } + + expected = nr_open_calls + cpu; + if (evsel->counts->cpu[cpu].val != expected) { + pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n", + expected, cpus->map[cpu], evsel->counts->cpu[cpu].val); + err = -1; + } + } + +out_close_fd: + perf_evsel__close_fd(evsel, 1, threads->nr); +out_evsel_delete: + perf_evsel__delete(evsel); +out_thread_map_delete: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/tests/open-syscall-tp-fields.c b/tools/perf/tests/open-syscall-tp-fields.c new file mode 100644 index 000000000000..1c52fdc1164e --- /dev/null +++ b/tools/perf/tests/open-syscall-tp-fields.c @@ -0,0 +1,117 @@ +#include "perf.h" +#include "evlist.h" +#include "evsel.h" +#include "thread_map.h" +#include "tests.h" + +int test__syscall_open_tp_fields(void) +{ + struct perf_record_opts opts = { + .target = { + .uid = UINT_MAX, + .uses_mmap = true, + }, + .no_delay = true, + .freq = 1, + .mmap_pages = 256, + .raw_samples = true, + }; + const char *filename = "/etc/passwd"; + int flags = O_RDONLY | O_DIRECTORY; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + struct perf_evsel *evsel; + int err = -1, i, nr_events = 0, nr_polls = 0; + + if (evlist == NULL) { + pr_debug("%s: perf_evlist__new\n", __func__); + goto out; + } + + evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0); + if (evsel == NULL) { + pr_debug("%s: perf_evsel__newtp\n", __func__); + goto out_delete_evlist; + } + + perf_evlist__add(evlist, evsel); + + err = perf_evlist__create_maps(evlist, &opts.target); + if (err < 0) { + pr_debug("%s: perf_evlist__create_maps\n", __func__); + goto out_delete_evlist; + } + + perf_evsel__config(evsel, &opts); + + evlist->threads->map[0] = getpid(); + + err = perf_evlist__open(evlist); + if (err < 0) { + pr_debug("perf_evlist__open: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + err = perf_evlist__mmap(evlist, UINT_MAX, false); + if (err < 0) { + pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + perf_evlist__enable(evlist); + + /* + * Generate the event: + */ + open(filename, flags); + + while (1) { + int before = nr_events; + + for (i = 0; i < evlist->nr_mmaps; i++) { + union perf_event *event; + + while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + const u32 type = event->header.type; + int tp_flags; + struct perf_sample sample; + + ++nr_events; + + if (type != PERF_RECORD_SAMPLE) + continue; + + err = perf_evsel__parse_sample(evsel, event, &sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto out_munmap; + } + + tp_flags = perf_evsel__intval(evsel, &sample, "flags"); + + if (flags != tp_flags) { + pr_debug("%s: Expected flags=%#x, got %#x\n", + __func__, flags, tp_flags); + goto out_munmap; + } + + goto out_ok; + } + } + + if (nr_events == before) + poll(evlist->pollfd, evlist->nr_fds, 10); + + if (++nr_polls > 5) { + pr_debug("%s: no events!\n", __func__); + goto out_munmap; + } + } +out_ok: + err = 0; +out_munmap: + perf_evlist__munmap(evlist); +out_delete_evlist: + perf_evlist__delete(evlist); +out: + return err; +} diff --git a/tools/perf/tests/open-syscall.c b/tools/perf/tests/open-syscall.c new file mode 100644 index 000000000000..98be8b518b4f --- /dev/null +++ b/tools/perf/tests/open-syscall.c @@ -0,0 +1,66 @@ +#include "thread_map.h" +#include "evsel.h" +#include "debug.h" +#include "tests.h" + +int test__open_syscall_event(void) +{ + int err = -1, fd; + struct thread_map *threads; + struct perf_evsel *evsel; + struct perf_event_attr attr; + unsigned int nr_open_calls = 111, i; + int id = trace_event__id("sys_enter_open"); + + if (id < 0) { + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + memset(&attr, 0, sizeof(attr)); + attr.type = PERF_TYPE_TRACEPOINT; + attr.config = id; + evsel = perf_evsel__new(&attr, 0); + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_thread_map_delete; + } + + if (perf_evsel__open_per_thread(evsel, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_evsel_delete; + } + + for (i = 0; i < nr_open_calls; ++i) { + fd = open("/etc/passwd", O_RDONLY); + close(fd); + } + + if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) { + pr_debug("perf_evsel__read_on_cpu\n"); + goto out_close_fd; + } + + if (evsel->counts->cpu[0].val != nr_open_calls) { + pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", + nr_open_calls, evsel->counts->cpu[0].val); + goto out_close_fd; + } + + err = 0; +out_close_fd: + perf_evsel__close_fd(evsel, 1, threads->nr); +out_evsel_delete: + perf_evsel__delete(evsel); +out_thread_map_delete: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/tests/parse-events.c index b49c2eebff33..32ee478905eb 100644 --- a/tools/perf/util/parse-events-test.c +++ b/tools/perf/tests/parse-events.c @@ -3,7 +3,8 @@ #include "evsel.h" #include "evlist.h" #include "sysfs.h" -#include "../../../include/linux/hw_breakpoint.h" +#include "tests.h" +#include <linux/hw_breakpoint.h> #define TEST_ASSERT_VAL(text, cond) \ do { \ @@ -520,7 +521,7 @@ static int test__group1(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* cycles:upp */ evsel = perf_evsel__next(evsel); @@ -556,7 +557,7 @@ static int test__group2(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* cache-references + :u modifier */ evsel = perf_evsel__next(evsel); @@ -582,7 +583,7 @@ static int test__group2(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -605,7 +606,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); TEST_ASSERT_VAL("wrong group name", !strcmp(leader->group_name, "group1")); @@ -635,7 +636,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); TEST_ASSERT_VAL("wrong group name", !strcmp(leader->group_name, "group2")); @@ -662,7 +663,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -686,7 +687,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions:kp + p */ evsel = perf_evsel__next(evsel); @@ -723,7 +724,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions + G */ evsel = perf_evsel__next(evsel); @@ -750,7 +751,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions:G */ evsel = perf_evsel__next(evsel); @@ -776,7 +777,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -1086,7 +1087,7 @@ static int test_pmu_events(void) return ret; } -int parse_events__test(void) +int test__parse_events(void) { int ret1, ret2 = 0; diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c new file mode 100644 index 000000000000..70e0d4421df8 --- /dev/null +++ b/tools/perf/tests/perf-record.c @@ -0,0 +1,312 @@ +#include <sched.h> +#include "evlist.h" +#include "evsel.h" +#include "perf.h" +#include "debug.h" +#include "tests.h" + +static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t *maskp) +{ + int i, cpu = -1, nrcpus = 1024; +realloc: + CPU_ZERO(maskp); + + if (sched_getaffinity(pid, sizeof(*maskp), maskp) == -1) { + if (errno == EINVAL && nrcpus < (1024 << 8)) { + nrcpus = nrcpus << 2; + goto realloc; + } + perror("sched_getaffinity"); + return -1; + } + + for (i = 0; i < nrcpus; i++) { + if (CPU_ISSET(i, maskp)) { + if (cpu == -1) + cpu = i; + else + CPU_CLR(i, maskp); + } + } + + return cpu; +} + +int test__PERF_RECORD(void) +{ + struct perf_record_opts opts = { + .target = { + .uid = UINT_MAX, + .uses_mmap = true, + }, + .no_delay = true, + .freq = 10, + .mmap_pages = 256, + }; + cpu_set_t cpu_mask; + size_t cpu_mask_size = sizeof(cpu_mask); + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + struct perf_evsel *evsel; + struct perf_sample sample; + const char *cmd = "sleep"; + const char *argv[] = { cmd, "1", NULL, }; + char *bname; + u64 prev_time = 0; + bool found_cmd_mmap = false, + found_libc_mmap = false, + found_vdso_mmap = false, + found_ld_mmap = false; + int err = -1, errs = 0, i, wakeups = 0; + u32 cpu; + int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, }; + + if (evlist == NULL || argv == NULL) { + pr_debug("Not enough memory to create evlist\n"); + goto out; + } + + /* + * We need at least one evsel in the evlist, use the default + * one: "cycles". + */ + err = perf_evlist__add_default(evlist); + if (err < 0) { + pr_debug("Not enough memory to create evsel\n"); + goto out_delete_evlist; + } + + /* + * Create maps of threads and cpus to monitor. In this case + * we start with all threads and cpus (-1, -1) but then in + * 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); + if (err < 0) { + pr_debug("Not enough memory to create thread/cpu maps\n"); + goto out_delete_evlist; + } + + /* + * Prepare the workload in argv[] to run, it'll fork it, and then wait + * for perf_evlist__start_workload() to exec it. This is done this way + * so that we have time to open the evlist (calling sys_perf_event_open + * on all the fds) and then mmap them. + */ + err = perf_evlist__prepare_workload(evlist, &opts, argv); + if (err < 0) { + pr_debug("Couldn't run the workload!\n"); + goto out_delete_evlist; + } + + /* + * Config the evsels, setting attr->comm on the first one, etc. + */ + evsel = perf_evlist__first(evlist); + evsel->attr.sample_type |= PERF_SAMPLE_CPU; + evsel->attr.sample_type |= PERF_SAMPLE_TID; + evsel->attr.sample_type |= PERF_SAMPLE_TIME; + perf_evlist__config_attrs(evlist, &opts); + + err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); + if (err < 0) { + pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + cpu = err; + + /* + * So that we can check perf_sample.cpu on all the samples. + */ + if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { + pr_debug("sched_setaffinity: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * Call sys_perf_event_open on all the fds on all the evsels, + * grouping them if asked to. + */ + err = perf_evlist__open(evlist); + if (err < 0) { + pr_debug("perf_evlist__open: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * mmap the first fd on a given CPU and ask for events for the other + * fds in the same CPU to be injected in the same mmap ring buffer + * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)). + */ + err = perf_evlist__mmap(evlist, opts.mmap_pages, false); + if (err < 0) { + pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * Now that all is properly set up, enable the events, they will + * count just on workload.pid, which will start... + */ + perf_evlist__enable(evlist); + + /* + * Now! + */ + perf_evlist__start_workload(evlist); + + while (1) { + int before = total_events; + + for (i = 0; i < evlist->nr_mmaps; i++) { + union perf_event *event; + + while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + const u32 type = event->header.type; + const char *name = perf_event__name(type); + + ++total_events; + if (type < PERF_RECORD_MAX) + nr_events[type]++; + + err = perf_evlist__parse_sample(evlist, event, &sample); + if (err < 0) { + if (verbose) + perf_event__fprintf(event, stderr); + pr_debug("Couldn't parse sample\n"); + goto out_err; + } + + if (verbose) { + pr_info("%" PRIu64" %d ", sample.time, sample.cpu); + perf_event__fprintf(event, stderr); + } + + if (prev_time > sample.time) { + pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n", + name, prev_time, sample.time); + ++errs; + } + + prev_time = sample.time; + + if (sample.cpu != cpu) { + pr_debug("%s with unexpected cpu, expected %d, got %d\n", + name, cpu, sample.cpu); + ++errs; + } + + if ((pid_t)sample.pid != evlist->workload.pid) { + pr_debug("%s with unexpected pid, expected %d, got %d\n", + name, evlist->workload.pid, sample.pid); + ++errs; + } + + if ((pid_t)sample.tid != evlist->workload.pid) { + pr_debug("%s with unexpected tid, expected %d, got %d\n", + name, evlist->workload.pid, sample.tid); + ++errs; + } + + if ((type == PERF_RECORD_COMM || + type == PERF_RECORD_MMAP || + type == PERF_RECORD_FORK || + type == PERF_RECORD_EXIT) && + (pid_t)event->comm.pid != evlist->workload.pid) { + pr_debug("%s with unexpected pid/tid\n", name); + ++errs; + } + + if ((type == PERF_RECORD_COMM || + type == PERF_RECORD_MMAP) && + event->comm.pid != event->comm.tid) { + pr_debug("%s with different pid/tid!\n", name); + ++errs; + } + + switch (type) { + case PERF_RECORD_COMM: + if (strcmp(event->comm.comm, cmd)) { + pr_debug("%s with unexpected comm!\n", name); + ++errs; + } + break; + case PERF_RECORD_EXIT: + goto found_exit; + case PERF_RECORD_MMAP: + bname = strrchr(event->mmap.filename, '/'); + if (bname != NULL) { + if (!found_cmd_mmap) + found_cmd_mmap = !strcmp(bname + 1, cmd); + if (!found_libc_mmap) + found_libc_mmap = !strncmp(bname + 1, "libc", 4); + if (!found_ld_mmap) + found_ld_mmap = !strncmp(bname + 1, "ld", 2); + } else if (!found_vdso_mmap) + found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]"); + break; + + case PERF_RECORD_SAMPLE: + /* Just ignore samples for now */ + break; + default: + pr_debug("Unexpected perf_event->header.type %d!\n", + type); + ++errs; + } + } + } + + /* + * We don't use poll here because at least at 3.1 times the + * PERF_RECORD_{!SAMPLE} events don't honour + * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does. + */ + if (total_events == before && false) + poll(evlist->pollfd, evlist->nr_fds, -1); + + sleep(1); + if (++wakeups > 5) { + pr_debug("No PERF_RECORD_EXIT event!\n"); + break; + } + } + +found_exit: + if (nr_events[PERF_RECORD_COMM] > 1) { + pr_debug("Excessive number of PERF_RECORD_COMM events!\n"); + ++errs; + } + + if (nr_events[PERF_RECORD_COMM] == 0) { + pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd); + ++errs; + } + + if (!found_cmd_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd); + ++errs; + } + + if (!found_libc_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc"); + ++errs; + } + + if (!found_ld_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld"); + ++errs; + } + + if (!found_vdso_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); + ++errs; + } +out_err: + perf_evlist__munmap(evlist); +out_delete_evlist: + perf_evlist__delete(evlist); +out: + return (err < 0 || errs > 0) ? -1 : 0; +} diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c new file mode 100644 index 000000000000..a5f379863b8f --- /dev/null +++ b/tools/perf/tests/pmu.c @@ -0,0 +1,178 @@ +#include "parse-events.h" +#include "pmu.h" +#include "util.h" +#include "tests.h" + +/* Simulated format definitions. */ +static struct test_format { + const char *name; + const char *value; +} test_formats[] = { + { "krava01", "config:0-1,62-63\n", }, + { "krava02", "config:10-17\n", }, + { "krava03", "config:5\n", }, + { "krava11", "config1:0,2,4,6,8,20-28\n", }, + { "krava12", "config1:63\n", }, + { "krava13", "config1:45-47\n", }, + { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, + { "krava22", "config2:8,18,48,58\n", }, + { "krava23", "config2:28-29,38\n", }, +}; + +#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format)) + +/* Simulated users input. */ +static struct parse_events__term test_terms[] = { + { + .config = (char *) "krava01", + .val.num = 15, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava02", + .val.num = 170, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava03", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava11", + .val.num = 27, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava12", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava13", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava21", + .val.num = 119, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava22", + .val.num = 11, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava23", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, +}; +#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) + +/* + * Prepare format directory data, exported by kernel + * at /sys/bus/event_source/devices/<dev>/format. + */ +static char *test_format_dir_get(void) +{ + static char dir[PATH_MAX]; + unsigned int i; + + snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); + if (!mkdtemp(dir)) + return NULL; + + for (i = 0; i < TEST_FORMATS_CNT; i++) { + static char name[PATH_MAX]; + struct test_format *format = &test_formats[i]; + FILE *file; + + snprintf(name, PATH_MAX, "%s/%s", dir, format->name); + + file = fopen(name, "w"); + if (!file) + return NULL; + + if (1 != fwrite(format->value, strlen(format->value), 1, file)) + break; + + fclose(file); + } + + return dir; +} + +/* Cleanup format directory. */ +static int test_format_dir_put(char *dir) +{ + char buf[PATH_MAX]; + snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); + if (system(buf)) + return -1; + + snprintf(buf, PATH_MAX, "rmdir %s\n", dir); + return system(buf); +} + +static struct list_head *test_terms_list(void) +{ + static LIST_HEAD(terms); + unsigned int i; + + for (i = 0; i < TERMS_CNT; i++) + list_add_tail(&test_terms[i].list, &terms); + + return &terms; +} + +#undef TERMS_CNT + +int test__pmu(void) +{ + char *format = test_format_dir_get(); + LIST_HEAD(formats); + struct list_head *terms = test_terms_list(); + int ret; + + if (!format) + return -EINVAL; + + do { + struct perf_event_attr attr; + + memset(&attr, 0, sizeof(attr)); + + ret = perf_pmu__format_parse(format, &formats); + if (ret) + break; + + ret = perf_pmu__config_terms(&formats, &attr, terms); + if (ret) + break; + + ret = -EINVAL; + + if (attr.config != 0xc00000000002a823) + break; + if (attr.config1 != 0x8000400000000145) + break; + if (attr.config2 != 0x0400000020041d07) + break; + + ret = 0; + } while (0); + + test_format_dir_put(format); + return ret; +} diff --git a/tools/perf/tests/rdpmc.c b/tools/perf/tests/rdpmc.c new file mode 100644 index 000000000000..ff94886aad99 --- /dev/null +++ b/tools/perf/tests/rdpmc.c @@ -0,0 +1,175 @@ +#include <unistd.h> +#include <stdlib.h> +#include <signal.h> +#include <sys/mman.h> +#include "types.h" +#include "perf.h" +#include "debug.h" +#include "tests.h" + +#if defined(__x86_64__) || defined(__i386__) + +#define barrier() asm volatile("" ::: "memory") + +static u64 rdpmc(unsigned int counter) +{ + unsigned int low, high; + + asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); + + return low | ((u64)high) << 32; +} + +static u64 rdtsc(void) +{ + unsigned int low, high; + + asm volatile("rdtsc" : "=a" (low), "=d" (high)); + + return low | ((u64)high) << 32; +} + +static u64 mmap_read_self(void *addr) +{ + struct perf_event_mmap_page *pc = addr; + u32 seq, idx, time_mult = 0, time_shift = 0; + u64 count, cyc = 0, time_offset = 0, enabled, running, delta; + + do { + seq = pc->lock; + barrier(); + + enabled = pc->time_enabled; + running = pc->time_running; + + if (enabled != running) { + cyc = rdtsc(); + time_mult = pc->time_mult; + time_shift = pc->time_shift; + time_offset = pc->time_offset; + } + + idx = pc->index; + count = pc->offset; + if (idx) + count += rdpmc(idx - 1); + + barrier(); + } while (pc->lock != seq); + + if (enabled != running) { + u64 quot, rem; + + quot = (cyc >> time_shift); + rem = cyc & ((1 << time_shift) - 1); + delta = time_offset + quot * time_mult + + ((rem * time_mult) >> time_shift); + + enabled += delta; + if (idx) + running += delta; + + quot = count / running; + rem = count % running; + count = quot * enabled + (rem * enabled) / running; + } + + return count; +} + +/* + * If the RDPMC instruction faults then signal this back to the test parent task: + */ +static void segfault_handler(int sig __maybe_unused, + siginfo_t *info __maybe_unused, + void *uc __maybe_unused) +{ + exit(-1); +} + +static int __test__rdpmc(void) +{ + volatile int tmp = 0; + u64 i, loops = 1000; + int n; + int fd; + void *addr; + struct perf_event_attr attr = { + .type = PERF_TYPE_HARDWARE, + .config = PERF_COUNT_HW_INSTRUCTIONS, + .exclude_kernel = 1, + }; + u64 delta_sum = 0; + struct sigaction sa; + + sigfillset(&sa.sa_mask); + sa.sa_sigaction = segfault_handler; + sigaction(SIGSEGV, &sa, NULL); + + fd = sys_perf_event_open(&attr, 0, -1, -1, 0); + if (fd < 0) { + pr_err("Error: sys_perf_event_open() syscall returned " + "with %d (%s)\n", fd, strerror(errno)); + return -1; + } + + addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); + if (addr == (void *)(-1)) { + pr_err("Error: mmap() syscall returned with (%s)\n", + strerror(errno)); + goto out_close; + } + + for (n = 0; n < 6; n++) { + u64 stamp, now, delta; + + stamp = mmap_read_self(addr); + + for (i = 0; i < loops; i++) + tmp++; + + now = mmap_read_self(addr); + loops *= 10; + + delta = now - stamp; + pr_debug("%14d: %14Lu\n", n, (long long)delta); + + delta_sum += delta; + } + + munmap(addr, page_size); + pr_debug(" "); +out_close: + close(fd); + + if (!delta_sum) + return -1; + + return 0; +} + +int test__rdpmc(void) +{ + int status = 0; + int wret = 0; + int ret; + int pid; + + pid = fork(); + if (pid < 0) + return -1; + + if (!pid) { + ret = __test__rdpmc(); + + exit(ret); + } + + wret = waitpid(pid, &status, 0); + if (wret < 0 || status) + return -1; + + return 0; +} + +#endif diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h new file mode 100644 index 000000000000..fc121edab016 --- /dev/null +++ b/tools/perf/tests/tests.h @@ -0,0 +1,22 @@ +#ifndef TESTS_H +#define TESTS_H + +/* Tests */ +int test__vmlinux_matches_kallsyms(void); +int test__open_syscall_event(void); +int test__open_syscall_event_on_all_cpus(void); +int test__basic_mmap(void); +int test__PERF_RECORD(void); +int test__rdpmc(void); +int test__perf_evsel__roundtrip_name_test(void); +int test__perf_evsel__tp_sched_test(void); +int test__syscall_open_tp_fields(void); +int test__pmu(void); +int test__attr(void); +int test__dso_data(void); +int test__parse_events(void); + +/* Util */ +int trace_event__id(const char *evname); + +#endif /* TESTS_H */ diff --git a/tools/perf/tests/util.c b/tools/perf/tests/util.c new file mode 100644 index 000000000000..748f2e8f6961 --- /dev/null +++ b/tools/perf/tests/util.c @@ -0,0 +1,30 @@ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "tests.h" +#include "debugfs.h" + +int trace_event__id(const char *evname) +{ + char *filename; + int err = -1, fd; + + if (asprintf(&filename, + "%s/syscalls/%s/id", + tracing_events_path, evname) < 0) + return -1; + + fd = open(filename, O_RDONLY); + if (fd >= 0) { + char id[16]; + if (read(fd, id, sizeof(id)) > 0) + err = atoi(id); + close(fd); + } + + free(filename); + return err; +} diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c new file mode 100644 index 000000000000..0d1cdbee2f59 --- /dev/null +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -0,0 +1,230 @@ +#include <linux/compiler.h> +#include <linux/rbtree.h> +#include <string.h> +#include "map.h" +#include "symbol.h" +#include "util.h" +#include "tests.h" +#include "debug.h" +#include "machine.h" + +static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused, + struct symbol *sym) +{ + bool *visited = symbol__priv(sym); + *visited = true; + return 0; +} + +int test__vmlinux_matches_kallsyms(void) +{ + int err = -1; + struct rb_node *nd; + struct symbol *sym; + struct map *kallsyms_map, *vmlinux_map; + struct machine kallsyms, vmlinux; + enum map_type type = MAP__FUNCTION; + struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", }; + + /* + * Step 1: + * + * Init the machines that will hold kernel, modules obtained from + * both vmlinux + .ko files and from /proc/kallsyms split by modules. + */ + machine__init(&kallsyms, "", HOST_KERNEL_ID); + machine__init(&vmlinux, "", HOST_KERNEL_ID); + + /* + * Step 2: + * + * Create the kernel maps for kallsyms and the DSO where we will then + * load /proc/kallsyms. Also create the modules maps from /proc/modules + * and find the .ko files that match them in /lib/modules/`uname -r`/. + */ + if (machine__create_kernel_maps(&kallsyms) < 0) { + pr_debug("machine__create_kernel_maps "); + return -1; + } + + /* + * Step 3: + * + * Load and split /proc/kallsyms into multiple maps, one per module. + */ + if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) { + pr_debug("dso__load_kallsyms "); + goto out; + } + + /* + * Step 4: + * + * kallsyms will be internally on demand sorted by name so that we can + * find the reference relocation * symbol, i.e. the symbol we will use + * to see if the running kernel was relocated by checking if it has the + * same value in the vmlinux file we load. + */ + kallsyms_map = machine__kernel_map(&kallsyms, type); + + sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL); + if (sym == NULL) { + pr_debug("dso__find_symbol_by_name "); + goto out; + } + + ref_reloc_sym.addr = sym->start; + + /* + * Step 5: + * + * Now repeat step 2, this time for the vmlinux file we'll auto-locate. + */ + if (machine__create_kernel_maps(&vmlinux) < 0) { + pr_debug("machine__create_kernel_maps "); + goto out; + } + + vmlinux_map = machine__kernel_map(&vmlinux, type); + map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym; + + /* + * Step 6: + * + * Locate a vmlinux file in the vmlinux path that has a buildid that + * matches the one of the running kernel. + * + * While doing that look if we find the ref reloc symbol, if we find it + * we'll have its ref_reloc_symbol.unrelocated_addr and then + * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines + * to fixup the symbols. + */ + if (machine__load_vmlinux_path(&vmlinux, type, + vmlinux_matches_kallsyms_filter) <= 0) { + pr_debug("machine__load_vmlinux_path "); + goto out; + } + + err = 0; + /* + * Step 7: + * + * Now look at the symbols in the vmlinux DSO and check if we find all of them + * in the kallsyms dso. For the ones that are in both, check its names and + * end addresses too. + */ + for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) { + struct symbol *pair, *first_pair; + bool backwards = true; + + sym = rb_entry(nd, struct symbol, rb_node); + + if (sym->start == sym->end) + continue; + + first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL); + pair = first_pair; + + if (pair && pair->start == sym->start) { +next_pair: + if (strcmp(sym->name, pair->name) == 0) { + /* + * kallsyms don't have the symbol end, so we + * set that by using the next symbol start - 1, + * in some cases we get this up to a page + * wrong, trace_kmalloc when I was developing + * this code was one such example, 2106 bytes + * off the real size. More than that and we + * _really_ have a problem. + */ + s64 skew = sym->end - pair->end; + if (llabs(skew) < page_size) + continue; + + pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n", + sym->start, sym->name, sym->end, pair->end); + } else { + struct rb_node *nnd; +detour: + nnd = backwards ? rb_prev(&pair->rb_node) : + rb_next(&pair->rb_node); + if (nnd) { + struct symbol *next = rb_entry(nnd, struct symbol, rb_node); + + if (next->start == sym->start) { + pair = next; + goto next_pair; + } + } + + if (backwards) { + backwards = false; + pair = first_pair; + goto detour; + } + + pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", + sym->start, sym->name, pair->name); + } + } else + pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name); + + err = -1; + } + + if (!verbose) + goto out; + + pr_info("Maps only in vmlinux:\n"); + + for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node), *pair; + /* + * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while + * the kernel will have the path for the vmlinux file being used, + * so use the short name, less descriptive but the same ("[kernel]" in + * both cases. + */ + pair = map_groups__find_by_name(&kallsyms.kmaps, type, + (pos->dso->kernel ? + pos->dso->short_name : + pos->dso->name)); + if (pair) + pair->priv = 1; + else + map__fprintf(pos, stderr); + } + + pr_info("Maps in vmlinux with a different name in kallsyms:\n"); + + for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node), *pair; + + pair = map_groups__find(&kallsyms.kmaps, type, pos->start); + if (pair == NULL || pair->priv) + continue; + + if (pair->start == pos->start) { + pair->priv = 1; + pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", + pos->start, pos->end, pos->pgoff, pos->dso->name); + if (pos->pgoff != pair->pgoff || pos->end != pair->end) + pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "", + pair->start, pair->end, pair->pgoff); + pr_info(" %s\n", pair->dso->name); + pair->priv = 1; + } + } + + pr_info("Maps only in kallsyms:\n"); + + for (nd = rb_first(&kallsyms.kmaps.maps[type]); + nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node); + + if (!pos->priv) + map__fprintf(pos, stderr); + } +out: + return err; +} diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 28f8aab73aee..5dab3ca96980 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -188,6 +188,12 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) struct disasm_line *cursor = ab->selection, *target; struct browser_disasm_line *btarget, *bcursor; unsigned int from, to; + struct map_symbol *ms = ab->b.priv; + struct symbol *sym = ms->sym; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; if (!cursor || !cursor->ins || !ins__is_jump(cursor->ins) || !disasm_line__has_offset(cursor)) @@ -386,9 +392,8 @@ static void annotate_browser__init_asm_mode(struct annotate_browser *browser) browser->b.nr_entries = browser->nr_asm_entries; } -static bool annotate_browser__callq(struct annotate_browser *browser, - int evidx, void (*timer)(void *arg), - void *arg, int delay_secs) +static bool annotate_browser__callq(struct annotate_browser *browser, int evidx, + struct hist_browser_timer *hbt) { struct map_symbol *ms = browser->b.priv; struct disasm_line *dl = browser->selection; @@ -418,7 +423,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser, } pthread_mutex_unlock(¬es->lock); - symbol__tui_annotate(target, ms->map, evidx, timer, arg, delay_secs); + symbol__tui_annotate(target, ms->map, evidx, hbt); ui_browser__show_title(&browser->b, sym->name); return true; } @@ -602,13 +607,13 @@ static void annotate_browser__update_addr_width(struct annotate_browser *browser } static int annotate_browser__run(struct annotate_browser *browser, int evidx, - void(*timer)(void *arg), - void *arg, int delay_secs) + struct hist_browser_timer *hbt) { struct rb_node *nd = NULL; struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; const char *help = "Press 'h' for help on key bindings"; + int delay_secs = hbt ? hbt->refresh : 0; int key; if (ui_browser__show(&browser->b, sym->name, help) < 0) @@ -639,8 +644,8 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx, switch (key) { case K_TIMER: - if (timer != NULL) - timer(arg); + if (hbt) + hbt->timer(hbt->arg); if (delay_secs != 0) symbol__annotate_decay_histogram(sym, evidx); @@ -740,7 +745,7 @@ show_help: goto show_sup_ins; goto out; } else if (!(annotate_browser__jump(browser) || - annotate_browser__callq(browser, evidx, timer, arg, delay_secs))) { + annotate_browser__callq(browser, evidx, hbt))) { show_sup_ins: ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); } @@ -763,16 +768,21 @@ out: } int hist_entry__tui_annotate(struct hist_entry *he, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { - return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, - timer, arg, delay_secs); + return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, hbt); } static void annotate_browser__mark_jump_targets(struct annotate_browser *browser, size_t size) { u64 offset; + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; for (offset = 0; offset < size; ++offset) { struct disasm_line *dl = browser->offsets[offset], *dlt; @@ -816,8 +826,7 @@ static inline int width_jumps(int n) } int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt) { struct disasm_line *pos, *n; struct annotation *notes; @@ -899,7 +908,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, annotate_browser__update_addr_width(&browser); - ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs); + ret = annotate_browser__run(&browser, evidx, hbt); list_for_each_entry_safe(pos, n, ¬es->src->source, node) { list_del(&pos->node); disasm_line__free(pos); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index fe622845872e..ccc4bd161420 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -11,6 +11,7 @@ #include "../../util/pstack.h" #include "../../util/sort.h" #include "../../util/util.h" +#include "../../arch/common.h" #include "../browser.h" #include "../helpline.h" @@ -310,10 +311,11 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser) } static int hist_browser__run(struct hist_browser *browser, const char *ev_name, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { int key; char title[160]; + int delay_secs = hbt ? hbt->refresh : 0; browser->b.entries = &browser->hists->entries; browser->b.nr_entries = browser->hists->nr_entries; @@ -330,7 +332,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name, switch (key) { case K_TIMER: - timer(arg); + hbt->timer(hbt->arg); ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); if (browser->hists->stats.nr_lost_warned != @@ -1127,11 +1129,17 @@ static inline void free_popup_options(char **options, int n) } } +/* Check whether the browser is for 'top' or 'report' */ +static inline bool is_report_browser(void *timer) +{ + return timer == NULL; +} + static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, const char *helpline, const char *ev_name, bool left_exits, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { struct hists *hists = &evsel->hists; struct hist_browser *browser = hist_browser__new(hists); @@ -1142,6 +1150,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int key = -1; char buf[64]; char script_opt[64]; + int delay_secs = hbt ? hbt->refresh : 0; if (browser == NULL) return -1; @@ -1164,7 +1173,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, nr_options = 0; - key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); + key = hist_browser__run(browser, ev_name, hbt); if (browser->he_selection != NULL) { thread = hist_browser__selected_thread(browser); @@ -1214,7 +1223,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, } continue; case 'r': - goto do_scripts; + if (is_report_browser(hbt)) + goto do_scripts; + continue; case K_F1: case 'h': case '?': @@ -1233,7 +1244,7 @@ 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" - "r Run available scripts\n" + "r Run available scripts('perf report' only)\n" "P Print histograms to perf.hist.N\n" "V Verbose (DSO names in callchains, etc)\n" "/ Filter symbol by name"); @@ -1358,6 +1369,9 @@ retry_popup_menu: struct hist_entry *he; int err; do_annotate: + if (!objdump_path && perf_session_env__lookup_objdump(env)) + continue; + he = hist_browser__selected_entry(browser); if (he == NULL) continue; @@ -1380,8 +1394,7 @@ do_annotate: * Don't let this be freed, say, by hists__decay_entry. */ he->used = true; - err = hist_entry__tui_annotate(he, evsel->idx, - timer, arg, delay_secs); + err = hist_entry__tui_annotate(he, evsel->idx, hbt); he->used = false; /* * offer option to annotate the other branch source or target @@ -1462,6 +1475,7 @@ struct perf_evsel_menu { struct ui_browser b; struct perf_evsel *selection; bool lost_events, lost_events_warned; + struct perf_session_env *env; }; static void perf_evsel_menu__write(struct ui_browser *browser, @@ -1504,11 +1518,12 @@ static void perf_evsel_menu__write(struct ui_browser *browser, static int perf_evsel_menu__run(struct perf_evsel_menu *menu, int nr_events, const char *help, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { struct perf_evlist *evlist = menu->b.priv; struct perf_evsel *pos; const char *ev_name, *title = "Available samples"; + int delay_secs = hbt ? hbt->refresh : 0; int key; if (ui_browser__show(&menu->b, title, @@ -1520,7 +1535,7 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu, switch (key) { case K_TIMER: - timer(arg); + hbt->timer(hbt->arg); if (!menu->lost_events_warned && menu->lost_events) { ui_browser__warn_lost_events(&menu->b); @@ -1538,12 +1553,12 @@ browse_hists: * Give the calling tool a chance to populate the non * default evsel resorted hists tree. */ - if (timer) - timer(arg); + if (hbt) + hbt->timer(hbt->arg); ev_name = perf_evsel__name(pos); key = perf_evsel__hists_browse(pos, nr_events, help, - ev_name, true, timer, - arg, delay_secs); + ev_name, true, hbt, + menu->env); ui_browser__show_title(&menu->b, title); switch (key) { case K_TAB: @@ -1591,8 +1606,8 @@ out: static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { struct perf_evsel *pos; struct perf_evsel_menu menu = { @@ -1604,6 +1619,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, .nr_entries = evlist->nr_entries, .priv = evlist, }, + .env = env, }; ui_helpline__push("Press ESC to exit"); @@ -1616,23 +1632,20 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, menu.b.width = line_len; } - return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, - arg, delay_secs); + return perf_evsel_menu__run(&menu, evlist->nr_entries, help, hbt); } int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { if (evlist->nr_entries == 1) { struct perf_evsel *first = list_entry(evlist->entries.next, struct perf_evsel, node); const char *ev_name = perf_evsel__name(first); return perf_evsel__hists_browse(first, evlist->nr_entries, help, - ev_name, false, timer, arg, - delay_secs); + ev_name, false, hbt, env); } - return __perf_evlist__tui_browse_hists(evlist, help, - timer, arg, delay_secs); + return __perf_evlist__tui_browse_hists(evlist, help, hbt, env); } diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index 4125c6284114..253b6219a39e 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -237,9 +237,7 @@ static GtkWidget *perf_gtk__setup_statusbar(void) int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, - void (*timer) (void *arg)__maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused) { struct perf_evsel *pos; GtkWidget *vbox; diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h index 687af0bba187..856320e2cc05 100644 --- a/tools/perf/ui/gtk/gtk.h +++ b/tools/perf/ui/gtk/gtk.h @@ -30,6 +30,7 @@ struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window); int perf_gtk__deactivate_context(struct perf_gtk_context **ctx); void perf_gtk__init_helpline(void); +void perf_gtk__init_progress(void); void perf_gtk__init_hpp(void); #ifndef HAVE_GTK_INFO_BAR diff --git a/tools/perf/ui/gtk/progress.c b/tools/perf/ui/gtk/progress.c new file mode 100644 index 000000000000..482bcf3df9b7 --- /dev/null +++ b/tools/perf/ui/gtk/progress.c @@ -0,0 +1,59 @@ +#include <inttypes.h> + +#include "gtk.h" +#include "../progress.h" +#include "util.h" + +static GtkWidget *dialog; +static GtkWidget *progress; + +static void gtk_progress_update(u64 curr, u64 total, const char *title) +{ + double fraction = total ? 1.0 * curr / total : 0.0; + char buf[1024]; + + if (dialog == NULL) { + GtkWidget *vbox = gtk_vbox_new(TRUE, 5); + GtkWidget *label = gtk_label_new(title); + + dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL); + progress = gtk_progress_bar_new(); + + gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3); + gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3); + + gtk_container_add(GTK_CONTAINER(dialog), vbox); + + gtk_window_set_title(GTK_WINDOW(dialog), "perf"); + gtk_window_resize(GTK_WINDOW(dialog), 300, 80); + gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER); + + gtk_widget_show_all(dialog); + } + + gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction); + snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, curr, total); + gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf); + + /* we didn't call gtk_main yet, so do it manually */ + while (gtk_events_pending()) + gtk_main_iteration(); +} + +static void gtk_progress_finish(void) +{ + /* this will also destroy all of its children */ + gtk_widget_destroy(dialog); + + dialog = NULL; +} + +static struct ui_progress gtk_progress_fns = { + .update = gtk_progress_update, + .finish = gtk_progress_finish, +}; + +void perf_gtk__init_progress(void) +{ + progress_fns = >k_progress_fns; +} diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c index 3c4c6ef78283..6c2dd2e423f3 100644 --- a/tools/perf/ui/gtk/setup.c +++ b/tools/perf/ui/gtk/setup.c @@ -8,7 +8,9 @@ int perf_gtk__init(void) { perf_error__register(&perf_gtk_eops); perf_gtk__init_helpline(); + perf_gtk__init_progress(); perf_gtk__init_hpp(); + return gtk_init_check(NULL, NULL) ? 0 : -1; } diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c index ccb046aac98b..c06942a41c78 100644 --- a/tools/perf/ui/gtk/util.c +++ b/tools/perf/ui/gtk/util.c @@ -111,14 +111,3 @@ struct perf_error_ops perf_gtk_eops = { .warning = perf_gtk__warning_statusbar, #endif }; - -/* - * FIXME: Functions below should be implemented properly. - * For now, just add stubs for NO_NEWT=1 build. - */ -#ifndef NEWT_SUPPORT -void ui_progress__update(u64 curr __maybe_unused, u64 total __maybe_unused, - const char *title __maybe_unused) -{ -} -#endif diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index 4f5f4756faac..aa84130024d5 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -161,7 +161,7 @@ static int hpp__width_baseline(struct perf_hpp *hpp __maybe_unused) static double baseline_percent(struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); struct hists *pair_hists = pair ? pair->hists : NULL; double percent = 0.0; @@ -179,7 +179,7 @@ static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he) { double percent = baseline_percent(he); - if (he->pair) + if (hist_entry__has_pairs(he)) return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent); else return scnprintf(hpp->buf, hpp->size, " "); @@ -190,7 +190,7 @@ static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he) double percent = baseline_percent(he); const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%"; - if (he->pair || symbol_conf.field_sep) + if (hist_entry__has_pairs(he) || symbol_conf.field_sep) return scnprintf(hpp->buf, hpp->size, fmt, percent); else return scnprintf(hpp->buf, hpp->size, " "); @@ -248,7 +248,7 @@ static int hpp__width_period_baseline(struct perf_hpp *hpp __maybe_unused) static int hpp__entry_period_baseline(struct perf_hpp *hpp, struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); u64 period = pair ? pair->stat.period : 0; const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64; @@ -354,7 +354,7 @@ static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused) static int hpp__entry_displ(struct perf_hpp *hpp, struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); long displacement = pair ? pair->position - he->position : 0; const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s"; char buf[32] = " "; diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c index 13aa64e50e11..3ec695607a4d 100644 --- a/tools/perf/ui/progress.c +++ b/tools/perf/ui/progress.c @@ -1,32 +1,26 @@ #include "../cache.h" #include "progress.h" -#include "libslang.h" -#include "ui.h" -#include "browser.h" -void ui_progress__update(u64 curr, u64 total, const char *title) +static void nop_progress_update(u64 curr __maybe_unused, + u64 total __maybe_unused, + const char *title __maybe_unused) { - int bar, y; - /* - * FIXME: We should have a per UI backend way of showing progress, - * stdio will just show a percentage as NN%, etc. - */ - if (use_browser <= 0) - return; +} - if (total == 0) - return; +static struct ui_progress default_progress_fns = +{ + .update = nop_progress_update, +}; - ui__refresh_dimensions(true); - pthread_mutex_lock(&ui__lock); - y = SLtt_Screen_Rows / 2 - 2; - SLsmg_set_color(0); - SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); - SLsmg_gotorc(y++, 1); - SLsmg_write_string((char *)title); - SLsmg_set_color(HE_COLORSET_SELECTED); - bar = ((SLtt_Screen_Cols - 2) * curr) / total; - SLsmg_fill_region(y, 1, 1, bar, ' '); - SLsmg_refresh(); - pthread_mutex_unlock(&ui__lock); +struct ui_progress *progress_fns = &default_progress_fns; + +void ui_progress__update(u64 curr, u64 total, const char *title) +{ + return progress_fns->update(curr, total, title); +} + +void ui_progress__finish(void) +{ + if (progress_fns->finish) + progress_fns->finish(); } diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h index d9c205b59aa1..257cc224f9cf 100644 --- a/tools/perf/ui/progress.h +++ b/tools/perf/ui/progress.h @@ -3,6 +3,16 @@ #include <../types.h> +struct ui_progress { + void (*update)(u64, u64, const char *); + void (*finish)(void); +}; + +extern struct ui_progress *progress_fns; + +void ui_progress__init(void); + void ui_progress__update(u64 curr, u64 total, const char *title); +void ui_progress__finish(void); #endif diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c new file mode 100644 index 000000000000..6c2184d53cbf --- /dev/null +++ b/tools/perf/ui/tui/progress.c @@ -0,0 +1,42 @@ +#include "../cache.h" +#include "../progress.h" +#include "../libslang.h" +#include "../ui.h" +#include "../browser.h" + +static void tui_progress__update(u64 curr, u64 total, const char *title) +{ + int bar, y; + /* + * FIXME: We should have a per UI backend way of showing progress, + * stdio will just show a percentage as NN%, etc. + */ + if (use_browser <= 0) + return; + + if (total == 0) + return; + + ui__refresh_dimensions(true); + pthread_mutex_lock(&ui__lock); + y = SLtt_Screen_Rows / 2 - 2; + SLsmg_set_color(0); + SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); + SLsmg_gotorc(y++, 1); + SLsmg_write_string((char *)title); + SLsmg_set_color(HE_COLORSET_SELECTED); + bar = ((SLtt_Screen_Cols - 2) * curr) / total; + SLsmg_fill_region(y, 1, 1, bar, ' '); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); +} + +static struct ui_progress tui_progress_fns = +{ + .update = tui_progress__update, +}; + +void ui_progress__init(void) +{ + progress_fns = &tui_progress_fns; +} diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c index 60debb81537a..81efa192e86c 100644 --- a/tools/perf/ui/tui/setup.c +++ b/tools/perf/ui/tui/setup.c @@ -118,6 +118,7 @@ int ui__init(void) newtSetSuspendCallback(newt_suspend, NULL); ui_helpline__init(); ui_browser__init(); + ui_progress__init(); signal(SIGSEGV, ui__signal); signal(SIGFPE, ui__signal); diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h index 7b67045479f6..d86359c99907 100644 --- a/tools/perf/ui/ui.h +++ b/tools/perf/ui/ui.h @@ -3,9 +3,37 @@ #include <pthread.h> #include <stdbool.h> +#include <linux/compiler.h> extern pthread_mutex_t ui__lock; +extern int use_browser; + +void setup_browser(bool fallback_to_pager); +void exit_browser(bool wait_for_ok); + +#ifdef NEWT_SUPPORT +int ui__init(void); +void ui__exit(bool wait_for_ok); +#else +static inline int ui__init(void) +{ + return -1; +} +static inline void ui__exit(bool wait_for_ok __maybe_unused) {} +#endif + +#ifdef GTK2_SUPPORT +int perf_gtk__init(void); +void perf_gtk__exit(bool wait_for_ok); +#else +static inline int perf_gtk__init(void) +{ + return -1; +} +static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {} +#endif + void ui__refresh_dimensions(bool force); #endif /* _PERF_UI_H_ */ diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN index 95264f304179..6aa34e5afdcf 100755 --- a/tools/perf/util/PERF-VERSION-GEN +++ b/tools/perf/util/PERF-VERSION-GEN @@ -9,18 +9,14 @@ GVF=${OUTPUT}PERF-VERSION-FILE LF=' ' +# # First check if there is a .git to get the version from git describe -# otherwise try to get the version from the kernel makefile +# otherwise try to get the version from the kernel Makefile +# if test -d ../../.git -o -f ../../.git && - VN=$(git describe --match 'v[0-9].[0-9]*' --abbrev=4 HEAD 2>/dev/null) && - case "$VN" in - *$LF*) (exit 1) ;; - v[0-9]*) - git update-index -q --refresh - test -z "$(git diff-index --name-only HEAD --)" || - VN="$VN-dirty" ;; - esac + VN=$(git tag 2>/dev/null | tail -1 | grep -E "v[0-9].[0-9]*") then + VN=$(echo $VN"-g"$(git log -1 --abbrev=4 --pretty=format:"%h" HEAD)) VN=$(echo "$VN" | sed -e 's/-/./g'); else VN=$(MAKEFLAGS= make -sC ../.. kernelversion) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7a34dd18b74c..07aaeea60000 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -171,15 +171,15 @@ static int lock__parse(struct ins_operands *ops) if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) goto out_free_ops; - ops->locked.ins = ins__find(name); - if (ops->locked.ins == NULL) - goto out_free_ops; + ops->locked.ins = ins__find(name); + if (ops->locked.ins == NULL) + goto out_free_ops; - if (!ops->locked.ins->ops) - return 0; + if (!ops->locked.ins->ops) + return 0; - if (ops->locked.ins->ops->parse) - ops->locked.ins->ops->parse(ops->locked.ops); + if (ops->locked.ins->ops->parse) + ops->locked.ins->ops->parse(ops->locked.ops); return 0; @@ -401,6 +401,8 @@ static struct ins instructions[] = { { .name = "testb", .ops = &mov_ops, }, { .name = "testl", .ops = &mov_ops, }, { .name = "xadd", .ops = &mov_ops, }, + { .name = "xbeginl", .ops = &jump_ops, }, + { .name = "xbeginq", .ops = &jump_ops, }, }; static int ins__cmp(const void *name, const void *insp) @@ -856,21 +858,68 @@ static void insert_source_line(struct rb_root *root, struct source_line *src_lin struct source_line *iter; struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; + int ret; while (*p != NULL) { parent = *p; iter = rb_entry(parent, struct source_line, node); - if (src_line->percent > iter->percent) + ret = strcmp(iter->path, src_line->path); + if (ret == 0) { + iter->percent_sum += src_line->percent; + return; + } + + if (ret < 0) p = &(*p)->rb_left; else p = &(*p)->rb_right; } + src_line->percent_sum = src_line->percent; + rb_link_node(&src_line->node, parent, p); rb_insert_color(&src_line->node, root); } +static void __resort_source_line(struct rb_root *root, struct source_line *src_line) +{ + struct source_line *iter; + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + + while (*p != NULL) { + parent = *p; + iter = rb_entry(parent, struct source_line, node); + + if (src_line->percent_sum > iter->percent_sum) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&src_line->node, parent, p); + rb_insert_color(&src_line->node, root); +} + +static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) +{ + struct source_line *src_line; + struct rb_node *node; + + node = rb_first(src_root); + while (node) { + struct rb_node *next; + + src_line = rb_entry(node, struct source_line, node); + next = rb_next(node); + rb_erase(node, src_root); + + __resort_source_line(dest_root, src_line); + node = next; + } +} + static void symbol__free_source_line(struct symbol *sym, int len) { struct annotation *notes = symbol__annotation(sym); @@ -895,6 +944,7 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, struct source_line *src_line; struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); + struct rb_root tmp_root = RB_ROOT; if (!h->sum) return 0; @@ -929,12 +979,13 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, goto next; strcpy(src_line[i].path, path); - insert_source_line(root, &src_line[i]); + insert_source_line(&tmp_root, &src_line[i]); next: pclose(fp); } + resort_source_line(root, &tmp_root); return 0; } @@ -958,7 +1009,7 @@ static void print_summary(struct rb_root *root, const char *filename) char *path; src_line = rb_entry(node, struct source_line, node); - percent = src_line->percent; + percent = src_line->percent_sum; color = get_percent_color(percent); path = src_line->path; diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index a4dd25a61a07..8eec94358a4a 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -5,6 +5,7 @@ #include <stdint.h> #include "types.h" #include "symbol.h" +#include "hist.h" #include <linux/list.h> #include <linux/rbtree.h> #include <pthread.h> @@ -75,6 +76,7 @@ struct sym_hist { struct source_line { struct rb_node node; double percent; + double percent_sum; char *path; }; @@ -140,14 +142,13 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, #ifdef NEWT_SUPPORT int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs); + struct hist_browser_timer *hbt); #else static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused, struct map *map __maybe_unused, int evidx __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt + __maybe_unused) { return 0; } diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 2bd51370ad28..26e367239873 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -5,6 +5,7 @@ #include "util.h" #include "strbuf.h" #include "../perf.h" +#include "../ui/ui.h" #define CMD_EXEC_PATH "--exec-path" #define CMD_PERF_DIR "--perf-dir=" @@ -31,44 +32,6 @@ extern const char *pager_program; extern int pager_in_use(void); extern int pager_use_color; -extern int use_browser; - -#if defined(NEWT_SUPPORT) || defined(GTK2_SUPPORT) -void setup_browser(bool fallback_to_pager); -void exit_browser(bool wait_for_ok); - -#ifdef NEWT_SUPPORT -int ui__init(void); -void ui__exit(bool wait_for_ok); -#else -static inline int ui__init(void) -{ - return -1; -} -static inline void ui__exit(bool wait_for_ok __maybe_unused) {} -#endif - -#ifdef GTK2_SUPPORT -int perf_gtk__init(void); -void perf_gtk__exit(bool wait_for_ok); -#else -static inline int perf_gtk__init(void) -{ - return -1; -} -static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {} -#endif - -#else /* NEWT_SUPPORT || GTK2_SUPPORT */ - -static inline void setup_browser(bool fallback_to_pager) -{ - if (fallback_to_pager) - setup_pager(); -} -static inline void exit_browser(bool wait_for_ok __maybe_unused) {} -#endif /* NEWT_SUPPORT || GTK2_SUPPORT */ - char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index dec98750b484..83e8d234af6b 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -26,6 +26,7 @@ int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2))); static inline void ui_progress__update(u64 curr __maybe_unused, u64 total __maybe_unused, const char *title __maybe_unused) {} +static inline void ui_progress__finish(void) {} #define ui__error(format, arg...) ui__warning(format, ##arg) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index db24a3f0c820..d6d9a465acdb 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -1,5 +1,6 @@ #include "symbol.h" #include "dso.h" +#include "machine.h" #include "util.h" #include "debug.h" diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index ca9ca285406a..3cf2c3e0605f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -193,55 +193,43 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, event->header.misc = PERF_RECORD_MISC_USER; while (1) { - char bf[BUFSIZ], *pbf = bf; - int n; + char bf[BUFSIZ]; + char prot[5]; + char execname[PATH_MAX]; + char anonstr[] = "//anon"; size_t size; + if (fgets(bf, sizeof(bf), fp) == NULL) break; + /* ensure null termination since stack will be reused. */ + strcpy(execname, ""); + /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ - n = hex2u64(pbf, &event->mmap.start); - if (n < 0) - continue; - pbf += n + 1; - n = hex2u64(pbf, &event->mmap.len); - if (n < 0) + sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n", + &event->mmap.start, &event->mmap.len, prot, + &event->mmap.pgoff, execname); + + if (prot[2] != 'x') continue; - pbf += n + 3; - if (*pbf == 'x') { /* vm_exec */ - char anonstr[] = "//anon\n"; - char *execname = strchr(bf, '/'); - - /* Catch VDSO */ - if (execname == NULL) - execname = strstr(bf, "[vdso]"); - - /* Catch anonymous mmaps */ - if ((execname == NULL) && !strstr(bf, "[")) - execname = anonstr; - - if (execname == NULL) - continue; - - pbf += 3; - n = hex2u64(pbf, &event->mmap.pgoff); - - size = strlen(execname); - execname[size - 1] = '\0'; /* Remove \n */ - memcpy(event->mmap.filename, execname, size); - size = PERF_ALIGN(size, sizeof(u64)); - event->mmap.len -= event->mmap.start; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size)); - memset(event->mmap.filename + size, 0, machine->id_hdr_size); - event->mmap.header.size += machine->id_hdr_size; - event->mmap.pid = tgid; - event->mmap.tid = pid; - - if (process(tool, event, &synth_sample, machine) != 0) { - rc = -1; - break; - } + + if (!strcmp(execname, "")) + strcpy(execname, anonstr); + + size = strlen(execname) + 1; + memcpy(event->mmap.filename, execname, size); + size = PERF_ALIGN(size, sizeof(u64)); + event->mmap.len -= event->mmap.start; + event->mmap.header.size = (sizeof(event->mmap) - + (sizeof(event->mmap.filename) - size)); + memset(event->mmap.filename + size, 0, machine->id_hdr_size); + event->mmap.header.size += machine->id_hdr_size; + event->mmap.pid = tgid; + event->mmap.tid = pid; + + if (process(tool, event, &synth_sample, machine) != 0) { + rc = -1; + break; } } diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index a41dc4a5c2de..705293489e3c 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -52,15 +52,13 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, void perf_evlist__config_attrs(struct perf_evlist *evlist, struct perf_record_opts *opts) { - struct perf_evsel *evsel, *first; + struct perf_evsel *evsel; if (evlist->cpus->map[0] < 0) opts->no_inherit = true; - first = perf_evlist__first(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { - perf_evsel__config(evsel, opts, first); + perf_evsel__config(evsel, opts); if (evlist->nr_entries > 1) evsel->attr.sample_type |= PERF_SAMPLE_ID; @@ -224,6 +222,8 @@ void perf_evlist__disable(struct perf_evlist *evlist) for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { + if (perf_evsel__is_group_member(pos)) + continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE, 0); @@ -238,6 +238,8 @@ void perf_evlist__enable(struct perf_evlist *evlist) for (cpu = 0; cpu < cpu_map__nr(evlist->cpus); cpu++) { list_for_each_entry(pos, &evlist->entries, node) { + if (perf_evsel__is_group_member(pos)) + continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_ENABLE, 0); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 618d41140abd..1b16dd1edc8e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -18,8 +18,8 @@ #include "cpumap.h" #include "thread_map.h" #include "target.h" -#include "../../../include/linux/hw_breakpoint.h" -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/hw_breakpoint.h> +#include <linux/perf_event.h> #include "perf_regs.h" #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) @@ -404,13 +404,40 @@ const char *perf_evsel__name(struct perf_evsel *evsel) return evsel->name ?: "unknown"; } -void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, - struct perf_evsel *first) +/* + * The enable_on_exec/disabled value strategy: + * + * 1) For any type of traced program: + * - all independent events and group leaders are disabled + * - all group members are enabled + * + * Group members are ruled by group leaders. They need to + * be enabled, because the group scheduling relies on that. + * + * 2) For traced programs executed by perf: + * - all independent events and group leaders have + * enable_on_exec set + * - we don't specifically enable or disable any event during + * the record command + * + * Independent events and group leaders are initially disabled + * and get enabled by exec. Group members are ruled by group + * leaders as stated in 1). + * + * 3) For traced programs attached by perf (pid/tid): + * - we specifically enable or disable all events during + * the record command + * + * When attaching events to already running traced we + * enable/disable events specifically, as there's no + * initial traced exec call. + */ +void perf_evsel__config(struct perf_evsel *evsel, + struct perf_record_opts *opts) { struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ - attr->disabled = 1; attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; attr->inherit = !opts->no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | @@ -486,10 +513,21 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (perf_target__none(&opts->target) && - (!opts->group || evsel == first)) { + /* + * XXX see the function comment above + * + * Disabling only independent events or group leaders, + * keeping group members enabled. + */ + if (!perf_evsel__is_group_member(evsel)) + attr->disabled = 1; + + /* + * Setting enable_on_exec for independent events and + * group leaders for traced executed by perf. + */ + if (perf_target__none(&opts->target) && !perf_evsel__is_group_member(evsel)) attr->enable_on_exec = 1; - } } int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) @@ -669,7 +707,7 @@ static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread) struct perf_evsel *leader = evsel->leader; int fd; - if (!leader) + if (!perf_evsel__is_group_member(evsel)) return -1; /* diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 6f94d6dea00f..3d2b8017438c 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -3,7 +3,8 @@ #include <linux/list.h> #include <stdbool.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <stddef.h> +#include <linux/perf_event.h> #include "types.h" #include "xyarray.h" #include "cgroup.h" @@ -92,8 +93,7 @@ void perf_evsel__exit(struct perf_evsel *evsel); void perf_evsel__delete(struct perf_evsel *evsel); void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts, - struct perf_evsel *first); + struct perf_record_opts *opts); bool perf_evsel__is_cache_op_valid(u8 type, u8 op); @@ -225,4 +225,9 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) { return list_entry(evsel->node.next, struct perf_evsel, node); } + +static inline bool perf_evsel__is_group_member(const struct perf_evsel *evsel) +{ + return evsel->leader != NULL; +} #endif /* __PERF_EVSEL_H */ diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 195a47a8f052..b7da4634a047 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1379,6 +1379,8 @@ static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused, str = tmp + 1; fprintf(fp, "# node%u cpu list : %s\n", c, str); + + str += strlen(str) + 1; } return; error: diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 5f1cd6884f37..20f0344accb1 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -1,7 +1,7 @@ #ifndef __PERF_HEADER_H #define __PERF_HEADER_H -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include <sys/types.h> #include <stdbool.h> #include "types.h" diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 277947a669b2..cb17e2a8c6ed 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -244,6 +244,8 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) he->ms.map->referenced = true; if (symbol_conf.use_callchain) callchain_init(he->callchain); + + INIT_LIST_HEAD(&he->pairs.node); } return he; @@ -410,6 +412,7 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) void hist_entry__free(struct hist_entry *he) { + free(he->branch_info); free(he); } @@ -713,3 +716,99 @@ void hists__inc_nr_events(struct hists *hists, u32 type) ++hists->stats.nr_events[0]; ++hists->stats.nr_events[type]; } + +static struct hist_entry *hists__add_dummy_entry(struct hists *hists, + struct hist_entry *pair) +{ + struct rb_node **p = &hists->entries.rb_node; + struct rb_node *parent = NULL; + struct hist_entry *he; + int cmp; + + while (*p != NULL) { + parent = *p; + he = rb_entry(parent, struct hist_entry, rb_node); + + cmp = hist_entry__cmp(pair, he); + + if (!cmp) + goto out; + + if (cmp < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + he = hist_entry__new(pair); + if (he) { + memset(&he->stat, 0, sizeof(he->stat)); + he->hists = hists; + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, &hists->entries); + hists__inc_nr_entries(hists, he); + } +out: + return he; +} + +static struct hist_entry *hists__find_entry(struct hists *hists, + struct hist_entry *he) +{ + struct rb_node *n = hists->entries.rb_node; + + while (n) { + struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); + int64_t cmp = hist_entry__cmp(he, iter); + + if (cmp < 0) + n = n->rb_left; + else if (cmp > 0) + n = n->rb_right; + else + return iter; + } + + return NULL; +} + +/* + * Look for pairs to link to the leader buckets (hist_entries): + */ +void hists__match(struct hists *leader, struct hists *other) +{ + struct rb_node *nd; + struct hist_entry *pos, *pair; + + for (nd = rb_first(&leader->entries); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + pair = hists__find_entry(other, pos); + + if (pair) + hist__entry_add_pair(pos, pair); + } +} + +/* + * Look for entries in the other hists that are not present in the leader, if + * we find them, just add a dummy entry on the leader hists, with period=0, + * nr_events=0, to serve as the list header. + */ +int hists__link(struct hists *leader, struct hists *other) +{ + struct rb_node *nd; + struct hist_entry *pos, *pair; + + for (nd = rb_first(&other->entries); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + + if (!hist_entry__has_pairs(pos)) { + pair = hists__add_dummy_entry(leader, pos); + if (pair == NULL) + return -1; + hist__entry_add_pair(pair, pos); + } + } + + return 0; +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index b87460971736..8b091a51e4a2 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -4,6 +4,7 @@ #include <linux/types.h> #include <pthread.h> #include "callchain.h" +#include "header.h" extern struct callchain_param callchain_param; @@ -114,6 +115,9 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); void hists__reset_col_len(struct hists *hists); void hists__calc_col_len(struct hists *hists, struct hist_entry *he); +void hists__match(struct hists *leader, struct hists *other); +int hists__link(struct hists *leader, struct hists *other); + struct perf_hpp { char *buf; size_t size; @@ -157,22 +161,27 @@ int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, struct perf_evlist; +struct hist_browser_timer { + void (*timer)(void *arg); + void *arg; + int refresh; +}; + #ifdef NEWT_SUPPORT #include "../ui/keysyms.h" int hist_entry__tui_annotate(struct hist_entry *he, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs); + struct hist_browser_timer *hbt); int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int refresh); + struct hist_browser_timer *hbt, + struct perf_session_env *env); int script_browse(const char *script_opt); #else static inline int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, const char *help __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int refresh __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused, + struct perf_session_env *env __maybe_unused) { return 0; } @@ -180,15 +189,13 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, static inline int hist_entry__tui_annotate(struct hist_entry *self __maybe_unused, int evidx __maybe_unused, - void(*timer)(void *arg) - __maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt + __maybe_unused) { return 0; } -static inline int script_browse(const char *script_opt) +static inline int script_browse(const char *script_opt __maybe_unused) { return 0; } @@ -199,15 +206,12 @@ static inline int script_browse(const char *script_opt) #ifdef GTK2_SUPPORT int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int refresh); + struct hist_browser_timer *hbt __maybe_unused); #else static inline int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, const char *help __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int refresh __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused) { return 0; } diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 502eec0d4773..1f09d0581e6b 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2,9 +2,192 @@ #include "event.h" #include "machine.h" #include "map.h" +#include "strlist.h" #include "thread.h" #include <stdbool.h> +int machine__init(struct machine *machine, const char *root_dir, pid_t pid) +{ + map_groups__init(&machine->kmaps); + RB_CLEAR_NODE(&machine->rb_node); + INIT_LIST_HEAD(&machine->user_dsos); + INIT_LIST_HEAD(&machine->kernel_dsos); + + machine->threads = RB_ROOT; + INIT_LIST_HEAD(&machine->dead_threads); + machine->last_match = NULL; + + machine->kmaps.machine = machine; + machine->pid = pid; + + machine->root_dir = strdup(root_dir); + if (machine->root_dir == NULL) + return -ENOMEM; + + if (pid != HOST_KERNEL_ID) { + struct thread *thread = machine__findnew_thread(machine, pid); + char comm[64]; + + if (thread == NULL) + return -ENOMEM; + + snprintf(comm, sizeof(comm), "[guest/%d]", pid); + thread__set_comm(thread, comm); + } + + return 0; +} + +static void dsos__delete(struct list_head *dsos) +{ + struct dso *pos, *n; + + list_for_each_entry_safe(pos, n, dsos, node) { + list_del(&pos->node); + dso__delete(pos); + } +} + +void machine__exit(struct machine *machine) +{ + map_groups__exit(&machine->kmaps); + dsos__delete(&machine->user_dsos); + dsos__delete(&machine->kernel_dsos); + free(machine->root_dir); + machine->root_dir = NULL; +} + +void machine__delete(struct machine *machine) +{ + machine__exit(machine); + free(machine); +} + +struct machine *machines__add(struct rb_root *machines, pid_t pid, + const char *root_dir) +{ + struct rb_node **p = &machines->rb_node; + struct rb_node *parent = NULL; + struct machine *pos, *machine = malloc(sizeof(*machine)); + + if (machine == NULL) + return NULL; + + if (machine__init(machine, root_dir, pid) != 0) { + free(machine); + return NULL; + } + + while (*p != NULL) { + parent = *p; + pos = rb_entry(parent, struct machine, rb_node); + if (pid < pos->pid) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&machine->rb_node, parent, p); + rb_insert_color(&machine->rb_node, machines); + + return machine; +} + +struct machine *machines__find(struct rb_root *machines, pid_t pid) +{ + struct rb_node **p = &machines->rb_node; + struct rb_node *parent = NULL; + struct machine *machine; + struct machine *default_machine = NULL; + + while (*p != NULL) { + parent = *p; + machine = rb_entry(parent, struct machine, rb_node); + if (pid < machine->pid) + p = &(*p)->rb_left; + else if (pid > machine->pid) + p = &(*p)->rb_right; + else + return machine; + if (!machine->pid) + default_machine = machine; + } + + return default_machine; +} + +struct machine *machines__findnew(struct rb_root *machines, pid_t pid) +{ + char path[PATH_MAX]; + const char *root_dir = ""; + struct machine *machine = machines__find(machines, pid); + + if (machine && (machine->pid == pid)) + goto out; + + if ((pid != HOST_KERNEL_ID) && + (pid != DEFAULT_GUEST_KERNEL_ID) && + (symbol_conf.guestmount)) { + sprintf(path, "%s/%d", symbol_conf.guestmount, pid); + if (access(path, R_OK)) { + static struct strlist *seen; + + if (!seen) + seen = strlist__new(true, NULL); + + if (!strlist__has_entry(seen, path)) { + pr_err("Can't access file %s\n", path); + strlist__add(seen, path); + } + machine = NULL; + goto out; + } + root_dir = path; + } + + machine = machines__add(machines, pid, root_dir); +out: + return machine; +} + +void machines__process(struct rb_root *machines, + machine__process_t process, void *data) +{ + struct rb_node *nd; + + for (nd = rb_first(machines); nd; nd = rb_next(nd)) { + struct machine *pos = rb_entry(nd, struct machine, rb_node); + process(pos, data); + } +} + +char *machine__mmap_name(struct machine *machine, char *bf, size_t size) +{ + if (machine__is_host(machine)) + snprintf(bf, size, "[%s]", "kernel.kallsyms"); + else if (machine__is_default_guest(machine)) + snprintf(bf, size, "[%s]", "guest.kernel.kallsyms"); + else { + snprintf(bf, size, "[%s.%d]", "guest.kernel.kallsyms", + machine->pid); + } + + return bf; +} + +void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size) +{ + struct rb_node *node; + struct machine *machine; + + for (node = rb_first(machines); node; node = rb_next(node)) { + machine = rb_entry(node, struct machine, rb_node); + machine->id_hdr_size = id_hdr_size; + } + + return; +} + static struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, bool create) { @@ -84,15 +267,19 @@ int machine__process_lost_event(struct machine *machine __maybe_unused, static void machine__set_kernel_mmap_len(struct machine *machine, union perf_event *event) { - machine->vmlinux_maps[MAP__FUNCTION]->start = event->mmap.start; - machine->vmlinux_maps[MAP__FUNCTION]->end = (event->mmap.start + - event->mmap.len); - /* - * Be a bit paranoid here, some perf.data file came with - * a zero sized synthesized MMAP event for the kernel. - */ - if (machine->vmlinux_maps[MAP__FUNCTION]->end == 0) - machine->vmlinux_maps[MAP__FUNCTION]->end = ~0ULL; + int i; + + for (i = 0; i < MAP__NR_TYPES; i++) { + machine->vmlinux_maps[i]->start = event->mmap.start; + machine->vmlinux_maps[i]->end = (event->mmap.start + + event->mmap.len); + /* + * Be a bit paranoid here, some perf.data file came with + * a zero sized synthesized MMAP event for the kernel. + */ + if (machine->vmlinux_maps[i]->end == 0) + machine->vmlinux_maps[i]->end = ~0ULL; + } } static int machine__process_kernel_mmap_event(struct machine *machine, diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index df152f1768be..b7cde7467d55 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -2,11 +2,40 @@ #define __PERF_MACHINE_H #include <sys/types.h> +#include <linux/rbtree.h> +#include "map.h" +struct branch_stack; +struct perf_evsel; +struct perf_sample; +struct symbol; struct thread; -struct machine; union perf_event; +/* Native host kernel uses -1 as pid index in machine */ +#define HOST_KERNEL_ID (-1) +#define DEFAULT_GUEST_KERNEL_ID (0) + +struct machine { + struct rb_node rb_node; + pid_t pid; + u16 id_hdr_size; + char *root_dir; + struct rb_root threads; + struct list_head dead_threads; + struct thread *last_match; + struct list_head user_dsos; + struct list_head kernel_dsos; + struct map_groups kmaps; + struct map *vmlinux_maps[MAP__NR_TYPES]; +}; + +static inline +struct map *machine__kernel_map(struct machine *machine, enum map_type type) +{ + return machine->vmlinux_maps[type]; +} + struct thread *machine__find_thread(struct machine *machine, pid_t pid); int machine__process_comm_event(struct machine *machine, union perf_event *event); @@ -16,4 +45,104 @@ int machine__process_lost_event(struct machine *machine, union perf_event *event int machine__process_mmap_event(struct machine *machine, union perf_event *event); int machine__process_event(struct machine *machine, union perf_event *event); +typedef void (*machine__process_t)(struct machine *machine, void *data); + +void machines__process(struct rb_root *machines, + machine__process_t process, void *data); + +struct machine *machines__add(struct rb_root *machines, pid_t pid, + const char *root_dir); +struct machine *machines__find_host(struct rb_root *machines); +struct machine *machines__find(struct rb_root *machines, pid_t pid); +struct machine *machines__findnew(struct rb_root *machines, pid_t pid); + +void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size); +char *machine__mmap_name(struct machine *machine, char *bf, size_t size); + +int machine__init(struct machine *machine, const char *root_dir, pid_t pid); +void machine__exit(struct machine *machine); +void machine__delete(struct machine *machine); + + +struct branch_info *machine__resolve_bstack(struct machine *machine, + struct thread *thread, + struct branch_stack *bs); +int machine__resolve_callchain(struct machine *machine, + struct perf_evsel *evsel, + struct thread *thread, + struct perf_sample *sample, + struct symbol **parent); + +/* + * Default guest kernel is defined by parameter --guestkallsyms + * and --guestmodules + */ +static inline bool machine__is_default_guest(struct machine *machine) +{ + return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; +} + +static inline bool machine__is_host(struct machine *machine) +{ + return machine ? machine->pid == HOST_KERNEL_ID : false; +} + +struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); +void machine__remove_thread(struct machine *machine, struct thread *th); + +size_t machine__fprintf(struct machine *machine, FILE *fp); + +static inline +struct symbol *machine__find_kernel_symbol(struct machine *machine, + enum map_type type, u64 addr, + struct map **mapp, + symbol_filter_t filter) +{ + return map_groups__find_symbol(&machine->kmaps, type, addr, + mapp, filter); +} + +static inline +struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, + struct map **mapp, + symbol_filter_t filter) +{ + return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, + mapp, filter); +} + +static inline +struct symbol *machine__find_kernel_function_by_name(struct machine *machine, + const char *name, + struct map **mapp, + symbol_filter_t filter) +{ + return map_groups__find_function_by_name(&machine->kmaps, name, mapp, + filter); +} + +struct map *machine__new_module(struct machine *machine, u64 start, + const char *filename); + +int machine__load_kallsyms(struct machine *machine, const char *filename, + enum map_type type, symbol_filter_t filter); +int machine__load_vmlinux_path(struct machine *machine, enum map_type type, + symbol_filter_t filter); + +size_t machine__fprintf_dsos_buildid(struct machine *machine, + FILE *fp, bool with_hits); +size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); +size_t machines__fprintf_dsos_buildid(struct rb_root *machines, + FILE *fp, bool with_hits); + +void machine__destroy_kernel_maps(struct machine *machine); +int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); +int machine__create_kernel_maps(struct machine *machine); + +int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); +int machines__create_guest_kernel_maps(struct rb_root *machines); +void machines__destroy_guest_kernel_maps(struct rb_root *machines); + +size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); + #endif /* __PERF_MACHINE_H */ diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 9b40c444039c..0328d45c4f2a 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -24,7 +24,7 @@ static inline int is_anon_memory(const char *filename) static inline int is_no_dso_memory(const char *filename) { - return !strcmp(filename, "[stack]") || + return !strncmp(filename, "[stack", 6) || !strcmp(filename, "[heap]"); } @@ -590,182 +590,3 @@ struct map *maps__find(struct rb_root *maps, u64 ip) return NULL; } - -int machine__init(struct machine *self, const char *root_dir, pid_t pid) -{ - map_groups__init(&self->kmaps); - RB_CLEAR_NODE(&self->rb_node); - INIT_LIST_HEAD(&self->user_dsos); - INIT_LIST_HEAD(&self->kernel_dsos); - - self->threads = RB_ROOT; - INIT_LIST_HEAD(&self->dead_threads); - self->last_match = NULL; - - self->kmaps.machine = self; - self->pid = pid; - self->root_dir = strdup(root_dir); - if (self->root_dir == NULL) - return -ENOMEM; - - if (pid != HOST_KERNEL_ID) { - struct thread *thread = machine__findnew_thread(self, pid); - char comm[64]; - - if (thread == NULL) - return -ENOMEM; - - snprintf(comm, sizeof(comm), "[guest/%d]", pid); - thread__set_comm(thread, comm); - } - - return 0; -} - -static void dsos__delete(struct list_head *self) -{ - struct dso *pos, *n; - - list_for_each_entry_safe(pos, n, self, node) { - list_del(&pos->node); - dso__delete(pos); - } -} - -void machine__exit(struct machine *self) -{ - map_groups__exit(&self->kmaps); - dsos__delete(&self->user_dsos); - dsos__delete(&self->kernel_dsos); - free(self->root_dir); - self->root_dir = NULL; -} - -void machine__delete(struct machine *self) -{ - machine__exit(self); - free(self); -} - -struct machine *machines__add(struct rb_root *self, pid_t pid, - const char *root_dir) -{ - struct rb_node **p = &self->rb_node; - struct rb_node *parent = NULL; - struct machine *pos, *machine = malloc(sizeof(*machine)); - - if (!machine) - return NULL; - - if (machine__init(machine, root_dir, pid) != 0) { - free(machine); - return NULL; - } - - while (*p != NULL) { - parent = *p; - pos = rb_entry(parent, struct machine, rb_node); - if (pid < pos->pid) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&machine->rb_node, parent, p); - rb_insert_color(&machine->rb_node, self); - - return machine; -} - -struct machine *machines__find(struct rb_root *self, pid_t pid) -{ - struct rb_node **p = &self->rb_node; - struct rb_node *parent = NULL; - struct machine *machine; - struct machine *default_machine = NULL; - - while (*p != NULL) { - parent = *p; - machine = rb_entry(parent, struct machine, rb_node); - if (pid < machine->pid) - p = &(*p)->rb_left; - else if (pid > machine->pid) - p = &(*p)->rb_right; - else - return machine; - if (!machine->pid) - default_machine = machine; - } - - return default_machine; -} - -struct machine *machines__findnew(struct rb_root *self, pid_t pid) -{ - char path[PATH_MAX]; - const char *root_dir = ""; - struct machine *machine = machines__find(self, pid); - - if (machine && (machine->pid == pid)) - goto out; - - if ((pid != HOST_KERNEL_ID) && - (pid != DEFAULT_GUEST_KERNEL_ID) && - (symbol_conf.guestmount)) { - sprintf(path, "%s/%d", symbol_conf.guestmount, pid); - if (access(path, R_OK)) { - static struct strlist *seen; - - if (!seen) - seen = strlist__new(true, NULL); - - if (!strlist__has_entry(seen, path)) { - pr_err("Can't access file %s\n", path); - strlist__add(seen, path); - } - machine = NULL; - goto out; - } - root_dir = path; - } - - machine = machines__add(self, pid, root_dir); - -out: - return machine; -} - -void machines__process(struct rb_root *self, machine__process_t process, void *data) -{ - struct rb_node *nd; - - for (nd = rb_first(self); nd; nd = rb_next(nd)) { - struct machine *pos = rb_entry(nd, struct machine, rb_node); - process(pos, data); - } -} - -char *machine__mmap_name(struct machine *self, char *bf, size_t size) -{ - if (machine__is_host(self)) - snprintf(bf, size, "[%s]", "kernel.kallsyms"); - else if (machine__is_default_guest(self)) - snprintf(bf, size, "[%s]", "guest.kernel.kallsyms"); - else - snprintf(bf, size, "[%s.%d]", "guest.kernel.kallsyms", self->pid); - - return bf; -} - -void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size) -{ - struct rb_node *node; - struct machine *machine; - - for (node = rb_first(machines); node; node = rb_next(node)) { - machine = rb_entry(node, struct machine, rb_node); - machine->id_hdr_size = id_hdr_size; - } - - return; -} diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index d2250fc97e25..bcb39e2a6965 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -57,30 +57,6 @@ struct map_groups { struct machine *machine; }; -/* Native host kernel uses -1 as pid index in machine */ -#define HOST_KERNEL_ID (-1) -#define DEFAULT_GUEST_KERNEL_ID (0) - -struct machine { - struct rb_node rb_node; - pid_t pid; - u16 id_hdr_size; - char *root_dir; - struct rb_root threads; - struct list_head dead_threads; - struct thread *last_match; - struct list_head user_dsos; - struct list_head kernel_dsos; - struct map_groups kmaps; - struct map *vmlinux_maps[MAP__NR_TYPES]; -}; - -static inline -struct map *machine__kernel_map(struct machine *self, enum map_type type) -{ - return self->vmlinux_maps[type]; -} - static inline struct kmap *map__kmap(struct map *self) { return (struct kmap *)(self + 1); @@ -143,44 +119,9 @@ int map_groups__clone(struct map_groups *mg, size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); -typedef void (*machine__process_t)(struct machine *self, void *data); - -void machines__process(struct rb_root *self, machine__process_t process, void *data); -struct machine *machines__add(struct rb_root *self, pid_t pid, - const char *root_dir); -struct machine *machines__find_host(struct rb_root *self); -struct machine *machines__find(struct rb_root *self, pid_t pid); -struct machine *machines__findnew(struct rb_root *self, pid_t pid); -void machines__set_id_hdr_size(struct rb_root *self, u16 id_hdr_size); -char *machine__mmap_name(struct machine *self, char *bf, size_t size); -int machine__init(struct machine *self, const char *root_dir, pid_t pid); -void machine__exit(struct machine *self); -void machine__delete(struct machine *self); - -struct perf_evsel; -struct perf_sample; -int machine__resolve_callchain(struct machine *machine, - struct perf_evsel *evsel, - struct thread *thread, - struct perf_sample *sample, - struct symbol **parent); int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, u64 addr); -/* - * Default guest kernel is defined by parameter --guestkallsyms - * and --guestmodules - */ -static inline bool machine__is_default_guest(struct machine *self) -{ - return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false; -} - -static inline bool machine__is_host(struct machine *self) -{ - return self ? self->pid == HOST_KERNEL_ID : false; -} - static inline void map_groups__insert(struct map_groups *mg, struct map *map) { maps__insert(&mg->maps[map->type], map); @@ -209,29 +150,6 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, struct map **mapp, symbol_filter_t filter); - -struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); -void machine__remove_thread(struct machine *machine, struct thread *th); - -size_t machine__fprintf(struct machine *machine, FILE *fp); - -static inline -struct symbol *machine__find_kernel_symbol(struct machine *self, - enum map_type type, u64 addr, - struct map **mapp, - symbol_filter_t filter) -{ - return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter); -} - -static inline -struct symbol *machine__find_kernel_function(struct machine *self, u64 addr, - struct map **mapp, - symbol_filter_t filter) -{ - return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter); -} - static inline struct symbol *map_groups__find_function_by_name(struct map_groups *mg, const char *name, struct map **mapp, @@ -240,22 +158,11 @@ struct symbol *map_groups__find_function_by_name(struct map_groups *mg, return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); } -static inline -struct symbol *machine__find_kernel_function_by_name(struct machine *self, - const char *name, - struct map **mapp, - symbol_filter_t filter) -{ - return map_groups__find_function_by_name(&self->kmaps, name, mapp, - filter); -} - int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, int verbose, FILE *fp); struct map *map_groups__find_by_name(struct map_groups *mg, enum map_type type, const char *name); -struct map *machine__new_module(struct machine *self, u64 start, const char *filename); void map_groups__flush(struct map_groups *mg); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index c0b785b50849..2d8d53bec17e 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1,4 +1,4 @@ -#include "../../../include/linux/hw_breakpoint.h" +#include <linux/hw_breakpoint.h> #include "util.h" #include "../perf.h" #include "evlist.h" @@ -722,6 +722,27 @@ static int get_event_modifier(struct event_modifier *mod, char *str, return 0; } +/* + * Basic modifier sanity check to validate it contains only one + * instance of any modifier (apart from 'p') present. + */ +static int check_modifier(char *str) +{ + char *p = str; + + /* The sizeof includes 0 byte as well. */ + if (strlen(str) > (sizeof("ukhGHppp") - 1)) + return -1; + + while (*p) { + if (*p != 'p' && strchr(p + 1, *p)) + return -1; + p++; + } + + return 0; +} + int parse_events__modifier_event(struct list_head *list, char *str, bool add) { struct perf_evsel *evsel; @@ -730,6 +751,9 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (str == NULL) return 0; + if (check_modifier(str)) + return -EINVAL; + if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index ac9a6aacf2f5..b7af80b8bdda 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -7,7 +7,7 @@ #include <linux/list.h> #include <stdbool.h> #include "types.h" -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include "types.h" struct list_head; @@ -99,7 +99,6 @@ void parse_events__set_leader(char *name, struct list_head *list); void parse_events_update_lists(struct list_head *list_event, struct list_head *list_all); void parse_events_error(void *data, void *scanner, char const *msg); -int parse_events__test(void); void print_events(const char *event_glob, bool name_only); void print_events_type(u8 type); diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index c87efc12579d..e9d1134c2c68 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -81,7 +81,8 @@ num_dec [0-9]+ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ name [a-zA-Z_*?][a-zA-Z0-9_*?]* -modifier_event [ukhpGH]{1,8} +name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]* +modifier_event [ukhpGH]+ modifier_bp [rwx]{1,3} %% @@ -168,6 +169,7 @@ period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } +{name_minus} { return str(yyscanner, PE_NAME); } } mem: { BEGIN(mem); return PE_PREFIX_MEM; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 18e84801d4d1..9bdc60c6f138 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -22,7 +22,7 @@ static LIST_HEAD(pmus); * Parse & process all the sysfs attributes located under * the directory specified in 'dir' parameter. */ -static int pmu_format_parse(char *dir, struct list_head *head) +int perf_pmu__format_parse(char *dir, struct list_head *head) { struct dirent *evt_ent; DIR *format_dir; @@ -77,7 +77,7 @@ static int pmu_format(char *name, struct list_head *format) if (stat(path, &st) < 0) return 0; /* no error if format does not exist */ - if (pmu_format_parse(path, format)) + if (perf_pmu__format_parse(path, format)) return -1; return 0; @@ -446,8 +446,9 @@ static int pmu_config_term(struct list_head *formats, return 0; } -static int pmu_config(struct list_head *formats, struct perf_event_attr *attr, - struct list_head *head_terms) +int perf_pmu__config_terms(struct list_head *formats, + struct perf_event_attr *attr, + struct list_head *head_terms) { struct parse_events__term *term; @@ -467,7 +468,7 @@ int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms) { attr->type = pmu->type; - return pmu_config(&pmu->format, attr, head_terms); + return perf_pmu__config_terms(&pmu->format, attr, head_terms); } static struct perf_pmu__alias *pmu_find_alias(struct perf_pmu *pmu, @@ -551,177 +552,3 @@ void perf_pmu__set_format(unsigned long *bits, long from, long to) for (b = from; b <= to; b++) set_bit(b, bits); } - -/* Simulated format definitions. */ -static struct test_format { - const char *name; - const char *value; -} test_formats[] = { - { "krava01", "config:0-1,62-63\n", }, - { "krava02", "config:10-17\n", }, - { "krava03", "config:5\n", }, - { "krava11", "config1:0,2,4,6,8,20-28\n", }, - { "krava12", "config1:63\n", }, - { "krava13", "config1:45-47\n", }, - { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, - { "krava22", "config2:8,18,48,58\n", }, - { "krava23", "config2:28-29,38\n", }, -}; - -#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format)) - -/* Simulated users input. */ -static struct parse_events__term test_terms[] = { - { - .config = (char *) "krava01", - .val.num = 15, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava02", - .val.num = 170, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava03", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava11", - .val.num = 27, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava12", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava13", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava21", - .val.num = 119, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava22", - .val.num = 11, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava23", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, -}; -#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) - -/* - * Prepare format directory data, exported by kernel - * at /sys/bus/event_source/devices/<dev>/format. - */ -static char *test_format_dir_get(void) -{ - static char dir[PATH_MAX]; - unsigned int i; - - snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); - if (!mkdtemp(dir)) - return NULL; - - for (i = 0; i < TEST_FORMATS_CNT; i++) { - static char name[PATH_MAX]; - struct test_format *format = &test_formats[i]; - FILE *file; - - snprintf(name, PATH_MAX, "%s/%s", dir, format->name); - - file = fopen(name, "w"); - if (!file) - return NULL; - - if (1 != fwrite(format->value, strlen(format->value), 1, file)) - break; - - fclose(file); - } - - return dir; -} - -/* Cleanup format directory. */ -static int test_format_dir_put(char *dir) -{ - char buf[PATH_MAX]; - snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); - if (system(buf)) - return -1; - - snprintf(buf, PATH_MAX, "rmdir %s\n", dir); - return system(buf); -} - -static struct list_head *test_terms_list(void) -{ - static LIST_HEAD(terms); - unsigned int i; - - for (i = 0; i < TERMS_CNT; i++) - list_add_tail(&test_terms[i].list, &terms); - - return &terms; -} - -#undef TERMS_CNT - -int perf_pmu__test(void) -{ - char *format = test_format_dir_get(); - LIST_HEAD(formats); - struct list_head *terms = test_terms_list(); - int ret; - - if (!format) - return -EINVAL; - - do { - struct perf_event_attr attr; - - memset(&attr, 0, sizeof(attr)); - - ret = pmu_format_parse(format, &formats); - if (ret) - break; - - ret = pmu_config(&formats, &attr, terms); - if (ret) - break; - - ret = -EINVAL; - - if (attr.config != 0xc00000000002a823) - break; - if (attr.config1 != 0x8000400000000145) - break; - if (attr.config2 != 0x0400000020041d07) - break; - - ret = 0; - } while (0); - - test_format_dir_put(format); - return ret; -} diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 39f3abac7744..a313ed76a49a 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -2,7 +2,7 @@ #define __PMU_H #include <linux/bitops.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> enum { PERF_PMU_FORMAT_VALUE_CONFIG, @@ -37,6 +37,9 @@ struct perf_pmu { struct perf_pmu *perf_pmu__find(char *name); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms); +int perf_pmu__config_terms(struct list_head *formats, + struct perf_event_attr *attr, + struct list_head *head_terms); int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms); struct list_head *perf_pmu__alias(struct perf_pmu *pmu, struct list_head *head_terms); @@ -46,6 +49,7 @@ void perf_pmu_error(struct list_head *list, char *name, char const *msg); int perf_pmu__new_format(struct list_head *list, char *name, int config, unsigned long *bits); void perf_pmu__set_format(unsigned long *bits, long from, long to); +int perf_pmu__format_parse(char *dir, struct list_head *head); struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c index 13d36faf64eb..daa17aeb6c63 100644 --- a/tools/perf/util/pstack.c +++ b/tools/perf/util/pstack.c @@ -17,59 +17,59 @@ struct pstack { struct pstack *pstack__new(unsigned short max_nr_entries) { - struct pstack *self = zalloc((sizeof(*self) + - max_nr_entries * sizeof(void *))); - if (self != NULL) - self->max_nr_entries = max_nr_entries; - return self; + struct pstack *pstack = zalloc((sizeof(*pstack) + + max_nr_entries * sizeof(void *))); + if (pstack != NULL) + pstack->max_nr_entries = max_nr_entries; + return pstack; } -void pstack__delete(struct pstack *self) +void pstack__delete(struct pstack *pstack) { - free(self); + free(pstack); } -bool pstack__empty(const struct pstack *self) +bool pstack__empty(const struct pstack *pstack) { - return self->top == 0; + return pstack->top == 0; } -void pstack__remove(struct pstack *self, void *key) +void pstack__remove(struct pstack *pstack, void *key) { - unsigned short i = self->top, last_index = self->top - 1; + unsigned short i = pstack->top, last_index = pstack->top - 1; while (i-- != 0) { - if (self->entries[i] == key) { + if (pstack->entries[i] == key) { if (i < last_index) - memmove(self->entries + i, - self->entries + i + 1, + memmove(pstack->entries + i, + pstack->entries + i + 1, (last_index - i) * sizeof(void *)); - --self->top; + --pstack->top; return; } } pr_err("%s: %p not on the pstack!\n", __func__, key); } -void pstack__push(struct pstack *self, void *key) +void pstack__push(struct pstack *pstack, void *key) { - if (self->top == self->max_nr_entries) { - pr_err("%s: top=%d, overflow!\n", __func__, self->top); + if (pstack->top == pstack->max_nr_entries) { + pr_err("%s: top=%d, overflow!\n", __func__, pstack->top); return; } - self->entries[self->top++] = key; + pstack->entries[pstack->top++] = key; } -void *pstack__pop(struct pstack *self) +void *pstack__pop(struct pstack *pstack) { void *ret; - if (self->top == 0) { + if (pstack->top == 0) { pr_err("%s: underflow!\n", __func__); return NULL; } - ret = self->entries[--self->top]; - self->entries[self->top] = NULL; + ret = pstack->entries[--pstack->top]; + pstack->entries[pstack->top] = NULL; return ret; } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 15abe40dc702..ce6f51162386 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1458,6 +1458,7 @@ more: session->ordered_samples.next_flush = ULLONG_MAX; err = flush_sample_queue(session, tool); out_err: + ui_progress__finish(); perf_session__warn_about_errors(session, tool); perf_session_free_sample_buffers(session); return err; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index dd6426163ba6..cea133a6bdf1 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -4,10 +4,11 @@ #include "hist.h" #include "event.h" #include "header.h" +#include "machine.h" #include "symbol.h" #include "thread.h" #include <linux/rbtree.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> struct sample_queue; struct ip_callchain; @@ -68,10 +69,6 @@ int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel struct ip_callchain *chain, struct symbol **parent); -struct branch_info *machine__resolve_bstack(struct machine *self, - struct thread *thread, - struct branch_stack *bs); - bool perf_session__has_traces(struct perf_session *self, const char *msg); void mem_bswap_64(void *src, int byte_size); diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 13761d83a5a0..b4e8c3ba559d 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -77,6 +77,10 @@ struct hist_entry_diff { struct hist_entry { struct rb_node rb_node_in; struct rb_node rb_node; + union { + struct list_head node; + struct list_head head; + } pairs; struct he_stat stat; struct map_symbol ms; struct thread *thread; @@ -96,15 +100,30 @@ struct hist_entry { char *srcline; struct symbol *parent; unsigned long position; - union { - struct hist_entry *pair; - struct rb_root sorted_chain; - }; + struct rb_root sorted_chain; struct branch_info *branch_info; struct hists *hists; struct callchain_root callchain[0]; }; +static inline bool hist_entry__has_pairs(struct hist_entry *he) +{ + return !list_empty(&he->pairs.node); +} + +static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he) +{ + if (hist_entry__has_pairs(he)) + return list_entry(he->pairs.node.next, struct hist_entry, pairs.node); + return NULL; +} + +static inline void hist__entry_add_pair(struct hist_entry *he, + struct hist_entry *pair) +{ + list_add_tail(&he->pairs.head, &pair->pairs.node); +} + enum sort_type { SORT_PID, SORT_COMM, diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c index 2eeb51baf077..cfa906882e2c 100644 --- a/tools/perf/util/strbuf.c +++ b/tools/perf/util/strbuf.c @@ -90,17 +90,17 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...) if (!strbuf_avail(sb)) strbuf_grow(sb, 64); va_start(ap, fmt); - len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); + len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); va_end(ap); if (len < 0) - die("your vscnprintf is broken"); + die("your vsnprintf is broken"); if (len > strbuf_avail(sb)) { strbuf_grow(sb, len); va_start(ap, fmt); - len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); + len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); va_end(ap); if (len > strbuf_avail(sb)) { - die("this should not happen, your snprintf is broken"); + die("this should not happen, your vsnprintf is broken"); } } strbuf_setlen(sb, sb->len + len); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 624c65e6ab98..295f8d4feedf 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -12,6 +12,7 @@ #include "build-id.h" #include "util.h" #include "debug.h" +#include "machine.h" #include "symbol.h" #include "strlist.h" diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 863b05bea5ff..de68f98b236d 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -200,16 +200,6 @@ int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter); -int machine__load_kallsyms(struct machine *machine, const char *filename, - enum map_type type, symbol_filter_t filter); -int machine__load_vmlinux_path(struct machine *machine, enum map_type type, - symbol_filter_t filter); - -size_t machine__fprintf_dsos_buildid(struct machine *machine, - FILE *fp, bool with_hits); -size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); -size_t machines__fprintf_dsos_buildid(struct rb_root *machines, - FILE *fp, bool with_hits); struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); @@ -224,14 +214,6 @@ int kallsyms__parse(const char *filename, void *arg, int filename__read_debuglink(const char *filename, char *debuglink, size_t size); -void machine__destroy_kernel_maps(struct machine *machine); -int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); -int machine__create_kernel_maps(struct machine *machine); - -int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); -int machines__create_guest_kernel_maps(struct rb_root *machines); -void machines__destroy_guest_kernel_maps(struct rb_root *machines); - int symbol__init(void); void symbol__exit(void); void symbol__elf_init(void); @@ -242,9 +224,6 @@ size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp); size_t symbol__fprintf(struct symbol *sym, FILE *fp); bool symbol_type__is_a(char symbol_type, enum map_type map_type); -size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); - -int dso__test_data(void); int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, symbol_filter_t filter, int kmodule); diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 2655ae9a3ad8..ea095abbe97e 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -206,8 +206,10 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr) retval = pread(fd, msr, sizeof *msr, offset); close(fd); - if (retval != sizeof *msr) + if (retval != sizeof *msr) { + fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset); return -1; + } return 0; } @@ -1101,7 +1103,9 @@ void turbostat_loop() restart: retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1114,7 +1118,9 @@ restart: } sleep(interval_sec); retval = for_all_cpus(get_counters, ODD_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1126,7 +1132,9 @@ restart: flush_stdout(); sleep(interval_sec); retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1545,8 +1553,11 @@ void turbostat_init() int fork_it(char **argv) { pid_t child_pid; + int status; - for_all_cpus(get_counters, EVEN_COUNTERS); + status = for_all_cpus(get_counters, EVEN_COUNTERS); + if (status) + exit(status); /* clear affinity side-effect of get_counters() */ sched_setaffinity(0, cpu_present_setsize, cpu_present_set); gettimeofday(&tv_even, (struct timezone *)NULL); @@ -1556,7 +1567,6 @@ int fork_it(char **argv) /* child */ execvp(argv[0], argv); } else { - int status; /* parent */ if (child_pid == -1) { @@ -1568,7 +1578,7 @@ int fork_it(char **argv) signal(SIGQUIT, SIG_IGN); if (waitpid(child_pid, &status, 0) == -1) { perror("wait"); - exit(1); + exit(status); } } /* @@ -1585,7 +1595,7 @@ int fork_it(char **argv) fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); - return 0; + return status; } void cmdline(int argc, char **argv) @@ -1594,7 +1604,7 @@ void cmdline(int argc, char **argv) progname = argv[0]; - while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) { + while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) { switch (opt) { case 'p': show_core_only++; diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index 96ce80a3743b..2964b96aa55f 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -1,8 +1,11 @@ -ifeq ("$(origin O)", "command line") +ifeq ($(origin O), command line) dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),) ABSOLUTE_O := $(shell cd $(O) ; pwd) - OUTPUT := $(ABSOLUTE_O)/ + OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/) COMMAND_O := O=$(ABSOLUTE_O) +ifeq ($(objtree),) + objtree := $(O) +endif endif ifneq ($(OUTPUT),) @@ -41,7 +44,16 @@ else NO_SUBDIR = : endif -QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir +# +# Define a callable command for descending to a new directory +# +# Call by doing: $(call descend,directory[,target]) +# +descend = \ + +mkdir -p $(OUTPUT)$(1) && \ + $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2) + +QUIET_SUBDIR0 = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir QUIET_SUBDIR1 = ifneq ($(findstring $(MAKEFLAGS),s),s) @@ -56,5 +68,10 @@ ifndef V $(MAKE) $(PRINT_DIR) -C $$subdir QUIET_FLEX = @echo ' ' FLEX $@; QUIET_BISON = @echo ' ' BISON $@; + + descend = \ + @echo ' ' DESCEND $(1); \ + mkdir -p $(OUTPUT)$(1) && \ + $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2) endif endif diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index b51d787176d3..c7ba7614061b 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -1740,8 +1740,10 @@ sub install { open(IN, "$output_config") or dodie("Can't read config file"); while (<IN>) { if (/CONFIG_MODULES(=y)?/) { - $install_mods = 1 if (defined($1)); - last; + if (defined($1)) { + $install_mods = 1; + last; + } } } close(IN); diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 43480149119e..85baf11e2acd 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -1,4 +1,4 @@ -TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug epoll +TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug all: for TARGET in $(TARGETS); do \ diff --git a/tools/testing/selftests/epoll/Makefile b/tools/testing/selftests/epoll/Makefile deleted file mode 100644 index 19806ed62f50..000000000000 --- a/tools/testing/selftests/epoll/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# Makefile for epoll selftests - -all: test_epoll -%: %.c - gcc -pthread -g -o $@ $^ - -run_tests: all - ./test_epoll - -clean: - $(RM) test_epoll diff --git a/tools/testing/selftests/epoll/test_epoll.c b/tools/testing/selftests/epoll/test_epoll.c deleted file mode 100644 index e0fcff1e8331..000000000000 --- a/tools/testing/selftests/epoll/test_epoll.c +++ /dev/null @@ -1,344 +0,0 @@ -/* - * tools/testing/selftests/epoll/test_epoll.c - * - * Copyright 2012 Adobe Systems Incorporated - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Paton J. Lewis <palewis@adobe.com> - * - */ - -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/epoll.h> -#include <sys/socket.h> - -/* - * A pointer to an epoll_item_private structure will be stored in the epoll - * item's event structure so that we can get access to the epoll_item_private - * data after calling epoll_wait: - */ -struct epoll_item_private { - int index; /* Position of this struct within the epoll_items array. */ - int fd; - uint32_t events; - pthread_mutex_t mutex; /* Guards the following variables... */ - int stop; - int status; /* Stores any error encountered while handling item. */ - /* The following variable allows us to test whether we have encountered - a problem while attempting to cancel and delete the associated - event. When the test program exits, 'deleted' should be exactly - one. If it is greater than one, then the failed test reflects a real - world situation where we would have tried to access the epoll item's - private data after deleting it: */ - int deleted; -}; - -struct epoll_item_private *epoll_items; - -/* - * Delete the specified item from the epoll set. In a real-world secneario this - * is where we would free the associated data structure, but in this testing - * environment we retain the structure so that we can test for double-deletion: - */ -void delete_item(int index) -{ - __sync_fetch_and_add(&epoll_items[index].deleted, 1); -} - -/* - * A pointer to a read_thread_data structure will be passed as the argument to - * each read thread: - */ -struct read_thread_data { - int stop; - int status; /* Indicates any error encountered by the read thread. */ - int epoll_set; -}; - -/* - * The function executed by the read threads: - */ -void *read_thread_function(void *function_data) -{ - struct read_thread_data *thread_data = - (struct read_thread_data *)function_data; - struct epoll_event event_data; - struct epoll_item_private *item_data; - char socket_data; - - /* Handle events until we encounter an error or this thread's 'stop' - condition is set: */ - while (1) { - int result = epoll_wait(thread_data->epoll_set, - &event_data, - 1, /* Number of desired events */ - 1000); /* Timeout in ms */ - if (result < 0) { - /* Breakpoints signal all threads. Ignore that while - debugging: */ - if (errno == EINTR) - continue; - thread_data->status = errno; - return 0; - } else if (thread_data->stop) - return 0; - else if (result == 0) /* Timeout */ - continue; - - /* We need the mutex here because checking for the stop - condition and re-enabling the epoll item need to be done - together as one atomic operation when EPOLL_CTL_DISABLE is - available: */ - item_data = (struct epoll_item_private *)event_data.data.ptr; - pthread_mutex_lock(&item_data->mutex); - - /* Remove the item from the epoll set if we want to stop - handling that event: */ - if (item_data->stop) - delete_item(item_data->index); - else { - /* Clear the data that was written to the other end of - our non-blocking socket: */ - do { - if (read(item_data->fd, &socket_data, 1) < 1) { - if ((errno == EAGAIN) || - (errno == EWOULDBLOCK)) - break; - else - goto error_unlock; - } - } while (item_data->events & EPOLLET); - - /* The item was one-shot, so re-enable it: */ - event_data.events = item_data->events; - if (epoll_ctl(thread_data->epoll_set, - EPOLL_CTL_MOD, - item_data->fd, - &event_data) < 0) - goto error_unlock; - } - - pthread_mutex_unlock(&item_data->mutex); - } - -error_unlock: - thread_data->status = item_data->status = errno; - pthread_mutex_unlock(&item_data->mutex); - return 0; -} - -/* - * A pointer to a write_thread_data structure will be passed as the argument to - * the write thread: - */ -struct write_thread_data { - int stop; - int status; /* Indicates any error encountered by the write thread. */ - int n_fds; - int *fds; -}; - -/* - * The function executed by the write thread. It writes a single byte to each - * socket in turn until the stop condition for this thread is set. If writing to - * a socket would block (i.e. errno was EAGAIN), we leave that socket alone for - * the moment and just move on to the next socket in the list. We don't care - * about the order in which we deliver events to the epoll set. In fact we don't - * care about the data we're writing to the pipes at all; we just want to - * trigger epoll events: - */ -void *write_thread_function(void *function_data) -{ - const char data = 'X'; - int index; - struct write_thread_data *thread_data = - (struct write_thread_data *)function_data; - while (!write_thread_data->stop) - for (index = 0; - !thread_data->stop && (index < thread_data->n_fds); - ++index) - if ((write(thread_data->fds[index], &data, 1) < 1) && - (errno != EAGAIN) && - (errno != EWOULDBLOCK)) { - write_thread_data->status = errno; - return; - } -} - -/* - * Arguments are currently ignored: - */ -int main(int argc, char **argv) -{ - const int n_read_threads = 100; - const int n_epoll_items = 500; - int index; - int epoll_set = epoll_create1(0); - struct write_thread_data write_thread_data = { - 0, 0, n_epoll_items, malloc(n_epoll_items * sizeof(int)) - }; - struct read_thread_data *read_thread_data = - malloc(n_read_threads * sizeof(struct read_thread_data)); - pthread_t *read_threads = malloc(n_read_threads * sizeof(pthread_t)); - pthread_t write_thread; - - printf("-----------------\n"); - printf("Runing test_epoll\n"); - printf("-----------------\n"); - - epoll_items = malloc(n_epoll_items * sizeof(struct epoll_item_private)); - - if (epoll_set < 0 || epoll_items == 0 || write_thread_data.fds == 0 || - read_thread_data == 0 || read_threads == 0) - goto error; - - if (sysconf(_SC_NPROCESSORS_ONLN) < 2) { - printf("Error: please run this test on a multi-core system.\n"); - goto error; - } - - /* Create the socket pairs and epoll items: */ - for (index = 0; index < n_epoll_items; ++index) { - int socket_pair[2]; - struct epoll_event event_data; - if (socketpair(AF_UNIX, - SOCK_STREAM | SOCK_NONBLOCK, - 0, - socket_pair) < 0) - goto error; - write_thread_data.fds[index] = socket_pair[0]; - epoll_items[index].index = index; - epoll_items[index].fd = socket_pair[1]; - if (pthread_mutex_init(&epoll_items[index].mutex, NULL) != 0) - goto error; - /* We always use EPOLLONESHOT because this test is currently - structured to demonstrate the need for EPOLL_CTL_DISABLE, - which only produces useful information in the EPOLLONESHOT - case (without EPOLLONESHOT, calling epoll_ctl with - EPOLL_CTL_DISABLE will never return EBUSY). If support for - testing events without EPOLLONESHOT is desired, it should - probably be implemented in a separate unit test. */ - epoll_items[index].events = EPOLLIN | EPOLLONESHOT; - if (index < n_epoll_items / 2) - epoll_items[index].events |= EPOLLET; - epoll_items[index].stop = 0; - epoll_items[index].status = 0; - epoll_items[index].deleted = 0; - event_data.events = epoll_items[index].events; - event_data.data.ptr = &epoll_items[index]; - if (epoll_ctl(epoll_set, - EPOLL_CTL_ADD, - epoll_items[index].fd, - &event_data) < 0) - goto error; - } - - /* Create and start the read threads: */ - for (index = 0; index < n_read_threads; ++index) { - read_thread_data[index].stop = 0; - read_thread_data[index].status = 0; - read_thread_data[index].epoll_set = epoll_set; - if (pthread_create(&read_threads[index], - NULL, - read_thread_function, - &read_thread_data[index]) != 0) - goto error; - } - - if (pthread_create(&write_thread, - NULL, - write_thread_function, - &write_thread_data) != 0) - goto error; - - /* Cancel all event pollers: */ -#ifdef EPOLL_CTL_DISABLE - for (index = 0; index < n_epoll_items; ++index) { - pthread_mutex_lock(&epoll_items[index].mutex); - ++epoll_items[index].stop; - if (epoll_ctl(epoll_set, - EPOLL_CTL_DISABLE, - epoll_items[index].fd, - NULL) == 0) - delete_item(index); - else if (errno != EBUSY) { - pthread_mutex_unlock(&epoll_items[index].mutex); - goto error; - } - /* EBUSY means events were being handled; allow the other thread - to delete the item. */ - pthread_mutex_unlock(&epoll_items[index].mutex); - } -#else - for (index = 0; index < n_epoll_items; ++index) { - pthread_mutex_lock(&epoll_items[index].mutex); - ++epoll_items[index].stop; - pthread_mutex_unlock(&epoll_items[index].mutex); - /* Wait in case a thread running read_thread_function is - currently executing code between epoll_wait and - pthread_mutex_lock with this item. Note that a longer delay - would make double-deletion less likely (at the expense of - performance), but there is no guarantee that any delay would - ever be sufficient. Note also that we delete all event - pollers at once for testing purposes, but in a real-world - environment we are likely to want to be able to cancel event - pollers at arbitrary times. Therefore we can't improve this - situation by just splitting this loop into two loops - (i.e. signal 'stop' for all items, sleep, and then delete all - items). We also can't fix the problem via EPOLL_CTL_DEL - because that command can't prevent the case where some other - thread is executing read_thread_function within the region - mentioned above: */ - usleep(1); - pthread_mutex_lock(&epoll_items[index].mutex); - if (!epoll_items[index].deleted) - delete_item(index); - pthread_mutex_unlock(&epoll_items[index].mutex); - } -#endif - - /* Shut down the read threads: */ - for (index = 0; index < n_read_threads; ++index) - __sync_fetch_and_add(&read_thread_data[index].stop, 1); - for (index = 0; index < n_read_threads; ++index) { - if (pthread_join(read_threads[index], NULL) != 0) - goto error; - if (read_thread_data[index].status) - goto error; - } - - /* Shut down the write thread: */ - __sync_fetch_and_add(&write_thread_data.stop, 1); - if ((pthread_join(write_thread, NULL) != 0) || write_thread_data.status) - goto error; - - /* Check for final error conditions: */ - for (index = 0; index < n_epoll_items; ++index) { - if (epoll_items[index].status != 0) - goto error; - if (pthread_mutex_destroy(&epoll_items[index].mutex) < 0) - goto error; - } - for (index = 0; index < n_epoll_items; ++index) - if (epoll_items[index].deleted != 1) { - printf("Error: item data deleted %1d times.\n", - epoll_items[index].deleted); - goto error; - } - - printf("[PASS]\n"); - return 0; - - error: - printf("[FAIL]\n"); - return errno; -} diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index cd1b03e80899..b76edf2f8333 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -35,7 +35,7 @@ #include <sys/mount.h> #include <sys/statfs.h> #include "../../include/uapi/linux/magic.h" -#include "../../include/linux/kernel-page-flags.h" +#include "../../include/uapi/linux/kernel-page-flags.h" #ifndef MAX_PATH |