diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Makefile | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 30 |
2 files changed, 28 insertions, 4 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 714db73..672c5f0 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -164,7 +164,7 @@ endif # CFLAGS and LDFLAGS are for the users to override from the command line. -CFLAGS = $(M64) -ggdb3 -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6 +CFLAGS = $(M64) -ggdb3 -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -Werror -O6 LDFLAGS = -lpthread -lrt -lelf -lm ALL_CFLAGS = $(CFLAGS) ALL_LDFLAGS = $(LDFLAGS) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index fe66895..86981bd 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -46,9 +46,12 @@ static int full_paths; static unsigned long page_size; static unsigned long mmap_window = 32; -static char *parent_pattern = "^sys_|^do_page_fault"; +static char default_parent_pattern[] = "^sys_|^do_page_fault"; +static char *parent_pattern = default_parent_pattern; static regex_t parent_regex; +static int exclude_other = 1; + struct ip_event { struct perf_event_header header; __u64 ip; @@ -742,6 +745,9 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples) struct sort_entry *se; size_t ret; + if (exclude_other && !self->parent) + return 0; + if (total_samples) { double percent = self->count * 100.0 / total_samples; char *color = PERF_COLOR_NORMAL; @@ -764,6 +770,9 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples) ret = fprintf(fp, "%12Ld ", self->count); list_for_each_entry(se, &hist_entry__sort_list, list) { + if (exclude_other && (se == &sort_parent)) + continue; + fprintf(fp, " "); ret += se->print(fp, self); } @@ -855,6 +864,7 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, .ip = ip, .level = level, .count = count, + .parent = NULL, }; int cmp; @@ -1029,14 +1039,20 @@ static size_t output__fprintf(FILE *fp, __u64 total_samples) fprintf(fp, "#\n"); fprintf(fp, "# Overhead"); - list_for_each_entry(se, &hist_entry__sort_list, list) + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (exclude_other && (se == &sort_parent)) + continue; fprintf(fp, " %s", se->header); + } fprintf(fp, "\n"); fprintf(fp, "# ........"); list_for_each_entry(se, &hist_entry__sort_list, list) { int i; + if (exclude_other && (se == &sort_parent)) + continue; + fprintf(fp, " "); for (i = 0; i < strlen(se->header); i++) fprintf(fp, "."); @@ -1050,7 +1066,8 @@ static size_t output__fprintf(FILE *fp, __u64 total_samples) ret += hist_entry__fprintf(fp, pos, total_samples); } - if (!strcmp(sort_order, default_sort_order)) { + if (sort_order == default_sort_order && + parent_pattern == default_parent_pattern) { fprintf(fp, "#\n"); fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); fprintf(fp, "#\n"); @@ -1508,6 +1525,8 @@ static const struct option options[] = { "Don't shorten the pathnames taking into account the cwd"), OPT_STRING('p', "parent", &parent_pattern, "regex", "regex filter to identify parent, see: '--sort parent'"), + OPT_BOOLEAN('x', "exclude-other", &exclude_other, + "Only display entries with parent-match"), OPT_END() }; @@ -1536,6 +1555,11 @@ int cmd_report(int argc, const char **argv, const char *prefix) setup_sorting(); + if (parent_pattern != default_parent_pattern) + sort_dimension__add("parent"); + else + exclude_other = 0; + /* * Any (unrecognized) arguments left? */ |