aboutsummaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-06-18 14:32:19 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-18 14:32:19 +0200
commitb8e6d829729d1a5991a9f628205b671cac2ec06f (patch)
tree4ca09e9fc3c21b28bc9388a237fe2faa747a4449 /tools
parent9d91a6f7a489eb914c16b82d927f9d81d629c259 (diff)
downloadlinux-b8e6d829729d1a5991a9f628205b671cac2ec06f.tar.gz
perf report: Filter to parent set by default
Make it easier to use parent filtering - default to a filtered output. Also add the parent column so that we get collapsing but dont display it by default. add --no-exclude-other to override this. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Makefile2
-rw-r--r--tools/perf/builtin-report.c30
2 files changed, 28 insertions, 4 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 714db7327b9..672c5f069c6 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 fe66895111b..86981bd08f6 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?
*/