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authorNamhyung Kim <namhyung.kim@lge.com>2013-01-22 13:09:44 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-01-31 20:07:48 +0400
commit717e263fc354d53d0961e952b779d14a42c8ea66 (patch)
tree8bac96ac04d96d7544d9443fb29599480bb88a2f /tools
parentfc24d7c25c9d880ae012548d522fe13caee556ed (diff)
downloadlinux-717e263fc354d53d0961e952b779d14a42c8ea66.tar.xz
perf report: Show group description when event group is enabled
When using event group viewer, it's better to show the group description rather than the leader information alone. If a leader did not contain any member, it's a non-group event. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1358845787-1350-17-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-report.c15
-rw-r--r--tools/perf/ui/browsers/hists.c25
-rw-r--r--tools/perf/ui/gtk/hists.c14
-rw-r--r--tools/perf/util/evsel.c25
-rw-r--r--tools/perf/util/evsel.h8
5 files changed, 84 insertions, 3 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 9cc768ecacad..ce518c48a525 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -299,6 +299,21 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self,
char unit;
unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
u64 nr_events = self->stats.total_period;
+ struct perf_evsel *evsel = hists_to_evsel(self);
+ char buf[512];
+ size_t size = sizeof(buf);
+
+ if (symbol_conf.event_group && evsel->nr_members > 1) {
+ struct perf_evsel *pos;
+
+ perf_evsel__group_desc(evsel, buf, size);
+ evname = buf;
+
+ for_each_group_member(pos, evsel) {
+ nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+ nr_events += pos->hists.stats.total_period;
+ }
+ }
nr_samples = convert_unit(nr_samples, &unit);
ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 167f7701f94e..20ccd57753f7 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1189,6 +1189,21 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
const struct thread *thread = hists->thread_filter;
unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
u64 nr_events = hists->stats.total_period;
+ struct perf_evsel *evsel = hists_to_evsel(hists);
+ char buf[512];
+ size_t buflen = sizeof(buf);
+
+ if (symbol_conf.event_group && evsel->nr_members > 1) {
+ struct perf_evsel *pos;
+
+ perf_evsel__group_desc(evsel, buf, buflen);
+ ev_name = buf;
+
+ for_each_group_member(pos, evsel) {
+ nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+ nr_events += pos->hists.stats.total_period;
+ }
+ }
nr_samples = convert_unit(nr_samples, &unit);
printed = scnprintf(bf, size,
@@ -1585,6 +1600,16 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
+ if (symbol_conf.event_group && evsel->nr_members > 1) {
+ struct perf_evsel *pos;
+
+ ev_name = perf_evsel__group_name(evsel);
+
+ for_each_group_member(pos, evsel) {
+ nr_events += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+ }
+ }
+
nr_events = convert_unit(nr_events, &unit);
printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
unit, unit == ' ' ? "" : " ", ev_name);
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 9c02c4c0f3b7..1e764a8ad259 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -270,10 +270,18 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
const char *evname = perf_evsel__name(pos);
GtkWidget *scrolled_window;
GtkWidget *tab_label;
+ char buf[512];
+ size_t size = sizeof(buf);
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos))
- continue;
+ if (symbol_conf.event_group) {
+ if (!perf_evsel__is_group_leader(pos))
+ continue;
+
+ if (pos->nr_members > 1) {
+ perf_evsel__group_desc(pos, buf, size);
+ evname = buf;
+ }
+ }
scrolled_window = gtk_scrolled_window_new(NULL, NULL);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index baa26ddbcc7b..94e74043ded8 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -434,6 +434,31 @@ const char *perf_evsel__name(struct perf_evsel *evsel)
return evsel->name ?: "unknown";
}
+const char *perf_evsel__group_name(struct perf_evsel *evsel)
+{
+ return evsel->group_name ?: "anon group";
+}
+
+int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size)
+{
+ int ret;
+ struct perf_evsel *pos;
+ const char *group_name = perf_evsel__group_name(evsel);
+
+ ret = scnprintf(buf, size, "%s", group_name);
+
+ ret += scnprintf(buf + ret, size - ret, " { %s",
+ perf_evsel__name(evsel));
+
+ for_each_group_member(pos, evsel)
+ ret += scnprintf(buf + ret, size - ret, ", %s",
+ perf_evsel__name(pos));
+
+ ret += scnprintf(buf + ret, size - ret, " }");
+
+ return ret;
+}
+
/*
* The enable_on_exec/disabled value strategy:
*
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 371713977888..8512f6a8a6ea 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -114,6 +114,8 @@ extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
char *bf, size_t size);
const char *perf_evsel__name(struct perf_evsel *evsel);
+const char *perf_evsel__group_name(struct perf_evsel *evsel);
+int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
@@ -267,4 +269,10 @@ static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
{
return evsel->idx - evsel->leader->idx;
}
+
+#define for_each_group_member(_evsel, _leader) \
+for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
+ (_evsel) && (_evsel)->leader == (_leader); \
+ (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
+
#endif /* __PERF_EVSEL_H */