perf evsel: Introduce perf_evsel__is_group_event() helper
The perf_evsel__is_group_event function is for checking whether given
evsel needs event group view support or not. Please note that it's
different to the existing perf_evsel__is_group_leader() which checks
only the given evsel is a leader or a standalone (i.e. non-group) event
regardless of event group feature.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
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>
Link: http://lkml.kernel.org/r/1362462812-30885-7-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 0e125e1..a5843fd 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1193,7 +1193,7 @@
char buf[512];
size_t buflen = sizeof(buf);
- if (symbol_conf.event_group && evsel->nr_members > 1) {
+ if (perf_evsel__is_group_event(evsel)) {
struct perf_evsel *pos;
perf_evsel__group_desc(evsel, buf, buflen);
@@ -1709,7 +1709,7 @@
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
- if (symbol_conf.event_group && evsel->nr_members > 1) {
+ if (perf_evsel__is_group_event(evsel)) {
struct perf_evsel *pos;
ev_name = perf_evsel__group_name(evsel);