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perf evsel: Introduce is_group_member method

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To clarify what is being tested, instead of assuming that evsel->leader
== NULL means either an 'isolated' evsel or a 'group leader'.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-lvdbvimaxw9nc5een5vmem0c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-11-13 17:27:28 -03:00
parent 1483c2ae90
commit 07ac002f2f
5 changed files with 23 additions and 16 deletions
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4
tools/perf/util/evlist.c
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@@ -222,7 +222,7 @@ 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 (pos->leader)
if (perf_evsel__is_group_member(pos))
continue;
for (thread = 0; thread < evlist->threads->nr; thread++)
ioctl(FD(pos, cpu, thread),
@@ -238,7 +238,7 @@ 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 (pos->leader)
if (perf_evsel__is_group_member(pos))
continue;
for (thread = 0; thread < evlist->threads->nr; thread++)
ioctl(FD(pos, cpu, thread),