From: Jiri Olsa <[email protected]>

There's no need to disable/enable ordinary group member events,
because they are initialy enabled and get scheduled by the leader.

Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/evlist.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 04acae0..e9d2d5d 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -222,6 +222,8 @@ 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)
+                               continue;
                        for (thread = 0; thread < evlist->threads->nr; thread++)
                                ioctl(FD(pos, cpu, thread),
                                      PERF_EVENT_IOC_DISABLE, 0);
@@ -236,6 +238,8 @@ 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)
+                               continue;
                        for (thread = 0; thread < evlist->threads->nr; thread++)
                                ioctl(FD(pos, cpu, thread),
                                      PERF_EVENT_IOC_ENABLE, 0);
-- 
1.7.9.2.358.g22243

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