Messages in this thread Patch in this message | | | Date | Sat, 8 Dec 2012 06:59:42 -0800 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf tools: Omit group members from perf_evlist__disable/enable |
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Commit-ID: 3fe4430dd66837d8fcdb63c167e908655fc842e3 Gitweb: http://git.kernel.org/tip/3fe4430dd66837d8fcdb63c167e908655fc842e3 Author: Jiri Olsa <jolsa@redhat.com> AuthorDate: Mon, 12 Nov 2012 18:34:03 +0100 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 14 Nov 2012 16:52:15 -0300
perf tools: Omit group members from perf_evlist__disable/enable
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 <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1352741644-16809-5-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- 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);
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