From 5090c6aea84dcc474d0aabf9f66f1eab68a143eb Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Fri, 16 Mar 2012 17:42:20 +0900 Subject: perf tools: Do not disable members of group event When event group is enabled for forked task (i.e. no target task/cpu was specified) all events were disabled and marked ->enable_on_exec. However they wouldn't be counted at all since only group leader will be enabled on exec actually. In contrast to perf stat, perf record doesn't have a real problem as it enables all the event before proceeding. But it needs to be fixed anyway IMHO. Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1331887340-32448-2-git-send-email-namhyung.kim@lge.com Signed-off-by: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evlist.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'tools/perf/util/evlist.c') diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 159263d..1986d80 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -51,13 +51,15 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, void perf_evlist__config_attrs(struct perf_evlist *evlist, struct perf_record_opts *opts) { - struct perf_evsel *evsel; + struct perf_evsel *evsel, *first; if (evlist->cpus->map[0] < 0) opts->no_inherit = true; + first = list_entry(evlist->entries.next, struct perf_evsel, node); + list_for_each_entry(evsel, &evlist->entries, node) { - perf_evsel__config(evsel, opts); + perf_evsel__config(evsel, opts, first); if (evlist->nr_entries > 1) evsel->attr.sample_type |= PERF_SAMPLE_ID; -- cgit v1.1