From: Namhyung Kim <[email protected]> Currently only non-leader members are set ->leader to the leader evsel of the group and the leader has set NULL. Thus it requires special casing for leader evsels. Set ->leader to itself will remove this.
Suggested-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/evlist.c | 1 - tools/perf/util/evsel.c | 1 + tools/perf/util/evsel.h | 2 +- 3 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7052934..90db2a1 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -111,7 +111,6 @@ void __perf_evlist__set_leader(struct list_head *list) struct perf_evsel *evsel, *leader; leader = list_entry(list->next, struct perf_evsel, node); - leader->leader = NULL; list_for_each_entry(evsel, list, node) { if (evsel != leader) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1b16dd1..7e93418 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -55,6 +55,7 @@ void perf_evsel__init(struct perf_evsel *evsel, { evsel->idx = idx; evsel->attr = *attr; + evsel->leader = evsel; INIT_LIST_HEAD(&evsel->node); hists__init(&evsel->hists); evsel->sample_size = __perf_evsel__sample_size(attr->sample_type); diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 3d2b801..cbf6d97 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -228,6 +228,6 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) static inline bool perf_evsel__is_group_member(const struct perf_evsel *evsel) { - return evsel->leader != NULL; + return evsel->leader != evsel; } #endif /* __PERF_EVSEL_H */ -- 1.7.9.2.358.g22243 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
