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authorNamhyung Kim <namhyung.kim@lge.com>2012-09-05 01:02:47 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-05 16:46:03 -0400
commit74ba9e11f02a4ce0c7708dc77d1756b93065e440 (patch)
treec5ac01df6934c21fb85315522a083491073d5e9e /tools/perf/util/header.c
parent12046099160e65cddb639f8b3dda2bd0701c09d6 (diff)
perf header: Use evlist->nr_entries on write_event_desc()
Number of events (evsels) in a evlist is kept on nr_entries field so that we don't need to recalculate it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1346821373-31621-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.c')
-rw-r--r--tools/perf/util/header.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 9696e64c9dbd..a124b9328170 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -610,11 +610,10 @@ static int write_event_desc(int fd, struct perf_header *h __used,
610 struct perf_evlist *evlist) 610 struct perf_evlist *evlist)
611{ 611{
612 struct perf_evsel *evsel; 612 struct perf_evsel *evsel;
613 u32 nre = 0, nri, sz; 613 u32 nre, nri, sz;
614 int ret; 614 int ret;
615 615
616 list_for_each_entry(evsel, &evlist->entries, node) 616 nre = evlist->nr_entries;
617 nre++;
618 617
619 /* 618 /*
620 * write number of events 619 * write number of events