diff options
author | Namhyung Kim <namhyung.kim@lge.com> | 2012-09-05 01:02:47 -0400 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-05 16:46:03 -0400 |
commit | 74ba9e11f02a4ce0c7708dc77d1756b93065e440 (patch) | |
tree | c5ac01df6934c21fb85315522a083491073d5e9e /tools/perf/util/header.c | |
parent | 12046099160e65cddb639f8b3dda2bd0701c09d6 (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.c | 5 |
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 |