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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-09-05 07:02:47 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-05 22:46:03 +0200 |
| commit | 74ba9e11f02a4ce0c7708dc77d1756b93065e440 (patch) | |
| tree | c5ac01df6934c21fb85315522a083491073d5e9e /tools/perf/util/header.c | |
| parent | perf tools: remove unneeded include of network header files (diff) | |
| download | linux-74ba9e11f02a4ce0c7708dc77d1756b93065e440.tar.xz linux-74ba9e11f02a4ce0c7708dc77d1756b93065e440.zip | |
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, struct perf_evlist *evlist) { struct perf_evsel *evsel; - u32 nre = 0, nri, sz; + u32 nre, nri, sz; int ret; - list_for_each_entry(evsel, &evlist->entries, node) - nre++; + nre = evlist->nr_entries; /* * write number of events |