Commit-ID: 74ba9e11f02a4ce0c7708dc77d1756b93065e440
Gitweb: http://git.kernel.org/tip/74ba9e11f02a4ce0c7708dc77d1756b93065e440
Author: Namhyung Kim <namhyung.kim@xxxxxxx>
AuthorDate: Wed, 5 Sep 2012 14:02:47 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 5 Sep 2012 17:46:03 -0300
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@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1346821373-31621-2-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 9696e64..a124b93 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
--
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