From 74ba9e11f02a4ce0c7708dc77d1756b93065e440 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Wed, 5 Sep 2012 14:02:47 +0900 Subject: [PATCH] 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 Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1346821373-31621-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 5 ++--- 1 file 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 -- 2.7.4