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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-10-14 22:32:45 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-18 19:58:59 +0200
commit7e54a5a0b655734326dc78c2b5efc1eb35497bb6 (patch)
tree71346dfdb01ef387ad1aaaccbf72b3127814ce92 /kernel/perf_event.c
parent82cd6def9806dcb6a325fb6abbc1d61388a15f6a (diff)
downloadop-kernel-dev-7e54a5a0b655734326dc78c2b5efc1eb35497bb6.zip
op-kernel-dev-7e54a5a0b655734326dc78c2b5efc1eb35497bb6.tar.gz
perf: Optimize sw events
Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index f7febb0..05ecf6f 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4669,7 +4669,7 @@ static void sw_perf_event_destroy(struct perf_event *event)
WARN_ON(event->parent);
- atomic_dec(&perf_swevent_enabled[event_id]);
+ jump_label_dec(&perf_swevent_enabled[event_id]);
swevent_hlist_put(event);
}
@@ -4699,7 +4699,7 @@ static int perf_swevent_init(struct perf_event *event)
if (err)
return err;
- atomic_inc(&perf_swevent_enabled[event_id]);
+ jump_label_inc(&perf_swevent_enabled[event_id]);
event->destroy = sw_perf_event_destroy;
}
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