From 966ee4d6b887c14159043ac80b8c3661d2bbe5e2 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 22 Jul 2009 23:05:46 +1000
Subject: [PATCH] perf_counter: Fix throttle/unthrottle event logging
Right now we only print PERF_EVENT_THROTTLE + 1 (ie PERF_EVENT_UNTHROTTLE).
Fix this to print both a throttle and unthrottle event.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090722130546.GE9029@kryten>
---
kernel/perf_counter.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 7530588fa5c5..787d4daef185 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -3217,7 +3217,7 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
u64 stream_id;
} throttle_event = {
.header = {
- .type = PERF_EVENT_THROTTLE + 1,
+ .type = PERF_EVENT_THROTTLE,
.misc = 0,
.size = sizeof(throttle_event),
},
@@ -3226,6 +3226,9 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
.stream_id = counter->id,
};
+ if (enable)
+ throttle_event.header.type = PERF_EVENT_UNTHROTTLE;
+
ret = perf_output_begin(&handle, counter, sizeof(throttle_event), 1, 0);
if (ret)
return;
--
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