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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>
This commit is contained in:
Anton Blanchard 2009-07-22 23:05:46 +10:00 committed by Peter Zijlstra
parent a0541234f8
commit 966ee4d6b8
1 changed files with 4 additions and 1 deletions
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5
kernel/perf_counter.c
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@ -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;