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>

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 7530588fa5c5eaa9946ebe3e01e5b73cb7f3844e..787d4daef185ff19869f1bcc797b41bfd6cafbae 100644 (file)
--- 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;