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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-06-26 13:10:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-26 17:48:54 +0200 |
| commit | 19d2e755436054dfc2be640bffc32e427c37ac3d (patch) | |
| tree | f53c2e93820d1ca6d04e8b42c7bca08af01c9b44 /kernel | |
| parent | f55c555226b1010b249730ec6b232e5470286950 (diff) | |
| download | linux-19d2e755436054dfc2be640bffc32e427c37ac3d.tar.bz2 | |
perf_counter: Complete counter swap
Complete the counter swap by indeed switching the times too and
updating the userpage after modifying the counter values.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1246014623.31755.195.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_counter.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index f2f232696587..66ab1e9d1294 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -1048,9 +1048,14 @@ static void __perf_counter_sync_stat(struct perf_counter *counter, value = atomic64_xchg(&counter->count, value); atomic64_set(&next_counter->count, value); + swap(counter->total_time_enabled, next_counter->total_time_enabled); + swap(counter->total_time_running, next_counter->total_time_running); + /* - * XXX also sync time_enabled and time_running ? + * Since we swizzled the values, update the user visible data too. */ + perf_counter_update_userpage(counter); + perf_counter_update_userpage(next_counter); } #define list_next_entry(pos, member) \ |