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Commit 19d2e755 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

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: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1246014623.31755.195.camel@twins>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent f55c5552

kernel/perf_counter.c

+6 −1
Original line number Diff line number Diff line
@@ -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) \