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(parent: 0e87763) | patch
perf_events: Disable events when we detach them
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Mon, 23 Nov 2009 10:37:25 +0000 (11:37 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 23 Nov 2009 10:49:56 +0000 (11:49 +0100)
commit9b7c76ce58716b6b2a14e195f19925f03cbd6024
tree227e0bfd12757fb90d403440f318e7337144c468tree | snapshot
parent0e8776364f950bb09b65f45821c48303cacccf45commit | diff
perf_events: Disable events when we detach them

If we leave the event in STATE_INACTIVE, any read of the event
after the detach will increase the running count but not the
enabled count and cause funny scaling artefacts.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091123103819.689055515@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_event.c diff | blob | history
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