perf_events: Disable events when we detach them

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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>

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Peter Zijlstra 2009-11-23 11:37:25 +01:00 • committed by Ingo Molnar

parent 6c2bfcbe58

commit 2e2af50b1f

1 changed files with 2 additions and 0 deletions

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kernel/perf_event.c

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