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perf: Simplify __perf_event_read
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 20 Nov 2009 21:19:53 +0000 (22:19 +0100)
committerIngo Molnar <mingo@elte.hu>
Sat, 21 Nov 2009 13:11:39 +0000 (14:11 +0100)
commit58e5ad1de3d6ad931c84f0cc8ef0655c922f30ad
treef3b018f0f8ceaf21747b5e1d912ad30b40d00779tree | snapshot (tar.gz zip)
parent3dbebf15c5d3e265f751eec72c1538a00da4be27commit | diff
perf: Simplify __perf_event_read

cpuctx is always active, task context is always active for
current

the previous condition verifies that if its a task context its
for current, hence we can assume ctx->is_active.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091120212509.000272254@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_event.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)