perf_events: Add fast-path to the rescheduling code

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Implement correct fastpath scheduling, i.e., reuse previous assignment.

Signed-off-by: Stephane Eranian <eranian@google.com>
[ split from larger patch]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4b588464.1818d00a.4456.383b@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Stephane Eranian 2010-01-21 17:39:01 +02:00 • committed by Ingo Molnar

parent 1da53e0230

commit 8113070d66

1 changed files with 61 additions and 30 deletions

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arch/x86/kernel/cpu/perf_event.c

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