perf_event: x86: Optimize constraint weight computation

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Add a weight member to the constraint structure and avoid recomputing the
weight at runtime.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <20100122155535.963944926@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Peter Zijlstra 2010-01-22 16:32:17 +01:00 • committed by Ingo Molnar

parent 63b146490b

commit 272d30be62

1 changed files with 5 additions and 4 deletions

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arch/x86/kernel/cpu/perf_event.c

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