Re: [PATCH 04/12] perf_events: sync branch stack sampling with X86precise_sampling

From: Peter Zijlstra
Date: Thu Oct 06 2011 - 13:25:30 EST


On Thu, 2011-10-06 at 16:49 +0200, Stephane Eranian wrote:
>
> On Intel X86 PERF_SAMPLE_BRANCH_STACK is implemented using LBR,
> therefore both features must be coordinated as they may not
> configure LBR the same way.

Differently, you mean? Both wanting the same configuration seems fine.
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