linux-kernel - Re: [PATCH 04/12] perf_events: sync branch stack sampling with X86 precise

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Message-ID: <1317921909.29658.16.camel@twins>
Date:	Thu, 06 Oct 2011 19:25:09 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, acme@...hat.com,
	ming.m.lin@...el.com, andi@...stfloor.org, robert.richter@....com,
	ravitillo@....gov
Subject: Re: [PATCH 04/12] perf_events: sync branch stack sampling with X86
 precise_sampling

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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