linux-kernel - Re: [PATCH 1/5] perf, x86: Don't assume the alternative cycles encoding is architectural

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Date:	Wed, 06 Jun 2012 19:10:45 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
	eranian@...gle.com
Subject: Re: [PATCH 1/5] perf, x86: Don't assume the alternative cycles
 encoding is architectural

On Wed, 2012-06-06 at 18:08 +0200, Andi Kleen wrote:
> How about newer unknown Intel CPUs with arch_perfmon >= 3? Those would get 
> intel_pmu, correct?  There's no guarantee that they support the trick.

But they will have no PEBS constraints set, so effectively don't have
PEBS.
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