linux-kernel - RE: perf, x86: Disable PEBS on SandyBridge chips

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Date:	Fri, 17 Feb 2012 16:12:29 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Maarten Lankhorst <m.b.lankhorst@...il.com>
Cc:	x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: RE: perf, x86: Disable PEBS on SandyBridge chips

On Fri, 2012-02-17 at 13:39 +0100, Maarten Lankhorst wrote:
> Hey Peter,
> 
> Why is PEBS disabled? If I look at the intel_clovertown_quirks I can see 
> why it's disabled for that cpu, but the sandy bridge one lacks any kind 
> of clarification or information on why, or how I can learn more.

hpa, could you get the official Intel answer on this?
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