linux-kernel - Re: [PATCH 2/2] perf, x86: Enable PDIR precise instruction profiling on IvyBridge

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Message-ID: <1339624738.8980.77.camel@twins>
Date:	Wed, 13 Jun 2012 23:58:58 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] perf, x86: Enable PDIR precise instruction
 profiling on IvyBridge

On Wed, 2012-06-13 at 14:54 -0700, Andi Kleen wrote:
> Yes it's in effect, and it forces the event to counter 1. 
> That is correct and that restriction is still there. 

OK, when we cannot magically replace 'instructions' with pdir.
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