linux-kernel - Re: [PATCH] x86-64 add missing PMU MSR definitions

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Date:	Tue, 22 Aug 2006 03:34:58 -0700
From:	Stephane Eranian <eranian@....hp.com>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86-64 add missing PMU MSR definitions

Andi,

On Mon, Aug 21, 2006 at 01:13:44AM +0200, Andi Kleen wrote:
> On Sunday 20 August 2006 23:48, Stephane Eranian wrote:
> > Hello,
> > 
> > Here is a patch to add a couple of missing MSR definitions related
> > to Performance monitoring for EM64T. A separate patch contains the
> > i386 equivalent.
> > 
> > Changelog:
> >         - add MSR definitions for IA32_PEBS_ENABLE and PEBS_MATRIX_VERT
> 
> 
> The names seem somewhat mixed up.
> 
> I think I would prefer P4 and no IA32 prefixes for all of them.
> (or does Core2 still have PEBS?)

OK, let's wait until Intel *finally* releases the Core 2 PMU specification
publicly and then I'll push a patch. Those MSRs are not that critical anyway.
Perfmon2 is probably the only consumer.

-- 
-Stephane
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