linux-kernel - Re: [PATCH 6/9] perf, intel: Use GO/HO bits in perf-ctr

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Message-ID: <4E8AD021.1030602@redhat.com>
Date:	Tue, 04 Oct 2011 11:21:37 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Gleb Natapov <gleb@...hat.com>
CC:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	joerg.roedel@....com, mingo@...e.hu, a.p.zijlstra@...llo.nl
Subject: Re: [PATCH 6/9] perf, intel: Use GO/HO bits in perf-ctr

On 10/03/2011 05:41 PM, Gleb Natapov wrote:
> >  Would be better to calculate these when the host msrs are
> >  calculated, instead of here, every vmentry.
> >
> For arch PMU v2 and greater it is precalculated. For v1 (which is almost
> non existent, even my oldest cpu with VMX has v2 PMU) I am not sure it
> will help since we need to copy information to perf_guest_switch_msr
> array anyway here.
>

Okay.

-- 
error compiling committee.c: too many arguments to function

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