linux-kernel - Re: [PATCH 1/3] perf, core: Introduce attrs to count in either host or guest mode

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Message-ID: <4DCA94B7.7090001@redhat.com>
Date:	Wed, 11 May 2011 16:52:55 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Joerg Roedel <joerg.roedel@....com>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH 1/3] perf, core: Introduce attrs to count in either host
 or guest mode

On 05/11/2011 04:49 PM, Peter Zijlstra wrote:
> On Wed, 2011-05-11 at 14:45 +0300, Avi Kivity wrote:
> >  Well, actually, that depends on the meaning of exclude_hv.
>
> exclude_hv is for when the host is a guest and we don't wish to sample
> the host's host etc. PPC introduced this because ppc-linux runs as a
> guest of the 'firmware' and not on the native hardware.

Okay.  A comment is needed there to explain the differences then.

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

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