From: Ingo Molnar <mingo@elte.hu>
To: Avi Kivity <avi@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Joerg Roedel <joerg.roedel@amd.com>,
Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH 1/3] perf, core: Introduce attrs to count in either host or guest mode
Date: Wed, 11 May 2011 16:02:42 +0200 [thread overview]
Message-ID: <20110511140242.GB18219@elte.hu> (raw)
In-Reply-To: <4DCA94B7.7090001@redhat.com>
* Avi Kivity <avi@redhat.com> wrote:
> 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.
Yeah.
Also, the flags are named in a way to make the default zero value the most
inclusive option. So we do not have include_guest but exclude_guest, etc.
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-11 17:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-10 14:35 [RFC][PATCH 0/3] perf support for amd guest/host-only bits Joerg Roedel
2011-05-10 14:35 ` [PATCH 1/3] perf, core: Introduce attrs to count in either host or guest mode Joerg Roedel
2011-05-10 14:45 ` Peter Zijlstra
2011-05-10 14:59 ` Roedel, Joerg
2011-05-10 15:18 ` Peter Zijlstra
2011-05-10 15:38 ` Roedel, Joerg
2011-05-10 16:07 ` Peter Zijlstra
2011-05-10 16:25 ` Roedel, Joerg
2011-05-11 11:44 ` Avi Kivity
2011-05-11 11:45 ` Avi Kivity
2011-05-11 13:49 ` Peter Zijlstra
2011-05-11 13:52 ` Avi Kivity
2011-05-11 14:02 ` Ingo Molnar [this message]
2011-05-10 14:35 ` [PATCH 2/3] perf, x86: Use GO/HO bits in perf-ctr Joerg Roedel
2011-05-10 14:48 ` Peter Zijlstra
2011-05-10 15:04 ` Roedel, Joerg
2011-05-11 12:58 ` Avi Kivity
2011-05-12 9:21 ` Joerg Roedel
2011-05-10 14:35 ` [PATCH 3/3] perf, tools: Add support for guest/host-only profiling Joerg Roedel
2011-05-10 14:50 ` Peter Zijlstra
2011-05-10 15:08 ` Roedel, Joerg
2011-05-10 15:25 ` Peter Zijlstra
2011-05-10 15:46 ` Roedel, Joerg
2011-05-10 16:09 ` Peter Zijlstra
2011-05-10 15:21 ` [RFC][PATCH 0/3] perf support for amd guest/host-only bits Ingo Molnar
2011-05-10 15:50 ` Roedel, Joerg
2011-05-10 20:41 ` Ingo Molnar
2011-05-11 8:57 ` Joerg Roedel
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