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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: "Yan, Zheng" <zheng.z.yan@linux.intel.com>
Cc: Avi Kivity <avi@redhat.com>, Pekka Enberg <penberg@kernel.org>,
	Sasha Levin <levinsasha928@gmail.com>,
	Asias He <asias.hejun@gmail.com>,
	Cyrill Gorcunov <gorcunov@gmail.com>, Ingo Molnar <mingo@elte.hu>,
	KVM General <kvm@vger.kernel.org>, Gleb Natapov <gleb@redhat.com>
Subject: Re: perf uncore & lkvm woes
Date: Fri, 17 Aug 2012 08:56:14 +0200	[thread overview]
Message-ID: <1345186574.29668.56.camel@twins> (raw)
In-Reply-To: <502DA115.1090907@linux.intel.com>

On Fri, 2012-08-17 at 09:40 +0800, Yan, Zheng wrote:
> 
> Peter, do I need to submit a patch disables uncore on virtualized CPU?
> 
I think Avi prefers the method where KVM 'fakes' the MSRs and we have to
detect if the MSRs actually work or not.

If you're willing to have a go at that, please do so. If you're not sure
how to do the KVM part, I'm sure Avi and/or Gleb can help you out.

  reply	other threads:[~2012-08-17  6:56 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-16  7:01 perf uncore & lkvm woes Pekka Enberg
2012-08-16  7:07 ` Cyrill Gorcunov
2012-08-16  7:16   ` Cyrill Gorcunov
2012-08-16  7:16   ` Pekka Enberg
2012-08-16  7:19 ` Peter Zijlstra
2012-08-16  7:38   ` Yan, Zheng
2012-08-16  7:41     ` Pekka Enberg
2012-08-16  7:46       ` Cyrill Gorcunov
2012-08-16  8:45         ` Avi Kivity
2012-08-16  9:06           ` Cyrill Gorcunov
2012-08-16  9:23             ` Pekka Enberg
2012-08-16  8:40       ` Avi Kivity
2012-08-16 11:06         ` Avi Kivity
2012-08-16 11:17           ` Peter Zijlstra
2012-08-16 11:25             ` Avi Kivity
2012-08-17  1:40               ` Yan, Zheng
2012-08-17  6:56                 ` Peter Zijlstra [this message]
2012-08-19  9:55                   ` Avi Kivity
2012-08-20  4:15                     ` Yan, Zheng
2012-08-20  8:49                       ` Avi Kivity
2012-08-21  1:11                         ` Yan, Zheng
2012-08-21  8:32                           ` Avi Kivity
2012-08-21  9:07                             ` Yan, Zheng
2012-08-20  5:30                     ` Yan, Zheng
2012-08-20  8:48                       ` Avi Kivity
2012-08-21  7:11                     ` Peter Zijlstra
2012-08-21  8:34                       ` Avi Kivity
2012-08-21 10:35                         ` Peter Zijlstra
2012-08-22  8:53                           ` Avi Kivity
2012-08-16 14:28             ` David Ahern

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