From: David Ahern <dsahern@gmail.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Avi Kivity <avi@redhat.com>, Pekka Enberg <penberg@kernel.org>,
"Yan, Zheng" <zheng.z.yan@linux.intel.com>,
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: Thu, 16 Aug 2012 08:28:33 -0600 [thread overview]
Message-ID: <502D0391.2040700@gmail.com> (raw)
In-Reply-To: <1345115846.29668.16.camel@twins>
On 8/16/12 5:17 AM, Peter Zijlstra wrote:
> If you don't mind printing a warning every time a Linux guest boots ;-)
That feature already exists today for perf related probing. e.g.,
[585929.678746] kvm [10752]: vcpu0 unhandled rdmsr: 0x345
[585929.709870] kvm_set_msr_common: 54 callbacks suppressed
[585929.709986] kvm [10752]: vcpu0 unhandled wrmsr: 0x680 data 0
[585929.710104] kvm [10752]: vcpu0 unhandled wrmsr: 0x6c0 data 0
[585929.710221] kvm [10752]: vcpu0 unhandled wrmsr: 0x681 data 0
[585929.710352] kvm [10752]: vcpu0 unhandled wrmsr: 0x6c1 data 0
[585929.710467] kvm [10752]: vcpu0 unhandled wrmsr: 0x682 data 0
[585929.710581] kvm [10752]: vcpu0 unhandled wrmsr: 0x6c2 data 0
[585929.710707] kvm [10752]: vcpu0 unhandled wrmsr: 0x683 data 0
[585929.710822] kvm [10752]: vcpu0 unhandled wrmsr: 0x6c3 data 0
[585929.710937] kvm [10752]: vcpu0 unhandled wrmsr: 0x684 data 0
[585929.711052] kvm [10752]: vcpu0 unhandled wrmsr: 0x6c4 data 0
David
prev parent reply other threads:[~2012-08-16 14:28 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
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 [this message]
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