From: Gleb Natapov <gleb@redhat.com>
To: Sriram Murthy <sriramsm@yahoo.com>
Cc: kvm@vger.kernel.org
Subject: Re: PMU support on KVM
Date: Thu, 17 May 2012 10:27:36 +0300 [thread overview]
Message-ID: <20120517072736.GV32036@redhat.com> (raw)
In-Reply-To: <1337217948.47337.YahooMailClassic@web160506.mail.bf1.yahoo.com>
On Wed, May 16, 2012 at 06:25:48PM -0700, Sriram Murthy wrote:
> Hi,
> Can I run Intel vTune program that uses hardware events from the PMU, for profiling, on my linux VM on KVM? Also, what is the current state of PMU support for guest VMs on KVM?.
No, unfortunately you can't. vTune does not honor cpuid bits correctly
and uses unsupported MSRs. This should be fixed in future version of
vTune though. What vTune gives you that perf does not?
--
Gleb.
prev parent reply other threads:[~2012-05-17 7:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 1:25 PMU support on KVM Sriram Murthy
2012-05-17 7:27 ` Gleb Natapov [this message]
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