From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: Chen Cao <kcao@redhat.com>
Cc: lmr@redhat.com, autotest@test.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] KVM test: Add perfmon into the guest tests
Date: Thu, 27 May 2010 10:08:49 +0200 [thread overview]
Message-ID: <4BFE2891.3070804@redhat.com> (raw)
In-Reply-To: <20100525030521.24717.39758.stgit@localhost.localdomain>
On 05/25/10 05:05, Chen Cao wrote:
> perfmon2 API provides access to the hardware performance counters of
> modern processors.
>
> Dependency,
> To compile the source code of the test, the following packages should
> be installed,
> glibc-static-2.11.1-6.x86_64
> glibc-headers-2.11.1-6.x86_64
> glibc-common-2.11.1-6.x86_64
> glibc-devel-2.11.1-6.x86_64
> glibc-2.11.1-6.x86_64
>
> Note,
> 1. libpfm uses the Performance Monitor Unit (PMU) on the processors,
> but this unit is not provided by kvm currently, i.e. the test should
> fail in kvm guests.
> 2. According to the README file of perfmon-tests-0.3, 2.6.24 or higer
> Linux kernel (with perfmon v2.8 or higher) is needed to run the tests.
I thought perfmon2 was deprecated in favor of perf_event.c ? The only
reference left for perfmon2 in the kernel is in the ia64 tree, and
KVM/ia64 seems to be pretty dead these days.
Cheers,
Jes
next prev parent reply other threads:[~2010-05-27 8:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-25 3:05 [PATCH] KVM test: Add perfmon into the guest tests Chen Cao
2010-05-27 8:08 ` Jes Sorensen [this message]
2010-05-27 9:53 ` Chen Cao
2010-05-27 10:04 ` Jes Sorensen
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