From: Wei Wang2 <wei.wang2@amd.com>
To: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: [PATCH 0/4] VPMU: Performance counter virtualization for AMD family 10h processors
Date: Wed, 12 May 2010 18:25:02 +0200 [thread overview]
Message-ID: <201005121825.02887.wei.wang2@amd.com> (raw)
Hi,
Thist patch set implements performance counter virtualization for AMD family
10h processors. Using this patch, profiling tools can be utilized directly
within HVM guest without modification.
AMD family 10h processor offers a hardware feature, the Guest Only bit, for
guest profiling. If GO bit is enabled, only guest cycles are counted. This
will highly reduced the complexity of hypervisor design and boost the
performance for profiling guest.
Thanks,
Wei
Signed-off-by: Wei Wang <wei.wang2@amd.com>
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reply other threads:[~2010-05-12 16:25 UTC|newest]
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