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Re: [Xen-devel] [xen-devel] Xen PMU support

From: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>

Date: Wed, 20 Mar 2013 13:05:27 +0100

Cc: ææå <Arthur Chunqi Li> <yzt356@xxxxxxxxx>

Delivery-date: Wed, 20 Mar 2013 12:06:45 +0000

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List-id: Xen developer discussion <xen-devel.lists.xen.org>

Am Mittwoch 20 MÃ¤rz 2013, 19:44:27 schrieb æ??æ?¥å¥?: > Hi all, > I want to know if PMU in Xen HVM or PV is supported now? I have done a test > that in the latest xen-unstable source, "perf" command cannot give right > output in VMs. My CPU is Intel(R) Xeon(R) CPU E5620 @ 2.40GHz. perf should be supported for HVM guests in the last xen-unstable source for most Intel processors. You have to add the 'vpmu' flag as hypervisor boot parameter. If you start your HVM guest you should see a message in the hypervisor logs if your cpu is not supported. Dietmar. > > Thanks, > Arthur > > -- Company details: http://ts.fujitsu.com/imprint.html _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel

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