From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dietmar Hahn Subject: Re: [xen-devel] Xen PMU support Date: Wed, 20 Mar 2013 13:05:27 +0100 Message-ID: <3241565.9imeGVLUqz@amur> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xensource.com Cc: =?utf-8?B?5p2O5pil5aWHIDxBcnRodXIgQ2h1bnFpIExpPg==?= List-Id: xen-devel@lists.xenproject.org Am Mittwoch 20 M=C3=A4rz 2013, 19:44:27 schrieb =E6=9D=8E=E6=98=A5=E5=A5=87: > Hi all, > I want to know if PMU in Xen HVM or PV is supported now? I have done a te= st > 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