From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:34463) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RsvyL-0007Ez-8q for qemu-devel@nongnu.org; Thu, 02 Feb 2012 07:41:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RsvyG-0008Iv-I0 for qemu-devel@nongnu.org; Thu, 02 Feb 2012 07:41:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:17764) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RsvyG-0008Il-Am for qemu-devel@nongnu.org; Thu, 02 Feb 2012 07:41:00 -0500 Message-ID: <4F2A844B.107@redhat.com> Date: Thu, 02 Feb 2012 14:40:43 +0200 From: Avi Kivity MIME-Version: 1.0 References: <3c9160646ba439b51b505543c0ac8275@pl1.haspere.com> In-Reply-To: <3c9160646ba439b51b505543c0ac8275@pl1.haspere.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] general protection fault List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: n2CpHSJnr4MP@dyweni.com Cc: Oprofile-List , Qemu Devel , KVM , Linux-Kernel On 01/18/2012 06:40 AM, Dyweni - KVM wrote: > Hi All, > > I'm not sure who this falls to, so I've included all all parties that > I thought may be relevant. > > I'm getting the following error from my guest kernel when running > oprofile within qemu-kvm: > kvm does not virtualize a PMU before Linux 3.3, so oprofile is not supported. The facilities for identifying the PMU to the guest are very lacking, so it's hard to make this fail gracefully. On a Linux 3.3 host, you can provide a PMU to the guest, but only using latest qemu and providing -cpu host or similar. This only works on Intel hosts for now. -- error compiling committee.c: too many arguments to function