From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: Performance counters in kvm? Date: Thu, 14 Nov 2013 19:21:36 +0200 Message-ID: <20131114172136.GC2088@redhat.com> References: <5283AE31.1000303@cs.rutgers.edu> <20131113175409.GA2088@redhat.com> <5284420E.8070403@cs.rutgers.edu> <20131114071616.GK2008@redhat.com> <5284F7A0.2060700@cs.rutgers.edu> <20131114164630.GB2088@redhat.com> <528502B2.8030605@cs.rutgers.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: "Binh Q. Pham" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:10956 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752943Ab3KNRV6 (ORCPT ); Thu, 14 Nov 2013 12:21:58 -0500 Content-Disposition: inline In-Reply-To: <528502B2.8030605@cs.rutgers.edu> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Nov 14, 2013 at 12:04:50PM -0500, Binh Q. Pham wrote: > cpuid output is attached. PMU support is not advertised to the guest which means that either QEMU is broken or your host kernel does not have PMU kvm support. What is your host kernel version? > I didn't know that the kernel was not compiled with virtualization > support as I was using a ready image from ubuntu website to install > the VM. In the long run, are you suggesting me to recompile the > kernel for the guest to make sure that it has virtualization > support? > I am surprised ubuntu kernel does not have virtualiztion support compiled in. May be they have separate kernel for that, but I am not ubuntu user so cannot tell. -- Gleb.