From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Binh Q. Pham" Subject: Re: Performance counters in kvm? Date: Thu, 14 Nov 2013 15:31:01 -0500 Message-ID: <52853305.5030109@cs.rutgers.edu> 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> <20131114172136.GC2088@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Gleb Natapov Return-path: Received: from dragon.rutgers.edu ([128.6.4.3]:39747 "EHLO dragon.rutgers.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756664Ab3KNUbI (ORCPT ); Thu, 14 Nov 2013 15:31:08 -0500 In-Reply-To: <20131114172136.GC2088@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: My host kernel version is 3.10.17 Binh On 11/14/2013 12:21 PM, Gleb Natapov wrote: > 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.