From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: Performance counters in kvm? Date: Thu, 14 Nov 2013 18:46:30 +0200 Message-ID: <20131114164630.GB2088@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> 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]:19661 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757438Ab3KNQqw (ORCPT ); Thu, 14 Nov 2013 11:46:52 -0500 Content-Disposition: inline In-Reply-To: <5284F7A0.2060700@cs.rutgers.edu> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Nov 14, 2013 at 11:17:36AM -0500, Binh Q. Pham wrote: > I am using: QEMU emulator version 1.5.0 (Debian > 1.5.0+dfsg-3ubuntu5), Copyright (c) 2003-2008 Fabrice Bellard > Attached files are output from cpuinfo and dmesg that you asked for. > What is the output of "cpuid" in the guest? BTW your guest kernel is not compiled with virtualization support. Shouldn't matter for perf counters, but other things may be slow or not work correctly. -- Gleb.