From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: urgent help needed :perf record and report showing inconsistent results Date: Wed, 23 Oct 2013 17:33:56 +0100 Message-ID: <5267FA74.603@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f182.google.com ([209.85.212.182]:43819 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750847Ab3JWQeC (ORCPT ); Wed, 23 Oct 2013 12:34:02 -0400 Received: by mail-wi0-f182.google.com with SMTP id ez12so1197639wid.3 for ; Wed, 23 Oct 2013 09:34:00 -0700 (PDT) In-Reply-To: Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Nitisha Jain , linux-perf-users@vger.kernel.org On 10/23/13 5:06 PM, Nitisha Jain wrote: > hi, > > I am trying to find the overhead due to the kvm hypervisor when an IO > intensive process is running on a virtual machine and the perf record/report > are run on the host.( host has 12 cores, VM is pinned to a core) Have you tried 'perf kvm stat live'? David