From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761272Ab3LISHO (ORCPT ); Mon, 9 Dec 2013 13:07:14 -0500 Received: from mail-qa0-f48.google.com ([209.85.216.48]:49334 "EHLO mail-qa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755804Ab3LISHL (ORCPT ); Mon, 9 Dec 2013 13:07:11 -0500 Date: Mon, 9 Dec 2013 15:07:05 -0300 From: Arnaldo Carvalho de Melo To: David Ahern Cc: Dongsheng Yang , linux-kernel@vger.kernel.org Subject: Re: [PATCH] perf tools: Fix bug for perf kvm report without guestmount. Message-ID: <20131209180705.GB8098@ghostprotocols.net> References: <1386365588-13046-1-git-send-email-yangds.fnst@cn.fujitsu.com> <20131206115627.GA2279@ghostprotocols.net> <52A4AED8.3000506@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52A4AED8.3000506@gmail.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Sun, Dec 08, 2013 at 10:39:36AM -0700, David Ahern escreveu: > On 12/6/13, 4:56 AM, Arnaldo Carvalho de Melo wrote: > >You get correct results because the modules/kallsyms info you provided > >matches the VM you're testing, i.e. the pid test is not needed. > > > >I think we need to specify for which PID the --guestmodules and > >--guestkallsyms is provided, so that it can refuse to use it for pids > >where it is invalid. > > Those are arguments are shortcut defaults for guests. If the VMs are > not running the same kernel use guestmount and pid specific > directories. e.g., > > /tmp/guestmount//proc/kallsyms Does this already works like that? /me tries to figure that out... - Arnaldo