From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936198AbZDIS42 (ORCPT ); Thu, 9 Apr 2009 14:56:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760361AbZDIS4K (ORCPT ); Thu, 9 Apr 2009 14:56:10 -0400 Received: from tomts16-srv.bellnexxia.net ([209.226.175.4]:62735 "EHLO tomts16-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758917AbZDIS4J convert rfc822-to-8bit (ORCPT ); Thu, 9 Apr 2009 14:56:09 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuAEABfi3UlMQW1W/2dsb2JhbACBUpMpuW+DewY Date: Thu, 9 Apr 2009 14:56:06 -0400 From: Mathieu Desnoyers To: =?utf-8?B?5pu+54+K?= , pierre-marc.fournier@polymtl.ca Cc: ltt-dev@lists.casi.polymtl.ca, linux-kernel@vger.kernel.org Subject: Re: LTTng 0.115 for Linux 2.6.29 Message-ID: <20090409185606.GB4252@Krystal> References: <20090324031446.GA9515@Krystal> <9f49f7820904090734i1c7b727u61f235fd9ed162a2@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <9f49f7820904090734i1c7b727u61f235fd9ed162a2@mail.gmail.com> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 14:53:37 up 40 days, 15:19, 1 user, load average: 0.37, 0.37, 0.31 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * 曾珊 (zengshan227@gmail.com) wrote: > can ltt been used in network IO tracing under the environment of KVM? > > hi: > what I meant path tracing is that we want to get the ingressing path of a > packet under the environment of KVM (Kernel based Virtual Machine ), what we > want to know exactly is the ingressing path of a packet from the host > machine to the virtual machine , > ps: KVM used Qemu to process its network I/O , which is actually a process > in the host OS. > Any ideas? > Thank you very much~ Yes, Pierre-Marc has done some work to make sure LTTV can show traces from both the host kernel and a virtual machine together and therefore allow the kind of analysis you are looking for. I am putting him in CC so he can explain how to use his work. Mathieu > > 2009/3/24 Mathieu Desnoyers > > > Hi, > > > > I just released LTTng 0.115 for Linux 2.6.29. Happy tracing. :) > > > > It is, as always, available both as a patchset and as a git tree. See > > http://www.lttng.org for details. > > > > Mathieu > > > > > > -- > > Mathieu Desnoyers > > OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68