From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10508 invoked by alias); 6 Apr 2009 22:15:38 -0000 Received: (qmail 10493 invoked by uid 22791); 6 Apr 2009 22:15:36 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from smtp-outbound-1.vmware.com (HELO smtp-outbound-1.vmware.com) (65.115.85.69) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 06 Apr 2009 22:15:25 +0000 Received: from mailhost5.vmware.com (mailhost5.vmware.com [10.16.68.131]) by smtp-outbound-1.vmware.com (Postfix) with ESMTP id C57BF2602D; Mon, 6 Apr 2009 15:15:23 -0700 (PDT) Received: from [10.20.94.141] (msnyder-server.eng.vmware.com [10.20.94.141]) by mailhost5.vmware.com (Postfix) with ESMTP id B90F4DC11E; Mon, 6 Apr 2009 15:15:23 -0700 (PDT) Message-ID: <49DA7E3A.7030409@vmware.com> Date: Mon, 06 Apr 2009 22:35:00 -0000 From: Michael Snyder User-Agent: Thunderbird 1.5.0.12 (X11/20080411) MIME-Version: 1.0 To: Zhiyong CC: "gdb@sourceware.org" Subject: Re: Integrate BLCR to GDB References: <22891922.post@talk.nabble.com> <49DA5F4F.9070007@vmware.com> <22917611.post@talk.nabble.com> In-Reply-To: <22917611.post@talk.nabble.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2009-04/txt/msg00082.txt.bz2 Zhiyong wrote: > > Michael Snyder-6 wrote: >> >> Sounds like a very interesting project. >> >> Would you be interested in spearheading it? >> >> >> > > > Hi Michael, > > I am totally new to gdb so I am afraid I will need quite some help from > someone here with experience. But I am more than happy to spend some time on > it. > > I am also new to BLCR. My previous short description of BLCR is > incorrect. For example BLCR does support x86, x86-64, ppc, ppc64 and ARM and > Xen dom0/domU. This recent presentation may give a more complete picture > about BLCR : https://ftg.lbl.gov/CheckpointRestart/Pubs/WTTC2008-BKK.pdf. > > I see there are other approach/solutions out there to achieve similar > goals in terms of debugging: like using visualization VM or effort on > reversible debugging. In my working area, I have to deal with programs with > huge memory footprint ( > 16G ), long runtime like in days and > multi-threaded. I feel BLCR approach fits the requirement nicely. Actually I > can use BLCR as standalone for my debugging purpose. I just wish I could > easily do the checkpoint/restart inside gdb. > > I probably will also contact BLCR folks to see if they already have > something done for gdb or not. Thanks. This is an area that interests me personally -- unfortunately I am very busy these days. With respect to doing the checkpoints from within gdb -- do you know if there are shell commands for doing that? If so, you might be able to write a combination of gdb scripts and shell commands. Michael