From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24632 invoked by alias); 21 Nov 2005 08:04:41 -0000 Received: (qmail 24625 invoked by uid 22791); 21 Nov 2005 08:04:40 -0000 X-Spam-Check-By: sourceware.org Received: from zproxy.gmail.com (HELO zproxy.gmail.com) (64.233.162.207) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 21 Nov 2005 08:04:36 +0000 Received: by zproxy.gmail.com with SMTP id n1so759509nzf for ; Mon, 21 Nov 2005 00:04:34 -0800 (PST) Received: by 10.36.103.5 with SMTP id a5mr2788255nzc; Mon, 21 Nov 2005 00:04:34 -0800 (PST) Received: by 10.36.31.6 with HTTP; Mon, 21 Nov 2005 00:04:34 -0800 (PST) Message-ID: Date: Mon, 21 Nov 2005 08:04:00 -0000 From: Donny Kurniawan To: Konstantin Karganov Subject: Re: libGDB and gdbserver questions Cc: Vladimir Prus , gdb@sources.redhat.com In-Reply-To: <159126900511160119o24697a0an@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <159126900511160119o24697a0an@mail.gmail.com> X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2005-11/txt/msg00444.txt.bz2 > It has a "parallel gdb" version called mpigdb: > http://www-unix.mcs.anl.gov/mpi/mpich/docs/userguide/node26.htm#Node29 > > It wraps the stdio and allows to send gdb commands either to all nodes > or to one specified node. The worst thing is that it works > synchronously - when you issue "step" to one node you can not issue > other commands (even switching to another node) until the step > completes. > Hi Konstantin, We used mpigdb in the past. But, clearly it will choke if we use it to handle 1000 procs. Thus, we're looking for a very lightweight debug engine. Donny