From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13140 invoked by alias); 10 Jan 2007 14:49:34 -0000 Received: (qmail 13130 invoked by uid 22791); 10 Jan 2007 14:49:33 -0000 X-Spam-Check-By: sourceware.org Received: from brical.or.uni-bonn.de (HELO brical.or.uni-bonn.de) (131.220.141.99) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 10 Jan 2007 14:49:25 +0000 Received: from wse04.or.uni-bonn.de (bg-1.or.uni-bonn.de [131.220.141.100]) by brical.or.uni-bonn.de (Postfix) with ESMTP id 82FA93B7D0 for ; Wed, 10 Jan 2007 15:48:40 +0100 (CET) Received: from [131.220.143.130] (wse00.or.uni-bonn.de [131.220.143.130]) by wse04.or.uni-bonn.de (Postfix) with ESMTP id CAC9EE927 for ; Wed, 10 Jan 2007 15:52:10 +0100 (CET) From: Christoph Bartoschek To: gdb@sourceware.org Subject: Re: Differences between program runs with and without gdb Date: Wed, 10 Jan 2007 14:49:00 -0000 User-Agent: KMail/1.9.5 References: <200701101517.20024.bartoschek@or.uni-bonn.de> <20070110143633.GA23012@adacore.com> In-Reply-To: <20070110143633.GA23012@adacore.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200701101548.40353.bartoschek@or.uni-bonn.de> 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: 2007-01/txt/msg00169.txt.bz2 Am Mittwoch, 10. Januar 2007 15:36 schrieb Joel Brobecker: > Generally speaking, GDB tries to be as unobstructive as possible. > In practice, although the debugger interferes very little with > the program execution, it's not completely perfect. The part that > GDB might interfere with which comes first to my mind is thread > scheduling and, to a very small degree Hi, both parts do not emplain my problem. First the program is single threaded and uses no signals. Second it does not measure time and behaves deterministic. Therefore performance differences should have no effect. Christoph Bartoschek