From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7853 invoked by alias); 19 Oct 2011 11:29:20 -0000 Mailing-List: contact archer-help@sourceware.org; run by ezmlm Sender: Precedence: bulk List-Post: List-Help: List-Subscribe: List-Id: Received: (qmail 7839 invoked by uid 22791); 19 Oct 2011 11:29:19 -0000 X-SWARE-Spam-Status: No, hits=-6.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Date: Wed, 19 Oct 2011 11:29:00 -0000 From: Jan Kratochvil To: Mark Wielaard Cc: Project Archer Subject: Re: gcc dwarf2out: Drop the size + performance overhead of DW_AT_sibling Message-ID: <20111019112857.GA18211@host1.jankratochvil.net> References: <201110170508.p9H581vh028090@shell.devel.redhat.com> <20111017133634.GA5677@host1.jankratochvil.net> <1318929963.8669.2.camel@springer.wildebeest.org> <20111018094457.GB2412@host1.jankratochvil.net> <1319016858.8669.81.camel@springer.wildebeest.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1319016858.8669.81.camel@springer.wildebeest.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-SW-Source: 2011-q4/txt/msg00003.txt.bz2 Hi Mark, On Wed, 19 Oct 2011 11:34:18 +0200, Mark Wielaard wrote: > real 0m0.558s -> > real 0m0.603s I find it a significant enough performance degradation. I will look into some compromise of a selective DW_AT_sibling entries. Thanks for the stap commands for performance tuning. Regards, Jan