From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27354 invoked by alias); 28 May 2013 18:03:26 -0000 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 Received: (qmail 27313 invoked by uid 89); 28 May 2013 18:03:19 -0000 X-Spam-SWARE-Status: No, score=-4.5 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.1 Received: from mail-vc0-f170.google.com (HELO mail-vc0-f170.google.com) (209.85.220.170) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Tue, 28 May 2013 18:03:16 +0000 Received: by mail-vc0-f170.google.com with SMTP id gf11so5746557vcb.1 for ; Tue, 28 May 2013 11:03:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=SApxXGOW6xLau1VrqN+KmoqcYc8JasJD+0ucZKfe19U=; b=cj8OESEZSAN/T+VFGto/6wUYzdvw9qkPOaXWeGO1CJ+LkAI6fhwUcRYbrXto2GOEfa dJi7klBFrZPiks6DlbelidTnRIgDanC2b9w+Cl3s7qsyzpiPqBh39BQQ1w+diYarAOFT qPTf+ff3eluX0EAZv9tYmqh2QPWbWdV/WvS1cDElFfNEd5moXO5/W9qkSzKE54ElZ5v/ FUb9ttKFvn4G1Qs984ip1lGgqPqedBfK/ACRp5EBg4NG0q2tEMt1e733A9U/Lhjc/EJj C+9U/FFgmbaNVsHajmB0+aNW4P+ehLxOWevyWOHLtDSqfgJjJqlzTWFC87AuQpGe1h36 D4dg== MIME-Version: 1.0 X-Received: by 10.220.167.69 with SMTP id p5mr18516550vcy.57.1369764194833; Tue, 28 May 2013 11:03:14 -0700 (PDT) Received: by 10.220.54.206 with HTTP; Tue, 28 May 2013 11:03:14 -0700 (PDT) In-Reply-To: <1369763628.3295.27.camel@pdsdesk> References: <1368733335.4101.743.camel@pdsdesk> <51960329.2010802@redhat.com> <1369248335.7209.151.camel@homebase> <1369250399.7209.164.camel@homebase> <87wqqqg4e2.fsf@fleche.redhat.com> <1369264444.7209.184.camel@homebase> <1369284101.7209.197.camel@homebase> <1369762373.3295.20.camel@pdsdesk> <1369763628.3295.27.camel@pdsdesk> Date: Tue, 28 May 2013 18:03:00 -0000 Message-ID: Subject: Re: [GDB 7.6/GCC 4.8.0] Slowdown in GDB macro processing for cores? From: Doug Evans To: psmith@gnu.org Cc: Tom Tromey , Pedro Alves , gdb Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQmVsJ6xHLP0qVJ6fD2yMvRA2yAhAjebGmrL57OP5FxOl6UAxGTMMMn69jkRMc/K24bNKFj8ZxRfwQ0/577j6fmAhrVH+0xGxzBqQDyjlIWKG2RErZeMci5CM6K9wXMAGDVXd3Go70zw1XaAFkEioT+x0wTKjSuXBQNGxrvg++E8ZZtxu9+Bau7lMrAT18UEL6UROBZX X-SW-Source: 2013-05/txt/msg00127.txt.bz2 On Tue, May 28, 2013 at 10:53 AM, Paul Smith wrote: > On Tue, 2013-05-28 at 10:40 -0700, Doug Evans wrote: >> > I'll try the latest Git to see if it makes a difference. >> >> I'd be curious for before/after data with this patch: >> >> http://sourceware.org/ml/gdb-patches/2013-05/msg00964.html >> >> I doubt it fixes everything, or even a lot of it. > > I didn't realize that wasn't pushed yet. In any event I tried the > latest content of Git and then I also tried with the above patch > applied, and there was no appreciable improvement (I didn't do an > in-depth analysis of exactly how many times various functions were > called to see if it improved, but the iterations of the macro continued > to take multiple seconds where they take fractions of a second with > 7.5.1). Not unexpected, but thanks for the data.