Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753806AbZKPTlO (ORCPT ); Mon, 16 Nov 2009 14:41:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753367AbZKPTlN (ORCPT ); Mon, 16 Nov 2009 14:41:13 -0500 Received: from mail-gx0-f226.google.com ([209.85.217.226]:59333 "EHLO mail-gx0-f226.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753315AbZKPTlM (ORCPT ); Mon, 16 Nov 2009 14:41:12 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:x-url:user-agent; b=LW3L+CPxrZRuzIGO/tYRmhJOXUU4aQ4q3rb4buSiaxcZVICNYpSgETPMe/4m3A+1rm y+gjOB6A8xe+itEz2cCl1V+60dCytjdR5bp4lHbQbo7U27ut8IkJzYqov4uNqBmWzMSY iCEIl8P2af2oL9oOuLfjBGBsMCOOTZZTnoZs8= Date: Mon, 16 Nov 2009 17:41:04 -0200 From: Arnaldo Carvalho de Melo To: Frederic Weisbecker Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Mike Galbraith , Paul Mackerras , Peter Zijlstra Subject: Re: [PATCH 5/5] perf buildid-list: New plumbing command Message-ID: <20091116194104.GC12042@ghostprotocols.net> References: <1258396365-29217-1-git-send-email-acme@infradead.org> <1258396365-29217-2-git-send-email-acme@infradead.org> <1258396365-29217-3-git-send-email-acme@infradead.org> <1258396365-29217-4-git-send-email-acme@infradead.org> <1258396365-29217-5-git-send-email-acme@infradead.org> <20091116185850.GB5293@nowhere> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091116185850.GB5293@nowhere> X-Url: http://oops.ghostprotocols.net:81/blog User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1551 Lines: 35 Em Mon, Nov 16, 2009 at 07:58:52PM +0100, Frederic Weisbecker escreveu: > On Mon, Nov 16, 2009 at 04:32:45PM -0200, Arnaldo Carvalho de Melo wrote: > > With this we can list the buildids in a perf.data file so that we can > > pipe them to other, distro specific tools that from the buildids can > > figure out separate packages (foo-debuginfo) where we can find the > > matching symtabs so that perf report can do its job. > > E.g: > > [acme@doppio linux-2.6-tip]$ perf buildid-list | head -2 > > 8e08b117e5458ad3f85da16d42d0fc5cd21c5869 > > 520c2387a587cc5acfcf881e27dba1caaeab4b1f > > [acme@doppio linux-2.6-tip]$ perf buildid-list -v | head -2 > > 8e08b117e5458ad3f85da16d42d0fc5cd21c5869 /sbin/init > > 520c2387a587cc5acfcf881e27dba1caaeab4b1f /lib64/ld-2.10.1.so > > I would rather see the effect of this -v option as the default. > It's very useful to see the dso resolved but hashes alone > don't pay much. I disagree, the main purpose of this command is equivalent to 'git rev-list': [acme@doppio linux-2.6-tip]$ git rev-list HEAD^^.. 089242a8c826aac1c827bb797475b9852fe0db49 18e3a75dc47d8397bbf0936ec8e3ebdecada7ba1 [acme@doppio linux-2.6-tip]$ I.e. provide content keys that then will be used by distro specific porcelain to get the matching -debuginfo packages with the symtabs. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/