From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francis Moreau Subject: Re: perf-probe: issue with latest fedora kernel Date: Mon, 13 Dec 2010 20:08:33 +0100 Message-ID: References: <20101209153548.GA11820@ghostprotocols.net> <20101213125837.GB5407@ghostprotocols.net> <4D0627F4.1030605@hitachi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-ww0-f42.google.com ([74.125.82.42]:47059 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751678Ab0LMTIi (ORCPT ); Mon, 13 Dec 2010 14:08:38 -0500 Received: by wwi17 with SMTP id 17so3893241wwi.1 for ; Mon, 13 Dec 2010 11:08:37 -0800 (PST) In-Reply-To: (Francis Moreau's message of "Mon, 13 Dec 2010 15:16:05 +0100") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo , linux-perf-users@vger.kernel.org, 2nddept-manager@sdl.hitachi.co.jp Francis Moreau writes: > Masami Hiramatsu writes: > >> (2010/12/13 22:08), Francis Moreau wrote: >>> Arnaldo Carvalho de Melo writes: >>> >>>> Em Mon, Dec 13, 2010 at 11:02:52AM +0100, Francis Moreau escreveu: >> >>>>> Arnaldo Carvalho de Melo writes: >>>>>> Em Thu, Dec 09, 2010 at 04:00:08PM +0100, Francis Moreau escreveu: >>>>>>> I'm trying to use perf-probe(1) with the latest F14 kernel >>>>>>> (2.6.35.9-64.fc14.x86_64). >>>> >>>>>>> I also installed kernel-debug-debuginfo-2.6.35.9-64.fc14.x86_64 which >>>>>>> contains the running vmlinux image AFAICT. >>>> >>>>>> Can you try using: >>>> >>>>>> $ perf probe -k /usr/lib/debug/lib/modules/2.6.35.9-64.fc14.x86_64.debug/vmlinux >>>> >>>>>> So that it tries it directly instead of looking into the buildid cache? >>>> >>>>> Does anybody know where I can report this issue to Fedora community ? >>>> >>>> Please create a ticket at: >>>> >>>> http://bugzilla.redhat.com >>>> >>>> More specifically: >>>> >>>> https://bugzilla.redhat.com/enter_bug.cgi?product=Fedora >>>> >>>> Mention this changeset: >>>> >>>> http://git.kernel.org/?p=linux/kernel/git/acme/linux-2.6.git;a=commit;h=34d2ea084a3bce03d73ffe64350db2813f07260c >>>> >>>> It will make the -k argument work. >>>> >>>> There is another that will look automatically at this location, but I >>>> haven't merged yet, will post here when done. >>> >>> Hmm, I don't think that any patches recently posted in response of this >>> thread will solve the problem. >> >> I agree with you. >> >>> The primarily concern here, is that the running kernel has a different >>> build-id than the debug image installed by the corresponding debug >>> package. >>> >>> I think it's a distrib issue, hence my question about Fedora report. >> >> Yes, that is just for fedora people who can easily check >> how to reproduce and make sure the problem is here. >> Then they can try to solve the problem until the issue >> is resolved. > > I created this report: > > https://bugzilla.redhat.com/show_bug.cgi?id=662653 > Now closed. -- Francis