From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757138AbbICQhM (ORCPT ); Thu, 3 Sep 2015 12:37:12 -0400 Received: from mail.kernel.org ([198.145.29.136]:57234 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752537AbbICQhK (ORCPT ); Thu, 3 Sep 2015 12:37:10 -0400 Date: Thu, 3 Sep 2015 13:37:06 -0300 From: Arnaldo Carvalho de Melo To: Jan Stancek Cc: Adrian Hunter , linux-kernel@vger.kernel.org, jolsa@kernel.org, dsahern@gmail.com, cjashfor@linux.vnet.ibm.com, fweisbec@gmail.com, mingo@kernel.org, namhyung@kernel.org, paulus@samba.org, a.p.zijlstra@chello.nl Subject: Re: [PATCH v3 2/4] perf tests: make objdump disassemble zero blocks Message-ID: <20150903163706.GF11521@kernel.org> References: <55E80EBA.6080107@intel.com> <130c6267fbdb9af506633a9efa06f3269ff5bd2c.1441275982.git.jstancek@redhat.com> <55E8309B.6040704@intel.com> <20150903151410.GD11521@kernel.org> <55E872F8.8020400@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55E872F8.8020400@redhat.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Thu, Sep 03, 2015 at 06:19:04PM +0200, Jan Stancek escreveu: > On 09/03/2015 05:14 PM, Arnaldo Carvalho de Melo wrote: > > Em Thu, Sep 03, 2015 at 02:35:55PM +0300, Adrian Hunter escreveu: > >> On 03/09/15 14:23, Jan Stancek wrote: > >>> Add -z parameter to avoid skipping zero blocks: > >>> > >>> ffffffff816704fe : > >>> ffffffff816704fe: 7b 34 jnp ffffffff81670534 > >>> ... > >>> ffffffff81670501 : > >>> ffffffff81670501: 0f ba e2 03 bt $0x3,%edx > >>> ffffffff81670505: 73 11 jae ffffffff81670518 > >> > >> Acked-by: Adrian Hunter > > > > Ok, I am applying this, but it would be nice to know in which systems, > > with which objdump/binutils versions which 'perf test' entry fails, with > > the output of such failure. > > > > Jan, can you please provide this info? > > Since my original report last year [1], I've seen it fail many times on Ok, so it is a longstanding bug and now I have some tool output where it fails to complement what was in these two patches, thanks, I'll update it and put it on my next perf/urgent pull request to upstream. - Arnaldo