Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S943115AbdDTKtZ (ORCPT ); Thu, 20 Apr 2017 06:49:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36608 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S943078AbdDTKtX (ORCPT ); Thu, 20 Apr 2017 06:49:23 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7065E7F7D4 Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jolsa@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 7065E7F7D4 Date: Thu, 20 Apr 2017 12:49:19 +0200 From: Jiri Olsa To: Taeung Song Cc: Arnaldo Carvalho de Melo , David Ahern , Namhyung Kim , Peter Zijlstra , Jin Yao , lkml , Ingo Molnar Subject: Re: [PATCH perf/urgent] perf tools: Fix the code to strip command name Message-ID: <20170420104919.GB1681@krava> References: <20170420092430.29657-1-jolsa@kernel.org> <20170420103543.GA1681@krava> <28b91633-b468-fc8b-b918-0cd5d06864e7@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <28b91633-b468-fc8b-b918-0cd5d06864e7@gmail.com> User-Agent: Mutt/1.8.0 (2017-02-23) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 20 Apr 2017 10:49:22 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1069 Lines: 38 On Thu, Apr 20, 2017 at 07:42:31PM +0900, Taeung Song wrote: > > > On 04/20/2017 07:35 PM, Jiri Olsa wrote: > > On Thu, Apr 20, 2017 at 07:17:34PM +0900, Taeung Song wrote: > > > Hi Jiri, > > > > > > On 04/20/2017 06:24 PM, Jiri Olsa wrote: > > > > Recent commit broke command name strip in perf_event__get_comm_ids > > > > function. It replaced left to right search for '\n' with rtrim, > > > > which actually does right to left search. It occasionally caught > > > > earlier '\n' and kept trash in the command name. > > > > > > Sorry for my commit that have failings. > > > > > > Could I know the command name in the above case ? > > > The command name can have two '\n' ? > > > > it's the next line in the status file.. parts of the Umask string > > and 1 newline > > > > Name: systemd > > Umask: 0000 > > State: S (sleeping) > > ... > > > > I've already posted it in here: > > http://marc.info/?l=linuxppc-embedded&m=149200723316270&w=2 > > > > jirka > > > > I understood it. > Sorry for my mistake.. no worries.. we do plenty of those ;-) jirka