From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751981AbbIBGHY (ORCPT ); Wed, 2 Sep 2015 02:07:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53614 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750955AbbIBGHX (ORCPT ); Wed, 2 Sep 2015 02:07:23 -0400 Date: Wed, 2 Sep 2015 08:07:20 +0200 From: Jiri Olsa To: Andi Kleen Cc: acme@kernel.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, Andi Kleen Subject: Re: [PATCH] perf, tools, stat: Quieten failed to read counter message Message-ID: <20150902060720.GE1978@krava.brq.redhat.com> References: <1441147966-14917-1-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1441147966-14917-1-git-send-email-andi@firstfloor.org> 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 On Tue, Sep 01, 2015 at 03:52:46PM -0700, Andi Kleen wrote: > From: Andi Kleen > > Since 3b3eb0445 running perf stat on a system without > backend-stalled-cycles spits out ugly warnings by default. Since that is quite > common, make the message a debug message only. We know > anyways that the counter wasn't read by the normal > output. Acked-by: Jiri Olsa thanks, jirka > > Signed-off-by: Andi Kleen > --- > tools/perf/builtin-stat.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c > index d46dbb1..a96fb5c 100644 > --- a/tools/perf/builtin-stat.c > +++ b/tools/perf/builtin-stat.c > @@ -215,7 +215,7 @@ static void read_counters(bool close_counters) > > evlist__for_each(evsel_list, counter) { > if (read_counter(counter)) > - pr_warning("failed to read counter %s\n", counter->name); > + pr_debug("failed to read counter %s\n", counter->name); > > if (perf_stat_process_counter(&stat_config, counter)) > pr_warning("failed to process counter %s\n", counter->name); > -- > 2.4.3 >