From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751771AbdIKOFI (ORCPT ); Mon, 11 Sep 2017 10:05:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:41180 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877AbdIKOFH (ORCPT ); Mon, 11 Sep 2017 10:05:07 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C73821483 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=acme@kernel.org Date: Mon, 11 Sep 2017 11:05:01 -0300 From: Arnaldo Carvalho de Melo To: Andi Kleen Cc: Andi Kleen , jolsa@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 06/11] perf, tools, stat: Support JSON metrics in perf stat Message-ID: <20170911140501.GF10112@kernel.org> References: <20170904171128.GB22298@kernel.org> <20170904173725.GU2482@two.firstfloor.org> <20170905180919.GG22298@kernel.org> <20170905181952.GV28715@tassilo.jf.intel.com> <20170905185251.GL22298@kernel.org> <20170905195235.GW2482@two.firstfloor.org> <20170905200709.GM22298@kernel.org> <20170905203708.GX28715@tassilo.jf.intel.com> <20170908181014.GD10112@kernel.org> <20170908190848.GK18479@tassilo.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170908190848.GK18479@tassilo.jf.intel.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, Sep 08, 2017 at 12:08:48PM -0700, Andi Kleen escreveu: > > > PERF_CPUID=GenuineIntel-... > > > > > > See the mapfile.csv for valid codes > > > > > > But it's quite a few. > > > > yeah, I'm testing on the ones I have access and on a Skylake machine I'm having > > trouble, see below. > > [root@seventh ~]# perf stat -vv --metric-only -M Summary -a sleep 1 > > The problem is that your kernel is missing the msr// PMU. > > It should work with a newer kernel. Yes: [root@seventh ~]# uname -r 4.12.0-rc6+ [root@seventh ~]# perf stat --metric-only -M Summary -a sleep 1 Performance counter stats for 'system wide': Instructions CPI CLKS CPU_Utilization GFLOPs SMT_2T_Utilization Kernel_Utilization 34021097.0 0.0 119424171.0 0.0 0.0 0.0 0.0 1.001001793 seconds time elapsed [root@seventh ~]# > I can look at better error messages. Please do, Thanks! - Arnaldo