From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754157AbcETOSv (ORCPT ); Fri, 20 May 2016 10:18:51 -0400 Received: from one.firstfloor.org ([193.170.194.197]:45603 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751517AbcETOSu (ORCPT ); Fri, 20 May 2016 10:18:50 -0400 Date: Fri, 20 May 2016 07:18:48 -0700 From: Andi Kleen To: Jiri Olsa Cc: Andi Kleen , acme@kernel.org, peterz@infradead.org, jolsa@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org Subject: Re: Add top down metrics to perf stat Message-ID: <20160520141848.GS13997@two.firstfloor.org> References: <1463190297-17408-1-git-send-email-andi@firstfloor.org> <20160516125838.GD10877@krava> <20160519235130.GO13997@two.firstfloor.org> <20160520095954.GA28818@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160520095954.GA28818@krava> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > [jolsa@ibm-x3650m4-01 perf]$ sudo ./perf stat --topdown -I 1000 -a > nmi_watchdog enabled with topdown. May give wrong results. > Disable with echo 0 > /proc/sys/kernel/nmi_watchdog > 1.002097350 retiring bad speculation frontend bound backend bound > 1.002097350 S0-C0 2 38.1% 0.0% 59.2% 2.7% > 1.002097350 S0-C1 2 38.1% 0.1% 59.7% 2.1% Ah I see now. this is --metric-only not displaying. --topdown enables --metric-only implicitely. I'll send a separate patch for that because metric only was already merged separately. So it's not really a problem in this patchkit, but in a previous one. -Andi -- ak@linux.intel.com -- Speaking for myself only.