From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1425971AbcBRRj0 (ORCPT ); Thu, 18 Feb 2016 12:39:26 -0500 Received: from one.firstfloor.org ([193.170.194.197]:45466 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1424609AbcBRRjX (ORCPT ); Thu, 18 Feb 2016 12:39:23 -0500 Date: Thu, 18 Feb 2016 18:39:21 +0100 From: Andi Kleen To: Arnaldo Carvalho de Melo Cc: Andi Kleen , jolsa@kernel.org, linux-kernel@vger.kernel.org, eranian@google.com, Andi Kleen Subject: Re: [PATCH 2/6] perf, tools, stat: Implement CSV metrics output Message-ID: <20160218173921.GE5083@two.firstfloor.org> References: <1455749045-18098-1-git-send-email-andi@firstfloor.org> <1455749045-18098-3-git-send-email-andi@firstfloor.org> <20160218170035.GF9909@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160218170035.GF9909@kernel.org> 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 > Where before it wasn't there: > > cat /tmp/before > 0.282628,,task-clock,282628,100.00 > 1,,context-switches,282628,100.00 > 0,,cpu-migrations,282628,100.00 > 52,,page-faults,282628,100.00 > 861213,,cycles,285354,100.00 > ,,stalled-cycles-frontend,0,100.00 > ,,stalled-cycles-backend,0,100.00 > 686082,,instructions,285354,100.00 > 137846,,branches,285354,100.00 > 7142,,branch-misses,285354,100.00 This is intentional. See the standard perf output: 521,232 instructions # 0.63 insns per cycle # 1.13 stalled cycles per insn So this line has multiple metrics. In CSV this is expressed as a mostly empty line. -Andi