From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753217AbcLFLQX (ORCPT ); Tue, 6 Dec 2016 06:16:23 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54592 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752207AbcLFLQU (ORCPT ); Tue, 6 Dec 2016 06:16:20 -0500 Date: Tue, 6 Dec 2016 12:16:15 +0100 From: Jiri Olsa To: kan.liang@intel.com Cc: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, linux-kernel@vger.kernel.org, alexander.shishkin@linux.intel.com, tglx@linutronix.de, namhyung@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com, wangnan0@huawei.com, mark.rutland@arm.com, andi@firstfloor.org Subject: Re: [PATCH V2 08/13] perf tools: show kernel overhead Message-ID: <20161206111615.GB7730@krava> References: <1480713561-6617-1-git-send-email-kan.liang@intel.com> <1480713561-6617-9-git-send-email-kan.liang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1480713561-6617-9-git-send-email-kan.liang@intel.com> User-Agent: Mutt/1.7.1 (2016-10-04) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Tue, 06 Dec 2016 11:16:19 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 02, 2016 at 04:19:16PM -0500, kan.liang@intel.com wrote: > From: Kan Liang > > The kernel overhead include sample overhead, multiplexing overhead and > side-band events overhead. All the information is printed in the head of > output file if the show profiling cost option is applied. > The result is sorted by CPU. If there is no available CPU information in > sample, using -1 instead. > > Output when CPU is available > # To display the perf.data header info, please use > --header/--header-only options. > # > # ======== > # CPU SAM SAM cost(ns) MUX MUX cost(ns) SB > SB cost(ns) > # 0 2261446 1991216491 122174 1128716680 0 - please make this output properly alligned - it'd be nice to see some 1000 delimitiers - do we need to display the rest of the perf output, it seems too much to me already thanks, jirka