From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757178Ab3KLVga (ORCPT ); Tue, 12 Nov 2013 16:36:30 -0500 Received: from mail-pa0-f51.google.com ([209.85.220.51]:35630 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755541Ab3KLVgX (ORCPT ); Tue, 12 Nov 2013 16:36:23 -0500 Message-ID: <52829F4F.6070800@gmail.com> Date: Tue, 12 Nov 2013 14:36:15 -0700 From: David Ahern User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Ingo Molnar , Pekka Enberg CC: linux-kernel@vger.kernel.org, Ingo Molnar , Arnaldo Carvalho de Melo Subject: Re: [PATCH] perf trace: Simplify '--summary' output References: <1384267334-18953-1-git-send-email-penberg@kernel.org> <20131112213334.GF25913@gmail.com> In-Reply-To: <20131112213334.GF25913@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/12/13, 2:33 PM, Ingo Molnar wrote: >> > Summary of events: >> > >> > dbus-daemon (555), 10 events, 0.0%, 0.000 msec >> > >> > msec/call >> > syscall calls min avg max stddev >> > --------------- -------- -------- -------- -------- ------ >> > sendmsg 2 0.002 0.005 0.008 55.00 >> > recvmsg 2 0.002 0.003 0.005 44.00 >> > epoll_wait 1 0.000 0.000 0.000 0.00 > In what units is stddev? Percentage? If yes then it might be useful to > output it as %. [and probably to restrict precision to a single digit, > standard deviations are rarely more accurate than 0.1%.] > %. That was dropped in the recent output change. David