From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933088AbcK2IXb (ORCPT ); Tue, 29 Nov 2016 03:23:31 -0500 Received: from mail-yw0-f174.google.com ([209.85.161.174]:36153 "EHLO mail-yw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755914AbcK2IXY (ORCPT ); Tue, 29 Nov 2016 03:23:24 -0500 MIME-Version: 1.0 In-Reply-To: <20161129072359.GC29412@gmail.com> References: <1480372524-15181-1-git-send-email-john.stultz@linaro.org> <1480372524-15181-5-git-send-email-john.stultz@linaro.org> <20161129072359.GC29412@gmail.com> From: Baolin Wang Date: Tue, 29 Nov 2016 16:23:23 +0800 Message-ID: Subject: Re: [PATCH 4/7] time: alarmtimer: Add the tracepoints for alarmtimer To: Ingo Molnar Cc: John Stultz , lkml , Thomas Gleixner , Richard Cochran , Prarit Bhargava , Steven Rostedt Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29 November 2016 at 15:23, Ingo Molnar wrote: > > * John Stultz wrote: > >> From: Baolin Wang >> >> For system debugging, we sometimes want to know who sets one >> alarm timer, the time of the timer, when the timer started and >> fired and so on. Thus adding tracepoints can help us trace the >> alarmtimer information. > > s/one alarm timer/an alarm timer > >> For example, when we debug the system supend/resume, if the >> system is always resumed by RTC alarm, we can find out which >> process set the alarm timer to resume system by below trace log: > > s/when we debug the system/when we debug system > s/supend/suspend > s/resume system/resume the system > s/by below trace log/by the trace log below > >> From the trace log, we can find out the 'Binder:3292_2' process >> set one alarm timer which resumes the system. > > s/set one alarm timer/set an alarm timer > >> Changes since v4: >> - Initialize 'type' to -1 and rename it in alarmtimer_suspend(). >> - Fix typo in subject line. >> >> Changes since v3: >> - Remove the "ALARM_" prefix in the string. >> - Add the ACK by Steven Rostedt. >> >> Changes since v2: >> - Save time as s64 type. >> - Remove 'process_name' parameter and add 'now' parameter. >> - Rename the trace event name. >> - Remove restart trace event. >> - Other optimization. > > I find it really sad that a patch that has gone through 4 iterations still has so > many typos and grammar errors in its changelog :-( Really sorry for these elementary errors, I will fix these errors in new patch. Sorry for troubles again. -- Baolin.wang Best Regards