From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF963C76188 for ; Tue, 23 Jul 2019 06:10:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD2022166E for ; Tue, 23 Jul 2019 06:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388055AbfGWGKO (ORCPT ); Tue, 23 Jul 2019 02:10:14 -0400 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:39508 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388040AbfGWGKO (ORCPT ); Tue, 23 Jul 2019 02:10:14 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R971e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0TXbg848_1563862209; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0TXbg848_1563862209) by smtp.aliyun-inc.com(127.0.0.1); Tue, 23 Jul 2019 14:10:09 +0800 Subject: Re: [PATCH v3 1/2] cputime: remove duplicate code in account_process_tick Cc: Ingo Molnar , Peter Zijlstra , Frederic Weisbecker , Wanpeng Li , Thomas Gleixner , linux-kernel@vger.kernel.org References: <20190722073840.32613-1-alex.shi@linux.alibaba.com> From: Alex Shi Message-ID: Date: Tue, 23 Jul 2019 14:10:09 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190722073840.32613-1-alex.shi@linux.alibaba.com> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Forget this patchset. I sent out a new 3 patches. Thanks Alex ÔÚ 2019/7/22 ÏÂÎç3:38, Alex Shi дµÀ: > The irqtime_account_process_tick path was introduced for precise ns irq > time account from commit abb74cefa9c6 ("sched: Export ns irqtimes > through /proc/stat") while account_process_tick still use jiffes. This > divide isn't necessary especially now both paths are ns precison. > > Move out the irqtime_account_process_tick func from IRQ_TIME_ACCOUNTING. > So it do generally same things as account_process_tick whenever if > IRQ_TIME_ACCOUNTING set or if sched_clock_irqtime enabled.