From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753759Ab3KZM7k (ORCPT ); Tue, 26 Nov 2013 07:59:40 -0500 Received: from mail-pd0-f180.google.com ([209.85.192.180]:45923 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752964Ab3KZM7h (ORCPT ); Tue, 26 Nov 2013 07:59:37 -0500 Message-ID: <52949B2D.3090208@linaro.org> Date: Tue, 26 Nov 2013 20:59:25 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: mingo@redhat.com, peterz@infradead.org, morten.rasmussen@arm.com, vincent.guittot@linaro.org, daniel.lezcano@linaro.org, fweisbec@gmail.com, linux@arm.linux.org.uk, tony.luck@intel.com, fenghua.yu@intel.com, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com, fengguang.wu@intel.com CC: james.hogan@imgtec.com, alex.shi@linaro.org, jason.low2@hp.com, gregkh@linuxfoundation.org, hanjun.guo@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz_full cpu References: <1385102235-25664-1-git-send-email-alex.shi@linaro.org> <1385102235-25664-5-git-send-email-alex.shi@linaro.org> In-Reply-To: <1385102235-25664-5-git-send-email-alex.shi@linaro.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/22/2013 02:37 PM, Alex Shi wrote: > When a nohz_full cpu in tickless mode, it may update cpu_load in > following chain: > __tick_nohz_full_check > tick_nohz_restart_sched_tick > update_cpu_load_nohz > then it will be set a incorrect cpu_load: 0. > This patch try to fix it and give it the correct cpu_load value. Frederic, Would you like to give some comments on this patch? -- Thanks Alex