From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757226Ab3A1B1s (ORCPT ); Sun, 27 Jan 2013 20:27:48 -0500 Received: from mga14.intel.com ([143.182.124.37]:54316 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755670Ab3A1B1r (ORCPT ); Sun, 27 Jan 2013 20:27:47 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,548,1355126400"; d="scan'208";a="195679911" Message-ID: <5105D442.9090401@intel.com> Date: Mon, 28 Jan 2013 09:28:34 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Alex Shi CC: torvalds@linux-foundation.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, bp@alien8.de, pjt@google.com, namhyung@kernel.org, efault@gmx.de, vincent.guittot@linaro.org, gregkh@linuxfoundation.org, preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [patch v4 0/18] sched: simplified fork, release load avg and power awareness scheduling References: <1358996820-23036-1-git-send-email-alex.shi@intel.com> In-Reply-To: <1358996820-23036-1-git-send-email-alex.shi@intel.com> 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 01/24/2013 11:06 AM, Alex Shi wrote: > Since the runnable info needs 345ms to accumulate, balancing > doesn't do well for many tasks burst waking. After talking with Mike > Galbraith, we are agree to just use runnable avg in power friendly > scheduling and keep current instant load in performance scheduling for > low latency. > > So the biggest change in this version is removing runnable load avg in > balance and just using runnable data in power balance. > > The patchset bases on Linus' tree, includes 3 parts, Would you like to give some comments, Ingo? :) Best regards!