From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754719Ab3AXDkH (ORCPT ); Wed, 23 Jan 2013 22:40:07 -0500 Received: from mga03.intel.com ([143.182.124.21]:14248 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754536Ab3AXD37 (ORCPT ); Wed, 23 Jan 2013 22:29:59 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,525,1355126400"; d="scan'208";a="247742515" From: Alex Shi To: 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 Cc: vincent.guittot@linaro.org, gregkh@linuxfoundation.org, preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org, alex.shi@intel.com Subject: [ RFC patch 0/4]: use runnable load avg in cfs balance instead of instant load Date: Thu, 24 Jan 2013 11:30:39 +0800 Message-Id: <1358998243-23176-1-git-send-email-alex.shi@intel.com> X-Mailer: git-send-email 1.7.12 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset can be used, but causes burst waking benchmark aim9 drop 5~7% on my 2 sockets machine. The reason is too light runnable load in early stage of waked tasks cause imbalance in balancing. So, it is immature and just a reference for guys who want to go gurther. Thanks! Alex [PATCH 1/4] sched: update cpu load after task_tick. [PATCH 2/4] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task [PATCH 3/4] sched: consider runnable load average in move_tasks [PATCH 4/4] sched: consider runnable load average in effective_load