Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967700Ab3E3HEF (ORCPT ); Thu, 30 May 2013 03:04:05 -0400 Received: from mga02.intel.com ([134.134.136.20]:55254 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967724Ab3E3HDV (ORCPT ); Thu, 30 May 2013 03:03:21 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,769,1363158000"; d="scan'208";a="345550511" From: Alex Shi To: mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, bp@alien8.de, pjt@google.com, namhyung@kernel.org, efault@gmx.de, morten.rasmussen@arm.com Cc: vincent.guittot@linaro.org, preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org, alex.shi@intel.com, mgorman@suse.de, riel@redhat.com, wangyun@linux.vnet.ibm.com, Jason Low , Changlong Xie Subject: [patch v7 7/8] sched: consider runnable load average in move_tasks Date: Thu, 30 May 2013 15:02:03 +0800 Message-Id: <1369897324-16646-8-git-send-email-alex.shi@intel.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1369897324-16646-1-git-send-email-alex.shi@intel.com> References: <1369897324-16646-1-git-send-email-alex.shi@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1600 Lines: 47 Except using runnable load average in background, move_tasks is also the key functions in load balance. We need consider the runnable load average in it in order to the apple to apple load comparison. Signed-off-by: Alex Shi --- kernel/sched/fair.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index eadd2e7..bb2470a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4178,11 +4178,11 @@ static int tg_load_down(struct task_group *tg, void *data) long cpu = (long)data; if (!tg->parent) { - load = cpu_rq(cpu)->load.weight; + load = cpu_rq(cpu)->avg.load_avg_contrib; } else { load = tg->parent->cfs_rq[cpu]->h_load; - load *= tg->se[cpu]->load.weight; - load /= tg->parent->cfs_rq[cpu]->load.weight + 1; + load *= tg->se[cpu]->avg.load_avg_contrib; + load /= tg->parent->cfs_rq[cpu]->runnable_load_avg + 1; } tg->cfs_rq[cpu]->h_load = load; @@ -4210,8 +4210,8 @@ static unsigned long task_h_load(struct task_struct *p) struct cfs_rq *cfs_rq = task_cfs_rq(p); unsigned long load; - load = p->se.load.weight; - load = div_u64(load * cfs_rq->h_load, cfs_rq->load.weight + 1); + load = p->se.avg.load_avg_contrib; + load = div_u64(load * cfs_rq->h_load, cfs_rq->runnable_load_avg + 1); return load; } -- 1.7.12 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/