Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755210Ab3HRI0c (ORCPT ); Sun, 18 Aug 2013 04:26:32 -0400 Received: from na3sys009aog131.obsmtp.com ([74.125.149.247]:41632 "EHLO na3sys009aog131.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754372Ab3HRI0Z (ORCPT ); Sun, 18 Aug 2013 04:26:25 -0400 From: Lei Wen To: Paul Turner , Peter Zijlstra , Ingo Molnar , , , Subject: [PATCH 3/8] sched: change update_rq_runnable_avg using h_nr_running Date: Sun, 18 Aug 2013 16:25:17 +0800 Message-ID: <1376814322-7320-4-git-send-email-leiwen@marvell.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1376814322-7320-1-git-send-email-leiwen@marvell.com> References: <1376814322-7320-1-git-send-email-leiwen@marvell.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1461 Lines: 44 Since update_rq_runnable_avg is used only by cfs scheduler, it should not consider the task beyond the cfs type. If one cfs task is running with one rt task, the only cfs task should be no aware of the existence of rt task, and behavior like one cfs task occasionly throttled by some bandwidth control mechanism. Thus its sleep time should not being taken into runnable avg load calculation. Signed-off-by: Lei Wen --- kernel/sched/fair.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e6b99b4..9869d4d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2893,7 +2893,7 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags) } if (!se) { - update_rq_runnable_avg(rq, rq->nr_running); + update_rq_runnable_avg(rq, rq->cfs.h_nr_running); inc_nr_running(rq); } hrtick_update(rq); @@ -4142,7 +4142,7 @@ static void __update_blocked_averages_cpu(struct task_group *tg, int cpu) list_del_leaf_cfs_rq(cfs_rq); } else { struct rq *rq = rq_of(cfs_rq); - update_rq_runnable_avg(rq, rq->nr_running); + update_rq_runnable_avg(rq, rq->cfs.h_nr_running); } } -- 1.7.5.4 -- 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/