Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754067Ab3GAMhF (ORCPT ); Mon, 1 Jul 2013 08:37:05 -0400 Received: from na3sys009aog131.obsmtp.com ([74.125.149.247]:50041 "EHLO na3sys009aog131.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752695Ab3GAMhD (ORCPT ); Mon, 1 Jul 2013 08:37:03 -0400 From: Lei Wen To: Paul Turner , Alex Shi , Peter Zijlstra , Ingo Molnar , , Kamalesh Babulal , Lei Wen , Subject: [V2 2/2] sched: update cfs_rq weight earlier in enqueue_entity Date: Mon, 1 Jul 2013 20:33:22 +0800 Message-ID: <1372682002-15373-3-git-send-email-leiwen@marvell.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1372682002-15373-1-git-send-email-leiwen@marvell.com> References: <1372662634-12833-1-git-send-email-leiwen@marvell.com> <1372682002-15373-1-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: 1197 Lines: 34 Since we are going to calculate cfs_rq's average ratio by runnable_load_avg/load.weight, if not increase the load.weight prior to enqueue_entity_load_avg, it may lead to one cfs_rq's avg ratio higher than 100%. Adjust the sequence, so that all ratio is kept below 100%. Signed-off-by: Lei Wen --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 07bd74c..d1eee84 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1788,8 +1788,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) * Update run-time statistics of the 'current'. */ update_curr(cfs_rq); - enqueue_entity_load_avg(cfs_rq, se, flags & ENQUEUE_WAKEUP); account_entity_enqueue(cfs_rq, se); + enqueue_entity_load_avg(cfs_rq, se, flags & ENQUEUE_WAKEUP); update_cfs_shares(cfs_rq); if (flags & ENQUEUE_WAKEUP) { -- 1.7.10.4 -- 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/