Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752731Ab3EFBqa (ORCPT ); Sun, 5 May 2013 21:46:30 -0400 Received: from mga02.intel.com ([134.134.136.20]:64038 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752528Ab3EFBq1 (ORCPT ); Sun, 5 May 2013 21:46:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,618,1363158000"; d="scan'208";a="308658645" 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 Subject: [PATCH v5 5/7] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task Date: Mon, 6 May 2013 09:45:09 +0800 Message-Id: <1367804711-30308-6-git-send-email-alex.shi@intel.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1367804711-30308-1-git-send-email-alex.shi@intel.com> References: <1367804711-30308-1-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: 2158 Lines: 62 They are the base values in load balance, update them with rq runnable load average, then the load balance will consider runnable load avg naturally. Signed-off-by: Alex Shi --- kernel/sched/core.c | 4 ++-- kernel/sched/fair.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 33bcebf..2f51636 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2536,7 +2536,7 @@ static void __update_cpu_load(struct rq *this_rq, unsigned long this_load, void update_idle_cpu_load(struct rq *this_rq) { unsigned long curr_jiffies = ACCESS_ONCE(jiffies); - unsigned long load = this_rq->load.weight; + unsigned long load = (unsigned long)this_rq->cfs.runnable_load_avg; unsigned long pending_updates; /* @@ -2586,7 +2586,7 @@ static void update_cpu_load_active(struct rq *this_rq) * See the mess around update_idle_cpu_load() / update_cpu_load_nohz(). */ this_rq->last_load_update_tick = jiffies; - __update_cpu_load(this_rq, this_rq->load.weight, 1); + __update_cpu_load(this_rq, this_rq->cfs.runnable_load_avg, 1); calc_load_account_active(this_rq); } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 2881d42..0bf88e8 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2900,7 +2900,7 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags) /* Used instead of source_load when we know the type == 0 */ static unsigned long weighted_cpuload(const int cpu) { - return cpu_rq(cpu)->load.weight; + return (unsigned long)cpu_rq(cpu)->cfs.runnable_load_avg; } /* @@ -2947,7 +2947,7 @@ static unsigned long cpu_avg_load_per_task(int cpu) unsigned long nr_running = ACCESS_ONCE(rq->nr_running); if (nr_running) - return rq->load.weight / nr_running; + return (unsigned long)rq->cfs.runnable_load_avg / nr_running; return 0; } -- 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/