Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754848AbaGIHuq (ORCPT ); Wed, 9 Jul 2014 03:50:46 -0400 Received: from mail-vc0-f181.google.com ([209.85.220.181]:57690 "EHLO mail-vc0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313AbaGIHuo (ORCPT ); Wed, 9 Jul 2014 03:50:44 -0400 MIME-Version: 1.0 In-Reply-To: <1404144343-18720-7-git-send-email-vincent.guittot@linaro.org> References: <1404144343-18720-1-git-send-email-vincent.guittot@linaro.org> <1404144343-18720-7-git-send-email-vincent.guittot@linaro.org> Date: Wed, 9 Jul 2014 09:50:43 +0200 Message-ID: Subject: Re: [PATCH v3 06/12] sched: add per rq cpu_power_orig From: Amit Kucheria To: Vincent Guittot Cc: Peter Zijlstra , Ingo Molnar , Linux Kernel Mailing List , Russell King - ARM Linux , Lists LAKML , Mike Galbraith , Dietmar Eggemann , Lists linaro-kernel , Preeti U Murthy Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 30, 2014 at 6:05 PM, Vincent Guittot wrote: > This new field cpu_power_orig reflects the available capacity of a CPUs unlike > the cpu_power which reflects the current capacity that can be altered by > frequency and rt tasks. > s/cpu_power/cpu_capacity > Signed-off-by: Vincent Guittot > --- > kernel/sched/core.c | 2 +- > kernel/sched/fair.c | 1 + > kernel/sched/sched.h | 1 + > 3 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > index 54f5722..92dd6d1 100644 > --- a/kernel/sched/core.c > +++ b/kernel/sched/core.c > @@ -6964,7 +6964,7 @@ void __init sched_init(void) > #ifdef CONFIG_SMP > rq->sd = NULL; > rq->rd = NULL; > - rq->cpu_capacity = SCHED_CAPACITY_SCALE; > + rq->cpu_capacity = rq->cpu_capacity_orig = SCHED_CAPACITY_SCALE; > rq->post_schedule = 0; > rq->active_balance = 0; > rq->next_balance = jiffies; > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index f0bba5f..7dff578 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -5671,6 +5671,7 @@ static void update_cpu_capacity(struct sched_domain *sd, int cpu) > > capacity >>= SCHED_CAPACITY_SHIFT; > > + cpu_rq(cpu)->cpu_capacity_orig = capacity; > sdg->sgc->capacity_orig = capacity; > > if (sched_feat(ARCH_CAPACITY)) > diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h > index 2f86361..7b311de 100644 > --- a/kernel/sched/sched.h > +++ b/kernel/sched/sched.h > @@ -568,6 +568,7 @@ struct rq { > struct sched_domain *sd; > > unsigned long cpu_capacity; > + unsigned long cpu_capacity_orig; > > unsigned char idle_balance; > /* For active balancing */ > -- > 1.9.1 > > > _______________________________________________ > linaro-kernel mailing list > linaro-kernel@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-kernel -- 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/