Messages in this thread | | | Date | Wed, 9 Jul 2014 09:50:43 +0200 | Subject | Re: [PATCH v3 06/12] sched: add per rq cpu_power_orig | From | Amit Kucheria <> |
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On Mon, Jun 30, 2014 at 6:05 PM, Vincent Guittot <vincent.guittot@linaro.org> 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 <vincent.guittot@linaro.org> > --- > 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
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