Re: [PATCH v2 1/6] sched/fair.c: remove "power" from struct numa_stats

From: Mike Galbraith
Date: Mon May 26 2014 - 23:07:22 EST


On Mon, 2014-05-26 at 18:19 -0400, Nicolas Pitre wrote:
>
> @@ -1046,7 +1046,7 @@ static void update_numa_stats(struct numa_stats *ns, int nid)
>
> ns->nr_running += rq->nr_running;
> ns->load += weighted_cpuload(cpu);
> - ns->power += power_of(cpu);
> + ns->compute_capacity += power_of(cpu);

power_of(cpu) as a capacity input looks odd now..

> @@ -1062,9 +1062,10 @@ static void update_numa_stats(struct numa_stats *ns, int nid)
> if (!cpus)
> return;
>
> - ns->load = (ns->load * SCHED_POWER_SCALE) / ns->power;
> - ns->capacity = DIV_ROUND_CLOSEST(ns->power, SCHED_POWER_SCALE);
> - ns->has_capacity = (ns->nr_running < ns->capacity);
> + ns->load = (ns->load * SCHED_POWER_SCALE) / ns->compute_capacity;
> + ns->task_capacity =
> + DIV_ROUND_CLOSEST(ns->compute_capacity, SCHED_POWER_SCALE);

..as do SCHED_POWER_SCALE, update_cpu_power() etc.

-Mike

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