On Tue, Sep 23, 2014 at 06:08:02PM +0200, Vincent Guittot wrote:
> +++ b/kernel/sched/sched.h
> @@ -339,8 +339,14 @@ struct cfs_rq {
> * Under CFS, load is tracked on a per-entity basis and aggregated up.
> * This allows for the description of both thread and group usage (in
> * the FAIR_GROUP_SCHED case).
> + * runnable_load_avg is the sum of the load_avg_contrib of the
> + * sched_entities on the rq.
> + * blocked_load_avg is similar to runnable_load_avg except that its
> + * the blocked sched_entities on the rq.
Strictly speaking blocked entities aren't on a rq as such, but yeah, no
idea how to better put it. Just being a pedantic, which isn't helpful I
guess :-)
> + * utilization_load_avg is the sum of the average running time of the
> + * sched_entities on the rq.
> */
So I think there was some talk about a blocked_utilization thingy, which
would track the avg running time of the tasks currently asleep, right?
> + unsigned long runnable_load_avg, blocked_load_avg, utilization_load_avg;
> atomic64_t decay_counter;
> u64 last_decay;
> atomic_long_t removed_load;
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