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;