[PATCH v6 3/6] sched: add utilization_avg_contrib
From: peterz@infradead.org (Peter Zijlstra)
Date: 2014-10-03 14:36:43
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On Tue, Sep 23, 2014 at 06:08:02PM +0200, Vincent Guittot wrote:
quoted hunk ↗ jump to hunk
+++ 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;