On 3 October 2014 16:36, Peter Zijlstra [off-list ref] wrote:

quoted

+      * 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?

yes. Do you mean that we should anticipate and rename
utilization_load_avg into utilization_runnable_avg to make space for a
utilization_blocked_avg that could be added in future ?

quoted

+     unsigned long runnable_load_avg, blocked_load_avg, utilization_load_avg;
      atomic64_t decay_counter;
      u64 last_decay;
      atomic_long_t removed_load;