Re: [PATCH] nohz_full: Make sched_should_stop_tick() more conservative

From: Peter Zijlstra
Date: Mon Apr 04 2016 - 15:23:53 EST




On 4 April 2016 21:12:23 CEST, Rik van Riel <riel@xxxxxxxxxx> wrote:

>What is the difference between cfs_rq->h_nr_running,
>and rq->cfs.nr_running?
>
>Why do we have two?


H is for hierarchy. That counts the total of runnable tasks in the entire child hierarchy. Nr_running is the number of se entities in the current tree.
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