* Vincent Guittot <vincent.guit...@linaro.org> [2019-07-19 09:58:22]:
> sum_nr_running will track rq->nr_running task and sum_h_nr_running
> will track cfs->h_nr_running so we can use both to detect when other
> scheduling class are running and preempt CFS.
>
> There is no functional changes.
>
> Signed-off-by: Vincent Guittot <vincent.guit...@linaro.org>
> ---
>
> ld_moved = 0;
> - if (busiest->nr_running > 1) {
> + if (busiest->cfs.h_nr_running > 1) {
We should be looking for nr_running here.
There could be only one cfs task but that may not be the current running
task, so it could be a good one to be picked for load balancing.
No?
> /*
> * Attempt to move tasks. If find_busiest_group has found
> * an imbalance but busiest->nr_running <= 1, the group is
> --
> 2.7.4
>
--
Thanks and Regards
Srikar Dronamraju
