Re: [PATCH 1/3 v2] sched/fair: skip idle cfs_rq

2021-01-11 Thread Mel Gorman
On Thu, Jan 07, 2021 at 11:33:23AM +0100, Vincent Guittot wrote: > Don't waste time checking whether an idle cfs_rq could be the busiest > queue. Furthermore, this can end up selecting a cfs_rq with a high load > but being idle in case of migrate_load. > > Signed-off-by: Vincent Guittot >

[PATCH 1/3 v2] sched/fair: skip idle cfs_rq

2021-01-07 Thread Vincent Guittot
Don't waste time checking whether an idle cfs_rq could be the busiest queue. Furthermore, this can end up selecting a cfs_rq with a high load but being idle in case of migrate_load. Signed-off-by: Vincent Guittot Reviewed-by: Valentin Schneider --- kernel/sched/fair.c | 5 - 1 file