sched/fair: Don't init util/runnable_avg for !fair task

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post_init_entity_util_avg() init task util_avg according to the cpu util_avg
at the time of fork, which will decay when switched_to_fair() some time later,
we'd better to not set them at all in the case of !fair task.

Suggested-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20220818124805.601-10-zhouchengming@bytedance.com

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Chengming Zhou 2022-08-18 20:48:05 +08:00 • committed by Peter Zijlstra

parent d6531ab6e5

commit e4fe074d6c

1 changed files with 14 additions and 14 deletions

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kernel/sched/fair.c

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