On 11-May 11:14, Viresh Kumar wrote:
> On 10-05-18, 16:05, Patrick Bellasi wrote:
> > When a task is enqueue the estimated utilization of a CPU is updated
> > to better support the selection of the required frequency.
> > However, schedutil is (implicitly) updated by update_load_avg() which
> > alw
On 10-05-18, 16:05, Patrick Bellasi wrote:
> When a task is enqueue the estimated utilization of a CPU is updated
> to better support the selection of the required frequency.
> However, schedutil is (implicitly) updated by update_load_avg() which
> always happens before util_est_{en,de}queue(), thu
On Thu, May 10, 2018 at 04:05:52PM +0100, Patrick Bellasi wrote:
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 1f6a23a5b451..01dfc47541e6 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -5356,6 +5356,9 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p,
When a task is enqueue the estimated utilization of a CPU is updated
to better support the selection of the required frequency.
However, schedutil is (implicitly) updated by update_load_avg() which
always happens before util_est_{en,de}queue(), thus potentially
introducing a latency between estimat
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