Re: [RFC PATCH 6/6 v8] sched/fair: Add EAS and idle cpu push trigger

[Qais Yousef]

On 02/09/26 14:20, Vincent Guittot wrote:

> >
> > > +     util = max(task_util_est(p), task_runnable(p));
> >
> > We must take the min(util, SCHED_CAPACITY_SCALE) here since runnable can get
> > too large making the condition above true even if you are on the biggest
> > capacity cpu.
> 
> hmm task_runnable should not go above SCHED_CAPACITY_SCALE. do you
> have seen cases where task's runnable_avg goes above
> SCHED_CAPACITY_SCALE ?
> 
> In fact neither task_util_est nor task_runnable should go above
> SCHED_CAPACITY_SCALE

Yes you're right. My memory is hazy now, but I recall I've seen runnable_avg
jump above 1024, but that might have been load_avg.