On 14 April 2018 at 12:05, Peter Zijlstra wrote:
> On Fri, Mar 16, 2018 at 12:25:39PM +0100, Vincent Guittot wrote:
>> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
>> index 783eacf..a8003a9 100644
>> --- a/kernel/sched/sched.h
>> +++ b/kernel/sched/sched.h
>> @@ -592,6 +592,8 @@ struct
On Fri, Mar 16, 2018 at 12:25:39PM +0100, Vincent Guittot wrote:
> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> index 783eacf..a8003a9 100644
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
> @@ -592,6 +592,8 @@ struct rt_rq {
> unsigned long rt_nr_total;
>
schedutil governor relies on cfs_rq's util_avg to choose the OPP when cfs
tasks are running. When the CPU is overloaded by cfs and rt tasks, cfs
tasks are preempted by rt tasks and in this case util_avg reflects the
remaining capacity that is used by cfs task but not what cfs want to use.
In such c
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