On 19/05/2020 17:41, Vincent Guittot wrote:
> On Tue, 19 May 2020 at 12:28, Dietmar Eggemann
> wrote:
>>
>> On 06/05/2020 17:53, Vincent Guittot wrote:
[...]
>>> diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
>>> index b647d04d9c8b..1feff80e7e45 100644
>>> --- a/kernel/sched/pelt.c
>>>
On Tue, 19 May 2020 at 12:28, Dietmar Eggemann wrote:
>
> On 06/05/2020 17:53, Vincent Guittot wrote:
>
> [...]
>
> > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> > index 02f323b85b6d..df3923a65162 100644
> > --- a/kernel/sched/fair.c
> > +++ b/kernel/sched/fair.c
> > @@ -3441,52
On 06/05/2020 17:53, Vincent Guittot wrote:
[...]
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 02f323b85b6d..df3923a65162 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -3441,52 +3441,46 @@ static inline void
> update_tg_cfs_util(struct cfs_rq *cfs_rq,
update_tg_cfs_*() propagate the impact of the attach/detach of an entity
down into the cfs_rq hierarchy and must keep the sync with the current pelt
window.
Even if we can't sync child cfs_rq and its group se, we can sync the group
se and its parent cfs_rq with current position in the PELT
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