Re: [GIT PULL] scheduler changes for v5.5

Ingo Molnar
2019-11-25T15:08:18Z

* Valentin Schneider <valentin.schneider@arm.com> wrote:

> On 25/11/2019 12:59, Ingo Molnar wrote:
>
> So I really don't want to be labeled as "that annoying scheduler PR guy",
> but some patches in Vincent's rework should be squashed to avoid being
> performance bisection honeypots.

I really didn't want to do an intrusive rebasing of the Git tree though,
especially as we didn't know whether the improvements a) improved things
b) were stable:

> > Vincent Guittot (14):
> > sched/fair: Remove meaningless imbalance calculation
> > sched/fair: Rework load_balance()
>
> These two ^ (were split for ease of reviewing, [1])
>
> > sched/fair: Rework find_idlest_group()
> > sched/fair: Fix rework of find_idlest_group()
>
> And these two ^ (Mel voiced similar concerns at [2])

We can give testers a linearized tree for testing, should this come up
(which I doubt it will ...), ok?

Thanks,

Ingo