Re: CFS flat runqueue proposal fixes/update

[Dietmar Eggemann]

On 20.08.20 22:39, Rik van Riel wrote:
> On Thu, 2020-08-20 at 16:56 +0200, Dietmar Eggemann wrote:

[...]

> The issue happens with a flat runqueue, when t1 goes
> to sleep, but t2 and t3 continue running.
> 
> We need to make sure the vruntime for t2 has not been
> advanced so far into the future that cgroup A is unable
> to get its fair share of CPU wihle t1 is sleeping.

Ah, these problems are related to the 'CFS flat runqueue' patch-set!
Misunderstanding om my side.

I somehow assumed that you wanted to say that these problems exist in
current mainline and could be solved with the patch-set plus some extra
functionality on top.