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.
