Re: [RFC PATCH V3 6/6] sched/fair: Implement starvation monitor

[Joel Fernandes]

On Wed, Jun 14, 2023 at 10:15 AM Juri Lelli <juri.lelli@xxxxxxxxxx> wrote:
>
> Hey,
[..]
> > By postponing the enqueue/replanishment of the DL server here, we are fixing the
> > problem in a practical way, that works without breaking existing useful properties &
> > use-cases.
>
> In my understanding, if we simply postpone actual activation of the DL
> server up to the point it really needs to boost/run for giving CFS tasks
> some breath (the infamous 0-laxity :), we save RT tasks from useless
> interruptions and still can keep EDF/CBS working w/o much changes.
>
> It looks like a low hanging fruit, small improvement on what we have today
> than doesn't prevent us for implementing more complex features (i.e., full
> blown hierarchical scheduling, alternative schedulers) in the future if
> the need arises.

Agreed, thanks!

 - Joel