Re: sched_ext: Partial mode priority and fallthrough to EEVDF
From: Matt Fleming
Date: Wed Mar 11 2026 - 07:24:27 EST
On Tue, Mar 10, 2026 at 07:46:00PM +0100, Andrea Righi wrote:
>
> I think you can model your scenario using the ext deadline server. For
> instance, if you run:
>
> # echo 500000000 | tee /sys/kernel/debug/sched/ext_server/cpu*/runtime
>
> This would give sched_ext tasks a guaranteed 50% bandwidth on all CPUs,
> (default is 5%), even if there are tasks running at higher sched classes.
>
> Would this approach work for your needs?
It looks like it would, yes. Thanks! I'll start experimenting and report back.
Are there any plans to backport this to 6.18 LTS?