Re: [RFC PATCH 2/2] sched/eevdf: Introduce a cgroup interface for slice

[Tejun Heo]

Hello,

On Tue, Oct 29, 2024 at 02:49:51PM +0800, Tianchen Ding wrote:
...
> At the same time, the user may want to decide his processes inside the
> container. He may want to set customized value (sched_attr::sched_runtime)
> for each process, and administrator should not overwrite the user's own
> config.
> 
> So cpu.fair_slice is for preempt competition across cgroups in the samle
> level, while sched_attr::sched_runtime can be used for processes inside the
> same cgroup. (a bit like cpu.weight vs task NICE)

I see. It's setting the slice for the task_groups. I'm not sure how much we
want to codify the current recursive behavior into fixed interface. Besides,
it's not sustainable to keep adding scheduler tunables to cgroup interface.

Thanks.

-- 
tejun