Re: [PATCH 02/13] sched_ext: Make slice values tunable and use shorter slice in bypass mode

[Tejun Heo]

On Mon, Nov 10, 2025 at 06:21:10AM -1000, Tejun Heo wrote:
> Hello,
> 
> On Mon, Nov 10, 2025 at 08:03:37AM +0100, Andrea Righi wrote:
> > I agree that slice_bypass_us can be a tunable in sysfs, but I think it'd be
> > nicer if the default time slice would be a property of sched_ext_ops, is
> > there any reason to not do that?
> 
> My thinking was that a scheduler should always be able to avoid using the
> default slice. Even if we allow the default slice to be overridden by the
> scheduler, it's still very crude as it will apply the same slice to all
> tasks. I'm not necessarily against moving it into ops but a bit unsure how
> useful it is.

Hmm... for now, let me drop slice_dfl knob from this patch. We can address
this separately.

Thanks.

-- 
tejun