Re: [RFC][PATCH 1/2] sched: Extended scheduler time slice

[Joel Fernandes]

> On Feb 4, 2025, at 5:44 PM, Prakash Sangappa <prakash.sangappa@xxxxxxxxxx> wrote:
> 
> 
> 
>> On Feb 1, 2025, at 10:11 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>> 
>>> On Sat, Feb 01, 2025 at 07:47:32AM -0500, Steven Rostedt wrote:
>>> 
>>> 
>>> On February 1, 2025 6:59:06 AM EST, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>>> 
>>>> I still have full hate for this approach.
>>> 
>>> So what approach would you prefer?
>> 
>> The one that does not rely on the preemption method -- I think I posted
>> something along those line, and someone else recently reposted something
>> bsaed on it.
> 
> Here is the RFC I had sent that Peter is referring

FWIW, I second the idea of a new syscall for this than (ab)using rseq
and also independence from preemption method. I agree that something
generic is better than relying on preemption method.

thanks,

 - Joel




> Tying things to the preemption method is absurdly bad design -- and I've
>> told you that before.
>> 
>