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

On Feb 4, 2025, at 5:44 PM, Prakash Sangappa [off-list ref] wrote:



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On Feb 1, 2025, at 10:11 AM, Peter Zijlstra [off-list ref] wrote:

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On Sat, Feb 01, 2025 at 07:47:32AM -0500, Steven Rostedt wrote:


On February 1, 2025 6:59:06 AM EST, Peter Zijlstra [off-list ref] wrote:

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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

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told you that before.