Re: [PATCH V5 1/6] Sched: Scheduler time slice extension

From: Prakash Sangappa
Date: Mon Jun 30 2025 - 20:48:57 EST




> On Jun 10, 2025, at 9:40 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> On Tue, 10 Jun 2025 16:31:05 +0000
> Prakash Sangappa <prakash.sangappa@xxxxxxxxxx> wrote:
>
>> Ok, adding load also seems to increase the max latency.
>
> Right.
>
>>
>> It is up to Peter to decide if scheduler time extension should be restricted to non RT threads.
>
> Peter was against restricting it to just non RT threads because he said it
> wouldn't make a difference. He asked for benchmarks that says otherwise.
>
> I'm now supplying the benchmarks that say it does make a difference.
>
> Hopefully Peter will now change his mind.

Did not see a response from Peter.

I sent out V6 version which adds a config option for this feature.
https://lore.kernel.org/all/20250701003749.50525-1-prakash.sangappa@xxxxxxxxxx/

-Prakash
>
> -- Steve