Re: [RFC][PATCH 08/10] sched/fair: Implement delayed dequeue

Peter Zijlstra
2024-05-23T09:34:02Z

On Thu, May 23, 2024 at 10:06:04AM +0100, Luis Machado wrote:

> Booting the kernel with NO_DELAY_DEQUEUE (default to false), things work fine. Then
> if I switch to DELAY_DEQUEUE at runtime, things start using a lot more power.
>
> The interesting bit is if I switch to NO_DELAY_DEQUEUE again at runtime, things don't
> go back to normal. Rather they stay the same, using a lot more energy.

Ooh, cute.. weird. I'll try and see if we leak state somehow.