Re: [PATCH 10/10] sched/fair: Implement an EEVDF like policy

From: Mike Galbraith
Date: Thu Mar 09 2023 - 11:42:11 EST


On Thu, 2023-03-09 at 16:29 +0100, Peter Zijlstra wrote:
>
> So if I add TICK_NSEC based sleeper bonus (/2 for gentle), then starve
> works -- this is the absolutely minimal amount required. It sucks a bit
> it's HZ dependent, but alas.
>
> Also, the whole sleeper bonus gets us back into needing to track the old
> vruntime and the overflow crap for super long sleeps and all that fugly
> :/ I was so hoping we could delete that code.
>
> Oh well.

Yeah, it's a worthy target.

-Mike