Re: as / scheduler question

Andrew Morton
2003-07-28T23:14:24Z

Con Kolivas <kernel@kolivas.org> wrote:
>
> Nick
>
> With the sheduler work Ingo and I have been doing I was wondering if there was
> possibly a problem with requeuing kernel threads at certain intervals? Ingo's
> current version requeues all threads at 25ms and I just wondered if this
> number might be a multiple or factor of a magic number in the AS workings, as
> we're seeing a few changes in behaviour with AS only. I'm planning on leaving
> kernel threads out of this requeuing, but I thought I could also pick your
> brain.
>

What does "requeues all threads at 25ms" mean?

The only dependency we should have there is that kblockd should be scheduled
promptly after it is woken. It is reniced by -10 so it should be OK.
Renicing it further or making it SCHED_RR/FIFO would be interesting.