Re: 2.5.74-mm1

From: Davide Libenzi (
Date: Tue Jul 08 2003 - 10:24:33 EST

On Tue, 8 Jul 2003, Nick Piggin wrote:

> I agree some people have some inflated ideas about a desktop workload,
> but I'd just point out that if your mp3 player was using say 2% CPU,
> it should be able to preempt the make soon after it becomes runnable,
> and not have to wait at the end of the queue. It would become a CPU
> hog itself if you had 48 other processes running though.

This is clearly true, actually even more since player usually suck way
less than 2% of the CPU. If no video is involved, they simply do a write()
to /dev/dsp and then they sync by calling GETOSPACE and sleeping in the
"hope" to be wake up almost in time. I never said that the scheduler
should not be fixed. It definitely has to.

- Davide

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