Re: 2.5.74-mm1

From: Diego Calleja García (
Date: Sat Jul 05 2003 - 17:11:36 EST

El Sat, 5 Jul 2003 23:09:12 +0200 Daniel Phillips <>

> The "better" mechanism for sound scheduling is SCHED_RR, which requires
> root privilege for some reason that isn't clear to me. Or maybe there
> once was a good reason, back in the days of the dinosaurs.

I don't think mp3 playing needs nothing special.

Mp3 decoding on today's computers taks insignificant amounts of cpu time.
Having mp3 skips even in light loads in a 2x800 box seems just
If you allow users using SCHED_RR, every app will end using it.
But you can renice all other apps at +5.

Scheduler's behaviour has been much better in the past, i don't
think it requires anything special, just fixing the bug.

But if you want to hear mp3 under crazy loads; perhaps you'd want to use
the SCHED_RR part.
Personally I'd like to be able to hear mp3 always, no matter if there's a
heavy load in the machine. Mp3 playing is _important_ for me, i don't care
about the rest :) (xmms supports realtime, but you need root)
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