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SubjectRe: Linux 2.6.0-test6

Pedro Larroy wrote:

>On Thu, Oct 02, 2003 at 01:05:36PM +1000, Nick Piggin wrote:
>>Pedro Larroy wrote:
>>>Why not run xmms with SCHED_RR or SCHED_FIFO?
>>Well because playing an mp3 really is a pitiful task for modern CPUs,
>>and the standard scheduler should handle this fine. Also a music skip
>>isn't terribly important.
>>Realtime applications are difficult to make robust and they can easily
>>hang the system.
>I think there are better aproaches for deciding when a task should be
>interactive than the current one based in how much does the task sleep.
>I'm afraid this selection criteria leads to a scheduler that isn't
>predictable for situations that aren't the ones for which is tuned to work.
>Of course I may be wrong, but to me, seems that saying explicitly
>which tasks are interactive sounds better.

Have a look at my scheduler if you like. It won't estimate interactivity
but it works quite well if you nice -10 your X server. Ie. explicitly
state which process should be favoured.

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