Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8

[Florian Schmidt]

On Wed, 20 Oct 2004 16:18:22 +0200
Ingo Molnar <mingo@xxxxxxx> wrote:

> note that the keyboard and USB interrupts are SCHED_OTHER by default, so
> they could be delayed quite long depending on the workload. To avoid
> that i'd suggest to:
> 
>         chrt --fifo --pid 30 `pidof 'IRQ 1'`
>         chrt --fifo --pid 30 `pidof 'IRQ 12'`
> 
> (do this for every IRQ you have for input devices.) This puts them below
> jackd's priority (which is FIFO 50 iirc) but above all SCHED_OTHER
> tasks. The soundcard IRQ i guess you have chrt-ed already?
> 
> or did you have them on SCHED_FIFO already?

setting them to SCHED_FIFO even with a prio of 99 won't help. will try
rebooting to see if it's reproducable 

flo
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