Re: [linux-audio-user] -rt IRQ handler priorities

On Tue, 2006-05-09 at 12:56 -0700, Kjetil S. Matheussen wrote:
>
> Then theres a latency problem in the kernel. A sleeping high priorioty
> SCHED_FIFO thread must be woken up in time even if another lower
> priority SCHED_FIFO thread is buzy-looping. And currently, unless the
> softirq timer has priority 99, that condition can not be fullfilled.
>
> So, the softirq timer must run with priority 99.

I think it's unusual to want a high priority SCHED_FIFO thread to be
awakened by a timer. What are you trying to do?

Lee
Received on Wed May 10 00:15:04 2006