[linux-audio-user] -rt IRQ handler priorities
Lee Revell
rlrevell at joe-job.com
Wed May 10 08:26:08 EDT 2006
On Wed, 2006-05-10 at 14:13 +0200, Thomas Gleixner wrote:
> On Wed, 2006-05-10 at 13:32 +0200, Wolfgang Hoffmann wrote:
> > Thomas, does this dynamic priority support work when running softirq-timer/0
> > at SCHED_OTHER? I tried, and it seems to work here, I just want to make sure
> > it's valid to do so.
>
> The softirq-timer/0 is not affected by this. Only the timers which are
> in the hrtimer subsystem are handled that way.
>
> Thats currently: nano_sleep, itimer, posix_timers
Sorry, I'm more confused than I was at the beginning of the thread.
How can the OP's problem (setting softirq-timer to SCHED_FIFO priority
99 is required to get sleep() to work, but causes large latencies when
rt_secret_rebuild() runs) be addressed? Is the only solution to enable
high res timers?
Lee
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