Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]

[Ingo Molnar]

* Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:

> IIRC, Rui was running with -p128, which at 48000kHz is 2600usecs (and
> longer at 44100kHz). If the maximum process cycle was on the order of
> 1500usecs, that leaves nearly 1ms until the next interrupt is due.
> Unless jackd was held up between computing the process cycle time and
> entering poll, it doesn't seem that the process cycle ever gets close
> to the interrupt interval duration.

yeah, i'd agree with this, there must be something else going on.

> So I don't think that delays caused *during* jackd's processing cycle
> are involved here. However, I agree that your suggestion to check for
> this before computing max_delay is probably wise in general.

yep.

	Ingo
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