Re: IBM HDAPS Someone interested?

From: Lee Revell
Date: Tue Jun 21 2005 - 12:39:47 EST

On Tue, 2005-06-21 at 18:45 +0200, Vojtech Pavlik wrote:
> On Tue, Jun 21, 2005 at 11:37:38AM -0400, Lee Revell wrote:
> > Ugh, if userspace can't meet a 300ms RT constraint, that's a pretty
> > shitty OS you have there.
> It's not that you do one measurement in the 300ms. You need to do at least
> 100, and some computations, too.
> > This should certainly be done in userspace on Linux.
> So it's a 3ms RT constraint, which is not as easy.

Heh, we do it all the time with JACK.

But, I think I was wrong anyway, you'll have to do it in the kernel
because you would need PREEMPT to meet that with any degree of


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