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SubjectRe: [ANNOUNCE] Linux 2.6 Real Time Kernel
On Sat, Oct 09, 2004 at 02:30:28PM -0400, Lee Revell wrote:
> On Sat, 2004-10-09 at 13:41, Karim Yaghmour wrote:
> > Sven-Thorsten Dietrich wrote:
> > > - Voluntary Preemption by Ingo Molnar
> > > - IRQ thread patches by Scott Wood and Ingo Molnar
> > > - BKL mutex patch by Ingo Molnar (with MV extensions)
> > > - PMutex from Germany's Universitaet der Bundeswehr, Munich
> > > - MontaVista mutex abstraction layer replacing spinlocks with mutexes
> >
> > To the best of my understanding, this still doesn't provide deterministic
> > hard-real-time performance in Linux.
>
> Using only the VP+IRQ thread patch, I ran my RT app for 11 million
> cycles yesterday, with a maximum delay of 190 usecs. How would this not
> satisfy a 200 usec hard RT constraint?

I think the keyword here is "deterministic", isn't it?

>
> PHB: "I've looked at your proposal and decided it can't be done"
> Dilbert: "I just did it. It's working perfectly"
>
> Lee
>
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