![]() | |||||||||||||
Messages in this thread |
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? PHB: "I've looked at your proposal and decided it can't be done" Dilbert: "I just did it. It's working perfectly" Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-03-22 14:06 [from the cache] ©2003-2008 | |||||||||||||