Messages in this thread | | | Subject | Re: periods and deadlines in SCHED_DEADLINE | From | Bjoern Brandenburg <> | Date | Sun, 11 Jul 2010 08:46:12 +0200 |
| |
On Jul 10, 2010, at 9:08 AM, Raistlin wrote:
>> >> As a side note, almost all global EDF hard real-time admission tests can handle tasks with constrained deadlines transparently. However, as far as I can tell, they do not apply to SCHED_DEADLINE. >> > This is the only part I am not sure I got... Can you explain me what do > you mena by "they do not apply" ?
I was under the impression that the kernel implementation is a P-EDF implementation. Now it seems to me that it is in fact a "P-EDF with frequent migrations" implementation. I'd be hesitant to just assume that it "approximates G-EDF" sufficiently well to apply any of the published G-EDF tests.
- Björn
--- Björn B. Brandenburg Ph.D. Student Dept. of Computer Science University of North Carolina at Chapel Hill http://www.cs.unc.edu/~bbb
-- 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/
| |