Messages in this thread | | | Subject | Re: report a bug about sched_rt | From | Raistlin <> | Date | Sat, 25 Jul 2009 13:10:24 +0200 |
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On Fri, 2009-07-24 at 21:26 +0800, sen wang wrote: > If cpu is free and there is a running state task,how can you scdedule > idle task up? > Well, if you drop an eye to what Peter is trying to point out, you'll find a lot of examples where providing an RT application with _more_ CPU than it asks, lead to catastrophic consequences... They are some of what we call "scheduling anomalies", and there are plenty of examples of that! :-O
I think sched_rt determinism could be improved... But giving some random task some random more bandwidth is just going in the opposite direction! :-(
Regards, Dario
-- <<This happens because I choose it to happen!>> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy)
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