Messages in this thread | | | Subject | Re: Minimum time slice for relaible Linux execution | From | Dario Faggioli <> | Date | Fri, 01 Apr 2011 10:05:10 +0200 |
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On Thu, 2011-03-31 at 11:12 -0400, Steven Rostedt wrote: > On Thu, Mar 31, 2011 at 01:13:55PM +0100, limp wrote: > > Dear all, > > > > I have developed a framework similar to a hypervisor that switches between > > Linux and a RT domain. > > As RT priority is of highest importance, I want to give more time to the RT > > domain *but* I also want to give Linux adequate time for being able to > > operate. > > > I'm not sure there is any requirement. The only problem I guess that can > happen is if you give such little time that the timer interrupt can't > finish, or that every time you schedule Linux back in, the timer > interrupt goes off and nothing else gets done. > Right. Moreover, what you're doing seems very very similar to what these guys do: https://www.rtai.org/ , http://www.xenomai.org/ .
I've never checked if (and if yes how) they do such thing as you're thinking, but maybe they do... Have you already looked at them?
Regards, Dario
-- <<This happens because I choose it to happen!>> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy)
http://retis.sssup.it/people/faggioli -- dario.faggioli@jabber.org [unhandled content-type:application/pgp-signature] | |