Messages in this thread | | | From | Rafael Fernandez <> | Date | Fri, 1 Apr 2011 09:57:12 -0500 | Subject | Re: Minimum time slice for relaible Linux execution |
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Also, how is this different than placing a starvation limit around the RT set of tasks?
On Fri, Apr 1, 2011 at 9:19 AM, Rafael Fernandez <rafaelefernandez@gmail.com> wrote: > Hi, > > This is pretty interesting to me. How would your framework handle an > RT application that does quite a bit of I/O? Does it block and go to > Linux, get serviced, and come back? > > Thank you, > Rafael > > On Thu, Mar 31, 2011 at 7:13 AM, limp <johnkyr83@hotmail.com> 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. >> >> Could anyone advise me on how to determine the minimum possible time slice >> that I can give to Linux so that it doesn't crash? >> >> That is, if I periodically execute my RT domain every ms and then I switch >> to Linux, what's the minimum time that should be given to Linux, until the >> next RT domain execution? >> >> NOTE: The RT domain and Linux are not executed concurrently, i.e. the RT >> domain is executed first and then Linux executes until the next RT domain >> execution. >> >> Thank you all in advance. >> >> John K. >> >> >> -- >> 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/ >> >
-- Rafael E. Fernández B.S. Computer Science University of Illinois at Urbana-Champaign -- 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/
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