Messages in this thread | | | Date | Wed, 20 Jan 1999 00:38:01 +0100 (CET) | From | Rik van Riel <> | Subject | Re: Scheduler problems |
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On Tue, 19 Jan 1999, MOLNAR Ingo wrote: > On Tue, 19 Jan 1999, Stephen C. Tweedie wrote: > > > Ingo, any thoughts? Seems that if for any reason all wakeup interrupts > > arrive at the same CPU which is running the SCHED_FIFO task, then we > > will _never_ perform any successful wakeups without first exhausting the > > other CPU's current timeslice. > > yes i have a patch for this but it's not straightforward enough > for 2.2. (ie. a 50k patch) It has to do things like a full > goodness() run for every CPU in wakeup(), which is less than > ideal.
I am willing to improve/maintain that patch as an add-on feature for 2.2 -- once 2.2 stabilizes, of course...
cheers,
Rik -- If a Microsoft product fails, who do you sue? +-------------------------------------------------------------------+ | Linux memory management tour guide. riel@nl.linux.org | | Scouting Vries cubscout leader. http://www.nl.linux.org/~riel | +-------------------------------------------------------------------+
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