Messages in this thread | | | Date | Fri, 22 Nov 2002 12:07:36 +0100 | From | Mike Galbraith <> | Subject | Re: 2.5.47 scheduler problems? |
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At 12:41 AM 11/22/2002 -0500, Jim Houston wrote: >Hi Mike, Rik, Everyone, > >The O(1) schedule just isn't fair. It will run a subset >of the runable processes excluding the rest. See my earlier >emails for the details. > >I had been working on a fix for this but got distracted >by Posix timers. I still hope to get back to it. > >My patch is here: >http://marc.theaimsgroup.com/?l=linux-kernel&m=103508412423719&w=2
In a brief test, this seems to cure my problem.
>It fixes fairness but breaks nice(2). Rik van Riel has a >patch here which builds on my patch which fixes this: >http://marc.theaimsgroup.com/?l=linux-kernel&m=103651801424031&w=2
(I haven't test this one yet)
>I just gave this a spin with. The patches still apply cleanly >to linux-2.5.48 and it seems well behaved:-)
It seems a little choppy still for a not swapping load, but greatly improved.
Thanks!
-Mike
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