Messages in this thread | | | Date | Thu, 17 May 2007 09:42:21 +1000 | From | Peter Williams <> | Subject | Re: [patch] CFS scheduler, -v12 |
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Ingo Molnar wrote: > * Peter Williams <pwil3058@bigpond.net.au> wrote: > >>> As usual, any sort of feedback, bugreport, fix and suggestion is more >>> than welcome, >> Load balancing appears to be badly broken in this version. When I >> started 4 hard spinners on my 2 CPU machine one ended up on one CPU >> and the other 3 on the other CPU and they stayed there. > > hm, i cannot reproduce this on 4 different SMP boxen, trying various > combinations of SCHED_SMT/MC
You may need to try more than once. Testing load balancing can be a pain as there's always a possibility you'll get a good result just by chance. I.e. you need a bunch of good results to say it's OK but only one bad result to say it's broken. This makes testing load balancing a pain.
> and other .config options that might make a > difference to balancing. Could you send me your .config?
Sent separately.
Peter -- Peter Williams pwil3058@bigpond.net.au
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