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    SubjectRe: [PATCH] Load balancing problem in 2.6.2-mm1


    Anton Blanchard wrote:

    >
    >Hi,
    >
    >
    >>The current imbalance code rounds up to 1, meaning that we'll often
    >>see an "imbalance" of 1 even when it's 1 to 0 and just been moved.
    >>Did you see these results even with Martin's patch to not round up to 1?
    >>
    >
    >Indeed Martins patch does fix the problem:
    >
    >cpu user system idle cpu user system idle
    >cpu0 0 0 100 cpu1 0 0 100
    >cpu2 0 0 100 cpu3 0 0 100
    >cpu4 0 0 100 cpu5 0 0 100
    >cpu6 0 0 100 cpu7 0 0 100
    >cpu8 0 0 100 cpu9 0 0 100
    >cpu10 0 0 100 cpu11 0 0 100
    >cpu12 0 0 100 cpu13 100 0 0
    >cpu14 0 0 100 cpu15 0 0 100
    >
    >My current tree has your patch and Martins patch. So far its looking
    >good.
    >
    >

    Rick's being the one I sent you?

    Does active balancing still work? Ie. get two processes running on the
    same physical CPU and see if one is migrated away.

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