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    SubjectRe: [tbench regression fixes]: digging out smelly deadmen.
    On Mon, 27 Oct 2008, Mike Galbraith wrote:

    > > real world workloads. If your fairness hurts throughput that much maybe
    > > your scheduler algorithm is just plain *wrong* as it isn't adapting to
    > > workload at all well.
    > Doesn't seem to be scheduler/fairness. 2.6.22.19 is O(1), and falls
    > apart too, I posted the numbers and full dbench output yesterday.

    We'll need to look into this a little bit more I think. I have sent out
    some numbers too, and these indicate very clearly that there is more than
    50% performance drop (measured by dbench) just after the very merge of CFS
    in 2.6.23-rc1 merge window.

    --
    Jiri Kosina
    SUSE Labs


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