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    SubjectRe: 2.6.21 -> 2.6.22 & 2.6.23-rc8 performance regression
    Date

    Already i did, and it didn't show real failure point.

    On 01 Oct 2007 12:01:24 +0200, Andi Kleen wrote
    > "Denys" <nuclearcat@nuclearcat.com> writes:
    >
    > > by mistake i will miss a point (it can detect bug easily, IF softirq in
    > > mpstat 1 will jump up to 30+%. On 2.6.21 it is always staying +-10%, on
    > > "buggy" version it jumps up to 100%. Now cause less load at night up to 30-
    > > 50%, so on hardware it is not very noticeable (thats why maybe not much
    > > feedbacks), i am trying to utilise hardware maximum as possible - so i feel
    > > regressions much more.
    >
    > You could use oprofile to find where the CPU time is spent
    >
    > -Andi


    --
    Denys Fedoryshchenko
    Technical Manager
    Virtual ISP S.A.L.

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