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    SubjectRe: 2.6.9-rc1-mm1
        > Rafael, what baseline release are you comparing to?  I should be able
    > to provide some tools to measure the effect on updatedb directly for
    > both 2.6.9-rc1 and your baseline (so long as it's 2.6-based), for example. I'd like to compate it with the 2.6.9-rc1-mm1, which
    contains the Nick's scheduler (2.6.9-rc1 has the same scheduler as,

    Okay. A schedstats patch for is available at

    You can also pick up the program "latency.c" at

    With these two things in hand, you should be able to measure the latency
    on of a particular process.

    A patch is not necessary for 2.6.9-rc1-mm1 (schedstats is already in there)
    but you will need to config the kernel to use it. Then retrieve a slightly
    different latency.c:

    since 2.6.9-rc1-mm1 output format is different (as you noted, it's a
    different scheduler.) Then you should be able to see if the latency of
    a particular process (updatedb, for instance) changes.

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