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    SubjectRe: [Lse-tech] Re: A common layer for Accounting packages

    > I tested without user space listeners and the cost is negligible. I will
    > test with a user space listeners and see the results. I'm going to run
    > the test this week after improving the mechanism that switch on/off the
    > sending of the message.

    I'm also trying to mesure the process-creation/destruction performance on following three environment.
    Archtechture: i686 / Distribution: Fedora Core 3
    * Kernel Preemption is DISABLE
    * SMP kernel but UP-machine / Not Hyper Threading
    [1] 2.6.11-rc4-mm1 normal
    [2] 2.6.11-rc4-mm1 with PAGG based Process Accounting Module
    [3] 2.6.11-rc4-mm1 with fork-connector notification (it's enabled)

    When 367th-fork() was called after fork-connector notification, kernel was locked up.
    (User-Space-Listener has been also run until 366th-fork() notification was received)

    Does this number have any sort of means ?
    In my second trial, kernel was also locked up after 366th-fork() notification.
    Currently, I don't know its causition. Is there a person encounted it?

    # I wanted to say "[2] is faster than [3]" when process-grouping is enable, but the plan came off. :(

    Linux Promotion Center, NEC
    KaiGai Kohei <>
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