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    SubjectRe: [RFC] Scheduler issue 1, RT tasks ...
    On Thu, Dec 27, 2001 at 09:41:33AM -0800, Davide Libenzi wrote:
    > > No: we've measured. The time in our system, which does not follow any
    > > Linux kernel paths, is dominated by motherboard bus delays.
    > 17us of bus delay ?!
    > UP or SMP ?
    > Under which kind of bus load ?

    read cycle timer
    inb from some isa port
    read cycle timer
    repeat for a while
    print worst case and weep

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