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    SubjectRe: Linux time code
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    On Mon, 2006-08-28 at 23:28 -0400, linux@horizon.com wrote:
    > > With the new clocksource code, we can (currently just i386, but the
    > > architecture is generic and I'm working on the other arches) make use of
    > > continuous clocksources for accumulating time instead of having the deal
    > > with the problematic PIT (as well as the lost ticks issue).
    >
    > If it's there, it's great, but what about i386EX embedded boards and
    > the like?

    The PIT clocksource is available for those situations, but is one of the
    lowest rated clocksources, so anything else will be used if its
    available.

    > It's approximately manageable on uniprocessor, but can
    > I be sure there's always something (what?) better than the PIT on
    > *every* SMP system?

    Yea. With the exception of NUMAQ almost every i386 SMP system either can
    use the TSC or has an alternative clocksource (acpi pm, hpet, cyclone).


    > I need to study what you've done and see how to use it.

    Let me know if you have any questions or thoughts about it.

    thanks
    -john


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