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    SubjectRe: [PATCH] i386: Selectable Frequency of the Timer Interrupt
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    On Thu, 2005-07-14 at 10:38 +0200, Ingo Molnar wrote:
    > - there are real-time applications (robotic environments: fast rotating
    > tools, media and mobile/phone applications, etc.) that want 10
    > usecs precision. If such users increased HZ to 100,000 or even
    > 1000,000, the current timer implementation would start to creek: e.g.
    > jiffies on 32-bit systems would wrap around in 11 hours or 1.1 hours.
    > (To solve this cleanly, pretty much the only solution seems to be to
    > increase the timeout to a 64 bit value. A non-issue for 64-bit
    > systems, that's why i think we could eventually look at this
    > possibility, once all the other problems are hashed out.)
    >

    Those types of systems will not be 64 bit for many, many years, if
    ever...

    Lee

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