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    SubjectRe: [PATCH] dynamic tick patch

    > Attached is the dynamic tick patch for x86 to play with
    > as I promised in few threads earlier on this list.[1][2]
    > The dynamic tick patch does following:
    > - Separates timer interrupts from updating system time
    > - Allows updating time from other interrupts in addition
    > to timer interrupt
    > - Makes timer tick dynamic
    > - Allows power management modules to take advantage of the
    > idle time inbetween skipped ticks
    > - Might help with the whistling caps?
    > The patch should be non-intrusive where possible. The system
    > boots with the regular timers, and then later on switches on
    > the dynamic tick if the selected driver implements get_hw_time()
    > function.
    > Currently supported timers are TSC and ACPI PM timer. Other
    > timers should be easy to add. Both TSC and ACPI PM timer
    > rely on the PIT timer for interrupts, so the maximum skip
    > inbetween ticks is only few seconds at most.
    > Please note that this patch alone does not help much with
    > power savings. More work is needed in that area to make the
    > system take advantage of the idle time inbetween the skipped
    > ticks.

    Well, having HZ=100 instead of HZ=1000 has measurable benefits on
    power consumption. This should be at least as good, no?
    People were complaining that M$ turns users into beta-testers...
    ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
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