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    SubjectRe: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3
    * George Anzinger <> [050809 13:07]:
    > >>I can take a shot at addressing these concerns in dynamic_tick patch, but
    > >>it seems to me that VST has already addressed all these to a big extent.
    > >>Had you considered VST before? The biggest bottleneck I see in VST going
    > >>mainline is its dependency on HRT patch but IMO it should be possible to
    > >>write a small patch
    > >>to support VST w/o HRT.
    > >>
    > >>George, what do you think?
    > >
    > >
    > >HRT + VST depend on APIC only, and does not use next_timer_interrupt().
    > I convinced my self that the next_timer... code in timer.c misses timers
    > (i.e. gives the wrong answer). I did this (after wondering due to
    > performance) by scanning the whole timer list after I had the
    > next_timer... answer and finding a better answer, not always, but some
    > times. That code does not address the cascade list correctly.

    Do you have a patch around for improving next_timer_interrupt()?

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      Last update: 2005-08-10 10:05    [W:0.021 / U:0.936 seconds]
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