[lkml]   [2004]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: dynamic-hz

    > > Well most x86(64) these days have local APICs and that provides a
    > > relatively inexpensive one shot timer mode.
    > I doubt a one shot is appropriate. The irq latency is variable and we
    > won't be able to atomically read tsc and rearm the one-shot timer. The
    > intemediate error will propagate over time.

    But that does not matter, right? Yes, one-shot timer will not fire
    exactly at right place, but as long as you are reading TSC and basing
    next shot on current time, error should not accumulate.
    Boycott Kodak -- for their patent abuse against Java.
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 14:08    [W:0.019 / U:10.456 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site