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    SubjectRe: sched_clock() uses are broken
    On Sun, May 07, 2006 at 10:33:41PM +1000, Nick Piggin wrote:
    > Mike Galbraith wrote:
    > >On Wed, 2006-05-03 at 03:07 +1000, Nick Piggin wrote:
    > >
    > >>Other problem is that some people didn't RTFM and have started trying to
    > >>use it for precise accounting :(
    > >
    > >
    > >Are you talking about me perchance? I don't really care about precision
    > >_that_ much, though I certainly do want to tighten timeslice accounting.
    > No, sched_clock is fine to be used in CPU scheduling choices, which are
    > heuristic anyway (although strictly speaking, even using it for timeslicing
    > within a single CPU could cause slight unfairness).

    Except maybe if it rolls over every 178 seconds, which is my original
    point. Maybe someone could comment on my initial patch sent 5 days

    Russell King
    Linux kernel 2.6 ARM Linux -
    maintainer of: 2.6 Serial core
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