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    SubjectRe: [patch 4/7] sched: convert rq->avg_idle to rq->avg_event
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    On Wed, 2011-11-23 at 12:55 +0100, Peter Zijlstra wrote:
    > On Tue, 2011-11-22 at 15:22 +0100, Mike Galbraith wrote:
    > > We update rq->clock only at points of interest to the scheduler.
    > > Using this distance has the same effect as measuring idle time
    > > for idle_balance() throttling, and allows other uses as well.
    >
    > I'm not sure I follow, suppose we're happily context switching away, how
    > is the avg distance between context switches related to idle time?

    Average idle time can't be larger.

    -Mike




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