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    SubjectRe: [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU"
    On Friday 09 October 2009, Mike Galbraith wrote:
    > sched: update the clock of runqueue select_task_rq() selected.
    > In try_to_wake_up(), we update the runqueue clock, but select_task_rq()
    > may select a different runqueue than the one we updated, leaving the new
    > runqueue's clock stale for a bit.
    > This patch cures occasional huge latencies reported by latencytop when
    > coming out of idle on a mostly idle NO_HZ box.

    This patch (without Arjan's previous one applied) also fixes my latency
    issues. Nice work!


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      Last update: 2009-10-09 18:37    [W:0.019 / U:41.944 seconds]
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