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    SubjectRe: [RFC PATCH] sched: find the latest idle cpu
    On 01/15/2014 03:35 PM, Peter Zijlstra wrote:
    > On Wed, Jan 15, 2014 at 12:07:59PM +0800, Alex Shi wrote:
    >> Currently we just try to find least load cpu. If some cpus idled,
    >> we just pick the first cpu in cpu mask.
    >>
    >> In fact we can get the interrupted idle cpu or the latest idled cpu,
    >> then we may get the benefit from both latency and power.
    >> The selected cpu maybe not the best, since other cpu may be interrupted
    >> during our selecting. But be captious costs too much.
    >
    > No, we should not do anything like this without first integrating
    > cpuidle.
    >
    > At which point we have a sane view of the idle states and can make a
    > sane choice between them.
    >


    Daniel,

    Any comments to make it better?

    --
    Thanks
    Alex


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