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    SubjectRe: [PATCH v3 08/12] sched: move cfs task on a CPU with higher capacity
    On Mon, Jun 30, 2014 at 06:05:39PM +0200, Vincent Guittot wrote:
    > + /*
    > + * If the CPUs share their cache and the src_cpu's capacity is
    > + * reduced because of other sched_class or IRQs, we trig an
    > + * active balance to move the task
    > + */
    > + if ((sd->flags & SD_SHARE_PKG_RESOURCES)
    > + && ((capacity_orig_of(src_cpu) * 100) > (capacity_of(src_cpu) *
    > + sd->imbalance_pct)))
    > return 1;

    Why is this tied to shared caches?


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