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    SubjectRe: [patch 08/16] sched: throttle cfs_rq entities which exceed their local runtime
    On Tue, Jun 21, 2011 at 12:16:57AM -0700, Paul Turner wrote:
    > @@ -1505,7 +1559,17 @@ enqueue_task_fair(struct rq *rq, struct
    > break;
    > cfs_rq = cfs_rq_of(se);
    > enqueue_entity(cfs_rq, se, flags);
    > +
    > + /*
    > + * end evaluation on encountering a throttled cfs_rq
    > + *
    > + * note: in the case of encountering a throttled cfs_rq we will
    > + * post the final h_nr_running decrement below.

    You mean 'final h_nr_running increment' I suppose ?

    > + */
    > + if (cfs_rq_throttled(cfs_rq))
    > + break;
    > cfs_rq->h_nr_running++;
    > +
    > flags = ENQUEUE_WAKEUP;
    > }
    >
    > @@ -1513,11 +1577,15 @@ enqueue_task_fair(struct rq *rq, struct
    > cfs_rq = cfs_rq_of(se);
    > cfs_rq->h_nr_running++;

    Regards,
    Bharata.


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