Re: [patch] CFS scheduler, -v14

[Li Yu]

static void distribute_fair_add(struct rq *rq, s64 delta)
{
   struct task_struct *curr = rq->curr;
   s64 delta_fair = 0;

   if (!(sysctl_sched_load_smoothing & 32))
       return;

   if (rq->nr_running) {
       delta_fair = div64_s(delta, rq->nr_running);
       /*
        * The currently running task's next wait_runtime value does
        * not depend on the fair_clock, so fix it up explicitly:
        */
       add_wait_runtime(rq, curr, -delta_fair);
       rq->fair_clock -= delta_fair;
   }
}

See this line:

       delta_fair = div64_s(delta, rq->nr_running);

Ingo, should we be replace "rq->nr_running" with "rq->raw_load_weight" here?

Good luck
- Li Yu




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