se_weight
sa->util_avg = cfs_rq->avg.util_avg * se_weight(se);
se_weight(se) * se->avg.load_sum);
se_weight(se) * -se->avg.load_sum);
se->avg.load_avg = div_u64(se_weight(se) * se->avg.load_sum, divider);
load_sum = se_weight(se) * runnable_sum;
delta_sum = load_sum - (s64)se_weight(se) * se->avg.load_sum;
if (se_weight(se) < se->avg.load_sum)
se->avg.load_sum = div_u64(se->avg.load_sum, se_weight(se));
___update_load_avg(&se->avg, se_weight(se));
___update_load_avg(&se->avg, se_weight(se));