queue_balance_callback
queue_balance_callback(rq, &per_cpu(core_balance_head, rq->cpu), sched_core_balance);
queue_balance_callback(rq, &per_cpu(dl_push_head, rq->cpu), push_dl_tasks);
queue_balance_callback(rq, &per_cpu(dl_pull_head, rq->cpu), pull_dl_task);
queue_balance_callback(rq, &rq->scx.deferred_bal_cb,
queue_balance_callback(rq, &rq->scx.kick_sync_bal_cb,
queue_balance_callback(rq, &per_cpu(rt_push_head, rq->cpu), push_rt_tasks);
queue_balance_callback(rq, &per_cpu(rt_pull_head, rq->cpu), pull_rt_task);