kernel/sched/fair.c

390 		 * With cfs_rq being unthrottled/throttled during an enqueue,
4488 	u64 throttled = 0, now, lut;
4537 	throttled = u64_u32_load(cfs_rq->throttled_pelt_idle);
4539 	if (throttled == U64_MAX)
4552 	now -= throttled;
5661 	if (cfs_rq->throttled)
5665 	 * hierarchy can be throttled
5682 	return cfs_bandwidth_used() && cfs_rq->throttled;
5685 /* check whether cfs_rq, or any parent, is throttled */
5693  * dest_cpu are members of a throttled hierarchy when performing group
5742 	/* group is entering throttled state, stop time */
5768 		 * actually throttled the timer might not unthrottle us for an
5786 	/* freeze hierarchy runnable averages while throttled */
5795 		/* throttled entity or throttle-on-deactivate */
5816 		/* throttled entity or throttle-on-deactivate */
5835 	 * Note: distribution will already see us throttled via the
5836 	 * throttled-list.  rq->lock protects completion.
5838 	cfs_rq->throttled = 1;
5854 	cfs_rq->throttled = 0;
5898 		/* end evaluation on encountering a throttled cfs_rq */
5915 		/* end evaluation on encountering a throttled cfs_rq */
6012 	bool throttled = false;
6024 			throttled = true;
6049 		/* we check whether we're throttled above */
6063 			throttled = true;
6087 	return throttled;
6098 	int throttled;
6104 	throttled = !list_empty(&cfs_b->throttled_cfs_rq);
6111 	 * idle depends on !throttled (for the case of a large deficit), and if
6114 	if (cfs_b->idle && !throttled)
6117 	if (!throttled) {
6129 	while (throttled && cfs_b->runtime > 0) {
6132 		throttled = distribute_cfs_runtime(cfs_b);
6140 	 * timer to remain active while there are any throttled entities.)
6277 	/* ensure the group is not already throttled */
6314 	 * it's possible for a throttled entity to be forced into a running
6445 	 * exist throttled cfs_rq(s), and the period_timer must have queued the
6751 		/* end evaluation on encountering a throttled cfs_rq */
6771 		/* end evaluation on encountering a throttled cfs_rq */
6829 		/* end evaluation on encountering a throttled cfs_rq */
6861 		/* end evaluation on encountering a throttled cfs_rq */
8313 	 * Note: this also catches the edge-case of curr being in a throttled
8597 	/* throttled hierarchies are not runnable */
12466 	/* Ensure any throttled groups are reachable by pick_next_task */