Lines Matching refs:tg

138 void free_rt_sched_group(struct task_group *tg)  in free_rt_sched_group()  argument
142 if (tg->rt_se) in free_rt_sched_group()
143 destroy_rt_bandwidth(&tg->rt_bandwidth); in free_rt_sched_group()
146 if (tg->rt_rq) in free_rt_sched_group()
147 kfree(tg->rt_rq[i]); in free_rt_sched_group()
148 if (tg->rt_se) in free_rt_sched_group()
149 kfree(tg->rt_se[i]); in free_rt_sched_group()
152 kfree(tg->rt_rq); in free_rt_sched_group()
153 kfree(tg->rt_se); in free_rt_sched_group()
156 void init_tg_rt_entry(struct task_group *tg, struct rt_rq *rt_rq, in init_tg_rt_entry() argument
165 rt_rq->tg = tg; in init_tg_rt_entry()
167 tg->rt_rq[cpu] = rt_rq; in init_tg_rt_entry()
168 tg->rt_se[cpu] = rt_se; in init_tg_rt_entry()
183 int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) in alloc_rt_sched_group() argument
189 tg->rt_rq = kcalloc(nr_cpu_ids, sizeof(rt_rq), GFP_KERNEL); in alloc_rt_sched_group()
190 if (!tg->rt_rq) in alloc_rt_sched_group()
192 tg->rt_se = kcalloc(nr_cpu_ids, sizeof(rt_se), GFP_KERNEL); in alloc_rt_sched_group()
193 if (!tg->rt_se) in alloc_rt_sched_group()
196 init_rt_bandwidth(&tg->rt_bandwidth, in alloc_rt_sched_group()
211 rt_rq->rt_runtime = tg->rt_bandwidth.rt_runtime; in alloc_rt_sched_group()
212 init_tg_rt_entry(tg, rt_rq, rt_se, i, parent->rt_se[i]); in alloc_rt_sched_group()
251 void free_rt_sched_group(struct task_group *tg) { } in free_rt_sched_group() argument
253 int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) in alloc_rt_sched_group() argument
444 if (!rt_rq->tg) in sched_rt_runtime()
452 return ktime_to_ns(rt_rq->tg->rt_bandwidth.rt_period); in sched_rt_period()
457 static inline struct task_group *next_task_group(struct task_group *tg) in next_task_group() argument
460 tg = list_entry_rcu(tg->list.next, in next_task_group()
462 } while (&tg->list != &task_groups && task_group_is_autogroup(tg)); in next_task_group()
464 if (&tg->list == &task_groups) in next_task_group()
465 tg = NULL; in next_task_group()
467 return tg; in next_task_group()
494 rt_se = rt_rq->tg->rt_se[cpu]; in sched_rt_rq_enqueue()
512 rt_se = rt_rq->tg->rt_se[cpu]; in sched_rt_rq_dequeue()
560 return &rt_rq->tg->rt_bandwidth; in sched_rt_bandwidth()
1130 if (rt_rq->tg) in inc_rt_group()
1131 start_rt_bandwidth(&rt_rq->tg->rt_bandwidth); in inc_rt_group()
2400 static inline int tg_has_rt_tasks(struct task_group *tg) in tg_has_rt_tasks() argument
2407 if (task_group_is_autogroup(tg)) in tg_has_rt_tasks()
2411 if (rt_task(p) && task_group(p) == tg) in tg_has_rt_tasks()
2419 struct task_group *tg; member
2424 static int tg_rt_schedulable(struct task_group *tg, void *data) in tg_rt_schedulable() argument
2431 period = ktime_to_ns(tg->rt_bandwidth.rt_period); in tg_rt_schedulable()
2432 runtime = tg->rt_bandwidth.rt_runtime; in tg_rt_schedulable()
2434 if (tg == d->tg) { in tg_rt_schedulable()
2448 if (rt_bandwidth_enabled() && !runtime && tg_has_rt_tasks(tg)) in tg_rt_schedulable()
2462 list_for_each_entry_rcu(child, &tg->children, siblings) { in tg_rt_schedulable()
2466 if (child == d->tg) { in tg_rt_schedulable()
2480 static int __rt_schedulable(struct task_group *tg, u64 period, u64 runtime) in __rt_schedulable() argument
2485 .tg = tg, in __rt_schedulable()
2497 static int tg_set_rt_bandwidth(struct task_group *tg, in tg_set_rt_bandwidth() argument
2506 if (tg == &root_task_group && rt_runtime == 0) in tg_set_rt_bandwidth()
2515 err = __rt_schedulable(tg, rt_period, rt_runtime); in tg_set_rt_bandwidth()
2519 raw_spin_lock_irq(&tg->rt_bandwidth.rt_runtime_lock); in tg_set_rt_bandwidth()
2520 tg->rt_bandwidth.rt_period = ns_to_ktime(rt_period); in tg_set_rt_bandwidth()
2521 tg->rt_bandwidth.rt_runtime = rt_runtime; in tg_set_rt_bandwidth()
2524 struct rt_rq *rt_rq = tg->rt_rq[i]; in tg_set_rt_bandwidth()
2530 raw_spin_unlock_irq(&tg->rt_bandwidth.rt_runtime_lock); in tg_set_rt_bandwidth()
2538 int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us) in sched_group_set_rt_runtime() argument
2542 rt_period = ktime_to_ns(tg->rt_bandwidth.rt_period); in sched_group_set_rt_runtime()
2549 return tg_set_rt_bandwidth(tg, rt_period, rt_runtime); in sched_group_set_rt_runtime()
2552 long sched_group_rt_runtime(struct task_group *tg) in sched_group_rt_runtime() argument
2556 if (tg->rt_bandwidth.rt_runtime == RUNTIME_INF) in sched_group_rt_runtime()
2559 rt_runtime_us = tg->rt_bandwidth.rt_runtime; in sched_group_rt_runtime()
2564 int sched_group_set_rt_period(struct task_group *tg, u64 rt_period_us) in sched_group_set_rt_period() argument
2572 rt_runtime = tg->rt_bandwidth.rt_runtime; in sched_group_set_rt_period()
2574 return tg_set_rt_bandwidth(tg, rt_period, rt_runtime); in sched_group_set_rt_period()
2577 long sched_group_rt_period(struct task_group *tg) in sched_group_rt_period() argument
2581 rt_period_us = ktime_to_ns(tg->rt_bandwidth.rt_period); in sched_group_rt_period()
2599 int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk) in sched_rt_can_attach() argument
2602 if (rt_task(tsk) && tg->rt_bandwidth.rt_runtime == 0) in sched_rt_can_attach()