Lines Matching refs:rq
45 DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
174 void sched_core_enqueue(struct rq *rq, struct task_struct *p) in sched_core_enqueue() argument
176 rq->core->core_task_seq++; in sched_core_enqueue()
181 rb_add(&p->core_node, &rq->core_tree, rb_sched_core_less); in sched_core_enqueue()
184 void sched_core_dequeue(struct rq *rq, struct task_struct *p) in sched_core_dequeue() argument
186 rq->core->core_task_seq++; in sched_core_dequeue()
191 rb_erase(&p->core_node, &rq->core_tree); in sched_core_dequeue()
198 static struct task_struct *sched_core_find(struct rq *rq, unsigned long cookie) in sched_core_find() argument
202 node = rb_find_first((void *)cookie, &rq->core_tree, rb_sched_core_cmp); in sched_core_find()
207 return idle_sched_class.pick_task(rq); in sched_core_find()
366 static inline void sched_core_enqueue(struct rq *rq, struct task_struct *p) { } in sched_core_enqueue() argument
367 static inline void sched_core_dequeue(struct rq *rq, struct task_struct *p) { } in sched_core_dequeue() argument
471 void raw_spin_rq_lock_nested(struct rq *rq, int subclass) in raw_spin_rq_lock_nested() argument
478 raw_spin_lock_nested(&rq->__lock, subclass); in raw_spin_rq_lock_nested()
485 lock = __rq_lockp(rq); in raw_spin_rq_lock_nested()
487 if (likely(lock == __rq_lockp(rq))) { in raw_spin_rq_lock_nested()
496 bool raw_spin_rq_trylock(struct rq *rq) in raw_spin_rq_trylock() argument
504 ret = raw_spin_trylock(&rq->__lock); in raw_spin_rq_trylock()
510 lock = __rq_lockp(rq); in raw_spin_rq_trylock()
512 if (!ret || (likely(lock == __rq_lockp(rq)))) { in raw_spin_rq_trylock()
520 void raw_spin_rq_unlock(struct rq *rq) in raw_spin_rq_unlock() argument
522 raw_spin_unlock(rq_lockp(rq)); in raw_spin_rq_unlock()
529 void double_rq_lock(struct rq *rq1, struct rq *rq2) in double_rq_lock()
547 struct rq *__task_rq_lock(struct task_struct *p, struct rq_flags *rf) in __task_rq_lock()
548 __acquires(rq->lock) in __task_rq_lock()
550 struct rq *rq; in __task_rq_lock() local
555 rq = task_rq(p); in __task_rq_lock()
556 raw_spin_rq_lock(rq); in __task_rq_lock()
557 if (likely(rq == task_rq(p) && !task_on_rq_migrating(p))) { in __task_rq_lock()
558 rq_pin_lock(rq, rf); in __task_rq_lock()
559 return rq; in __task_rq_lock()
561 raw_spin_rq_unlock(rq); in __task_rq_lock()
571 struct rq *task_rq_lock(struct task_struct *p, struct rq_flags *rf) in task_rq_lock()
573 __acquires(rq->lock) in task_rq_lock()
575 struct rq *rq; in task_rq_lock() local
579 rq = task_rq(p); in task_rq_lock()
580 raw_spin_rq_lock(rq); in task_rq_lock()
598 if (likely(rq == task_rq(p) && !task_on_rq_migrating(p))) { in task_rq_lock()
599 rq_pin_lock(rq, rf); in task_rq_lock()
600 return rq; in task_rq_lock()
602 raw_spin_rq_unlock(rq); in task_rq_lock()
614 static void update_rq_clock_task(struct rq *rq, s64 delta) in update_rq_clock_task() argument
623 irq_delta = irq_time_read(cpu_of(rq)) - rq->prev_irq_time; in update_rq_clock_task()
643 rq->prev_irq_time += irq_delta; in update_rq_clock_task()
648 steal = paravirt_steal_clock(cpu_of(rq)); in update_rq_clock_task()
649 steal -= rq->prev_steal_time_rq; in update_rq_clock_task()
654 rq->prev_steal_time_rq += steal; in update_rq_clock_task()
659 rq->clock_task += delta; in update_rq_clock_task()
663 update_irq_load_avg(rq, irq_delta + steal); in update_rq_clock_task()
665 update_rq_clock_pelt(rq, delta); in update_rq_clock_task()
668 void update_rq_clock(struct rq *rq) in update_rq_clock() argument
672 lockdep_assert_rq_held(rq); in update_rq_clock()
674 if (rq->clock_update_flags & RQCF_ACT_SKIP) in update_rq_clock()
679 SCHED_WARN_ON(rq->clock_update_flags & RQCF_UPDATED); in update_rq_clock()
680 rq->clock_update_flags |= RQCF_UPDATED; in update_rq_clock()
683 delta = sched_clock_cpu(cpu_of(rq)) - rq->clock; in update_rq_clock()
686 rq->clock += delta; in update_rq_clock()
687 update_rq_clock_task(rq, delta); in update_rq_clock()
695 static void hrtick_clear(struct rq *rq) in hrtick_clear() argument
697 if (hrtimer_active(&rq->hrtick_timer)) in hrtick_clear()
698 hrtimer_cancel(&rq->hrtick_timer); in hrtick_clear()
707 struct rq *rq = container_of(timer, struct rq, hrtick_timer); in hrtick() local
710 WARN_ON_ONCE(cpu_of(rq) != smp_processor_id()); in hrtick()
712 rq_lock(rq, &rf); in hrtick()
713 update_rq_clock(rq); in hrtick()
714 rq->curr->sched_class->task_tick(rq, rq->curr, 1); in hrtick()
715 rq_unlock(rq, &rf); in hrtick()
722 static void __hrtick_restart(struct rq *rq) in __hrtick_restart() argument
724 struct hrtimer *timer = &rq->hrtick_timer; in __hrtick_restart()
725 ktime_t time = rq->hrtick_time; in __hrtick_restart()
735 struct rq *rq = arg; in __hrtick_start() local
738 rq_lock(rq, &rf); in __hrtick_start()
739 __hrtick_restart(rq); in __hrtick_start()
740 rq_unlock(rq, &rf); in __hrtick_start()
748 void hrtick_start(struct rq *rq, u64 delay) in hrtick_start() argument
750 struct hrtimer *timer = &rq->hrtick_timer; in hrtick_start()
758 rq->hrtick_time = ktime_add_ns(timer->base->get_time(), delta); in hrtick_start()
760 if (rq == this_rq()) in hrtick_start()
761 __hrtick_restart(rq); in hrtick_start()
763 smp_call_function_single_async(cpu_of(rq), &rq->hrtick_csd); in hrtick_start()
772 void hrtick_start(struct rq *rq, u64 delay) in hrtick_start() argument
779 hrtimer_start(&rq->hrtick_timer, ns_to_ktime(delay), in hrtick_start()
785 static void hrtick_rq_init(struct rq *rq) in hrtick_rq_init() argument
788 INIT_CSD(&rq->hrtick_csd, __hrtick_start, rq); in hrtick_rq_init()
790 hrtimer_init(&rq->hrtick_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD); in hrtick_rq_init()
791 rq->hrtick_timer.function = hrtick; in hrtick_rq_init()
794 static inline void hrtick_clear(struct rq *rq) in hrtick_clear() argument
798 static inline void hrtick_rq_init(struct rq *rq) in hrtick_rq_init() argument
965 void resched_curr(struct rq *rq) in resched_curr() argument
967 struct task_struct *curr = rq->curr; in resched_curr()
970 lockdep_assert_rq_held(rq); in resched_curr()
975 cpu = cpu_of(rq); in resched_curr()
991 struct rq *rq = cpu_rq(cpu); in resched_cpu() local
994 raw_spin_rq_lock_irqsave(rq, flags); in resched_cpu()
996 resched_curr(rq); in resched_cpu()
997 raw_spin_rq_unlock_irqrestore(rq, flags); in resched_cpu()
1057 struct rq *rq = cpu_rq(cpu); in wake_up_idle_cpu() local
1062 if (set_nr_and_not_polling(rq->idle)) in wake_up_idle_cpu()
1101 struct rq *rq = info; in nohz_csd_func() local
1102 int cpu = cpu_of(rq); in nohz_csd_func()
1111 rq->idle_balance = idle_cpu(cpu); in nohz_csd_func()
1112 if (rq->idle_balance && !need_resched()) { in nohz_csd_func()
1113 rq->nohz_idle_balance = flags; in nohz_csd_func()
1121 bool sched_can_stop_tick(struct rq *rq) in sched_can_stop_tick() argument
1126 if (rq->dl.dl_nr_running) in sched_can_stop_tick()
1133 if (rq->rt.rr_nr_running) { in sched_can_stop_tick()
1134 if (rq->rt.rr_nr_running == 1) in sched_can_stop_tick()
1144 fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running; in sched_can_stop_tick()
1153 if (rq->nr_running > 1) in sched_can_stop_tick()
1318 uclamp_idle_value(struct rq *rq, enum uclamp_id clamp_id, in uclamp_idle_value() argument
1327 rq->uclamp_flags |= UCLAMP_FLAG_IDLE; in uclamp_idle_value()
1334 static inline void uclamp_idle_reset(struct rq *rq, enum uclamp_id clamp_id, in uclamp_idle_reset() argument
1338 if (!(rq->uclamp_flags & UCLAMP_FLAG_IDLE)) in uclamp_idle_reset()
1341 WRITE_ONCE(rq->uclamp[clamp_id].value, clamp_value); in uclamp_idle_reset()
1345 unsigned int uclamp_rq_max_value(struct rq *rq, enum uclamp_id clamp_id, in uclamp_rq_max_value() argument
1348 struct uclamp_bucket *bucket = rq->uclamp[clamp_id].bucket; in uclamp_rq_max_value()
1362 return uclamp_idle_value(rq, clamp_id, clamp_value); in uclamp_rq_max_value()
1385 struct rq *rq; in uclamp_update_util_min_rt_default() local
1391 rq = task_rq_lock(p, &rf); in uclamp_update_util_min_rt_default()
1393 task_rq_unlock(rq, p, &rf); in uclamp_update_util_min_rt_default()
1494 static inline void uclamp_rq_inc_id(struct rq *rq, struct task_struct *p, in uclamp_rq_inc_id() argument
1497 struct uclamp_rq *uc_rq = &rq->uclamp[clamp_id]; in uclamp_rq_inc_id()
1501 lockdep_assert_rq_held(rq); in uclamp_rq_inc_id()
1510 uclamp_idle_reset(rq, clamp_id, uc_se->value); in uclamp_rq_inc_id()
1532 static inline void uclamp_rq_dec_id(struct rq *rq, struct task_struct *p, in uclamp_rq_dec_id() argument
1535 struct uclamp_rq *uc_rq = &rq->uclamp[clamp_id]; in uclamp_rq_dec_id()
1541 lockdep_assert_rq_held(rq); in uclamp_rq_dec_id()
1593 bkt_clamp = uclamp_rq_max_value(rq, clamp_id, uc_se->value); in uclamp_rq_dec_id()
1598 static inline void uclamp_rq_inc(struct rq *rq, struct task_struct *p) in uclamp_rq_inc() argument
1615 uclamp_rq_inc_id(rq, p, clamp_id); in uclamp_rq_inc()
1618 if (rq->uclamp_flags & UCLAMP_FLAG_IDLE) in uclamp_rq_inc()
1619 rq->uclamp_flags &= ~UCLAMP_FLAG_IDLE; in uclamp_rq_inc()
1622 static inline void uclamp_rq_dec(struct rq *rq, struct task_struct *p) in uclamp_rq_dec() argument
1639 uclamp_rq_dec_id(rq, p, clamp_id); in uclamp_rq_dec()
1642 static inline void uclamp_rq_reinc_id(struct rq *rq, struct task_struct *p, in uclamp_rq_reinc_id() argument
1648 uclamp_rq_dec_id(rq, p, clamp_id); in uclamp_rq_reinc_id()
1649 uclamp_rq_inc_id(rq, p, clamp_id); in uclamp_rq_reinc_id()
1655 if (clamp_id == UCLAMP_MAX && (rq->uclamp_flags & UCLAMP_FLAG_IDLE)) in uclamp_rq_reinc_id()
1656 rq->uclamp_flags &= ~UCLAMP_FLAG_IDLE; in uclamp_rq_reinc_id()
1664 struct rq *rq; in uclamp_update_active() local
1674 rq = task_rq_lock(p, &rf); in uclamp_update_active()
1683 uclamp_rq_reinc_id(rq, p, clamp_id); in uclamp_update_active()
1685 task_rq_unlock(rq, p, &rf); in uclamp_update_active()
1910 static void __init init_uclamp_rq(struct rq *rq) in init_uclamp_rq() argument
1913 struct uclamp_rq *uc_rq = rq->uclamp; in init_uclamp_rq()
1921 rq->uclamp_flags = UCLAMP_FLAG_IDLE; in init_uclamp_rq()
1950 static inline void uclamp_rq_inc(struct rq *rq, struct task_struct *p) { } in uclamp_rq_inc() argument
1951 static inline void uclamp_rq_dec(struct rq *rq, struct task_struct *p) { } in uclamp_rq_dec() argument
1988 static inline void enqueue_task(struct rq *rq, struct task_struct *p, int flags) in enqueue_task() argument
1991 update_rq_clock(rq); in enqueue_task()
1994 sched_info_enqueue(rq, p); in enqueue_task()
1998 uclamp_rq_inc(rq, p); in enqueue_task()
1999 p->sched_class->enqueue_task(rq, p, flags); in enqueue_task()
2001 if (sched_core_enabled(rq)) in enqueue_task()
2002 sched_core_enqueue(rq, p); in enqueue_task()
2005 static inline void dequeue_task(struct rq *rq, struct task_struct *p, int flags) in dequeue_task() argument
2007 if (sched_core_enabled(rq)) in dequeue_task()
2008 sched_core_dequeue(rq, p); in dequeue_task()
2011 update_rq_clock(rq); in dequeue_task()
2014 sched_info_dequeue(rq, p); in dequeue_task()
2018 uclamp_rq_dec(rq, p); in dequeue_task()
2019 p->sched_class->dequeue_task(rq, p, flags); in dequeue_task()
2022 void activate_task(struct rq *rq, struct task_struct *p, int flags) in activate_task() argument
2024 enqueue_task(rq, p, flags); in activate_task()
2029 void deactivate_task(struct rq *rq, struct task_struct *p, int flags) in deactivate_task() argument
2033 dequeue_task(rq, p, flags); in deactivate_task()
2100 static inline void check_class_changed(struct rq *rq, struct task_struct *p, in check_class_changed() argument
2106 prev_class->switched_from(rq, p); in check_class_changed()
2108 p->sched_class->switched_to(rq, p); in check_class_changed()
2110 p->sched_class->prio_changed(rq, p, oldprio); in check_class_changed()
2113 void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) in check_preempt_curr() argument
2115 if (p->sched_class == rq->curr->sched_class) in check_preempt_curr()
2116 rq->curr->sched_class->check_preempt_curr(rq, p, flags); in check_preempt_curr()
2117 else if (p->sched_class > rq->curr->sched_class) in check_preempt_curr()
2118 resched_curr(rq); in check_preempt_curr()
2124 if (task_on_rq_queued(rq->curr) && test_tsk_need_resched(rq->curr)) in check_preempt_curr()
2125 rq_clock_skip_update(rq); in check_preempt_curr()
2137 static void migrate_disable_switch(struct rq *rq, struct task_struct *p) in migrate_disable_switch() argument
2148 __do_set_cpus_allowed(p, cpumask_of(rq->cpu), SCA_MIGRATE_DISABLE); in migrate_disable_switch()
2195 static inline bool rq_has_pinned_tasks(struct rq *rq) in rq_has_pinned_tasks() argument
2197 return rq->nr_pinned; in rq_has_pinned_tasks()
2249 static struct rq *move_queued_task(struct rq *rq, struct rq_flags *rf, in move_queued_task() argument
2252 lockdep_assert_rq_held(rq); in move_queued_task()
2254 deactivate_task(rq, p, DEQUEUE_NOCLOCK); in move_queued_task()
2256 rq_unlock(rq, rf); in move_queued_task()
2258 rq = cpu_rq(new_cpu); in move_queued_task()
2260 rq_lock(rq, rf); in move_queued_task()
2262 activate_task(rq, p, 0); in move_queued_task()
2263 check_preempt_curr(rq, p, 0); in move_queued_task()
2265 return rq; in move_queued_task()
2295 static struct rq *__migrate_task(struct rq *rq, struct rq_flags *rf, in __migrate_task() argument
2300 return rq; in __migrate_task()
2302 update_rq_clock(rq); in __migrate_task()
2303 rq = move_queued_task(rq, rf, p, dest_cpu); in __migrate_task()
2305 return rq; in __migrate_task()
2318 struct rq *rq = this_rq(); in migration_cpu_stop() local
2335 rq_lock(rq, &rf); in migration_cpu_stop()
2348 if (task_rq(p) == rq) { in migration_cpu_stop()
2361 rq = __migrate_task(rq, &rf, p, arg->dest_cpu); in migration_cpu_stop()
2399 task_rq_unlock(rq, p, &rf); in migration_cpu_stop()
2407 task_rq_unlock(rq, p, &rf); in migration_cpu_stop()
2417 struct rq *lowest_rq = NULL, *rq = this_rq(); in push_cpu_stop() local
2421 raw_spin_rq_lock(rq); in push_cpu_stop()
2423 if (task_rq(p) != rq) in push_cpu_stop()
2434 lowest_rq = p->sched_class->find_lock_rq(p, rq); in push_cpu_stop()
2440 if (task_rq(p) == rq) { in push_cpu_stop()
2441 deactivate_task(rq, p, 0); in push_cpu_stop()
2447 double_unlock_balance(rq, lowest_rq); in push_cpu_stop()
2450 rq->push_busy = false; in push_cpu_stop()
2451 raw_spin_rq_unlock(rq); in push_cpu_stop()
2476 struct rq *rq = task_rq(p); in __do_set_cpus_allowed() local
2497 running = task_current(rq, p); in __do_set_cpus_allowed()
2504 lockdep_assert_rq_held(rq); in __do_set_cpus_allowed()
2505 dequeue_task(rq, p, DEQUEUE_SAVE | DEQUEUE_NOCLOCK); in __do_set_cpus_allowed()
2508 put_prev_task(rq, p); in __do_set_cpus_allowed()
2513 enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK); in __do_set_cpus_allowed()
2515 set_next_task(rq, p); in __do_set_cpus_allowed()
2627 static int affine_move_task(struct rq *rq, struct task_struct *p, struct rq_flags *rf, in affine_move_task() argument
2638 (p->migration_flags & MDF_PUSH) && !rq->push_busy) { in affine_move_task()
2639 rq->push_busy = true; in affine_move_task()
2653 task_rq_unlock(rq, p, rf); in affine_move_task()
2656 stop_one_cpu_nowait(rq->cpu, push_cpu_stop, in affine_move_task()
2657 p, &rq->push_work); in affine_move_task()
2707 task_rq_unlock(rq, p, rf); in affine_move_task()
2711 if (task_running(rq, p) || READ_ONCE(p->__state) == TASK_WAKING) { in affine_move_task()
2724 task_rq_unlock(rq, p, rf); in affine_move_task()
2727 stop_one_cpu_nowait(cpu_of(rq), migration_cpu_stop, in affine_move_task()
2737 rq = move_queued_task(rq, rf, p, dest_cpu); in affine_move_task()
2744 task_rq_unlock(rq, p, rf); in affine_move_task()
2773 struct rq *rq, in __set_cpus_allowed_ptr_locked() argument
2775 __releases(rq->lock) in __set_cpus_allowed_ptr_locked()
2785 update_rq_clock(rq); in __set_cpus_allowed_ptr_locked()
2843 ret = affine_move_task(rq, p, rf, dest_cpu, flags); in __set_cpus_allowed_ptr_locked()
2850 task_rq_unlock(rq, p, rf); in __set_cpus_allowed_ptr_locked()
2868 struct rq *rq; in __set_cpus_allowed_ptr() local
2870 rq = task_rq_lock(p, &rf); in __set_cpus_allowed_ptr()
2871 return __set_cpus_allowed_ptr_locked(p, new_mask, flags, rq, &rf); in __set_cpus_allowed_ptr()
2893 struct rq *rq; in restrict_cpus_allowed_ptr() local
2902 rq = task_rq_lock(p, &rf); in restrict_cpus_allowed_ptr()
2928 return __set_cpus_allowed_ptr_locked(p, new_mask, 0, rq, &rf); in restrict_cpus_allowed_ptr()
2931 task_rq_unlock(rq, p, &rf); in restrict_cpus_allowed_ptr()
3071 struct rq *src_rq, *dst_rq; in __migrate_swap_task()
3106 struct rq *src_rq, *dst_rq; in migrate_swap_stop()
3205 struct rq *rq; in wait_task_inactive() local
3214 rq = task_rq(p); in wait_task_inactive()
3227 while (task_running(rq, p)) { in wait_task_inactive()
3238 rq = task_rq_lock(p, &rf); in wait_task_inactive()
3240 running = task_running(rq, p); in wait_task_inactive()
3245 task_rq_unlock(rq, p, &rf); in wait_task_inactive()
3493 static inline void migrate_disable_switch(struct rq *rq, struct task_struct *p) { } in migrate_disable_switch() argument
3495 static inline bool rq_has_pinned_tasks(struct rq *rq) in rq_has_pinned_tasks() argument
3505 struct rq *rq; in ttwu_stat() local
3510 rq = this_rq(); in ttwu_stat()
3513 if (cpu == rq->cpu) { in ttwu_stat()
3514 __schedstat_inc(rq->ttwu_local); in ttwu_stat()
3521 for_each_domain(rq->cpu, sd) { in ttwu_stat()
3534 __schedstat_inc(rq->ttwu_count); in ttwu_stat()
3544 static void ttwu_do_wakeup(struct rq *rq, struct task_struct *p, int wake_flags, in ttwu_do_wakeup() argument
3547 check_preempt_curr(rq, p, wake_flags); in ttwu_do_wakeup()
3557 rq_unpin_lock(rq, rf); in ttwu_do_wakeup()
3558 p->sched_class->task_woken(rq, p); in ttwu_do_wakeup()
3559 rq_repin_lock(rq, rf); in ttwu_do_wakeup()
3562 if (rq->idle_stamp) { in ttwu_do_wakeup()
3563 u64 delta = rq_clock(rq) - rq->idle_stamp; in ttwu_do_wakeup()
3564 u64 max = 2*rq->max_idle_balance_cost; in ttwu_do_wakeup()
3566 update_avg(&rq->avg_idle, delta); in ttwu_do_wakeup()
3568 if (rq->avg_idle > max) in ttwu_do_wakeup()
3569 rq->avg_idle = max; in ttwu_do_wakeup()
3571 rq->wake_stamp = jiffies; in ttwu_do_wakeup()
3572 rq->wake_avg_idle = rq->avg_idle / 2; in ttwu_do_wakeup()
3574 rq->idle_stamp = 0; in ttwu_do_wakeup()
3580 ttwu_do_activate(struct rq *rq, struct task_struct *p, int wake_flags, in ttwu_do_activate() argument
3585 lockdep_assert_rq_held(rq); in ttwu_do_activate()
3588 rq->nr_uninterruptible--; in ttwu_do_activate()
3600 activate_task(rq, p, en_flags); in ttwu_do_activate()
3601 ttwu_do_wakeup(rq, p, wake_flags, rf); in ttwu_do_activate()
3632 struct rq *rq; in ttwu_runnable() local
3635 rq = __task_rq_lock(p, &rf); in ttwu_runnable()
3638 update_rq_clock(rq); in ttwu_runnable()
3639 ttwu_do_wakeup(rq, p, wake_flags, &rf); in ttwu_runnable()
3642 __task_rq_unlock(rq, &rf); in ttwu_runnable()
3651 struct rq *rq = this_rq(); in sched_ttwu_pending() local
3663 WRITE_ONCE(rq->ttwu_pending, 0); in sched_ttwu_pending()
3665 rq_lock_irqsave(rq, &rf); in sched_ttwu_pending()
3666 update_rq_clock(rq); in sched_ttwu_pending()
3672 if (WARN_ON_ONCE(task_cpu(p) != cpu_of(rq))) in sched_ttwu_pending()
3673 set_task_cpu(p, cpu_of(rq)); in sched_ttwu_pending()
3675 ttwu_do_activate(rq, p, p->sched_remote_wakeup ? WF_MIGRATED : 0, &rf); in sched_ttwu_pending()
3678 rq_unlock_irqrestore(rq, &rf); in sched_ttwu_pending()
3683 struct rq *rq = cpu_rq(cpu); in send_call_function_single_ipi() local
3685 if (!set_nr_if_polling(rq->idle)) in send_call_function_single_ipi()
3699 struct rq *rq = cpu_rq(cpu); in __ttwu_queue_wakelist() local
3703 WRITE_ONCE(rq->ttwu_pending, 1); in __ttwu_queue_wakelist()
3709 struct rq *rq = cpu_rq(cpu); in wake_up_if_idle() local
3714 if (!is_idle_task(rcu_dereference(rq->curr))) in wake_up_if_idle()
3717 rq_lock_irqsave(rq, &rf); in wake_up_if_idle()
3718 if (is_idle_task(rq->curr)) in wake_up_if_idle()
3719 resched_curr(rq); in wake_up_if_idle()
3721 rq_unlock_irqrestore(rq, &rf); in wake_up_if_idle()
3788 struct rq *rq = cpu_rq(cpu); in ttwu_queue() local
3794 rq_lock(rq, &rf); in ttwu_queue()
3795 update_rq_clock(rq); in ttwu_queue()
3796 ttwu_do_activate(rq, p, wake_flags, &rf); in ttwu_queue()
3797 rq_unlock(rq, &rf); in ttwu_queue()
4146 struct rq *rq = NULL; in task_call_func() local
4169 rq = __task_rq_lock(p, &rf); in task_call_func()
4183 if (rq) in task_call_func()
4184 rq_unlock(rq, &rf); in task_call_func()
4480 struct rq *rq; in wake_up_new_task() local
4497 rq = __task_rq_lock(p, &rf); in wake_up_new_task()
4498 update_rq_clock(rq); in wake_up_new_task()
4501 activate_task(rq, p, ENQUEUE_NOCLOCK); in wake_up_new_task()
4503 check_preempt_curr(rq, p, WF_FORK); in wake_up_new_task()
4510 rq_unpin_lock(rq, &rf); in wake_up_new_task()
4511 p->sched_class->task_woken(rq, p); in wake_up_new_task()
4512 rq_repin_lock(rq, &rf); in wake_up_new_task()
4515 task_rq_unlock(rq, p, &rf); in wake_up_new_task()
4638 static void do_balance_callbacks(struct rq *rq, struct callback_head *head) in do_balance_callbacks() argument
4640 void (*func)(struct rq *rq); in do_balance_callbacks()
4643 lockdep_assert_rq_held(rq); in do_balance_callbacks()
4646 func = (void (*)(struct rq *))head->func; in do_balance_callbacks()
4651 func(rq); in do_balance_callbacks()
4655 static void balance_push(struct rq *rq);
4662 static inline struct callback_head *splice_balance_callbacks(struct rq *rq) in splice_balance_callbacks() argument
4664 struct callback_head *head = rq->balance_callback; in splice_balance_callbacks()
4666 lockdep_assert_rq_held(rq); in splice_balance_callbacks()
4668 rq->balance_callback = NULL; in splice_balance_callbacks()
4673 static void __balance_callbacks(struct rq *rq) in __balance_callbacks() argument
4675 do_balance_callbacks(rq, splice_balance_callbacks(rq)); in __balance_callbacks()
4678 static inline void balance_callbacks(struct rq *rq, struct callback_head *head) in balance_callbacks() argument
4683 raw_spin_rq_lock_irqsave(rq, flags); in balance_callbacks()
4684 do_balance_callbacks(rq, head); in balance_callbacks()
4685 raw_spin_rq_unlock_irqrestore(rq, flags); in balance_callbacks()
4691 static inline void __balance_callbacks(struct rq *rq) in __balance_callbacks() argument
4695 static inline struct callback_head *splice_balance_callbacks(struct rq *rq) in splice_balance_callbacks() argument
4700 static inline void balance_callbacks(struct rq *rq, struct callback_head *head) in balance_callbacks() argument
4707 prepare_lock_switch(struct rq *rq, struct task_struct *next, struct rq_flags *rf) in prepare_lock_switch() argument
4715 rq_unpin_lock(rq, rf); in prepare_lock_switch()
4716 spin_release(&__rq_lockp(rq)->dep_map, _THIS_IP_); in prepare_lock_switch()
4719 rq_lockp(rq)->owner = next; in prepare_lock_switch()
4723 static inline void finish_lock_switch(struct rq *rq) in finish_lock_switch() argument
4730 spin_acquire(&__rq_lockp(rq)->dep_map, 0, 0, _THIS_IP_); in finish_lock_switch()
4731 __balance_callbacks(rq); in finish_lock_switch()
4732 raw_spin_rq_unlock_irq(rq); in finish_lock_switch()
4777 prepare_task_switch(struct rq *rq, struct task_struct *prev, in prepare_task_switch() argument
4781 sched_info_switch(rq, prev, next); in prepare_task_switch()
4809 static struct rq *finish_task_switch(struct task_struct *prev) in finish_task_switch()
4810 __releases(rq->lock) in finish_task_switch()
4812 struct rq *rq = this_rq(); in finish_task_switch() local
4813 struct mm_struct *mm = rq->prev_mm; in finish_task_switch()
4832 rq->prev_mm = NULL; in finish_task_switch()
4850 finish_lock_switch(rq); in finish_task_switch()
4889 return rq; in finish_task_switch()
4897 __releases(rq->lock) in schedule_tail()
4920 static __always_inline struct rq *
4921 context_switch(struct rq *rq, struct task_struct *prev, in context_switch() argument
4924 prepare_task_switch(rq, prev, next); in context_switch()
4949 membarrier_switch_mm(rq, prev->active_mm, next->mm); in context_switch()
4962 rq->prev_mm = prev->active_mm; in context_switch()
4967 rq->clock_update_flags &= ~(RQCF_ACT_SKIP|RQCF_REQ_SKIP); in context_switch()
4969 prepare_lock_switch(rq, next, rf); in context_switch()
5137 struct rq *rq; in task_sched_runtime() local
5156 rq = task_rq_lock(p, &rf); in task_sched_runtime()
5162 if (task_current(rq, p) && task_on_rq_queued(p)) { in task_sched_runtime()
5164 update_rq_clock(rq); in task_sched_runtime()
5165 p->sched_class->update_curr(rq); in task_sched_runtime()
5168 task_rq_unlock(rq, p, &rf); in task_sched_runtime()
5174 static u64 cpu_resched_latency(struct rq *rq) in cpu_resched_latency() argument
5177 u64 resched_latency, now = rq_clock(rq); in cpu_resched_latency()
5189 if (!rq->last_seen_need_resched_ns) { in cpu_resched_latency()
5190 rq->last_seen_need_resched_ns = now; in cpu_resched_latency()
5191 rq->ticks_without_resched = 0; in cpu_resched_latency()
5195 rq->ticks_without_resched++; in cpu_resched_latency()
5196 resched_latency = now - rq->last_seen_need_resched_ns; in cpu_resched_latency()
5219 static inline u64 cpu_resched_latency(struct rq *rq) { return 0; } in cpu_resched_latency() argument
5229 struct rq *rq = cpu_rq(cpu); in scheduler_tick() local
5230 struct task_struct *curr = rq->curr; in scheduler_tick()
5238 rq_lock(rq, &rf); in scheduler_tick()
5240 update_rq_clock(rq); in scheduler_tick()
5241 thermal_pressure = arch_scale_thermal_pressure(cpu_of(rq)); in scheduler_tick()
5242 update_thermal_load_avg(rq_clock_thermal(rq), rq, thermal_pressure); in scheduler_tick()
5243 curr->sched_class->task_tick(rq, curr, 0); in scheduler_tick()
5245 resched_latency = cpu_resched_latency(rq); in scheduler_tick()
5246 calc_global_load_tick(rq); in scheduler_tick()
5248 rq_unlock(rq, &rf); in scheduler_tick()
5256 rq->idle_balance = idle_cpu(cpu); in scheduler_tick()
5257 trigger_load_balance(rq); in scheduler_tick()
5303 struct rq *rq = cpu_rq(cpu); in sched_tick_remote() local
5319 rq_lock_irq(rq, &rf); in sched_tick_remote()
5320 curr = rq->curr; in sched_tick_remote()
5324 update_rq_clock(rq); in sched_tick_remote()
5331 delta = rq_clock_task(rq) - curr->se.exec_start; in sched_tick_remote()
5334 curr->sched_class->task_tick(rq, curr, 0); in sched_tick_remote()
5336 calc_load_nohz_remote(rq); in sched_tick_remote()
5338 rq_unlock_irq(rq, &rf); in sched_tick_remote()
5553 static void put_prev_task_balance(struct rq *rq, struct task_struct *prev, in put_prev_task_balance() argument
5567 if (class->balance(rq, prev, rf)) in put_prev_task_balance()
5572 put_prev_task(rq, prev); in put_prev_task_balance()
5579 __pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) in __pick_next_task() argument
5591 rq->nr_running == rq->cfs.h_nr_running)) { in __pick_next_task()
5593 p = pick_next_task_fair(rq, prev, rf); in __pick_next_task()
5599 put_prev_task(rq, prev); in __pick_next_task()
5600 p = pick_next_task_idle(rq); in __pick_next_task()
5607 put_prev_task_balance(rq, prev, rf); in __pick_next_task()
5610 p = class->pick_next_task(rq); in __pick_next_task()
5637 static inline struct task_struct *pick_task(struct rq *rq) in pick_task() argument
5643 p = class->pick_task(rq); in pick_task()
5651 extern void task_vruntime_update(struct rq *rq, struct task_struct *p, bool in_fi);
5654 pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) in pick_next_task() argument
5661 struct rq *rq_i; in pick_next_task()
5664 if (!sched_core_enabled(rq)) in pick_next_task()
5665 return __pick_next_task(rq, prev, rf); in pick_next_task()
5667 cpu = cpu_of(rq); in pick_next_task()
5676 rq->core_pick = NULL; in pick_next_task()
5677 return __pick_next_task(rq, prev, rf); in pick_next_task()
5689 if (rq->core->core_pick_seq == rq->core->core_task_seq && in pick_next_task()
5690 rq->core->core_pick_seq != rq->core_sched_seq && in pick_next_task()
5691 rq->core_pick) { in pick_next_task()
5692 WRITE_ONCE(rq->core_sched_seq, rq->core->core_pick_seq); in pick_next_task()
5694 next = rq->core_pick; in pick_next_task()
5696 put_prev_task(rq, prev); in pick_next_task()
5697 set_next_task(rq, next); in pick_next_task()
5700 rq->core_pick = NULL; in pick_next_task()
5704 put_prev_task_balance(rq, prev, rf); in pick_next_task()
5707 need_sync = !!rq->core->core_cookie; in pick_next_task()
5710 rq->core->core_cookie = 0UL; in pick_next_task()
5711 if (rq->core->core_forceidle) { in pick_next_task()
5714 rq->core->core_forceidle = false; in pick_next_task()
5727 rq->core->core_task_seq++; in pick_next_task()
5734 next = pick_task(rq); in pick_next_task()
5736 rq->core_pick = NULL; in pick_next_task()
5742 task_vruntime_update(rq, next, false); in pick_next_task()
5764 cookie = rq->core->core_cookie = max->core_cookie; in pick_next_task()
5786 rq->core->core_forceidle = true; in pick_next_task()
5788 rq->core->core_forceidle_seq++; in pick_next_task()
5795 rq->core->core_pick_seq = rq->core->core_task_seq; in pick_next_task()
5796 next = rq->core_pick; in pick_next_task()
5797 rq->core_sched_seq = rq->core->core_pick_seq; in pick_next_task()
5831 if (!(fi_before && rq->core->core_forceidle)) in pick_next_task()
5832 task_vruntime_update(rq_i, rq_i->core_pick, rq->core->core_forceidle); in pick_next_task()
5853 set_next_task(rq, next); in pick_next_task()
5859 struct rq *dst = cpu_rq(this), *src = cpu_rq(that); in try_steal_cookie()
5926 static void sched_core_balance(struct rq *rq) in sched_core_balance() argument
5929 int cpu = cpu_of(rq); in sched_core_balance()
5933 raw_spin_rq_unlock_irq(rq); in sched_core_balance()
5941 raw_spin_rq_lock_irq(rq); in sched_core_balance()
5948 void queue_core_balance(struct rq *rq) in queue_core_balance() argument
5950 if (!sched_core_enabled(rq)) in queue_core_balance()
5953 if (!rq->core->core_cookie) in queue_core_balance()
5956 if (!rq->nr_running) /* not forced idle */ in queue_core_balance()
5959 queue_balance_callback(rq, &per_cpu(core_balance_head, rq->cpu), sched_core_balance); in queue_core_balance()
5965 struct rq *rq = cpu_rq(cpu), *core_rq = NULL; in sched_core_cpu_starting() local
5971 WARN_ON_ONCE(rq->core != rq); in sched_core_cpu_starting()
5981 rq = cpu_rq(t); in sched_core_cpu_starting()
5982 if (rq->core == rq) { in sched_core_cpu_starting()
5983 core_rq = rq; in sched_core_cpu_starting()
5993 rq = cpu_rq(t); in sched_core_cpu_starting()
5996 rq->core = core_rq; in sched_core_cpu_starting()
5998 WARN_ON_ONCE(rq->core != core_rq); in sched_core_cpu_starting()
6008 struct rq *rq = cpu_rq(cpu), *core_rq = NULL; in sched_core_cpu_deactivate() local
6016 WARN_ON_ONCE(rq->core != rq); in sched_core_cpu_deactivate()
6021 if (rq->core != rq) in sched_core_cpu_deactivate()
6036 core_rq->core_task_seq = rq->core_task_seq; in sched_core_cpu_deactivate()
6037 core_rq->core_pick_seq = rq->core_pick_seq; in sched_core_cpu_deactivate()
6038 core_rq->core_cookie = rq->core_cookie; in sched_core_cpu_deactivate()
6039 core_rq->core_forceidle = rq->core_forceidle; in sched_core_cpu_deactivate()
6040 core_rq->core_forceidle_seq = rq->core_forceidle_seq; in sched_core_cpu_deactivate()
6044 rq = cpu_rq(t); in sched_core_cpu_deactivate()
6045 rq->core = core_rq; in sched_core_cpu_deactivate()
6054 struct rq *rq = cpu_rq(cpu); in sched_core_cpu_dying() local
6056 if (rq->core != rq) in sched_core_cpu_dying()
6057 rq->core = rq; in sched_core_cpu_dying()
6067 pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) in pick_next_task() argument
6069 return __pick_next_task(rq, prev, rf); in pick_next_task()
6137 struct rq *rq; in __schedule() local
6141 rq = cpu_rq(cpu); in __schedule()
6142 prev = rq->curr; in __schedule()
6147 hrtick_clear(rq); in __schedule()
6167 rq_lock(rq, &rf); in __schedule()
6171 rq->clock_update_flags <<= 1; in __schedule()
6172 update_rq_clock(rq); in __schedule()
6194 rq->nr_uninterruptible++; in __schedule()
6207 deactivate_task(rq, prev, DEQUEUE_SLEEP | DEQUEUE_NOCLOCK); in __schedule()
6210 atomic_inc(&rq->nr_iowait); in __schedule()
6217 next = pick_next_task(rq, prev, &rf); in __schedule()
6221 rq->last_seen_need_resched_ns = 0; in __schedule()
6225 rq->nr_switches++; in __schedule()
6230 RCU_INIT_POINTER(rq->curr, next); in __schedule()
6247 migrate_disable_switch(rq, prev); in __schedule()
6253 rq = context_switch(rq, prev, next, &rf); in __schedule()
6255 rq->clock_update_flags &= ~(RQCF_ACT_SKIP|RQCF_REQ_SKIP); in __schedule()
6257 rq_unpin_lock(rq, &rf); in __schedule()
6258 __balance_callbacks(rq); in __schedule()
6259 raw_spin_rq_unlock_irq(rq); in __schedule()
6730 struct rq *rq; in rt_mutex_setprio() local
6741 rq = __task_rq_lock(p, &rf); in rt_mutex_setprio()
6742 update_rq_clock(rq); in rt_mutex_setprio()
6773 if (unlikely(p == rq->idle)) { in rt_mutex_setprio()
6774 WARN_ON(p != rq->curr); in rt_mutex_setprio()
6787 running = task_current(rq, p); in rt_mutex_setprio()
6789 dequeue_task(rq, p, queue_flag); in rt_mutex_setprio()
6791 put_prev_task(rq, p); in rt_mutex_setprio()
6826 enqueue_task(rq, p, queue_flag); in rt_mutex_setprio()
6828 set_next_task(rq, p); in rt_mutex_setprio()
6830 check_class_changed(rq, p, prev_class, oldprio); in rt_mutex_setprio()
6835 rq_unpin_lock(rq, &rf); in rt_mutex_setprio()
6836 __balance_callbacks(rq); in rt_mutex_setprio()
6837 raw_spin_rq_unlock(rq); in rt_mutex_setprio()
6853 struct rq *rq; in set_user_nice() local
6861 rq = task_rq_lock(p, &rf); in set_user_nice()
6862 update_rq_clock(rq); in set_user_nice()
6875 running = task_current(rq, p); in set_user_nice()
6877 dequeue_task(rq, p, DEQUEUE_SAVE | DEQUEUE_NOCLOCK); in set_user_nice()
6879 put_prev_task(rq, p); in set_user_nice()
6887 enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK); in set_user_nice()
6889 set_next_task(rq, p); in set_user_nice()
6895 p->sched_class->prio_changed(rq, p, old_prio); in set_user_nice()
6898 task_rq_unlock(rq, p, &rf); in set_user_nice()
6976 struct rq *rq = cpu_rq(cpu); in idle_cpu() local
6978 if (rq->curr != rq->idle) in idle_cpu()
6981 if (rq->nr_running) in idle_cpu()
6985 if (rq->ttwu_pending) in idle_cpu()
7046 struct rq *rq = cpu_rq(cpu); in effective_cpu_util() local
7049 type == FREQUENCY_UTIL && rt_rq_is_runnable(&rq->rt)) { in effective_cpu_util()
7058 irq = cpu_util_irq(rq); in effective_cpu_util()
7074 util = util_cfs + cpu_util_rt(rq); in effective_cpu_util()
7076 util = uclamp_rq_util_with(rq, util, p); in effective_cpu_util()
7078 dl_util = cpu_util_dl(rq); in effective_cpu_util()
7122 util += cpu_bw_dl(rq); in effective_cpu_util()
7203 struct rq *rq; in __sched_setscheduler() local
7310 rq = task_rq_lock(p, &rf); in __sched_setscheduler()
7311 update_rq_clock(rq); in __sched_setscheduler()
7316 if (p == rq->stop) { in __sched_setscheduler()
7357 cpumask_t *span = rq->rd->span; in __sched_setscheduler()
7365 rq->rd->dl_bw.bw == 0) { in __sched_setscheduler()
7376 task_rq_unlock(rq, p, &rf); in __sched_setscheduler()
7410 running = task_current(rq, p); in __sched_setscheduler()
7412 dequeue_task(rq, p, queue_flags); in __sched_setscheduler()
7414 put_prev_task(rq, p); in __sched_setscheduler()
7432 enqueue_task(rq, p, queue_flags); in __sched_setscheduler()
7435 set_next_task(rq, p); in __sched_setscheduler()
7437 check_class_changed(rq, p, prev_class, oldprio); in __sched_setscheduler()
7441 head = splice_balance_callbacks(rq); in __sched_setscheduler()
7442 task_rq_unlock(rq, p, &rf); in __sched_setscheduler()
7450 balance_callbacks(rq, head); in __sched_setscheduler()
7456 task_rq_unlock(rq, p, &rf); in __sched_setscheduler()
8100 struct rq *rq; in do_sched_yield() local
8102 rq = this_rq_lock_irq(&rf); in do_sched_yield()
8104 schedstat_inc(rq->yld_count); in do_sched_yield()
8105 current->sched_class->yield_task(rq); in do_sched_yield()
8108 rq_unlock_irq(rq, &rf); in do_sched_yield()
8277 struct rq *rq, *p_rq; in yield_to() local
8282 rq = this_rq(); in yield_to()
8290 if (rq->nr_running == 1 && p_rq->nr_running == 1) { in yield_to()
8295 double_rq_lock(rq, p_rq); in yield_to()
8297 double_rq_unlock(rq, p_rq); in yield_to()
8310 yielded = curr->sched_class->yield_to_task(rq, p); in yield_to()
8312 schedstat_inc(rq->yld_count); in yield_to()
8317 if (preempt && rq != p_rq) in yield_to()
8322 double_rq_unlock(rq, p_rq); in yield_to()
8434 struct rq *rq; in sched_rr_get_interval() local
8450 rq = task_rq_lock(p, &rf); in sched_rr_get_interval()
8453 time_slice = p->sched_class->get_rr_interval(rq, p); in sched_rr_get_interval()
8454 task_rq_unlock(rq, p, &rf); in sched_rr_get_interval()
8597 struct rq *rq = cpu_rq(cpu); in init_idle() local
8611 raw_spin_rq_lock(rq); in init_idle()
8645 rq->idle = idle; in init_idle()
8646 rcu_assign_pointer(rq->curr, idle); in init_idle()
8651 raw_spin_rq_unlock(rq); in init_idle()
8739 struct rq *rq; in sched_setnuma() local
8741 rq = task_rq_lock(p, &rf); in sched_setnuma()
8743 running = task_current(rq, p); in sched_setnuma()
8746 dequeue_task(rq, p, DEQUEUE_SAVE); in sched_setnuma()
8748 put_prev_task(rq, p); in sched_setnuma()
8753 enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK); in sched_setnuma()
8755 set_next_task(rq, p); in sched_setnuma()
8756 task_rq_unlock(rq, p, &rf); in sched_setnuma()
8783 struct rq *rq = this_rq(); in __balance_push_cpu_stop() local
8788 rq_lock(rq, &rf); in __balance_push_cpu_stop()
8790 update_rq_clock(rq); in __balance_push_cpu_stop()
8792 if (task_rq(p) == rq && task_on_rq_queued(p)) { in __balance_push_cpu_stop()
8793 cpu = select_fallback_rq(rq->cpu, p); in __balance_push_cpu_stop()
8794 rq = __migrate_task(rq, &rf, p, cpu); in __balance_push_cpu_stop()
8797 rq_unlock(rq, &rf); in __balance_push_cpu_stop()
8813 static void balance_push(struct rq *rq) in balance_push() argument
8815 struct task_struct *push_task = rq->curr; in balance_push()
8817 lockdep_assert_rq_held(rq); in balance_push()
8822 rq->balance_callback = &balance_push_callback; in balance_push()
8828 if (!cpu_dying(rq->cpu) || rq != this_rq()) in balance_push()
8849 if (!rq->nr_running && !rq_has_pinned_tasks(rq) && in balance_push()
8850 rcuwait_active(&rq->hotplug_wait)) { in balance_push()
8851 raw_spin_rq_unlock(rq); in balance_push()
8852 rcuwait_wake_up(&rq->hotplug_wait); in balance_push()
8853 raw_spin_rq_lock(rq); in balance_push()
8863 raw_spin_rq_unlock(rq); in balance_push()
8864 stop_one_cpu_nowait(rq->cpu, __balance_push_cpu_stop, push_task, in balance_push()
8871 raw_spin_rq_lock(rq); in balance_push()
8876 struct rq *rq = cpu_rq(cpu); in balance_push_set() local
8879 rq_lock_irqsave(rq, &rf); in balance_push_set()
8881 WARN_ON_ONCE(rq->balance_callback); in balance_push_set()
8882 rq->balance_callback = &balance_push_callback; in balance_push_set()
8883 } else if (rq->balance_callback == &balance_push_callback) { in balance_push_set()
8884 rq->balance_callback = NULL; in balance_push_set()
8886 rq_unlock_irqrestore(rq, &rf); in balance_push_set()
8897 struct rq *rq = this_rq(); in balance_hotplug_wait() local
8899 rcuwait_wait_event(&rq->hotplug_wait, in balance_hotplug_wait()
8900 rq->nr_running == 1 && !rq_has_pinned_tasks(rq), in balance_hotplug_wait()
8906 static inline void balance_push(struct rq *rq) in balance_push() argument
8920 void set_rq_online(struct rq *rq) in set_rq_online() argument
8922 if (!rq->online) { in set_rq_online()
8925 cpumask_set_cpu(rq->cpu, rq->rd->online); in set_rq_online()
8926 rq->online = 1; in set_rq_online()
8930 class->rq_online(rq); in set_rq_online()
8935 void set_rq_offline(struct rq *rq) in set_rq_offline() argument
8937 if (rq->online) { in set_rq_offline()
8942 class->rq_offline(rq); in set_rq_offline()
8945 cpumask_clear_cpu(rq->cpu, rq->rd->online); in set_rq_offline()
8946 rq->online = 0; in set_rq_offline()
9000 struct rq *rq = cpu_rq(cpu); in sched_cpu_activate() local
9032 rq_lock_irqsave(rq, &rf); in sched_cpu_activate()
9033 if (rq->rd) { in sched_cpu_activate()
9034 BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span)); in sched_cpu_activate()
9035 set_rq_online(rq); in sched_cpu_activate()
9037 rq_unlock_irqrestore(rq, &rf); in sched_cpu_activate()
9044 struct rq *rq = cpu_rq(cpu); in sched_cpu_deactivate() local
9052 nohz_balance_exit_idle(rq); in sched_cpu_deactivate()
9076 rq_lock_irqsave(rq, &rf); in sched_cpu_deactivate()
9077 if (rq->rd) { in sched_cpu_deactivate()
9078 update_rq_clock(rq); in sched_cpu_deactivate()
9079 BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span)); in sched_cpu_deactivate()
9080 set_rq_offline(rq); in sched_cpu_deactivate()
9082 rq_unlock_irqrestore(rq, &rf); in sched_cpu_deactivate()
9109 struct rq *rq = cpu_rq(cpu); in sched_rq_cpu_starting() local
9111 rq->calc_load_update = calc_load_update; in sched_rq_cpu_starting()
9151 static void calc_load_migrate(struct rq *rq) in calc_load_migrate() argument
9153 long delta = calc_load_fold_active(rq, 1); in calc_load_migrate()
9159 static void dump_rq_tasks(struct rq *rq, const char *loglvl) in dump_rq_tasks() argument
9162 int cpu = cpu_of(rq); in dump_rq_tasks()
9164 lockdep_assert_rq_held(rq); in dump_rq_tasks()
9166 printk("%sCPU%d enqueued tasks (%u total):\n", loglvl, cpu, rq->nr_running); in dump_rq_tasks()
9180 struct rq *rq = cpu_rq(cpu); in sched_cpu_dying() local
9186 rq_lock_irqsave(rq, &rf); in sched_cpu_dying()
9187 if (rq->nr_running != 1 || rq_has_pinned_tasks(rq)) { in sched_cpu_dying()
9189 dump_rq_tasks(rq, KERN_WARNING); in sched_cpu_dying()
9191 rq_unlock_irqrestore(rq, &rf); in sched_cpu_dying()
9193 calc_load_migrate(rq); in sched_cpu_dying()
9195 hrtick_clear(rq); in sched_cpu_dying()
9336 struct rq *rq; in sched_init() local
9338 rq = cpu_rq(i); in sched_init()
9339 raw_spin_lock_init(&rq->__lock); in sched_init()
9340 rq->nr_running = 0; in sched_init()
9341 rq->calc_load_active = 0; in sched_init()
9342 rq->calc_load_update = jiffies + LOAD_FREQ; in sched_init()
9343 init_cfs_rq(&rq->cfs); in sched_init()
9344 init_rt_rq(&rq->rt); in sched_init()
9345 init_dl_rq(&rq->dl); in sched_init()
9347 INIT_LIST_HEAD(&rq->leaf_cfs_rq_list); in sched_init()
9348 rq->tmp_alone_branch = &rq->leaf_cfs_rq_list; in sched_init()
9368 init_tg_cfs_entry(&root_task_group, &rq->cfs, NULL, i, NULL); in sched_init()
9371 rq->rt.rt_runtime = def_rt_bandwidth.rt_runtime; in sched_init()
9373 init_tg_rt_entry(&root_task_group, &rq->rt, NULL, i, NULL); in sched_init()
9376 rq->sd = NULL; in sched_init()
9377 rq->rd = NULL; in sched_init()
9378 rq->cpu_capacity = rq->cpu_capacity_orig = SCHED_CAPACITY_SCALE; in sched_init()
9379 rq->balance_callback = &balance_push_callback; in sched_init()
9380 rq->active_balance = 0; in sched_init()
9381 rq->next_balance = jiffies; in sched_init()
9382 rq->push_cpu = 0; in sched_init()
9383 rq->cpu = i; in sched_init()
9384 rq->online = 0; in sched_init()
9385 rq->idle_stamp = 0; in sched_init()
9386 rq->avg_idle = 2*sysctl_sched_migration_cost; in sched_init()
9387 rq->wake_stamp = jiffies; in sched_init()
9388 rq->wake_avg_idle = rq->avg_idle; in sched_init()
9389 rq->max_idle_balance_cost = sysctl_sched_migration_cost; in sched_init()
9391 INIT_LIST_HEAD(&rq->cfs_tasks); in sched_init()
9393 rq_attach_root(rq, &def_root_domain); in sched_init()
9395 rq->last_blocked_load_update_tick = jiffies; in sched_init()
9396 atomic_set(&rq->nohz_flags, 0); in sched_init()
9398 INIT_CSD(&rq->nohz_csd, nohz_csd_func, rq); in sched_init()
9401 rcuwait_init(&rq->hotplug_wait); in sched_init()
9404 hrtick_rq_init(rq); in sched_init()
9405 atomic_set(&rq->nr_iowait, 0); in sched_init()
9408 rq->core = rq; in sched_init()
9409 rq->core_pick = NULL; in sched_init()
9410 rq->core_enabled = 0; in sched_init()
9411 rq->core_tree = RB_ROOT; in sched_init()
9412 rq->core_forceidle = false; in sched_init()
9414 rq->core_cookie = 0UL; in sched_init()
9846 struct rq *rq; in sched_move_task() local
9848 rq = task_rq_lock(tsk, &rf); in sched_move_task()
9849 update_rq_clock(rq); in sched_move_task()
9851 running = task_current(rq, tsk); in sched_move_task()
9855 dequeue_task(rq, tsk, queue_flags); in sched_move_task()
9857 put_prev_task(rq, tsk); in sched_move_task()
9862 enqueue_task(rq, tsk, queue_flags); in sched_move_task()
9864 set_next_task(rq, tsk); in sched_move_task()
9870 resched_curr(rq); in sched_move_task()
9873 task_rq_unlock(rq, tsk, &rf); in sched_move_task()
9944 struct rq *rq; in cpu_cgroup_fork() local
9946 rq = task_rq_lock(task, &rf); in cpu_cgroup_fork()
9948 update_rq_clock(rq); in cpu_cgroup_fork()
9951 task_rq_unlock(rq, task, &rf); in cpu_cgroup_fork()
10266 struct rq *rq = cfs_rq->rq; in tg_set_cfs_bandwidth() local
10269 rq_lock_irq(rq, &rf); in tg_set_cfs_bandwidth()
10275 rq_unlock_irq(rq, &rf); in tg_set_cfs_bandwidth()
10877 void call_trace_sched_update_nr_running(struct rq *rq, int count) in call_trace_sched_update_nr_running() argument
10879 trace_sched_update_nr_running_tp(rq, count); in call_trace_sched_update_nr_running()