sched_dl_global_validate

Name:sched_dl_global_validate

Proto:int sched_dl_global_validate(void)

Type:int

Parameter:Nothing

2465

runtime = global_rt_runtime()

2466

period = global_rt_period()

2467

new_bw = to_ratio(period, runtime)

2469

ret = 0

2481

for_each_possible_cpu(cpu)

2482

_read_lock_sched() - mark the beginning of a RCU-sched critical section* This is equivalent of rcu_read_lock(), but disables preemption.* Read-side critical sections can also be introduced by anything else

2483

dl_b = dl_bw_of(cpu)

2485

raw_spin_lock_irqsave( & lock, flags)

2486

If new_bw < total_bw Then ret = -EBUSY

2488

raw_spin_unlock_irqrestore( & lock, flags)

2490

_read_unlock_sched - marks the end of a RCU-classic critical section* See rcu_read_lock_sched for more information.

2492

If ret Then Break

2496

Return ret

**Caller**
Name	Describe
sched_rt_handler

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