ring_buffer_wakeup

Name:ring_buffer_wakeup

Proto:static void ring_buffer_wakeup(struct perf_event *event)

Type:void

Parameter:

Type	Parameter	Name
struct perf_event *	event

5614

_read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other

5615

rb = fetch RCU-protected pointer for dereferencing(rb)

5616

If rb Then

5617

list_for_each_entry_rcu - iterate over rcu list of given type*@pos: the type * to use as a loop cursor.*@head: the head for your list.*@member: the name of the list_head within the struct.(event, & event_list, rb_entry)

5618

wake_up_all( & waitq)

5620

_read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()

**Caller**
Name	Describe
perf_event_wakeup

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