perf_event_for_each

Name:perf_event_for_each

Proto:static void perf_event_for_each(struct perf_event *event, void (*func)(struct perf_event *))

Type:void

Parameter:

Type	Parameter	Name
struct perf_event *	event
void (*	func

5126

ctx = ctx

5129

lockdep_assert_held( & Protect the list of events. Locking either mutex or lock* is sufficient to ensure the list doesn't change; to change* the list you need to lock both the mutex and the spinlock.)

5131

event = group_leader

5133

Holding the top-level event's child_mutex means that any* descendant process that has inherited this event will block* in perf_event_exit_event() if it goes to exit, thus satisfying the* task existence requirements of perf_event_enable/disable.

5134

for_each_sibling_event(sibling, event)

5135

Holding the top-level event's child_mutex means that any* descendant process that has inherited this event will block* in perf_event_exit_event() if it goes to exit, thus satisfying the* task existence requirements of perf_event_enable/disable.

**Caller**
Name	Describe
_perf_ioctl

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