30 DEFINE_MUTEX(event_mutex);
298 	mutex_lock(&event_mutex);  in trace_event_enable_cmd_record()
312 	mutex_unlock(&event_mutex);  in trace_event_enable_cmd_record()
420 	mutex_lock(&event_mutex);  in ftrace_clear_events()
424 	mutex_unlock(&event_mutex);  in ftrace_clear_events()
472 	mutex_lock(&event_mutex);  in put_system()
474 	mutex_unlock(&event_mutex);  in put_system()
558 	mutex_lock(&event_mutex);  in __ftrace_set_clr_event()
560 	mutex_unlock(&event_mutex);  in __ftrace_set_clr_event()
700 	mutex_lock(&event_mutex);  in t_start()
733 	mutex_lock(&event_mutex);  in s_start()
758 	mutex_unlock(&event_mutex);  in t_stop()
769 	mutex_lock(&event_mutex);  in event_enable_read()
773 	mutex_unlock(&event_mutex);  in event_enable_read()
811 		mutex_lock(&event_mutex);  in event_enable_write()
815 		mutex_unlock(&event_mutex);  in event_enable_write()
841 	mutex_lock(&event_mutex);  in system_enable_read()
863 	mutex_unlock(&event_mutex);  in system_enable_read()
1007 	mutex_lock(&event_mutex);  in f_start()
1019 	mutex_unlock(&event_mutex);  in f_stop()
1080 	mutex_lock(&event_mutex);  in event_filter_read()
1084 	mutex_unlock(&event_mutex);  in event_filter_read()
1116 	mutex_lock(&event_mutex);  in event_filter_write()
1120 	mutex_unlock(&event_mutex);  in event_filter_write()
1145 	mutex_lock(&event_mutex);  in subsystem_open()
1159 	mutex_unlock(&event_mutex);  in subsystem_open()
1904 	mutex_lock(&event_mutex);  in trace_add_event_call()
1910 	mutex_unlock(&event_mutex);  in trace_add_event_call()
1966 	mutex_lock(&event_mutex);  in trace_remove_event_call()
1970 	mutex_unlock(&event_mutex);  in trace_remove_event_call()
2039 	mutex_lock(&event_mutex);  in trace_module_notify()
2048 	mutex_unlock(&event_mutex);  in trace_module_notify()
2257 	mutex_lock(&event_mutex);  in event_enable_func()
2328 	mutex_unlock(&event_mutex);  in event_enable_func()
2497 	mutex_lock(&event_mutex);  in event_trace_add_tracer()
2508 	mutex_unlock(&event_mutex);  in event_trace_add_tracer()
2522 	mutex_lock(&event_mutex);  in early_event_add_tracer()
2533 	mutex_unlock(&event_mutex);  in early_event_add_tracer()
2540 	mutex_lock(&event_mutex);  in event_trace_del_tracer()
2558 	mutex_unlock(&event_mutex);  in event_trace_del_tracer()