__unregister_trace_event 2066 kernel/trace/trace_events.c 		__unregister_trace_event(&call->event);
__unregister_trace_event  799 kernel/trace/trace_output.c 	__unregister_trace_event(event);
__unregister_trace_event   32 kernel/trace/trace_output.h extern int __unregister_trace_event(struct trace_event *event);