DEFINE_TRACE_FN   222 include/linux/tracepoint.h 	DEFINE_TRACE_FN(name, NULL, NULL);
DEFINE_TRACE_FN    41 include/trace/define_trace.h 	DEFINE_TRACE_FN(name, reg, unreg)
DEFINE_TRACE_FN    49 include/trace/define_trace.h 	DEFINE_TRACE_FN(name, reg, unreg)