FTRACE_BUG_NOP   1973 kernel/trace/ftrace.c 	case FTRACE_BUG_NOP:
FTRACE_BUG_NOP   2145 kernel/trace/ftrace.c 	ftrace_bug_type = FTRACE_BUG_NOP;
FTRACE_BUG_NOP   2386 kernel/trace/ftrace.c 		ftrace_bug_type = FTRACE_BUG_NOP;