syscall_regfunc    91 include/linux/tracepoint.h extern int syscall_regfunc(void);
syscall_regfunc    39 include/trace/events/syscalls.h 	syscall_regfunc, syscall_unregfunc
syscall_regfunc    63 include/trace/events/syscalls.h 	syscall_regfunc, syscall_unregfunc