__ftrace_vprintk  795 include/linux/kernel.h 		__ftrace_vprintk(_THIS_IP_, fmt, vargs);		\
__ftrace_vprintk  802 include/linux/kernel.h __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap);
__ftrace_vprintk  252 kernel/trace/trace_printk.c EXPORT_SYMBOL_GPL(__ftrace_vprintk);