__ftrace_vbprintk  793 include/linux/kernel.h 		__ftrace_vbprintk(_THIS_IP_, trace_printk_fmt, vargs);	\
__ftrace_vbprintk  799 include/linux/kernel.h __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap);
__ftrace_vbprintk  228 kernel/trace/trace_printk.c EXPORT_SYMBOL_GPL(__ftrace_vbprintk);