ftrace_update_record  535 arch/x86/kernel/ftrace.c 	ret = ftrace_update_record(rec, enable);
ftrace_update_record  430 include/linux/ftrace.h int ftrace_update_record(struct dyn_ftrace *rec, bool enable);
ftrace_update_record 2373 kernel/trace/ftrace.c 	ret = ftrace_update_record(rec, enable);