ftrace_set_early_filter  449 include/linux/ftrace.h ftrace_set_early_filter(struct ftrace_ops *ops, char *buf, int enable);
ftrace_set_early_filter 5008 kernel/trace/ftrace.c 		ftrace_set_early_filter(&global_ops, ftrace_filter_buf, 1);
ftrace_set_early_filter 5010 kernel/trace/ftrace.c 		ftrace_set_early_filter(&global_ops, ftrace_notrace_buf, 0);
ftrace_set_early_filter  576 kernel/trace/trace_stack.c 		ftrace_set_early_filter(&trace_ops, stack_trace_filter_buf, 1);