ftrace_notrace_buf 4916 kernel/trace/ftrace.c static char ftrace_notrace_buf[FTRACE_FILTER_SIZE] __initdata; ftrace_notrace_buf 4925 kernel/trace/ftrace.c strlcpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE); ftrace_notrace_buf 5009 kernel/trace/ftrace.c if (ftrace_notrace_buf[0]) ftrace_notrace_buf 5010 kernel/trace/ftrace.c ftrace_set_early_filter(&global_ops, ftrace_notrace_buf, 0);