get_tracing_file
char *path = get_tracing_file("events");
char *path = get_tracing_file("events");
char *get_tracing_file(const char *name);
file = get_tracing_file(name);
path = get_tracing_file(dirname);
file = get_tracing_file("set_ftrace_pid");
char *events_dir_path = get_tracing_file("events");
path = get_tracing_file("events");
path = get_tracing_file("printk_formats");
path = get_tracing_file("saved_cmdlines");