-int _ltt_trace_setup(const char *trace_name);
-int ltt_trace_setup(const char *trace_name);
-struct ltt_trace *_ltt_trace_find_setup(const char *trace_name);
-int ltt_trace_set_type(const char *trace_name, const char *trace_type);
-int ltt_trace_set_channel_subbufsize(const char *trace_name,
- const char *channel_name,
- unsigned int size);
-int ltt_trace_set_channel_subbufcount(const char *trace_name,
- const char *channel_name,
- unsigned int cnt);
-int ltt_trace_set_channel_switch_timer(const char *trace_name,
- const char *channel_name,
- unsigned long interval);
-int ltt_trace_set_channel_overwrite(const char *trace_name,
- const char *channel_name,
- unsigned int overwrite);
-int ltt_trace_alloc(const char *trace_name);
-int ltt_trace_destroy(const char *trace_name);
-int ltt_trace_start(const char *trace_name);
-int ltt_trace_stop(const char *trace_name);
-
-extern int ltt_control(enum ltt_control_msg msg, const char *trace_name,
- const char *trace_type, union ltt_control_args args);
-
-enum ltt_filter_control_msg {
- LTT_FILTER_DEFAULT_ACCEPT,
- LTT_FILTER_DEFAULT_REJECT
-};
-
-extern int ltt_filter_control(enum ltt_filter_control_msg msg,
- const char *trace_name);
-
-extern struct dentry *get_filter_root(void);
-