+static inline
+struct agent *trace_ust_find_agent(struct ltt_ust_session *session,
+ enum lttng_domain_type domain_type)
+{
+ return NULL;
+}
+static inline int trace_ust_track_id(enum lttng_tracker_type tracker_type,
+ struct ltt_ust_session *session,
+ const struct lttng_tracker_id *id)
+{
+ return 0;
+}
+static inline int trace_ust_untrack_id(enum lttng_tracker_type tracker_type,
+ struct ltt_ust_session *session,
+ const struct lttng_tracker_id *id)
+{
+ return 0;
+}
+static inline int trace_ust_id_tracker_lookup(
+ enum lttng_tracker_type tracker_type,
+ struct ltt_ust_session *session,
+ int pid)
+{
+ return 0;
+}
+static inline int trace_ust_list_tracker_ids(
+ enum lttng_tracker_type tracker_type,
+ struct ltt_ust_session *session,
+ struct lttng_tracker_ids **_ids)
+{
+ return -1;
+}