+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+ uint64_t *ts);
+int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream,
+ uint64_t *seq);
+int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
+ uint64_t *id);
+
+/* returns whether UST has perf counters support. */
+int ustctl_has_perf_counters(void);
+
+/* Regenerate the statedump. */
+int ustctl_regenerate_statedump(int sock, int handle);