X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-ctl.h;h=be2b00eea640b4795c787aa0260a4200bd6fb201;hb=c9b22e40b850709413adb7a61380115d6e616a10;hp=f83124d11bbd9276100642dff9a4041a0ac892bc;hpb=ad73be87196c524ea03003a7cb5ba033b2b8a097;p=lttng-ust.git

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index f83124d1..be2b00ee 100644
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -240,6 +240,12 @@ void ustctl_flush_buffer(struct ustctl_consumer_stream *stream,
 		int producer_active);
 
 /* index */
+
+/*
+ * Getters which need to be used on the current packet (between get/put
+ * or get_next/put_next.
+ */
+
 int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream,
 		uint64_t *timestamp_begin);
 int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
@@ -250,15 +256,26 @@ int ustctl_get_content_size(struct ustctl_consumer_stream *stream,
 	uint64_t *content_size);
 int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
 	uint64_t *packet_size);
-int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
-		uint64_t *stream_id);
-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);
+
+/*
+ * Getter returning state invariant for the stream, which can be used
+ * without "get" operation.
+ */
+
+int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
+		uint64_t *stream_id);
 int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
 		uint64_t *id);
 
+/*
+ * Getter returning the current timestamp as perceived from the
+ * tracer.
+ */
+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+		uint64_t *ts);
+
 /* returns whether UST has perf counters support. */
 int ustctl_has_perf_counters(void);