X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;fp=src%2Fbin%2Flttng-relayd%2Flive.c;h=ddad925cba1af2b189238963970f3ec830c3605c;hb=4b35f204c2955f8fdeb205a399727dd7d794d2fd;hp=75c0227079d714f0230016af4e3c1cd72c240f17;hpb=1a10a4c15204f8aa2e955021100da443414dc6fb;p=lttng-tools.git

diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c
index 75c022707..ddad925cb 100644
--- a/src/bin/lttng-relayd/live.c
+++ b/src/bin/lttng-relayd/live.c
@@ -1000,10 +1000,19 @@ int viewer_get_new_streams(struct relay_connection *conn)
 		goto send_reply;
 	}
 
+	/*
+	 * For any new stream, create it with LTTNG_VIEWER_SEEK_BEGINNING since
+	 * that at this point the client is already attached to the session.Aany
+	 * initial stream will have been created with the seek type at attach
+	 * time (for now most readers use the LTTNG_VIEWER_SEEK_LAST on attach).
+	 * Otherwise any event happening in a new stream between the attach and
+	 * a call to viewer_get_new_streams will be "lost" (never received) from
+	 * the viewer's point of view.
+	 */
 	pthread_mutex_lock(&session->lock);
 	ret = make_viewer_streams(session,
 			conn->viewer_session->current_trace_chunk,
-			LTTNG_VIEWER_SEEK_LAST, &nb_total, &nb_unsent,
+			LTTNG_VIEWER_SEEK_BEGINNING, &nb_total, &nb_unsent,
 			&nb_created, &closed);
 	if (ret < 0) {
 		goto error_unlock_session;