X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer-timer.c;h=65c9fd3c285bb9803b3110663b0dd107c9ef0d04;hb=05fe4783b5689c239d1ddb09df44192948d7e395;hp=b867a35bf0d6e9d44da62698fa366f7e06bd2d70;hpb=ede905e6eaae860f598ff852ce1aa5bf3a78f679;p=lttng-tools.git

diff --git a/src/common/consumer-timer.c b/src/common/consumer-timer.c
index b867a35bf..65c9fd3c2 100644
--- a/src/common/consumer-timer.c
+++ b/src/common/consumer-timer.c
@@ -113,12 +113,14 @@ static void metadata_switch_timer(struct lttng_consumer_local_data *ctx,
 	}
 }
 
-static int send_empty_index(struct lttng_consumer_stream *stream, uint64_t ts)
+static int send_empty_index(struct lttng_consumer_stream *stream, uint64_t ts,
+		uint64_t stream_id)
 {
 	int ret;
 	struct ctf_packet_index index;
 
 	memset(&index, 0, sizeof(index));
+	index.stream_id = htobe64(stream_id);
 	index.timestamp_end = htobe64(ts);
 	ret = consumer_stream_write_index(stream, &index);
 	if (ret < 0) {
@@ -131,7 +133,7 @@ error:
 
 static int check_kernel_stream(struct lttng_consumer_stream *stream)
 {
-	uint64_t ts;
+	uint64_t ts, stream_id;
 	int ret;
 
 	/*
@@ -154,13 +156,18 @@ static int check_kernel_stream(struct lttng_consumer_stream *stream)
 	}
 	ret = kernctl_snapshot(stream->wait_fd);
 	if (ret < 0) {
-		if (errno != EAGAIN) {
-			ERR("Taking kernel snapshot");
+		if (errno != EAGAIN && errno != ENODATA) {
+			PERROR("live timer kernel snapshot");
 			ret = -1;
 			goto error_unlock;
 		}
+		ret = kernctl_get_stream_id(stream->wait_fd, &stream_id);
+		if (ret < 0) {
+			PERROR("kernctl_get_stream_id");
+			goto error_unlock;
+		}
 		DBG("Stream %" PRIu64 " empty, sending beacon", stream->key);
-		ret = send_empty_index(stream, ts);
+		ret = send_empty_index(stream, ts, stream_id);
 		if (ret < 0) {
 			goto error_unlock;
 		}
@@ -174,7 +181,7 @@ error_unlock:
 
 static int check_ust_stream(struct lttng_consumer_stream *stream)
 {
-	uint64_t ts;
+	uint64_t ts, stream_id;
 	int ret;
 
 	assert(stream);
@@ -205,8 +212,13 @@ static int check_ust_stream(struct lttng_consumer_stream *stream)
 			ret = -1;
 			goto error_unlock;
 		}
+		ret = lttng_ustconsumer_get_stream_id(stream, &stream_id);
+		if (ret < 0) {
+			PERROR("ustctl_get_stream_id");
+			goto error_unlock;
+		}
 		DBG("Stream %" PRIu64 " empty, sending beacon", stream->key);
-		ret = send_empty_index(stream, ts);
+		ret = send_empty_index(stream, ts, stream_id);
 		if (ret < 0) {
 			goto error_unlock;
 		}