X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-ring-buffer-client.h;fp=lttng-ring-buffer-client.h;h=4fffab981affbd2064bc2724bb03eabe67f0acc5;hb=5594698f9c8ad13e0964c67946d1867df7757dae;hp=34493333bcc8a0055db535cf262a319e09b92021;hpb=5b3cf4f924befda843a7736daf84f8ecae5e86a4;p=lttng-modules.git

diff --git a/lttng-ring-buffer-client.h b/lttng-ring-buffer-client.h
index 34493333..4fffab98 100644
--- a/lttng-ring-buffer-client.h
+++ b/lttng-ring-buffer-client.h
@@ -57,6 +57,7 @@ struct packet_header {
 					 */
 	uint8_t uuid[16];
 	uint32_t stream_id;
+	uint64_t stream_instance_id;
 
 	struct {
 		/* Stream packet context */
@@ -352,6 +353,7 @@ static void client_buffer_begin(struct lib_ring_buffer *buf, u64 tsc,
 	header->magic = CTF_MAGIC_NUMBER;
 	memcpy(header->uuid, session->uuid.b, sizeof(session->uuid));
 	header->stream_id = lttng_chan->id;
+	header->stream_instance_id = buf->backend.cpu;
 	header->ctx.timestamp_begin = tsc;
 	header->ctx.timestamp_end = 0;
 	header->ctx.content_size = ~0ULL; /* for debugging */
@@ -485,6 +487,17 @@ static int client_sequence_number(const struct lib_ring_buffer_config *config,
 	return 0;
 }
 
+static
+int client_instance_id(const struct lib_ring_buffer_config *config,
+		struct lib_ring_buffer *buf,
+		uint64_t *id)
+{
+	struct packet_header *header = client_packet_header(config, buf);
+	*id = header->stream_instance_id;
+
+	return 0;
+}
+
 static const struct lib_ring_buffer_config client_config = {
 	.cb.ring_buffer_clock_read = client_ring_buffer_clock_read,
 	.cb.record_header_size = client_record_header_size,
@@ -716,6 +729,7 @@ static struct lttng_transport lttng_relay_transport = {
 		.stream_id = client_stream_id,
 		.current_timestamp = client_current_timestamp,
 		.sequence_number = client_sequence_number,
+		.instance_id = client_instance_id,
 	},
 };