X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.c;h=321703a5157305104f855a3834a55ddf81434bc5;hp=7911a5b4e8d4d0701d40e88d3ebdd6841c4061af;hb=c7a78aabfa0491974d4ffc188d72eb1e67c7344e;hpb=fb83fe64f250bec7416f18891a8264450c61ead3

diff --git a/src/common/consumer/consumer.c b/src/common/consumer/consumer.c
index 7911a5b4e..321703a51 100644
--- a/src/common/consumer/consumer.c
+++ b/src/common/consumer/consumer.c
@@ -1232,6 +1232,7 @@ void lttng_consumer_should_exit(struct lttng_consumer_local_data *ctx)
 void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
 		off_t orig_offset)
 {
+	int ret;
 	int outfd = stream->out_fd;
 
 	/*
@@ -1262,8 +1263,11 @@ void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
 	 * defined. So it can be expected to lead to lower throughput in
 	 * streaming.
 	 */
-	posix_fadvise(outfd, orig_offset - stream->max_sb_size,
+	ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size,
 			stream->max_sb_size, POSIX_FADV_DONTNEED);
+	if (ret) {
+		WARN("posix_fadvise() error (%i)", ret);
+	}
 }
 
 /*
@@ -1556,6 +1560,16 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap(
 		if (stream->metadata_flag) {
 			/* Metadata requires the control socket. */
 			pthread_mutex_lock(&relayd->ctrl_sock_mutex);
+			if (stream->reset_metadata_flag) {
+				ret = relayd_reset_metadata(&relayd->control_sock,
+						stream->relayd_stream_id,
+						stream->metadata_version);
+				if (ret < 0) {
+					relayd_hang_up = 1;
+					goto write_error;
+				}
+				stream->reset_metadata_flag = 0;
+			}
 			netlen += sizeof(struct lttcomm_relayd_metadata_payload);
 		}
 
@@ -1579,6 +1593,15 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap(
 		/* No streaming, we have to set the len with the full padding */
 		len += padding;
 
+		if (stream->metadata_flag && stream->reset_metadata_flag) {
+			ret = utils_truncate_stream_file(stream->out_fd, 0);
+			if (ret < 0) {
+				ERR("Reset metadata file");
+				goto end;
+			}
+			stream->reset_metadata_flag = 0;
+		}
+
 		/*
 		 * Check if we need to change the tracefile before writing the packet.
 		 */
@@ -1744,6 +1767,16 @@ ssize_t lttng_consumer_on_read_subbuffer_splice(
 			 */
 			pthread_mutex_lock(&relayd->ctrl_sock_mutex);
 
+			if (stream->reset_metadata_flag) {
+				ret = relayd_reset_metadata(&relayd->control_sock,
+						stream->relayd_stream_id,
+						stream->metadata_version);
+				if (ret < 0) {
+					relayd_hang_up = 1;
+					goto write_error;
+				}
+				stream->reset_metadata_flag = 0;
+			}
 			ret = write_relayd_metadata_id(splice_pipe[1], stream, relayd,
 					padding);
 			if (ret < 0) {
@@ -1767,6 +1800,14 @@ ssize_t lttng_consumer_on_read_subbuffer_splice(
 		/* No streaming, we have to set the len with the full padding */
 		len += padding;
 
+		if (stream->metadata_flag && stream->reset_metadata_flag) {
+			ret = utils_truncate_stream_file(stream->out_fd, 0);
+			if (ret < 0) {
+				ERR("Reset metadata file");
+				goto end;
+			}
+			stream->reset_metadata_flag = 0;
+		}
 		/*
 		 * Check if we need to change the tracefile before writing the packet.
 		 */
@@ -2224,10 +2265,10 @@ restart:
 		DBG("Metadata poll return from wait with %d fd(s)",
 				LTTNG_POLL_GETNB(&events));
 		health_poll_exit();
-		DBG("Metadata event catched in thread");
+		DBG("Metadata event caught in thread");
 		if (ret < 0) {
 			if (errno == EINTR) {
-				ERR("Poll EINTR catched");
+				ERR("Poll EINTR caught");
 				goto restart;
 			}
 			if (LTTNG_POLL_GETNB(&events) == 0) {
@@ -2807,10 +2848,10 @@ restart:
 		DBG("Channel poll return from wait with %d fd(s)",
 				LTTNG_POLL_GETNB(&events));
 		health_poll_exit();
-		DBG("Channel event catched in thread");
+		DBG("Channel event caught in thread");
 		if (ret < 0) {
 			if (errno == EINTR) {
-				ERR("Poll EINTR catched");
+				ERR("Poll EINTR caught");
 				goto restart;
 			}
 			if (LTTNG_POLL_GETNB(&events) == 0) {