X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.h;h=6a38e50e55a0a5a9b8c3d6eea784a718379b594d;hb=f05a6b6d56e3ff5a7fed1db2ef630665ca6f4c56;hp=256ea1976016feffcf805d5d5bd0df3d8598a2bf;hpb=5199ffc42ddba932175270f7620664358bd1e18f;p=lttng-tools.git

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index 256ea1976..6a38e50e5 100644
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -61,6 +61,7 @@ enum lttng_consumer_command {
 	LTTNG_CONSUMER_DISCARDED_EVENTS,
 	LTTNG_CONSUMER_LOST_PACKETS,
 	LTTNG_CONSUMER_CLEAR_QUIESCENT_CHANNEL,
+	LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE,
 };
 
 /* State of each fd in consumer */
@@ -160,6 +161,7 @@ struct lttng_consumer_channel {
 
 	/* Metadata cache is metadata channel */
 	struct consumer_metadata_cache *metadata_cache;
+
 	/* For UST metadata periodical flush */
 	int switch_timer_enabled;
 	timer_t switch_timer;
@@ -170,6 +172,10 @@ struct lttng_consumer_channel {
 	timer_t live_timer;
 	int live_timer_error;
 
+	/* For channel monitoring timer. */
+	int monitor_timer_enabled;
+	timer_t monitor_timer;
+
 	/* On-disk circular buffer */
 	uint64_t tracefile_size;
 	uint64_t tracefile_count;
@@ -337,9 +343,9 @@ struct lttng_consumer_stream {
 	 * Lock to use the stream FDs since they are used between threads.
 	 *
 	 * This is nested INSIDE the consumer_data lock.
-	 * This is nested INSIDE the metadata cache lock.
 	 * This is nested INSIDE the channel lock.
 	 * This is nested INSIDE the channel timer lock.
+	 * This is nested OUTSIDE the metadata cache lock.
 	 * This is nested OUTSIDE consumer_relayd_sock_pair lock.
 	 */
 	pthread_mutex_t lock;
@@ -390,9 +396,9 @@ struct lttng_consumer_stream {
 	/* Copy of the sequence number of the last packet extracted. */
 	uint64_t last_sequence_number;
 	/*
-	 * FD of the index file for this stream.
+	 * Index file object of the index file for this stream.
 	 */
-	int index_fd;
+	struct lttng_index_file *index_file;
 
 	/*
 	 * Local pipe to extract data when using splice.
@@ -539,6 +545,11 @@ struct lttng_consumer_local_data {
 	int consumer_should_quit[2];
 	/* Metadata poll thread pipe. Transfer metadata stream to it */
 	struct lttng_pipe *consumer_metadata_pipe;
+	/*
+	 * Pipe used by the channel monitoring timers to provide state samples
+	 * to the session daemon (write-only).
+	 */
+	int channel_monitor_pipe;
 };
 
 /*
@@ -591,6 +602,9 @@ struct lttng_consumer_global_data {
 	struct lttng_ht *stream_per_chan_id_ht;
 };
 
+/* Flag used to temporarily pause data consumption from testpoints. */
+extern int data_consumption_paused;
+
 /*
  * Init consumer data structures.
  */