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 */
/* Metadata cache is metadata channel */
struct consumer_metadata_cache *metadata_cache;
+
/* For UST metadata periodical flush */
int switch_timer_enabled;
timer_t switch_timer;
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;
* 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;
/* 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.
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;
};
/*
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.
*/
*/
void lttng_consumer_cleanup(void);
-/*
- * Flush pending writes to trace output disk file.
- */
-void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
- off_t orig_offset);
-
/*
* Poll on the should_quit pipe and the command socket return -1 on error and
* should exit, 0 if data is available on the command socket