Extract the lost packets and discarded events counters

[lttng-tools.git] / src / common / consumer / consumer.h

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index c7ef3fb38317a795b5d9f7bc394a708619108966..3af7db9136f3b011eef851397a2747ac86878ce2 100644 (file)
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -58,6 +58,8 @@ enum lttng_consumer_command {
        LTTNG_CONSUMER_SNAPSHOT_CHANNEL,
        LTTNG_CONSUMER_SNAPSHOT_METADATA,
        LTTNG_CONSUMER_STREAMS_SENT,
        LTTNG_CONSUMER_SNAPSHOT_CHANNEL,
        LTTNG_CONSUMER_SNAPSHOT_METADATA,
        LTTNG_CONSUMER_STREAMS_SENT,

+       LTTNG_CONSUMER_DISCARDED_EVENTS,
+       LTTNG_CONSUMER_LOST_PACKETS,

 };
 
 /* State of each fd in consumer */
 };
 
 /* State of each fd in consumer */


@@ -211,6 +213,10 @@ struct lttng_consumer_channel {
        int nr_stream_fds;
        char root_shm_path[PATH_MAX];
        char shm_path[PATH_MAX];
        int nr_stream_fds;
        char root_shm_path[PATH_MAX];
        char shm_path[PATH_MAX];

+       /* Total number of discarded events for that channel. */
+       uint64_t discarded_events;
+       /* Total number of missed packets due to overwriting (overwrite). */
+       uint64_t lost_packets;

 };
 
 /*
 };
 
 /*


@@ -351,6 +357,13 @@ struct lttng_consumer_stream {
         * to the channel.
         */
        uint64_t ust_metadata_pushed;
         * to the channel.
         */
        uint64_t ust_metadata_pushed;

+       /*
+        * Copy of the last discarded event value to detect the overflow of
+        * the counter.
+        */
+       uint64_t last_discarded_events;
+       /* Copy of the sequence number of the last packet extracted. */
+       uint64_t last_sequence_number;

        /*
         * FD of the index file for this stream.
         */
        /*
         * FD of the index file for this stream.
         */