Fix: send per-pid session id in channel creation

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

diff --git a/src/common/consumer.h b/src/common/consumer.h
index b4c9aeafd135002c189a1c27e50a5c29a9cc53b2..ca567d7ff8844dcdb99b5aab0bb20bf4897e4256 100644 (file)
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -54,6 +54,8 @@ enum lttng_consumer_command {
        LTTNG_CONSUMER_CLOSE_METADATA,
        LTTNG_CONSUMER_SETUP_METADATA,
        LTTNG_CONSUMER_FLUSH_CHANNEL,
+       LTTNG_CONSUMER_SNAPSHOT_CHANNEL,
+       LTTNG_CONSUMER_SNAPSHOT_METADATA,
 };
 
 /* State of each fd in consumer */
@@ -104,6 +106,11 @@ struct lttng_consumer_channel {
        int refcount;
        /* Tracing session id on the session daemon side. */
        uint64_t session_id;
+       /*
+        * Session id when requesting metadata to the session daemon for
+        * a session with per-PID buffers.
+        */
+       uint64_t session_id_per_pid;
        /* Channel trace file path name. */
        char pathname[PATH_MAX];
        /* Channel name. */
@@ -132,6 +139,13 @@ struct lttng_consumer_channel {
         * LTTNG_CONSUMER_GET_CHANNEL.
         */
        struct stream_list streams;
+
+       /*
+        * List of streams in no monitor mode for this channel. Used ONLY for
+        * snapshots recording.
+        */
+       struct stream_list stream_no_monitor_list;
+
        /*
         * Set if the channel is metadata. We keep a reference to the stream
         * because we have to flush data once pushed by the session daemon. For a
@@ -154,6 +168,12 @@ struct lttng_consumer_channel {
        /* On-disk circular buffer */
        uint64_t tracefile_size;
        uint64_t tracefile_count;
+       /*
+        * Monitor or not the streams of this channel meaning this indicates if the
+        * streams should be sent to the data/metadata thread or added to the no
+        * monitor list of the channel.
+        */
+       unsigned int monitor;
 };
 
 /*
@@ -245,6 +265,9 @@ struct lttng_consumer_stream {
        /* On-disk circular buffer */
        uint64_t tracefile_size_current;
        uint64_t tracefile_count_current;
+
+       /* Node for the no monitor stream list in a channel. */
+       struct cds_list_head no_monitor_node;
 };
 
 /*
@@ -474,7 +497,9 @@ struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
                uint64_t relayd_id,
                enum lttng_event_output output,
                uint64_t tracefile_size,
-               uint64_t tracefile_count);
+               uint64_t tracefile_count,
+               uint64_t session_id_per_pid,
+               unsigned int monitor);
 void consumer_del_stream(struct lttng_consumer_stream *stream,
                struct lttng_ht *ht);
 void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,