Implement consumer ring buffer position sampling
[lttng-tools.git] / src / bin / lttng-sessiond / consumer.h
index 08b57eb73b6a7e932e57a8b1dae0ffea2a9bfc8f..77bc2b1f12b8cf6c08a7fc402a953be4ce86a296 100644 (file)
@@ -93,6 +93,11 @@ struct consumer_data {
        int err_sock;
        /* These two sockets uses the cmd_unix_sock_path. */
        int cmd_sock;
+       /*
+        * Write-end of the channel monitoring pipe to be passed to the
+        * consumer.
+        */
+       int channel_monitor_pipe;
        /*
         * The metadata socket object is handled differently and only created
         * locally in this object thus it's the only reference available in the
@@ -214,6 +219,8 @@ int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
                struct lttcomm_relayd_sock *rsock, struct consumer_output *consumer,
                enum lttng_stream_type type, uint64_t session_id,
                char *session_name, char *hostname, int session_live_timer);
+int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
+               int pipe);
 int consumer_send_destroy_relayd(struct consumer_socket *sock,
                struct consumer_output *consumer);
 int consumer_recv_status_reply(struct consumer_socket *sock);
@@ -232,6 +239,7 @@ void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg,
                unsigned int switch_timer_interval,
                unsigned int read_timer_interval,
                unsigned int live_timer_interval,
+               unsigned int monitor_timer_interval,
                int output,
                int type,
                uint64_t session_id,
@@ -273,7 +281,8 @@ void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
                uint64_t tracefile_size,
                uint64_t tracefile_count,
                unsigned int monitor,
-               unsigned int live_timer_interval);
+               unsigned int live_timer_interval,
+               unsigned int monitor_timer_interval);
 int consumer_is_data_pending(uint64_t session_id,
                struct consumer_output *consumer);
 int consumer_close_metadata(struct consumer_socket *socket,
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