-int get_trace_count_per_session(struct ltt_session *session);
-void get_traces_per_session(struct ltt_session *session, struct lttng_trace *traces);
-int ust_create_trace(struct command_ctx *cmd_ctx);
-int ust_start_trace(struct command_ctx *cmd_ctx);
-int ust_stop_trace(struct command_ctx *cmd_ctx);
+/*
+ * Function prototype
+ */
+
+/* Kernel session */
+struct ltt_kernel_session *trace_create_kernel_session(void);
+
+/* Kernel channel */
+struct ltt_kernel_channel *trace_create_kernel_channel(void);
+
+/* Kernel event */
+struct ltt_kernel_event *trace_create_kernel_event(char *name,
+ enum lttng_kernel_instrumentation type);
+
+/* Kernel metadata */
+struct ltt_kernel_metadata *trace_create_kernel_metadata(void);
+
+/* Kernel stream */
+struct ltt_kernel_stream *trace_create_kernel_stream(void);