create_lttng_session_ok $SESSION_NAME $TRACE_PATH
-enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
-start_lttng_tracing $SESSION_NAME
+enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+start_lttng_tracing_ok $SESSION_NAME
touch ${file_sync_before_last}