SELECT
	T.[Data]
FROM
	(SELECT 
		CONVERT(xml, target_data) AS [data]
	FROM sys.dm_xe_sessions AS s 
	JOIN sys.dm_xe_session_targets AS t 
		ON t.event_session_address = s.address
	WHERE s.name = 'RDT1C_{ИмяСессии}_{ИдентификаторСессии}'
		AND t.target_name = N'ring_buffer') AS T