Время последнего запуска ХП или ХФ
SELECT
qt.[text] AS [SP Name],
qs.last_execution_time,
qs.execution_count AS [Execution Count]
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
WHERE
qt.dbid = DB_ID()
AND qt.text LIKE '%'
--AND objectid = OBJECT_ID('YourProc')