问用于Reporting Services的SQL事件探查器和优化顾问-应选择哪些事件？

EN

                                        declare @BatchID uniqueidentifier

                                        set @BatchID = NEWID()

                                        UPDATE [Event] WITH (TABLOCKX)
                                            SET [BatchID] = @BatchID,
                                            [ProcessStart] = GETUTCDATE(),
                                            [ProcessHeartbeat] = GETUTCDATE()
                                        FROM (
                                            SELECT TOP 8 [EventID] FROM [Event] WITH (TABLOCKX) WHERE [ProcessStart] is NULL ORDER BY [TimeEntered]
                                            ) AS t1
                                        WHERE [Event].[EventID] = t1.[EventID]

                                        select top 8
                                            E.[EventID],
                                            E.[EventType],
                                            E.[EventData]
                                        from
                                            [Event] E WITH (TABLOCKX)
                                        where
                                            [BatchID] = @BatchID
                                        ORDER BY [TimeEntered]