性能检测参考SQL语句

Posted 2021-01-25 linybo

/****** Object:  StoredProcedure [dbo].[SP_CPU]    Script Date: 12/09/2018 19:01:24 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE Proc [dbo].[SP_CPU]
as

SELECT TOP 10 total_worker_time / execution_count/1000       AS [Avg CPU Time],
              (SELECT Substring(text, statement_start_offset / 2, ( CASE
                                                                      WHEN statement_end_offset = -1 THEN Len(CONVERT(NVARCHAR(max), text)) * 2
                                                                      ELSE statement_end_offset
                                                                    END - statement_start_offset ) / 2)
               FROM   sys.Dm_exec_sql_text(sql_handle)) AS query_text,
              last_execution_time,execution_count,total_worker_time,last_worker_time,min_worker_time,max_worker_time,total_elapsed_time,last_elapsed_time,min_elapsed_time,max_elapsed_time,last_logical_reads,last_logical_writes,last_physical_reads
FROM   sys.dm_exec_query_stats
ORDER  BY [Avg CPU Time] DESC 

GO