快速获取DB服务器当前 MEM CPU的资源消耗

USE DBA_Maintenance
GO
IF EXISTS (SELECT 1 FROM SYS.PROCEDURES WHERE type=‘p‘ AND NAME=‘SP_CheckMemAndCpu‘)
BEGIN
    DROP PROCEDURE SP_CheckMemAndCpu
END
GO

CREATE PROCEDURE SP_CheckMemAndCpu
AS
BEGIN
    SET NOCOUNT ON
    --check Mem
    select (1.0*total_physical_memory_kb/1024/1024)Total_Mem_G,
            (1.0*available_physical_memory_kb/1024/1024)Available_Physical_Mem_G,
            (1.0*system_cache_kb/1024/1024)System_Cache_G,
            system_high_memory_signal_state,
            system_low_memory_signal_state,
            system_memory_state_desc
         from sys.dm_os_sys_memory
    SELECT OBJECT_name,counter_name,(1.0*cntr_value/1024/1024)‘数据库服务器最大使用内存‘ FROM sys.dm_os_performance_counters
WHERE counter_name IN (‘Target Server Memory (KB)‘,‘Total Server Memory (KB)‘)
SELECT  total_physical_memory_kb /1024/1024 AS [物理内存(G)] ,
        available_physical_memory_kb /1024/1024 AS [可用物理内存(G)] ,
        system_cache_kb /1024/1024 AS [系统缓存内存总量(G)] ,
        ( kernel_paged_pool_kb + kernel_nonpaged_pool_kb ) /1024 AS [内核池内存总量(MB)] ,
        total_page_file_kb /1024/1024 AS [操作系统报告的提交限制的大小(G)] ,
        available_page_file_kb /1024/1024 AS [未使用的页文件的总量(G)] ,
        system_memory_state_desc AS [内存状态说明]
FROM    sys .dm_os_sys_memory 

    --check CPU
    SELECT cpu_count,max_workers_count  FROM sys.dm_os_sys_info

declare @cxpacket bigint
declare @sumwaits bigint
select @cxpacket=wait_time_ms
from sys.dm_os_wait_stats
where wait_type=‘Cxpacket‘
select @sumwaits=sum(wait_time_ms)
from sys.dm_os_wait_stats
select convert(numeric(5,4),@cxpacket/@sumwaits) AS ‘并行运行的Cxpacket等待状态阀值 <5%‘

select convert(numeric(5,4),sum(signal_wait_time_ms)/sum(wait_time_ms)) AS ‘指令等待CPU资源的时间占总时间的百分比 阀值<25%‘
from sys.dm_os_wait_stats

-----获取DB服务器上当前正在执行的SQL
SELECT TOP 10
  [session_id],
  [request_id],
  [start_time] AS ‘开始时间‘,
  [status] AS ‘状态‘,
  [command] AS ‘命令‘,
  dest.[text] AS ‘sql语句‘,
  DB_NAME([database_id]) AS ‘数据库名‘,
  [blocking_session_id] AS ‘正在阻塞其他会话的会话ID‘,
  der.[wait_type] AS ‘等待资源类型‘,
  [wait_time] AS ‘等待时间‘,
  [wait_resource] AS ‘等待的资源‘,
  [dows].[waiting_tasks_count] AS ‘当前正在进行等待的任务数‘,
  [reads] AS ‘物理读次数‘,
  [writes] AS ‘写次数‘,
  [logical_reads] AS ‘逻辑读次数‘,
  [row_count] AS ‘返回结果行数‘
  FROM sys.[dm_exec_requests] AS der
  INNER JOIN [sys].[dm_os_wait_stats] AS dows
  ON der.[wait_type]=[dows].[wait_type]
  CROSS APPLY
  sys.[dm_exec_sql_text](der.[sql_handle]) AS dest
  WHERE [session_id]>50
  ORDER BY [cpu_time] DESC

 ----获取DB服务器上CPU被SqlServer使用情况
 DECLARE @ts_now bigint = (SELECT cpu_ticks/(cpu_ticks/ms_ticks)FROM sys.dm_os_sys_info); 

SELECT TOP(30) SQLProcessUtilization AS [SQL Server Process CPU Utilization],
               SystemIdle AS [System Idle Process],
               100 - SystemIdle - SQLProcessUtilization AS [Other Process CPU Utilization],
               DATEADD(ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS [Event Time]
FROM (
      SELECT record.value(‘(./Record/@id)[1]‘, ‘int‘) AS record_id,
            record.value(‘(./Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]‘, ‘int‘)
            AS [SystemIdle],
            record.value(‘(./Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]‘,
            ‘int‘)
            AS [SQLProcessUtilization], [timestamp]
      FROM (
            SELECT [timestamp], CONVERT(xml, record) AS [record]
            FROM sys.dm_os_ring_buffers
            WHERE ring_buffer_type = N‘RING_BUFFER_SCHEDULER_MONITOR‘
            AND record LIKE N‘%<SystemHealth>%‘) AS x
      ) AS y
ORDER BY record_id DESC;

    SET NOCOUNT OFF

END
GO
GRANT EXEC ON SP_CheckMemAndCpu TO PUBLIC
GO