查看oracle当前性能sql

Posted 2023-03-03 雅冰石

SELECT T.SQL_ID,s.event,TRUNC(T.ELAPSED_TIME /DECODE(T.EXECUTIONS, 0, 1000000, T.EXECUTIONS) / 1000000,2) 每次执行时间,
       T.SQL_FULLTEXT,s.MODULE,s.MACHINE,T.CHILD_NUMBER,T.EXECUTIONS,T.ELAPSED_TIME,T.BUFFER_GETS,
       TRUNC(T.BUFFER_GETS / DECODE(T.EXECUTIONS, 0, 1000000, T.EXECUTIONS),2) 每次逻辑读,T.DISK_READS,T.SQL_PROFILE
  FROM V$SQL T, V$SESSION S
 where T.SQL_ID = S.SQL_ID
   AND T.CHILD_NUMBER = S.SQL_CHILD_NUMBER
   AND S.STATUS = 'ACTIVE'
   AND NVL(USERNAME,'SYS') NOT IN ('SYS','SYSEM')
 ORDER BY T.ELAPSED_TIME / DECODE(T.EXECUTIONS, 0, 1000000, T.EXECUTIONS) /1000000 DESC;

该sql能看到某个等待事件对应的具体sql内容。