set lines 180
set pagesize 500
col INSTANCE_NUMBER for 99
col module format a10
col execs for 999,999,999
col etime for 999,999,999.9
col avg_etime for 999,999.999
col avg_cpu_time for 999,999.999
col avg_lio for 999,999,999.9
col avg_pio for 9,999,999.9
col begin_interval_time for a30
col node for 99999
break on plan_hash_value on startup_time skip 1
select * from (
select INSTANCE_NUMBER,sql_id, plan_hash_value,
sum(execs) execs,
sum(etime) etime,
sum(etime)/sum(execs) avg_etime,
sum(cpu_time)/sum(execs) avg_cpu_time,
sum(lio)/sum(execs) avg_lio,
sum(pio)/sum(execs) avg_pio,
module
from (
select ss.snap_id, ss.instance_number node, begin_interval_time, s.INSTANCE_NUMBER,s.module ,sql_id, plan_hash_value,
nvl(executions_delta,0) execs,
elapsed_time_delta/1000000 etime,
(elapsed_time_delta/decode(nvl(executions_delta,0),0,1,executions_delta))/1000000 avg_etime,
buffer_gets_delta lio,
disk_reads_delta pio,
cpu_time_delta/1000000 cpu_time,
(buffer_gets_delta/decode(nvl(buffer_gets_delta,0),0,1,executions_delta)) avg_lio,
(cpu_time_delta/decode(nvl(executions_delta,0),0,1,executions_delta)) avg_cpu_time
from DBA_HIST_SQLSTAT S, DBA_HIST_SNAPSHOT SS
where ss.snap_id = S.snap_id
and ss.instance_number = S.instance_number
and executions_delta > 0
and ss.begin_interval_time >= sysdate -3
and s.PLAN_HASH_VALUE>0
)
group by INSTANCE_NUMBER,sql_id, plan_hash_value,module
order by 8 desc
) where rownum <= 100;
/
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本文标题：oracle中按CPU资源消耗排序SQL-创新互联
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