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how to get CPU usage for the running porgram/process in 11gR1

Posted on 2011-03-03
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Last Modified: 2012-05-11
Are there any system views I can look into to get CPU usage for the running programs from the query?
select USERNAME,PROGRAM, terminal from v$session where username is not null;
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Question by:jl66
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by:niaz
niaz earned 240 total points
ID: 35033390
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by:
Aaron Shilo earned 260 total points
ID: 35034032
by user/app

SELECT n.username,
s.sid,
s.value
FROM v$sesstat s,v$statname t, v$session n
WHERE s.statistic# = t.statistic#
AND n.sid = s.sid
AND t.name=’CPU used by this session’
ORDER BY s.value desc;

session level

select * from v$sesstat
  where statistic# = 12
  order by value desc;

CPU usage for parsing

select (a.value / b.value)*100 “% CPU for parsing”
from V$SYSSTAT a, V$SYSSTAT b
where a.name = ‘parse time cpu’
and b.name = ‘CPU used by this session’;

To determine percentage of Recursive CPU Usage

select (a.value / b.value)*100 “% recursive cpu usage”
from V$SYSSTAT a, V$SYSSTAT b
where a.name = ‘recursive cpu usage’
and b.name = ‘CPU used by this session’;

This sould get you started
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Author Closing Comment

by:jl66
ID: 35037661
Thank both of you.
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