Techno Oracle » Oracle Tips and Tricks http://www.technooracle.com Oracle information centre Tue, 17 Apr 2012 12:07:51 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 How to Calculate Oracle CPU usage http://www.technooracle.com/oracle-tutorials/how-to-calculate-oracle-cpu-usage/ http://www.technooracle.com/oracle-tutorials/how-to-calculate-oracle-cpu-usage/#comments Fri, 13 Apr 2012 07:14:01 +0000 admin http://www.technooracle.com/?p=406 If You wants to identify the impact of particular user on the Database,or if you want to determine how much resources are consumed, cpu, IO used by this ID,you can use the following script to display CPU utilization  for any Oracle user.

select
aa.username,
bb.SID,
VALUE/100 cpu_usage_seconds
from
v$session a,
v$sesstat b,
v$statname c
where
b.STATISTIC# = c.STATISTIC#
and
NAME like ‘%CPU used by this session%’
and
b.SID = a.SID
and
a.status=’ACTIVE’
and
a.username is not null
order by VALUE desc;

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