EBS: Query to find the CPU usage of the user

SELECT ss.username, se.SID, VALUE / 100 cpu_usage_seconds
FROM v$session ss, v$sesstat se, v$statname sn
WHERE se.STATISTIC# = sn.STATISTIC#
AND NAME LIKE '%CPU used by this session%'
AND se.SID = ss.SID
AND ss.status = 'ACTIVE'
AND ss.username IS NOT NULL
ORDER BY VALUE DESC;