High CPU on Database server for EBS 12.2

Can you please help us figure out how to resolve CPU high usage on our EBS database server (linux) ?

Here are the Top 2 sessions utilizing 100% of CPU:

PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND

69097 oraprod   20   0 14.377g 433072 419940 R 100.0  0.7 384:57.82 oracle_69097_pr

70260 oraprod   20   0 14.367g 346840 321752 R 100.0  0.5 381:17.40 oracle_70260_pr

[root@COMPRODDB12C ~]# ps -ef | grep 69097

oraprod   69097      1 99 09:09 ?        07:00:31 oraclePROD (LOCAL=NO)

root     181441 171009  0 16:10 pts/0    00:00:00 grep --color=auto 69097

[root@COMPRODDB12C ~]# ps -ef | grep 70260

root       9534 171009  0 16:43 pts/0    00:00:00 grep --color=auto 70260

oraprod   70260      1 99 09:13 ?        07:29:43 oraclePROD (LOCAL=NO)

Thank you,
Susan