Solution : https://service.sap.com/sap/support/notes/1015485 (SAP Service marketplace login required)
Key words : 
46c          sapkb46c54620          sapkb62062640          sapkb64020700          sapkb70012, prerequisites solution implement, support packages include, display oracle sessions, terms oracle 10g, attached correction instructions, oracle 10g, display runtime, transaction st04, session monitor
Related Notes : 
       
| 871455 | Poor performance when accessing DBA and V$ views |