Solution : https://service.sap.com/sap/support/notes/196048 (SAP Service marketplace login required)
Key words : 
applying hp-ux patch phne_20008 additional key words performance hp-ux oracle, applying hp-ux patch phne_20008 oracle, apply hp patch phne_20094, machine showsidle time, oracle issue, performance problems, prerequisites, utilisation
Related Notes : 
       
| 184905 | Collective note Performance BW 2.0 |