Solution : https://service.sap.com/sap/support/notes/1479844 (SAP Service marketplace login required)
Key words :
st-pi function /sdf/ewa_get_parameter, shared cpu pool lpars, st-ser translation phase, implement attached coding correction, missing cpu virtualization data, provide cpu virtualization data, st-ser 701_2010_1 related, st-ser 701_2010_1, implement sap note 1484695, remote support component