Solution : https://service.sap.com/sap/support/notes/1340983 (SAP Service marketplace login required)
Key words : 
symptom performance issue, terms performance, sourcing cockpit, borf wrapper, bbp_procdoc_getdetail reason, system behaviour, solution implement, correction instruction, support package, processing
Related Notes : 
       
| 1338066 | Sourcing Cockpit: Performance improvements in first step | 
| 1266771 | SRM 7.0 Performance Guide |