Debugging tools
how to do debugging with ORBit2
method trace ....
* ([0x80e95e8])->addClient ([0x80e98d8], '')[ one way ] 

 ([0x80e95e8])->activate_from_id (
      'OAFIID:Bonobo_Sample_Entry', 0x0)
  context {
   (username: 'michael'), (hostname: 'localhost.localdomain'),
   (domain: 'user'), (display: ':0.0')
  }

*   ([0x80e98d8])->resetCache () 

 =>: {'OAFAID:[OAFIID:Bonobo_Sample_ControlFactory,'
      'michael,localhost.localdomain,session]',
     { d=0 v=[0x80ec118] } } 

 ([0x80ec118])->queryInterface ('IDL:Bonobo/Control:1.0')
 =>: [0x80ec118] 

 ([0x80ec118])->unref () 
 ([0x80ec118])->ref () 
 ([0x80ec118])->setFrame ([0x80eadc0])[ one way ] 
 ([0x80ec118])->unref () 
 ([0x80ec118])->getWindowId ('') =>: '54525954' 

reference tracking
ltrace / strace