The following are examples of running rb_objcpu.d.

The rb_objnew.d script reports the on-CPU time for new Object creation in Ruby
while the script is tracing.   Here we see it running while 
Code/Ruby/func_abc.rb is executed.

# rb_objcpu.d
Tracing... Hit Ctrl-C to end.
^C
Total object creation on-CPU time (ms): 0

Object creation on-CPU time distributions (us),

  NoMemoryError                                     
           value  ------------- Distribution ------------- count    
               0 |                                         0        
               1 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1        
               2 |                                         0        

  SystemStackError                                  
           value  ------------- Distribution ------------- count    
               0 |                                         0        
               1 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1        
               2 |                                         0        

  fatal                                             
           value  ------------- Distribution ------------- count    
               0 |                                         0        
               1 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1        
               2 |                                         0        

  ThreadGroup                                       
           value  ------------- Distribution ------------- count    
               4 |                                         0        
               8 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1        
              16 |                                         0        

  Object                                            
           value  ------------- Distribution ------------- count    
               0 |                                         0        
               1 |@@@@@@@@@@@@@                            1        
               2 |@@@@@@@@@@@@@                            1        
               4 |                                         0        
               8 |@@@@@@@@@@@@@                            1        
              16 |                                         0        

We can see that there were several different types of Objects created
including three of type 'Object', one of which took 1 microsecond, one of
which took 2 to 3 microseconds, and the last of which took between 8 and 15
microseconds.