Only account for actual time spend in call path calculation....

tools/tickprocessor.py

 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 368 matching lines @@
 
   def PrintCallProfile(self, entries):
     all_stacks = {}
     total_stacks = 0
     for entry in entries:
       all_stacks.update(entry.stacks)
       for count in entry.stacks.itervalues():
         total_stacks += count
     all_stacks_items = all_stacks.items();
     all_stacks_items.sort(key = itemgetter(1), reverse=True)
+    missing_percentage = (self.total_number_of_ticks - total_stacks) * 100.0 / self.total_number_of_ticks
+    print('  %(ticks)5d  %(total)5.1f%%  <no call path information>' % {
+      'ticks' : self.total_number_of_ticks - total_stacks,
+      'total' : missing_percentage
+    })
     for stack, count in all_stacks_items:
-      total_percentage = count * 100.0 / total_stacks
-      print('  %(total)5.1f%%  %(call_path)s' % {
+      total_percentage = count * 100.0 / self.total_number_of_ticks
+      print('  %(ticks)5d  %(total)5.1f%%  %(call_path)s' % {
+        'ticks' : count,
         'total' : total_percentage,
         'call_path' : stack[0] + '  <-  ' + stack[1]
       })
 
 
 class CmdLineProcessor(object):
 
   def __init__(self):
     self.options = ["js", "gc", "compiler", "other", "ignore-unknown", "separate-ic"]
     # default values
@@ skipping 35 matching lines @@
         'req_opts': self.GetRequiredArgsNames()
     })
     sys.exit(2)
 
   def RunLogfileProcessing(self, tick_processor):
     tick_processor.ProcessLogfile(self.log_file, self.state, self.ignore_unknown, self.separate_ic)
 
 
 if __name__ == '__main__':
   sys.exit('You probably want to run windows-tick-processor.py or linux-tick-processor.py.')