Modification to the order that classes are printed out so that the prototype

tools/testing/perf_testing/create_graph.py

 #!/usr/bin/python
 
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import datetime
 import math
 try:
   from matplotlib.font_manager import FontProperties
@@ skipping 60 matching lines @@
   """Determine the amount of (real) time it takes to execute a given command."""
   start = time.time()
   RunCmd(cmd)
   return time.time() - start
 
 def SyncAndBuild(failed_once=False):
   """Make sure we have the latest version of of the repo, and build it. We
   begin and end standing in DART_INSTALL_LOCATION.
   Args:
     failed_once True if we have attempted to build this once before, and we've
-      failed, indicating the build is broken."""
+      failed, indicating the build is broken.
+  Returns:
+    err_code = 1 if there was a problem building two times in a row."""
   os.chdir(DART_INSTALL_LOCATION)
   #Revert our newly built minfrog to prevent conflicts when we update
   RunCmd(['svn', 'revert',  os.path.join(os.getcwd(), 'frog', 'minfrog')])
 
   RunCmd(['gclient', 'sync'])
   lines = RunCmd([os.path.join('.', 'tools', 'build.py'), '-m', 'release'])
   os.chdir('frog')
   lines += RunCmd([os.path.join('..', 'tools', 'build.py'), '-m', 
       'debug,release'])
   os.chdir('..')
   
   for line in lines:
     if 'BUILD FAILED' in lines:
       if failed_once:
         # Someone checked in a broken build! Just stop trying to make it work
         # and wait for the next hour to try again.
         print 'Broken Build'
-        sys.exit(0)
+        return 1
       #Remove the xcode directory and attempt to build again. If it still
       #fails, abort, and try again next hour.
       out_dir = 'out'
       if platform.system() == 'Darwin':
         out_dir = 'xcodebuild'
       shutil.rmtree(os.path.join(os.getcwd(), out_dir, 'Release_ia32'))
       shutil.rmtree(os.path.join(os.getcwd(), 'frog', out_dir, 
           'Debug_ia32'))
       shutil.rmtree(os.path.join(os.getcwd(), 'frog', out_dir, 
           'Release_ia32'))
       SyncAndBuild(True)
+  return 0
 
 def EnsureOutputDirectory(dir_name):
   """Test that the listed directory name exists, and if not, create one for
   our output to be placed.
   Args:
     dir_name the directory we will create if it does not exist."""
   dir_path = os.path.join(DART_INSTALL_LOCATION, 'tools', 'testing',
       'perf_testing', dir_name)
   if not os.path.exists(dir_path):
     os.mkdir(dir_path)
@@ skipping 564 matching lines @@
   args, ignored = parser.parse_args()
   if not (args.cl or args.size or args.language or args.perf):
     args.cl = args.size = args.language = args.perf = True
   return (args.cl, args.size, args.language, args.perf, args.continuous,
       args.perfbot, args.verbose)
 
 def RunTestSequence(cl, size, language, perf):
   if PERFBOT_MODE:
     # The buildbot already builds and syncs to a specific revision. Don't fight
     # with it or replicate work.
-    SyncAndBuild()
+    if SyncAndBuild() == 1:
+      return # The build is broken.
   if cl:
     CommandLinePerformanceTestRunner('cl-results').Run()
   if size:
     CompileTimeAndSizeTestRunner('code-time-size').Run()
   if language:
     BrowserCorrectnessTestRunner('language', 'browser-correctness').Run()
   if perf:
     BrowserPerformanceTestRunner('browser-perf').Run()
 
 def main():
   global PERFBOT_MODE, VERBOSE
   (cl, size, language, perf, continuous, perfbot, verbose) = ParseArgs()
   PERFBOT_MODE = perfbot
   VERBOSE = verbose
   if continuous:
     while True:
       if HasNewCode():
         RunTestSequence(cl, size, language, perf)
       else:
         time.sleep(SLEEP_TIME)
   else:
     RunTestSequence(cl, size, language, perf)
 
 if __name__ == '__main__':
   main()