Turn on parallel webkit tests for debug mode....

webkit/tools/layout_tests/run_webkit_tests.py

 #!/bin/env python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Run layout tests using the test_shell.
 
 This is a port of the existing webkit test script run-webkit-tests.
 
 The TestRunner class runs a series of tests (TestType interface) against a set
@@ skipping 797 matching lines @@
 
   if options.platform is None:
     options.platform = path_utils.PlatformDir()
     platform_new_results_dir = path_utils.PlatformNewResultsDir()
   else:
     # If the user specified a platform on the command line then use
     # that as the name of the output directory for rebaselined files.
     platform_new_results_dir = options.platform
 
   if not options.num_test_shells:
-    # Only run stable configurations with multiple test_shells by default.
-    if options.target == 'Release':
-      cpus = 1
-      if sys.platform in ('win32', 'cygwin'):
-        cpus = int(os.environ.get('NUMBER_OF_PROCESSORS', 1))
-      elif (hasattr(os, "sysconf") and
-            os.sysconf_names.has_key("SC_NPROCESSORS_ONLN")):
-        # Linux & Unix:
-        ncpus = os.sysconf("SC_NPROCESSORS_ONLN")
-        if isinstance(ncpus, int) and ncpus > 0:
-          cpus = ncpus
-      elif sys.platform in ('darwin'): # OSX:
-        cpus = int(os.popen2("sysctl -n hw.ncpu")[1].read())
+    cpus = 1
+    if sys.platform in ('win32', 'cygwin'):
+      cpus = int(os.environ.get('NUMBER_OF_PROCESSORS', 1))
+    elif (hasattr(os, "sysconf") and
+          os.sysconf_names.has_key("SC_NPROCESSORS_ONLN")):
+      # Linux & Unix:
+      ncpus = os.sysconf("SC_NPROCESSORS_ONLN")
+      if isinstance(ncpus, int) and ncpus > 0:
+        cpus = ncpus
+    elif sys.platform in ('darwin'): # OSX:
+      cpus = int(os.popen2("sysctl -n hw.ncpu")[1].read())
 
-      # TODO(ojan): Use cpus+1 once we flesh out the flakiness.
-      options.num_test_shells = cpus
-
-    else:
-      options.num_test_shells = 1
+    # TODO(ojan): Use cpus+1 once we flesh out the flakiness.
+    options.num_test_shells = cpus
   
   logging.info("Running %s test_shells in parallel" % options.num_test_shells)
 
   if not options.time_out_ms:
     if options.num_test_shells > 1:
       options.time_out_ms = str(2 * TestRunner.DEFAULT_TEST_TIMEOUT_MS)      
     else:
       options.time_out_ms = str(TestRunner.DEFAULT_TEST_TIMEOUT_MS)
 
   # Include all tests if none are specified.
@@ skipping 144 matching lines @@
   option_parser.add_option("", "--run-part",
                            default=None,
                            help=("Run a specified part (n:m), the nth of m"
                                  " parts, of the layout tests"))
   option_parser.add_option("", "--batch-size",
                            default=None,
                            help=("Run a the tests in batches (n), after every "
                                  "n tests, the test shell is relaunched."))
   options, args = option_parser.parse_args()
   main(options, args)