1 files changed, 64 insertions, 0 deletions
diff --git a/crosperf/compare_machines.py b/crosperf/compare_machines.py
new file mode 100644
index 00000000..0a61eeb9
--- /dev/null
+++ b/crosperf/compare_machines.py
@@ -0,0 +1,64 @@
+# Copyright 2014 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+"""Module to compare two machines."""
+
+from __future__ import print_function
+
+import os.path
+import sys
+import argparse
+
+from machine_manager import CrosMachine
+
+
+def PrintUsage(msg):
+  print(msg)
+  print('Usage: ')
+  print('\n compare_machines.py --chromeos_root=/path/to/chroot/ '
+        'machine1 machine2 ...')
+
+
+def Main(argv):
+
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--chromeos_root',
+                      default='/path/to/chromeos',
+                      dest='chromeos_root',
+                      help='ChromeOS root checkout directory')
+  parser.add_argument('remotes', nargs=argparse.REMAINDER)
+
+  options = parser.parse_args(argv)
+
+  machine_list = options.remotes
+  if len(machine_list) < 2:
+    PrintUsage('ERROR: Must specify at least two machines.')
+    return 1
+  elif not os.path.exists(options.chromeos_root):
+    PrintUsage('Error: chromeos_root does not exist %s' % options.chromeos_root)
+    return 1
+
+  chroot = options.chromeos_root
+  cros_machines = []
+  test_machine_checksum = None
+  for m in machine_list:
+    cm = CrosMachine(m, chroot, 'average')
+    cros_machines = cros_machines + [cm]
+    test_machine_checksum = cm.machine_checksum
+
+  ret = 0
+  for cm in cros_machines:
+    print('checksum for %s : %s' % (cm.name, cm.machine_checksum))
+    if cm.machine_checksum != test_machine_checksum:
+      ret = 1
+      print('Machine checksums do not all match')
+
+  if ret == 0:
+    print('Machines all match.')
+
+  return ret
+
+
+if __name__ == '__main__':
+  retval = Main(sys.argv[1:])
+  sys.exit(retval)