Merge remote branch 'cros/upstream' into master

client/tests/kvm/scripts/ksm_overcommit_guest.py

 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 """
 Auxiliary script used to allocate memory on guests.
 
 @copyright: 2008-2009 Red Hat Inc.
 @author: Jiri Zupka (jzupka@redhat.com)
 """
 
 
-import os, array, sys, struct, random, copy, inspect, tempfile, datetime, math
+import os, array, sys, random, copy, tempfile, datetime, math
 
 PAGE_SIZE = 4096 # machine page size
 
-TMPFS_OVERHEAD = 0.0022 # overhead on 1MB of write data 
+TMPFS_OVERHEAD = 0.0022 # overhead on 1MB of write data
 
 
 class MemFill(object):
     """
     Fills guest memory according to certain patterns.
     """
     def __init__(self, mem, static_value, random_key):
         """
         Constructor of MemFill class.
 
         @param mem: Amount of test memory in MB.
         @param random_key: Seed of random series used for fill up memory.
         @param static_value: Value used to fill all memory.
         """
         if (static_value < 0 or static_value > 255):
             print ("FAIL: Initialization static value"
                    "can be only in range (0..255)")
             return
 
         self.tmpdp = tempfile.mkdtemp()
         ret_code = os.system("mount -o size=%dM tmpfs %s -t tmpfs" %
-                             ((mem+math.ceil(mem*TMPFS_OVERHEAD)), 
+                             ((mem+math.ceil(mem*TMPFS_OVERHEAD)),
                              self.tmpdp))
         if ret_code != 0:
             if os.getuid() != 0:
                 print ("FAIL: Unable to mount tmpfs "
                        "(likely cause: you are not root)")
             else:
                 print "FAIL: Unable to mount tmpfs"
         else:
             self.f = tempfile.TemporaryFile(prefix='mem', dir=self.tmpdp)
             self.allocate_by = 'L'
@@ skipping 180 matching lines @@
     """
     print "PASS: Start"
     end = False
     while not end:
         str = raw_input()
         exec str
 
 
 if __name__ == "__main__":
     main()