util/memtest-soak.py

   1 #! /usr/bin/env python2.7
   2
   3 # Copyright (c) 2015 ARM Limited
   4 # All rights reserved
   5 #
   6 # The license below extends only to copyright in the software and shall
   7 # not be construed as granting a license to any other intellectual
   8 # property including but not limited to intellectual property relating
   9 # to a hardware implementation of the functionality of the software
  10 # licensed hereunder.  You may use the software subject to the license
  11 # terms below provided that you ensure that this notice is replicated
  12 # unmodified and in its entirety in all distributions of the software,
  13 # modified or unmodified, in source code or in binary form.
  14 #
  15 # Redistribution and use in source and binary forms, with or without
  16 # modification, are permitted provided that the following conditions are
  17 # met: redistributions of source code must retain the above copyright
  18 # notice, this list of conditions and the following disclaimer;
  19 # redistributions in binary form must reproduce the above copyright
  20 # notice, this list of conditions and the following disclaimer in the
  21 # documentation and/or other materials provided with the distribution;
  22 # neither the name of the copyright holders nor the names of its
  23 # contributors may be used to endorse or promote products derived from
  24 # this software without specific prior written permission.
  25 #
  26 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  27 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  29 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  36 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37
  38 import optparse
  39 import subprocess
  40 import sys
  41
  42 parser = optparse.OptionParser()
  43
  44 # This script lets the user run a soak test using the false-sharing
  45 # memtest.py example script. It runs a number of iterations with
  46 # random tree topologies generated for each run, and runs for a number
  47 # of ticks. Both the iteration count and the ticks for each run can be
  48 # set on the command line.
  49
  50 parser.add_option('-c', '--count', type='int', default=100)
  51 parser.add_option('-t', '--ticks', type='int', default=100000000000)
  52
  53 (options, args) = parser.parse_args()
  54
  55 if len(args) != 1:
  56     print "Error: Expecting a single argument specifying the gem5 binary"
  57     sys.exit(1)
  58
  59 gem5_binary = args[0]
  60
  61 for i in range(options.count):
  62     status = subprocess.call([gem5_binary, 'configs/example/memtest.py',
  63                               '-r', '-m %d' % (options.ticks)])
  64     if status != 0:
  65         print "Error: memtest run failed\n"
  66         sys.exit(1)
  67
  68 print "memtest soak finished without errors"