util/regress

   1 #! /usr/bin/env python
   2 # Copyright (c) 2005-2007 The Regents of The University of Michigan
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met: redistributions of source code must retain the above copyright
   8 # notice, this list of conditions and the following disclaimer;
   9 # redistributions in binary form must reproduce the above copyright
  10 # notice, this list of conditions and the following disclaimer in the
  11 # documentation and/or other materials provided with the distribution;
  12 # neither the name of the copyright holders nor the names of its
  13 # contributors may be used to endorse or promote products derived from
  14 # this software without specific prior written permission.
  15 #
  16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #
  28 # Authors: Steve Reinhardt
  29
  30 import sys
  31 import os
  32 import optparse
  33 import datetime
  34 from subprocess import call
  35
  36 progname = os.path.basename(sys.argv[0])
  37
  38 optparser = optparse.OptionParser()
  39 add_option = optparser.add_option
  40 add_option('-v', '--verbose', action='store_true', default=False,
  41            help='echo commands before executing')
  42 add_option('--builds',
  43            default='ALPHA,ALPHA_MOESI_hammer,' \
  44            'ALPHA_MESI_Two_Level,'  \
  45            'ALPHA_MOESI_CMP_directory,' \
  46            'ALPHA_MOESI_CMP_token,' \
  47            'MIPS,' \
  48            'NULL,' \
  49            'POWER,' \
  50            'SPARC,' \
  51            'X86,X86_MESI_Two_Level,' \
  52            'ARM',
  53            help="comma-separated build targets to test (default: '%default')")
  54 add_option('--modes',
  55            default='se,fs',
  56            help="comma-separated modes to test (default: '%default')")
  57 add_option('--test-variants', default='opt',
  58            help="comma-separated build variants to test (default: '%default')"\
  59            ", set to '' for none")
  60 add_option('--compile-variants', default='debug,fast',
  61            help="comma-separated build variants to compile only (not test) " \
  62            "(default: '%default'), set to '' for none", metavar='VARIANTS')
  63 add_option('--scons-opts', default='', metavar='OPTS',
  64            help='scons options')
  65 add_option('-j', '--jobs', type='int', default=1, metavar='N',
  66            help='number of parallel jobs to use (0 to use all cores)')
  67 add_option('-k', '--keep-going', action='store_true',
  68            help='keep going after errors')
  69 add_option('--update-ref', action='store_true',
  70            help='update reference outputs')
  71 add_option('-D', '--build-dir', default='', metavar='DIR',
  72            help='build directory location')
  73 add_option('-n', "--no-exec", default=False, action='store_true',
  74            help="don't actually invoke scons, just echo SCons command line")
  75
  76 (options, tests) = optparser.parse_args()
  77
  78
  79 # split a comma-separated list, but return an empty list if given the
  80 # empty string
  81 def split_if_nonempty(s):
  82     if not s:
  83         return []
  84     return s.split(',')
  85
  86 # split list options on ',' to get Python lists
  87 builds = split_if_nonempty(options.builds)
  88 modes = split_if_nonempty(options.modes)
  89 test_variants = split_if_nonempty(options.test_variants)
  90 compile_variants = split_if_nonempty(options.compile_variants)
  91
  92 options.build_dir = os.path.join(options.build_dir, 'build')
  93
  94 # Call os.system() and raise exception if return status is non-zero
  95 def system(cmd):
  96     try:
  97         retcode = call(cmd, shell=True)
  98         if retcode < 0:
  99             print >>sys.stderr, "Child was terminated by signal", -retcode
 100             print >>sys.stderr, "When attemping to execute: %s" % cmd
 101             sys.exit(1)
 102         elif retcode > 0:
 103             print >>sys.stderr, "Child returned", retcode
 104             print >>sys.stderr, "When attemping to execute: %s" % cmd
 105             sys.exit(1)
 106     except OSError, e:
 107         print >>sys.stderr, "Execution failed:", e
 108         print >>sys.stderr, "When attemping to execute: %s" % cmd
 109         sys.exit(1)
 110
 111 targets = []
 112
 113 # start with compile-only targets, if any
 114 if compile_variants:
 115     targets += ['%s/%s/gem5.%s' % (options.build_dir, build, variant)
 116                 for variant in compile_variants
 117                 for build in builds]
 118
 119 # By default run the 'quick' tests, all expands to quick and long
 120 if not tests:
 121     tests = ['quick']
 122 elif 'all' in tests:
 123     tests = ['quick', 'long']
 124
 125 # set up test targets for scons, since we don't have any quick SPARC
 126 # full-system tests exclude it
 127 targets += ['%s/%s/tests/%s/%s/%s' % (options.build_dir, build, variant, test,
 128                                       mode)
 129             for build in builds
 130             for variant in test_variants
 131             for test in tests
 132             for mode in modes
 133             if not (build == 'SPARC' and test == 'quick' and mode == 'fs')]
 134
 135 def cpu_count():
 136     if 'bsd' in sys.platform or sys.platform == 'darwin':
 137         try:
 138             return int(os.popen('sysctl -n hw.ncpu').read())
 139         except ValueError:
 140             pass
 141     else:
 142         try:
 143             return os.sysconf('SC_NPROCESSORS_ONLN')
 144         except (ValueError, OSError, AttributeError):
 145             pass
 146
 147     raise NotImplementedError('cannot determine number of cpus')
 148
 149 scons_opts = options.scons_opts
 150 if options.jobs != 1:
 151     if options.jobs == 0:
 152         options.jobs = cpu_count()
 153     scons_opts += ' -j %d' % options.jobs
 154 if options.keep_going:
 155     scons_opts += ' -k'
 156 if options.update_ref:
 157     scons_opts += ' --update-ref'
 158
 159 # We generally compile gem5.fast only to make sure it compiles OK;
 160 # it's not very useful to run as a regression test since assertions
 161 # are disabled.  Thus there's not much point spending time on
 162 # link-time optimization.
 163 scons_opts += ' --no-lto'
 164
 165 cmd = 'scons --ignore-style %s %s' % (scons_opts, ' '.join(targets))
 166 if options.no_exec:
 167     print cmd
 168 else:
 169     system(cmd)
 170     sys.exit(0)