Commit regression script. The cron job uses a copy in m5test's

home directory (/z/m5/regression), so for now any modifications
should be manually copied there as well.

Note that this script is designed to be useful for running full
regressions outside of the cron job as well.

--HG--
extra : convert_revision : 052ec5d58b5ff765d8f3a9b50849ef34d62c8d66

diff --git a/util/regress b/util/regress
new file mode 100755 (executable)
index 0000000..067f9f0
--- /dev/null
+++ b/util/regress
@@ -0,0 +1,155 @@
+#! /usr/bin/env python
+# Copyright (c) 2005 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Steve Reinhardt
+
+import sys
+import os
+import optparse
+import datetime
+
+#
+# Regression invocation:
+#
+# regress \
+#      --workdir poolfs \
+#      --scons-opts 'BATCH=yes USE_MYSQL=no -j 30 -Q' \
+#      --recurse
+
+progname = os.path.basename(sys.argv[0])
+
+optparser = optparse.OptionParser()
+optparser.add_option('-v', '--verbose', dest='verbose', action='store_true',
+                     default=False,
+                     help='echo commands before executing')
+optparser.add_option('--scratch', dest='scratch', action='store_true',
+                     default=False,
+                     help='rebuld from scratch')
+optparser.add_option('--builds', dest='builds',
+                     default='ALPHA_SE,ALPHA_FS,ALPHA_FS_TL',
+                     help='comma-separated list of builds to test')
+optparser.add_option('--variants', dest='variants',
+                     default='opt',
+                     help='comma-separated list of build variants to test')
+optparser.add_option('--workdir', dest='workdir',
+                     help='directory for checked-out source trees')
+optparser.add_option('--scons-opts', dest='scons_opts', default='',
+                     help='scons options')
+optparser.add_option('--no-pull', dest='pull', action='store_false',
+                     default=True,
+                     help="don't pull changes from repository")
+optparser.add_option('--recurse', dest='recurse', action='store_true',
+                     default=False,
+                     help='call recursively to get summary up front')
+
+(options, tests) = optparser.parse_args()
+
+
+# split list options on ',' to get Python lists
+builds = options.builds.split(',')
+variants = options.variants.split(',')
+
+# Repositories to clone/update
+repos = ['m5', 'm5-test', 'ext']
+
+# Call os.system() and raise exception if return status is non-zero
+def system(cmd):
+    if options.verbose:
+        print cmd
+    status = os.system(cmd)
+    if status != 0:
+        upper = (status & 0xff00) >> 8
+        lower = (status & 0xff)
+        raise OSError, "shell command '%s' failed, status %d:%d" \
+              % (cmd, upper, lower)
+
+# Quote string s so it can be passed as a shell arg
+def shellquote(s):
+    if ' ' in s:
+        s = "'%s'" % s
+    return s
+
+# The '--recurse' option invokes scons once to perform any necessary
+# rebuilds/test runs with the (possibly verbose) output placed in a
+# log file, then (if the buld was successful) returns scons to print a
+# summary of the results.
+if options.recurse:
+    sys.argv.remove('--recurse')  # avoid infinite recursion...
+    timestr = datetime.datetime.now().isoformat('-')[:19]
+    logfile = '%s-%s' % (progname, timestr)
+    # quote args for shell
+    qargs = [shellquote(a) for a in sys.argv]
+    # always run the sub-job in verbose mode
+    qargs.append('-v')
+    cmd = '%s > %s 2>&1' % (' '.join(qargs), logfile)
+    try:
+        system(cmd)
+    except OSError, exc:
+        print "Error: recursive invocation failed, aborting."
+        print exc
+        print "======================="
+        os.system('cat %s' % logfile)
+        sys.exit(1)
+    # recursive call succeeded... re-run to generate summary
+    # don't *re*-build from scratch now
+    options.scratch = False
+    # no need to re-pull since the recursive call shoudl have done that
+    options.pull = False
+    print "Recursive invocation successful, see %s for output." % logfile
+
+try:
+    if options.workdir:
+        if options.verbose:
+            print 'cd', options.workdir
+        os.chdir(options.workdir)
+
+    if options.scratch:
+        for dir in repos:
+            system('rm -rf %s' % dir)
+            system('bk clone /bk/%s' % dir)
+    elif options.pull:
+        for dir in repos:
+            system('cd %s; bk pull' % dir)
+
+    if not tests:
+        print "No tests specified."
+        sys.exit(1)
+
+    if options.verbose:
+        print 'cd m5/build'
+    os.chdir('m5/build')
+
+    targets = ['%s/test/%s/%s' % (build, variant, test)
+               for build in builds for variant in variants for test in tests]
+
+    system('scons %s %s' % (options.scons_opts, ' '.join(targets)))
+
+    sys.exit(0)
+
+except OSError, exc:
+    print "%s: " % progname, exc
+    sys.exit(1)