SConscript revision 5517 
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2006 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer;
10# redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution;
13# neither the name of the copyright holders nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29# Authors: Steve Reinhardt
30#          Kevin Lim
31
32import os
33import sys
34import glob
35from SCons.Script.SConscript import SConsEnvironment
36
37Import('env')
38
39env['DIFFOUT'] = File('diff-out')
40
41# Dict that accumulates lists of tests by category (quick, medium, long)
42env.Tests = {}
43
44def contents(node):
45    return file(str(node)).read()
46
47def check_test(target, source, env):
48    """Check output from running test.
49
50    Targets are as follows:
51    target[0] : outdiff
52    target[1] : statsdiff
53    target[2] : status
54
55    """
56    # make sure target files are all gone
57    for t in target:
58        if os.path.exists(t.abspath):
59            Execute(Delete(t.abspath))
60    # Run diff on output & ref directories to find differences.
61    # Exclude m5stats.txt since we will use diff-out on that.
62    Execute(env.subst('diff -ubr ${SOURCES[0].dir} ${SOURCES[1].dir} ' +
63                      '-I "^command line:" ' +		# for stdout file
64                      '-I "^M5 compiled " ' +		# for stderr file
65                      '-I "^M5 started " ' +		# for stderr file
66                      '-I "^M5 executing on " ' +	# for stderr file
67                      '-I "^Simulation complete at" ' +	# for stderr file
68                      '-I "^Listening for" ' +		# for stderr file
69                      '-I "listening for remote gdb" ' + # for stderr file
70                      '--exclude=m5stats.txt --exclude=SCCS ' +
71                      '--exclude=${TARGETS[0].file} ' +
72                      '> ${TARGETS[0]}', target=target, source=source), None)
73    print "===== Output differences ====="
74    print contents(target[0])
75    # Run diff-out on m5stats.txt file
76    status = Execute(env.subst('$DIFFOUT $SOURCES > ${TARGETS[1]}',
77                               target=target, source=source),
78                     strfunction=None)
79    print "===== Statistics differences ====="
80    print contents(target[1])
81    # Generate status file contents based on exit status of diff-out
82    if status == 0:
83        status_str = "passed."
84    else:
85        status_str = "FAILED!"
86    f = file(str(target[2]), 'w')
87    print >>f, env.subst('${TARGETS[2].dir}', target=target, source=source), \
88          status_str
89    f.close()
90    # done
91    return 0
92
93def check_test_string(target, source, env):
94    return env.subst("Comparing outputs in ${TARGETS[0].dir}.",
95                     target=target, source=source)
96
97testAction = env.Action(check_test, check_test_string)
98
99def print_test(target, source, env):
100    print '***** ' + contents(source[0])
101    return 0
102
103printAction = env.Action(print_test, strfunction = None)
104
105# Static vars for update_test:
106# - long-winded message about ignored sources
107ignore_msg = '''
108Note: The following file(s) will not be copied.  New non-standard
109      output files must be copied manually once before update_ref will
110      recognize them as outputs.  Otherwise they are assumed to be
111      inputs and are ignored.
112'''
113# - reference files always needed
114needed_files = set(['stdout', 'stderr', 'm5stats.txt', 'config.ini'])
115# - source files we always want to ignore
116known_ignores = set(['status', 'outdiff', 'statsdiff'])
117
118def update_test(target, source, env):
119    """Update reference test outputs.
120
121    Target is phony.  First two sources are the ref & new m5stats.txt
122    files, respectively.  We actually copy everything in the
123    respective directories except the status & diff output files.
124
125    """
126    dest_dir = str(source[0].get_dir())
127    src_dir = str(source[1].get_dir())
128    dest_files = set(os.listdir(dest_dir))
129    src_files = set(os.listdir(src_dir))
130    # Copy all of the required files plus any existing dest files.
131    wanted_files = needed_files | dest_files
132    missing_files = wanted_files - src_files
133    if len(missing_files) > 0:
134        print "  WARNING: the following file(s) are missing " \
135              "and will not be updated:"
136        print "    ", " ,".join(missing_files)
137    copy_files = wanted_files - missing_files
138    warn_ignored_files = (src_files - copy_files) - known_ignores
139    if len(warn_ignored_files) > 0:
140        print ignore_msg,
141        print "       ", ", ".join(warn_ignored_files)
142    for f in copy_files:
143        if f in dest_files:
144            print "  Replacing file", f
145            dest_files.remove(f)
146        else:
147            print "  Creating new file", f
148        copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f))
149        copyAction.strfunction = None
150        Execute(copyAction)
151    return 0
152
153def update_test_string(target, source, env):
154    return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}",
155                     target=target, source=source)
156
157updateAction = env.Action(update_test, update_test_string)
158
159def test_builder(env, ref_dir):
160    """Define a test."""
161
162    (category, name, _ref, isa, opsys, config) = ref_dir.split('/')
163    assert(_ref == 'ref')
164
165    # target path (where test output goes) is the same except without
166    # the 'ref' component
167    tgt_dir = os.path.join(category, name, isa, opsys, config)
168
169    # prepend file name with tgt_dir
170    def tgt(f):
171        return os.path.join(tgt_dir, f)
172
173    ref_stats = os.path.join(ref_dir, 'm5stats.txt')
174    new_stats = tgt('m5stats.txt')
175    status_file = tgt('status')
176
177    # Base command for running test.  We mess around with indirectly
178    # referring to files via SOURCES and TARGETS so that scons can
179    # mess with paths all it wants to and we still get the right
180    # files.
181    base_cmd = '${SOURCES[0]} -d $TARGET.dir ${SOURCES[1]} %s' % tgt_dir
182    # stdout and stderr files
183    cmd_stdout = '${TARGETS[0]}'
184    cmd_stderr = '${TARGETS[1]}'
185
186    # Prefix test run with batch job submission command if appropriate.
187    # Output redirection is also different for batch runs.
188    # Batch command also supports timeout arg (in seconds, not minutes).
189    timeout = 15 # used to be a param, probably should be again
190    if env['BATCH']:
191        cmd = [env['BATCH_CMD'], '-t', str(timeout * 60),
192               '-o', cmd_stdout, '-e', cmd_stderr, base_cmd]
193    else:
194        cmd = [base_cmd, '>', cmd_stdout, '2>', cmd_stderr]
195
196    env.Command([tgt('stdout'), tgt('stderr'), new_stats],
197                [env.M5Binary, 'run.py'], ' '.join(cmd))
198
199    # order of targets is important... see check_test
200    env.Command([tgt('outdiff'), tgt('statsdiff'), status_file],
201                [ref_stats, new_stats],
202                testAction)
203
204    # phony target to echo status
205    if env['update_ref']:
206        p = env.Command(tgt('_update'),
207                        [ref_stats, new_stats, status_file],
208                        updateAction)
209    else:
210        p = env.Command(tgt('_print'), [status_file], printAction)
211
212    env.AlwaysBuild(p)
213
214
215# Figure out applicable configs based on build type
216configs = []
217if env['FULL_SYSTEM']:
218    if env['TARGET_ISA'] == 'alpha':
219        if not env['ALPHA_TLASER']:
220            configs += ['tsunami-simple-atomic',
221                        'tsunami-simple-timing',
222                        'tsunami-simple-atomic-dual',
223                        'tsunami-simple-timing-dual',
224                        'twosys-tsunami-simple-atomic']
225    if env['TARGET_ISA'] == 'sparc':
226        configs += ['t1000-simple-atomic',
227                    't1000-simple-timing']
228
229else:
230    configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest']
231
232cwd = os.getcwd()
233os.chdir(str(Dir('.').srcdir))
234for config in configs:
235    dirs = glob.glob('*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config))
236    for d in dirs:
237        test_builder(env, d)
238os.chdir(cwd)
239