SConscript revision 4019 
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
105def update_test(target, source, env):
106    """Update reference test outputs.
107
108    Target is phony.  First two sources are the ref & new m5stats.txt
109    files, respectively.  We actually copy everything in the
110    respective directories except the status & diff output files.
111
112    """
113    dest_dir = str(source[0].get_dir())
114    src_dir = str(source[1].get_dir())
115    dest_files = os.listdir(dest_dir)
116    src_files = os.listdir(src_dir)
117    for f in ('stdout', 'stderr', 'm5stats.txt', 'config.ini', 'config.out'):
118        if f in dest_files:
119            print "  Replacing file", f
120            dest_files.remove(f)
121        else:
122            print "  Creating new file", f
123        copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f))
124        copyAction.strfunction = None
125        Execute(copyAction)
126    # warn about any files in dest not overwritten (other than SCCS dir)
127    if 'SCCS' in dest_files:
128        dest_files.remove('SCCS')
129    if dest_files:
130        print "Warning: file(s) in", dest_dir, "not updated:",
131        print ', '.join(dest_files)
132    return 0
133
134def update_test_string(target, source, env):
135    return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}",
136                     target=target, source=source)
137
138updateAction = env.Action(update_test, update_test_string)
139
140def test_builder(env, ref_dir):
141    """Define a test."""
142
143    (category, name, _ref, isa, opsys, config) = ref_dir.split('/')
144    assert(_ref == 'ref')
145
146    # target path (where test output goes) is the same except without
147    # the 'ref' component
148    tgt_dir = os.path.join(category, name, isa, opsys, config)
149
150    # prepend file name with tgt_dir
151    def tgt(f):
152        return os.path.join(tgt_dir, f)
153
154    ref_stats = os.path.join(ref_dir, 'm5stats.txt')
155    new_stats = tgt('m5stats.txt')
156    status_file = tgt('status')
157
158    # Base command for running test.  We mess around with indirectly
159    # referring to files via SOURCES and TARGETS so that scons can
160    # mess with paths all it wants to and we still get the right
161    # files.
162    base_cmd = '${SOURCES[0]} -d $TARGET.dir ${SOURCES[1]} %s' % tgt_dir
163    # stdout and stderr files
164    cmd_stdout = '${TARGETS[0]}'
165    cmd_stderr = '${TARGETS[1]}'
166
167    # Prefix test run with batch job submission command if appropriate.
168    # Output redirection is also different for batch runs.
169    # Batch command also supports timeout arg (in seconds, not minutes).
170    timeout = 15 # used to be a param, probably should be again
171    if env['BATCH']:
172        cmd = [env['BATCH_CMD'], '-t', str(timeout * 60),
173               '-o', cmd_stdout, '-e', cmd_stderr, base_cmd]
174    else:
175        cmd = [base_cmd, '>', cmd_stdout, '2>', cmd_stderr]
176            
177    env.Command([tgt('stdout'), tgt('stderr'), new_stats],
178                [env.M5Binary, 'run.py'], ' '.join(cmd))
179
180    # order of targets is important... see check_test
181    env.Command([tgt('outdiff'), tgt('statsdiff'), status_file],
182                [ref_stats, new_stats],
183                testAction)
184
185    # phony target to echo status
186    if env['update_ref']:
187        p = env.Command(tgt('_update'),
188                        [ref_stats, new_stats, status_file],
189                        updateAction)
190    else:
191        p = env.Command(tgt('_print'), [status_file], printAction)
192
193    env.AlwaysBuild(p)
194
195
196# Figure out applicable configs based on build type
197configs = []
198if env['FULL_SYSTEM']:
199    if env['TARGET_ISA'] == 'alpha':
200        if not env['ALPHA_TLASER']:
201            configs += ['tsunami-simple-atomic',
202                        'tsunami-simple-timing',
203                        'tsunami-simple-atomic-dual',
204                        'tsunami-simple-timing-dual',
205			'twosys-tsunami-simple-atomic']
206
207else:
208    configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest']
209
210cwd = os.getcwd()
211os.chdir(str(Dir('.').srcdir))
212for config in configs:
213    dirs = glob.glob('*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config))
214    for d in dirs:
215        test_builder(env, d)
216os.chdir(cwd)
217