SConscript revision 2929 
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 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
29import os
30import sys
31import glob
32from SCons.Script.SConscript import SConsEnvironment
33
34Import('env')
35
36env['DIFFOUT'] = File('diff-out')
37
38# Dict that accumulates lists of tests by category (quick, medium, long)
39env.Tests = {}
40
41def contents(node):
42    return file(str(node)).read()
43
44def check_test(target, source, env):
45    """Check output from running test.
46
47    Targets are as follows:
48    target[0] : outdiff
49    target[1] : statsdiff
50    target[2] : status
51
52    """
53    # make sure target files are all gone
54    for t in target:
55        if os.path.exists(t.abspath):
56            Execute(Delete(t.abspath))
57    # Run diff on output & ref directories to find differences.
58    # Exclude m5stats.txt since we will use diff-out on that.
59    Execute(env.subst('diff -ubr ${SOURCES[0].dir} ${SOURCES[1].dir} ' +
60                      '-I "^command line:" ' +		# for stdout file
61                      '-I "^M5 compiled on" ' +		# for stderr file
62                      '-I "^M5 simulation started" ' +	# for stderr file
63                      '-I "^Simulation complete at" ' +	# for stderr file
64                      '-I "^Listening for" ' +		# for stderr file
65                      '--exclude=m5stats.txt --exclude=SCCS ' +
66                      '--exclude=${TARGETS[0].file} ' +
67                      '> ${TARGETS[0]}', target=target, source=source), None)
68    print "===== Output differences ====="
69    print contents(target[0])
70    # Run diff-out on m5stats.txt file
71    status = Execute(env.subst('$DIFFOUT $SOURCES > ${TARGETS[1]}',
72                               target=target, source=source),
73                     strfunction=None)
74    print "===== Statistics differences ====="
75    print contents(target[1])
76    # Generate status file contents based on exit status of diff-out
77    if status == 0:
78        status_str = "passed."
79    else:
80        status_str = "FAILED!"
81    f = file(str(target[2]), 'w')
82    print >>f, env.subst('${TARGETS[2].dir}', target=target, source=source), \
83          status_str
84    f.close()
85    # done
86    return 0
87
88def check_test_string(target, source, env):
89    return env.subst("Comparing outputs in ${TARGETS[0].dir}.",
90                     target=target, source=source)
91
92testAction = env.Action(check_test, check_test_string)
93
94def print_test(target, source, env):
95    print '***** ' + contents(source[0])
96    return 0
97
98printAction = env.Action(print_test, strfunction = None)
99
100def update_test(target, source, env):
101    """Update reference test outputs.
102
103    Target is phony.  First two sources are the ref & new m5stats.txt
104    files, respectively.  We actually copy everything in the
105    respective directories except the status & diff output files.
106
107    """
108    dest_dir = str(source[0].get_dir())
109    src_dir = str(source[1].get_dir())
110    dest_files = os.listdir(dest_dir)
111    src_files = os.listdir(src_dir)
112    # Exclude status & diff outputs
113    for f in ('outdiff', 'statsdiff', 'status'):
114        if f in src_files:
115            src_files.remove(f)
116    for f in src_files:
117        if f in dest_files:
118            print "  Replacing file", f
119            dest_files.remove(f)
120        else:
121            print "  Creating new file", f
122        copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f))
123        copyAction.strfunction = None
124        Execute(copyAction)
125    # warn about any files in dest not overwritten (other than SCCS dir)
126    if 'SCCS' in dest_files:
127        dest_files.remove('SCCS')
128    if dest_files:
129        print "Warning: file(s) in", dest_dir, "not updated:",
130        print ', '.join(dest_files)
131    return 0
132
133def update_test_string(target, source, env):
134    return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}",
135                     target=target, source=source)
136
137updateAction = env.Action(update_test, update_test_string)
138
139def test_builder(env, category, cpu_list=[], os_list=[], refdir='ref', timeout=15):
140    """Define a test.
141
142    Args:
143    category -- string describing test category (e.g., 'quick')
144    cpu_list -- list of CPUs to runs this test on (blank means all compiled CPUs)
145    os_list -- list of OSs to run this test on
146    refdir -- subdirectory containing reference output (default 'ref')
147    timeout -- test timeout in minutes (only enforced on pool)
148
149    """
150
151    default_refdir = False
152    if refdir == 'ref':
153        default_refdir = True
154    if len(cpu_list) == 0:
155        cpu_list = env['CPU_MODELS']
156#    if len(os_list) == 0:
157#        raise RuntimeError, "No OS specified"
158#    else:
159#        for test_os in os_list:
160#            build_cpu_test(env, category, test_os, cpu_list, refdir, timeout)
161    # Loop through CPU models and generate proper options, ref directories for each
162    for cpu in cpu_list:
163        test_os = ''
164        if cpu == "AtomicSimpleCPU":
165            cpu_option = ('','atomic/')
166        elif cpu == "TimingSimpleCPU":
167            cpu_option = ('--timing','timing/')
168        elif cpu == "O3CPU":
169            cpu_option = ('--detailed','detailed/')
170        else:
171            raise TypeError, "Unknown CPU model specified"
172
173        if default_refdir:
174            # Reference stats located in ref/arch/os/cpu or ref/arch/cpu if no OS specified
175            test_refdir = os.path.join(refdir, env['TARGET_ISA'])
176            if test_os != '':
177                test_refdir = os.path.join(test_refdir, test_os)
178            cpu_refdir = os.path.join(test_refdir, cpu_option[1])
179
180        ref_stats = os.path.join(cpu_refdir, 'm5stats.txt')
181
182        # base command for running test
183        base_cmd = '${SOURCES[0]} -d $TARGET.dir ${SOURCES[1]}'
184        base_cmd = base_cmd + ' ' + cpu_option[0]
185        # stdout and stderr files
186        cmd_stdout = '${TARGETS[0]}'
187        cmd_stderr = '${TARGETS[1]}'
188
189        stdout_string = cpu_option[1] + 'stdout'
190        stderr_string = cpu_option[1] + 'stderr'
191        m5stats_string = cpu_option[1] + 'm5stats.txt'
192        outdiff_string =  cpu_option[1] + 'outdiff'
193        statsdiff_string = cpu_option[1] + 'statsdiff'
194        status_string = cpu_option[1] + 'status'
195
196        # Prefix test run with batch job submission command if appropriate.
197        # Output redirection is also different for batch runs.
198        # Batch command also supports timeout arg (in seconds, not minutes).
199        if env['BATCH']:
200            cmd = [env['BATCH_CMD'], '-t', str(timeout * 60),
201                   '-o', cmd_stdout, '-e', cmd_stderr, base_cmd]
202        else:
203            cmd = [base_cmd, '>', cmd_stdout, '2>', cmd_stderr]
204            
205        env.Command([stdout_string, stderr_string, m5stats_string], [env.M5Binary, 'run.py'],
206                    ' '.join(cmd))
207
208        # order of targets is important... see check_test
209        env.Command([outdiff_string, statsdiff_string, status_string],
210                    [ref_stats, m5stats_string],
211                    testAction)
212
213        # phony target to echo status
214        if env['update_ref']:
215            p = env.Command(cpu_option[1] + '_update', [ref_stats, m5stats_string, status_string],
216                            updateAction)
217        else:
218            p = env.Command(cpu_option[1] + '_print', [status_string], printAction)
219        env.AlwaysBuild(p)
220
221        env.Tests.setdefault(category, [])
222        env.Tests[category] += p
223
224# Make test_builder a "wrapper" function.  See SCons wiki page at
225# http://www.scons.org/cgi-bin/wiki/WrapperFunctions.
226SConsEnvironment.Test = test_builder
227
228cwd = os.getcwd()
229os.chdir(str(Dir('.').srcdir))
230scripts = glob.glob('*/SConscript')
231os.chdir(cwd)
232
233for s in scripts:
234    SConscript(s, exports = 'env', duplicate = False)
235
236# Set up phony commands for various test categories
237allTests = []
238for (key, val) in env.Tests.iteritems():
239    env.Command(key, val, env.NoAction)
240    allTests += val
241
242# The 'all' target is redundant since just specifying the test
243# directory name (e.g., ALPHA_SE/test/opt) has the same effect.
244env.Command('all', allTests, env.NoAction)
245