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# -*- mode:python -*-
# Copyright (c) 2004-2006 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
# Kevin Lim
import os
import sys
import glob
from SCons.Script.SConscript import SConsEnvironment
Import('env')
env['DIFFOUT'] = File('diff-out')
# Dict that accumulates lists of tests by category (quick, medium, long)
env.Tests = {}
def contents(node):
return file(str(node)).read()
def check_test(target, source, env):
"""Check output from running test.
Targets are as follows:
target[0] : outdiff
target[1] : statsdiff
target[2] : status
"""
# make sure target files are all gone
for t in target:
if os.path.exists(t.abspath):
Execute(Delete(t.abspath))
# Run diff on output & ref directories to find differences.
# Exclude m5stats.txt since we will use diff-out on that.
Execute(env.subst('diff -ubr ${SOURCES[0].dir} ${SOURCES[1].dir} ' +
'-I "^command line:" ' + # for stdout file
'-I "^M5 compiled on" ' + # for stderr file
'-I "^M5 simulation started" ' + # for stderr file
'-I "^Simulation complete at" ' + # for stderr file
'-I "^Listening for" ' + # for stderr file
'--exclude=m5stats.txt --exclude=SCCS ' +
'--exclude=${TARGETS[0].file} ' +
'> ${TARGETS[0]}', target=target, source=source), None)
print "===== Output differences ====="
print contents(target[0])
# Run diff-out on m5stats.txt file
status = Execute(env.subst('$DIFFOUT $SOURCES > ${TARGETS[1]}',
target=target, source=source),
strfunction=None)
print "===== Statistics differences ====="
print contents(target[1])
# Generate status file contents based on exit status of diff-out
if status == 0:
status_str = "passed."
else:
status_str = "FAILED!"
f = file(str(target[2]), 'w')
print >>f, env.subst('${TARGETS[2].dir}', target=target, source=source), \
status_str
f.close()
# done
return 0
def check_test_string(target, source, env):
return env.subst("Comparing outputs in ${TARGETS[0].dir}.",
target=target, source=source)
testAction = env.Action(check_test, check_test_string)
def print_test(target, source, env):
print '***** ' + contents(source[0])
return 0
printAction = env.Action(print_test, strfunction = None)
def update_test(target, source, env):
"""Update reference test outputs.
Target is phony. First two sources are the ref & new m5stats.txt
files, respectively. We actually copy everything in the
respective directories except the status & diff output files.
"""
dest_dir = str(source[0].get_dir())
src_dir = str(source[1].get_dir())
dest_files = os.listdir(dest_dir)
src_files = os.listdir(src_dir)
# Exclude status & diff outputs
for f in ('outdiff', 'statsdiff', 'status'):
if f in src_files:
src_files.remove(f)
for f in src_files:
if f in dest_files:
print " Replacing file", f
dest_files.remove(f)
else:
print " Creating new file", f
copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f))
copyAction.strfunction = None
Execute(copyAction)
# warn about any files in dest not overwritten (other than SCCS dir)
if 'SCCS' in dest_files:
dest_files.remove('SCCS')
if dest_files:
print "Warning: file(s) in", dest_dir, "not updated:",
print ', '.join(dest_files)
return 0
def update_test_string(target, source, env):
return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}",
target=target, source=source)
updateAction = env.Action(update_test, update_test_string)
def test_builder(env, ref_dir):
"""Define a test."""
(category, name, _ref, isa, opsys, config) = ref_dir.split('/')
assert(_ref == 'ref')
# target path (where test output goes) is the same except without
# the 'ref' component
tgt_dir = os.path.join(category, name, isa, opsys, config)
# prepend file name with tgt_dir
def tgt(f):
return os.path.join(tgt_dir, f)
ref_stats = os.path.join(ref_dir, 'm5stats.txt')
new_stats = tgt('m5stats.txt')
status_file = tgt('status')
# Base command for running test. We mess around with indirectly
# referring to files via SOURCES and TARGETS so that scons can
# mess with paths all it wants to and we still get the right
# files.
base_cmd = '${SOURCES[0]} -d $TARGET.dir ${SOURCES[1]} %s' % tgt_dir
# stdout and stderr files
cmd_stdout = '${TARGETS[0]}'
cmd_stderr = '${TARGETS[1]}'
# Prefix test run with batch job submission command if appropriate.
# Output redirection is also different for batch runs.
# Batch command also supports timeout arg (in seconds, not minutes).
if env['BATCH']:
cmd = [env['BATCH_CMD'], '-t', str(timeout * 60),
'-o', cmd_stdout, '-e', cmd_stderr, base_cmd]
else:
cmd = [base_cmd, '>', cmd_stdout, '2>', cmd_stderr]
env.Command([tgt('stdout'), tgt('stderr'), new_stats],
[env.M5Binary, 'run.py'], ' '.join(cmd))
# order of targets is important... see check_test
env.Command([tgt('outdiff'), tgt('statsdiff'), status_file],
[ref_stats, new_stats],
testAction)
# phony target to echo status
if env['update_ref']:
p = env.Command(tgt('_update'),
[ref_stats, new_stats, status_file],
updateAction)
else:
p = env.Command(tgt('_print'), [status_file], printAction)
env.AlwaysBuild(p)
cwd = os.getcwd()
os.chdir(str(Dir('.').srcdir))
for config in ['simple-atomic']:
dirs = glob.glob('*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config))
for d in dirs:
test_builder(env, d)
os.chdir(cwd)
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