gem5/tests/SConscript
Andreas Hansson eed0795f3a tests: Run regression timeout as foreground
Allow the user to send signals such as Ctrl C to the gem5 runs. Note
that this assumes coreutils >= 8.13, which aligns with Ubuntu 12.04
and RHE6.
2015-03-02 04:00:29 -05:00

374 lines
14 KiB
Python

# -*- 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, signal
import sys, time
import glob
from SCons.Script.SConscript import SConsEnvironment
Import('env')
env['DIFFOUT'] = File('diff-out')
# get the termcap from the environment
termcap = env['TERMCAP']
# Dict that accumulates lists of tests by category (quick, medium, long)
env.Tests = {}
def contents(node):
return file(str(node)).read()
# functions to parse return value from scons Execute()... not the same
# as wait() etc., so python built-in os funcs don't work.
def signaled(status):
return (status & 0x80) != 0;
def signum(status):
return (status & 0x7f);
# List of signals that indicate that we should retry the test rather
# than consider it failed.
retry_signals = (signal.SIGTERM, signal.SIGKILL, signal.SIGINT,
signal.SIGQUIT, signal.SIGHUP)
# regular expressions of lines to ignore when diffing outputs
output_ignore_regexes = (
'^command line:', # for stdout file
'^gem5 compiled ', # for stderr file
'^gem5 started ', # for stderr file
'^gem5 executing on ', # for stderr file
'^Simulation complete at', # for stderr file
'^Listening for', # for stderr file
'listening for remote gdb', # for stderr file
)
output_ignore_args = ' '.join(["-I '"+s+"'" for s in output_ignore_regexes])
output_ignore_args += ' --exclude=stats.txt --exclude=outdiff'
def run_test(target, source, env):
"""Check output from running test.
Targets are as follows:
target[0] : status
Sources are:
source[0] : gem5 binary
source[1] : tests/run.py script
source[2] : reference stats file
"""
# make sure target files are all gone
for t in target:
if os.path.exists(t.abspath):
env.Execute(Delete(t.abspath))
tgt_dir = os.path.dirname(str(target[0]))
# 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.
cmd = '${SOURCES[0]} -d %s -re ${SOURCES[1]} %s' % (tgt_dir, tgt_dir)
# Prefix test run with batch job submission command if appropriate.
# Batch command also supports timeout arg (in seconds, not minutes).
timeout = 15 * 60 # used to be a param, probably should be again
if env['BATCH']:
cmd = '%s -t %d %s' % (env['BATCH_CMD'], timeout, cmd)
# The slowest regression (bzip2) requires ~2.8 hours;
# 4 hours was chosen to be conservative.
elif env['TIMEOUT']:
cmd = 'timeout --foreground 4h %s' % cmd
# Create a default value for the status string, changed as needed
# based on the status.
status_str = "passed."
pre_exec_time = time.time()
status = env.Execute(env.subst(cmd, target=target, source=source))
if status == 0:
# gem5 terminated normally.
# Run diff on output & ref directories to find differences.
# Exclude the stats file since we will use diff-out on that.
# NFS file systems can be annoying and not have updated yet
# wait until we see the file modified
statsdiff = os.path.join(tgt_dir, 'statsdiff')
m_time = 0
nap = 0
while m_time < pre_exec_time and nap < 10:
try:
m_time = os.stat(statsdiff).st_mtime
except OSError:
pass
time.sleep(1)
nap += 1
outdiff = os.path.join(tgt_dir, 'outdiff')
# tack 'true' on the end so scons doesn't report diff's
# non-zero exit code as a build error
diffcmd = 'diff -ubrs %s ${SOURCES[2].dir} %s > %s; true' \
% (output_ignore_args, tgt_dir, outdiff)
env.Execute(env.subst(diffcmd, target=target, source=source))
print "===== Output differences ====="
print contents(outdiff)
# Run diff-out on stats.txt file
diffcmd = '$DIFFOUT ${SOURCES[2]} %s > %s' \
% (os.path.join(tgt_dir, 'stats.txt'), statsdiff)
diffcmd = env.subst(diffcmd, target=target, source=source)
diff_status = env.Execute(diffcmd, strfunction=None)
# If there is a difference, change the status string to say so
if diff_status != 0:
status_str = "CHANGED!"
print "===== Statistics differences ====="
print contents(statsdiff)
else: # gem5 exit status != 0
# Consider it a failed test unless the exit status is 2
status_str = "FAILED!"
# gem5 did not terminate properly, so no need to check the output
if env['TIMEOUT'] and status == 124:
status_str = "TIMED-OUT!"
elif signaled(status):
print 'gem5 terminated with signal', signum(status)
if signum(status) in retry_signals:
# Consider the test incomplete; don't create a 'status' output.
# Hand the return status to scons and let scons decide what
# to do about it (typically terminate unless run with -k).
return status
elif status == 2:
# The test was skipped, change the status string to say so
status_str = "skipped."
else:
print 'gem5 exited with non-zero status', status
# complete but failed execution (call to exit() with non-zero
# status, SIGABORT due to assertion failure, etc.)... fall through
# and generate FAILED status as if output comparison had failed
# Generate status file contents based on exit status of gem5 and diff-out
f = file(str(target[0]), 'w')
print >>f, tgt_dir, status_str
f.close()
# done
return 0
def run_test_string(target, source, env):
return env.subst("Running test in ${TARGETS[0].dir}.",
target=target, source=source)
testAction = env.Action(run_test, run_test_string)
def print_test(target, source, env):
# print the status with colours to make it easier to see what
# passed and what failed
line = contents(source[0])
# split the line to words and get the last one
words = line.split()
status = words[-1]
# if the test failed make it red, if it passed make it green, and
# skip the punctuation
if status == "FAILED!" or status == "TIMED-OUT!":
status = termcap.Red + status[:-1] + termcap.Normal + status[-1]
elif status == "CHANGED!":
status = termcap.Yellow + status[:-1] + termcap.Normal + status[-1]
elif status == "passed.":
status = termcap.Green + status[:-1] + termcap.Normal + status[-1]
elif status == "skipped.":
status = termcap.Cyan + status[:-1] + termcap.Normal + status[-1]
# put it back in the list and join with space
words[-1] = status
line = " ".join(words)
print '***** ' + line
return 0
printAction = env.Action(print_test, strfunction = None)
# Static vars for update_test:
# - long-winded message about ignored sources
ignore_msg = '''
Note: The following file(s) will not be copied. New non-standard
output files must be copied manually once before --update-ref will
recognize them as outputs. Otherwise they are assumed to be
inputs and are ignored.
'''
# - reference files always needed
needed_files = set(['simout', 'simerr', 'stats.txt', 'config.ini'])
# - source files we always want to ignore
known_ignores = set(['status', 'outdiff', 'statsdiff'])
def update_test(target, source, env):
"""Update reference test outputs.
Target is phony. First two sources are the ref & new stats.txt file
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 = set(os.listdir(dest_dir))
src_files = set(os.listdir(src_dir))
# Copy all of the required files plus any existing dest files.
wanted_files = needed_files | dest_files
missing_files = wanted_files - src_files
if len(missing_files) > 0:
print " WARNING: the following file(s) are missing " \
"and will not be updated:"
print " ", " ,".join(missing_files)
copy_files = wanted_files - missing_files
warn_ignored_files = (src_files - copy_files) - known_ignores
if len(warn_ignored_files) > 0:
print ignore_msg,
print " ", ", ".join(warn_ignored_files)
for f in copy_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
env.Execute(copyAction)
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."""
path = list(ref_dir.split('/'))
# target path (where test output goes) consists of category, mode,
# name, isa, opsys, and config (skips the 'ref' component)
assert(path.pop(-4) == 'ref')
tgt_dir = os.path.join(*path[-6:])
# local closure for prepending target path to filename
def tgt(f):
return os.path.join(tgt_dir, f)
ref_stats = os.path.join(ref_dir, 'stats.txt')
new_stats = tgt('stats.txt')
status_file = tgt('status')
env.Command([status_file, new_stats],
[env.M5Binary, 'run.py', ref_stats],
testAction)
# phony target to echo status
if GetOption('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)
# Figure out applicable configs based on build type
configs = []
if env['TARGET_ISA'] == 'alpha':
configs += ['tsunami-simple-atomic',
'tsunami-simple-timing',
'tsunami-simple-atomic-dual',
'tsunami-simple-timing-dual',
'twosys-tsunami-simple-atomic',
'tsunami-o3', 'tsunami-o3-dual',
'tsunami-minor', 'tsunami-minor-dual',
'tsunami-switcheroo-full']
if env['TARGET_ISA'] == 'sparc':
configs += ['t1000-simple-atomic',
't1000-simple-timing']
if env['TARGET_ISA'] == 'arm':
configs += ['simple-atomic-dummychecker',
'o3-timing-checker',
'realview-simple-atomic',
'realview-simple-atomic-dual',
'realview-simple-timing',
'realview-simple-timing-dual',
'realview-o3',
'realview-o3-checker',
'realview-o3-dual',
'realview-minor',
'realview-minor-dual',
'realview-switcheroo-atomic',
'realview-switcheroo-timing',
'realview-switcheroo-o3',
'realview-switcheroo-full',
'realview64-simple-atomic',
'realview64-simple-atomic-dual',
'realview64-simple-timing',
'realview64-simple-timing-dual',
'realview64-o3',
'realview64-o3-checker',
'realview64-o3-dual',
'realview64-minor',
'realview64-minor-dual',
'realview64-switcheroo-atomic',
'realview64-switcheroo-timing',
'realview64-switcheroo-o3',
'realview64-switcheroo-full']
if env['TARGET_ISA'] == 'x86':
configs += ['pc-simple-atomic',
'pc-simple-timing',
'pc-o3-timing',
'pc-switcheroo-full']
configs += ['simple-atomic', 'simple-atomic-mp',
'simple-timing', 'simple-timing-mp',
'minor-timing', 'minor-timing-mp',
'o3-timing', 'o3-timing-mp',
'rubytest', 'memtest', 'memtest-filter',
'tgen-simple-mem', 'tgen-dram-ctrl']
if env['PROTOCOL'] != 'None':
if env['PROTOCOL'] == 'MI_example':
configs += [c + "-ruby" for c in configs]
else:
configs = [c + "-ruby-" + env['PROTOCOL'] for c in configs]
src = Dir('.').srcdir
for config in configs:
dirs = src.glob('*/*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config))
for d in dirs:
d = str(d)
if not os.path.exists(os.path.join(d, 'skip')):
test_builder(env, d)