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v8/tools/testrunner/base_runner.py
Michal Majewski 80cb266c75 Deprecate buildbot option and discover build directory automatically. 
Bug: v8:6917
Change-Id: I0dc20f84257b501d217e00cb29b34dd2a985ecf9
Reviewed-on: https://chromium-review.googlesource.com/737834
Commit-Queue: Michał Majewski <majeski@google.com>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49189}
2017-11-07 13:18:53 +00:00

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# Copyright 2017 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import optparse
import os
import sys
# Add testrunner to the path.
sys.path.insert(
0,
os.path.dirname(
os.path.dirname(os.path.abspath(__file__))))
from local import utils
BASE_DIR = (
os.path.dirname(
os.path.dirname(
os.path.dirname(
os.path.abspath(__file__)))))
DEFAULT_OUT_GN = 'out.gn'
ARCH_GUESS = utils.DefaultArch()
# Map of test name synonyms to lists of test suites. Should be ordered by
# expected runtimes (suites with slow test cases first). These groups are
# invoked in separate steps on the bots.
TEST_MAP = {
# This needs to stay in sync with test/bot_default.isolate.
"bot_default": [
"debugger",
"mjsunit",
"cctest",
"wasm-spec-tests",
"inspector",
"webkit",
"mkgrokdump",
"fuzzer",
"message",
"preparser",
"intl",
"unittests",
],
# This needs to stay in sync with test/default.isolate.
"default": [
"debugger",
"mjsunit",
"cctest",
"wasm-spec-tests",
"inspector",
"mkgrokdump",
"fuzzer",
"message",
"preparser",
"intl",
"unittests",
],
# This needs to stay in sync with test/optimize_for_size.isolate.
"optimize_for_size": [
"debugger",
"mjsunit",
"cctest",
"inspector",
"webkit",
"intl",
],
"unittests": [
"unittests",
],
}
class ModeConfig(object):
def __init__(self, flags, timeout_scalefactor, status_mode, execution_mode):
self.flags = flags
self.timeout_scalefactor = timeout_scalefactor
self.status_mode = status_mode
self.execution_mode = execution_mode
DEBUG_FLAGS = ["--nohard-abort", "--enable-slow-asserts", "--verify-heap"]
RELEASE_FLAGS = ["--nohard-abort"]
MODES = {
"debug": ModeConfig(
flags=DEBUG_FLAGS,
timeout_scalefactor=4,
status_mode="debug",
execution_mode="debug",
),
"optdebug": ModeConfig(
flags=DEBUG_FLAGS,
timeout_scalefactor=4,
status_mode="debug",
execution_mode="debug",
),
"release": ModeConfig(
flags=RELEASE_FLAGS,
timeout_scalefactor=1,
status_mode="release",
execution_mode="release",
),
# Normal trybot release configuration. There, dchecks are always on which
# implies debug is set. Hence, the status file needs to assume debug-like
# behavior/timeouts.
"tryrelease": ModeConfig(
flags=RELEASE_FLAGS,
timeout_scalefactor=1,
status_mode="debug",
execution_mode="release",
),
# This mode requires v8 to be compiled with dchecks and slow dchecks.
"slowrelease": ModeConfig(
flags=RELEASE_FLAGS + ["--enable-slow-asserts"],
timeout_scalefactor=2,
status_mode="debug",
execution_mode="release",
),
}
class TestRunnerError(Exception):
pass
class BuildConfig(object):
def __init__(self, build_config):
# In V8 land, GN's x86 is called ia32.
if build_config['v8_target_cpu'] == 'x86':
self.arch = 'ia32'
else:
self.arch = build_config['v8_target_cpu']
self.is_debug = build_config['is_debug']
self.asan = build_config['is_asan']
self.cfi_vptr = build_config['is_cfi']
self.dcheck_always_on = build_config['dcheck_always_on']
self.gcov_coverage = build_config['is_gcov_coverage']
self.msan = build_config['is_msan']
self.no_i18n = not build_config['v8_enable_i18n_support']
self.no_snap = not build_config['v8_use_snapshot']
self.predictable = build_config['v8_enable_verify_predictable']
self.tsan = build_config['is_tsan']
self.ubsan_vptr = build_config['is_ubsan_vptr']
def __str__(self):
detected_options = []
if self.asan:
detected_options.append('asan')
if self.cfi_vptr:
detected_options.append('cfi_vptr')
if self.dcheck_always_on:
detected_options.append('dcheck_always_on')
if self.gcov_coverage:
detected_options.append('gcov_coverage')
if self.msan:
detected_options.append('msan')
if self.no_i18n:
detected_options.append('no_i18n')
if self.no_snap:
detected_options.append('no_snap')
if self.predictable:
detected_options.append('predictable')
if self.tsan:
detected_options.append('tsan')
if self.ubsan_vptr:
detected_options.append('ubsan_vptr')
return '\n'.join(detected_options)
class BaseTestRunner(object):
def __init__(self):
self.outdir = None
self.build_config = None
self.mode_name = None
self.mode_options = None
def execute(self):
try:
parser = self._create_parser()
options, args = self._parse_args(parser)
self._load_build_config(options)
try:
self._process_default_options(options)
self._process_options(options)
except TestRunnerError:
parser.print_help()
raise
self._setup_env()
return self._do_execute(options, args)
except TestRunnerError:
return 1
def _create_parser(self):
parser = optparse.OptionParser()
parser.usage = '%prog [options] [tests]'
parser.description = """TESTS: %s""" % (TEST_MAP["default"])
self._add_parser_default_options(parser)
self._add_parser_options(parser)
return parser
def _add_parser_default_options(self, parser):
parser.add_option("--gn", help="Scan out.gn for the last built"
" configuration",
default=False, action="store_true")
parser.add_option("--outdir", help="Base directory with compile output",
default="out")
parser.add_option("--buildbot", help="DEPRECATED!",
default=False, action="store_true")
parser.add_option("--arch",
help="The architecture to run tests for")
parser.add_option("-m", "--mode",
help="The test mode in which to run (uppercase for ninja"
" and buildbot builds): %s" % MODES.keys())
parser.add_option("--shell-dir", help="DEPRECATED! Executables from build "
"directory will be used")
parser.add_option("-v", "--verbose", help="Verbose output",
default=False, action="store_true")
def _add_parser_options(self, parser):
pass
def _parse_args(self, parser):
options, args = parser.parse_args()
if any(map(lambda v: v and ',' in v,
[options.arch, options.mode])):
print 'Multiple arch/mode are deprecated'
raise TestRunnerError()
return options, args
def _load_build_config(self, options):
for outdir in self._possible_outdirs(options):
try:
self.build_config = self._do_load_build_config(outdir, options.verbose)
except TestRunnerError:
pass
if not self.build_config:
print 'Failed to load build config'
raise TestRunnerError
print 'Build found: %s' % self.outdir
if str(self.build_config):
print '>>> Autodetected:'
print self.build_config
# Returns possible build paths in order:
# gn
# outdir
# outdir/arch.mode
# Each path is provided in two versions: <path> and <path>/mode for buildbot.
def _possible_outdirs(self, options):
def outdirs():
if options.gn:
yield self._get_gn_outdir()
return
yield options.outdir
if options.arch and options.mode:
yield os.path.join(options.outdir,
'%s.%s' % (options.arch, options.mode))
for outdir in outdirs():
yield os.path.join(BASE_DIR, outdir)
# buildbot option
if options.mode:
yield os.path.join(BASE_DIR, outdir, options.mode)
def _get_gn_outdir(self):
gn_out_dir = os.path.join(BASE_DIR, DEFAULT_OUT_GN)
latest_timestamp = -1
latest_config = None
for gn_config in os.listdir(gn_out_dir):
gn_config_dir = os.path.join(gn_out_dir, gn_config)
if not os.path.isdir(gn_config_dir):
continue
if os.path.getmtime(gn_config_dir) > latest_timestamp:
latest_timestamp = os.path.getmtime(gn_config_dir)
latest_config = gn_config
if latest_config:
print(">>> Latest GN build found: %s" % latest_config)
return os.path.join(DEFAULT_OUT_GN, latest_config)
def _do_load_build_config(self, outdir, verbose=False):
build_config_path = os.path.join(outdir, "v8_build_config.json")
if not os.path.exists(build_config_path):
if verbose:
print("Didn't find build config: %s" % build_config_path)
raise TestRunnerError()
with open(build_config_path) as f:
try:
build_config_json = json.load(f)
except Exception:
print("%s exists but contains invalid json. Is your build up-to-date?"
% build_config_path)
raise TestRunnerError()
# In auto-detect mode the outdir is always where we found the build config.
# This ensures that we'll also take the build products from there.
self.outdir = os.path.dirname(build_config_path)
return BuildConfig(build_config_json)
def _process_default_options(self, options):
# We don't use the mode for more path-magic.
# Therefore transform the buildbot mode here to fix build_config value.
if options.mode:
options.mode = self._buildbot_to_v8_mode(options.mode)
build_config_mode = 'debug' if self.build_config.is_debug else 'release'
if options.mode:
if options.mode not in MODES:
print '%s mode is invalid' % options.mode
raise TestRunnerError()
if MODES[options.mode].execution_mode != build_config_mode:
print ('execution mode (%s) for %s is inconsistent with build config '
'(%s)' % (
MODES[options.mode].execution_mode,
options.mode,
build_config_mode))
raise TestRunnerError()
self.mode_name = options.mode
else:
self.mode_name = build_config_mode
self.mode_options = MODES[self.mode_name]
if options.arch and options.arch != self.build_config.arch:
print('--arch value (%s) inconsistent with build config (%s).' % (
options.arch, self.build_config.arch))
raise TestRunnerError()
if options.shell_dir:
print('Warning: --shell-dir is deprecated. Searching for executables in '
'build directory (%s) instead.' % self.outdir)
def _buildbot_to_v8_mode(self, config):
"""Convert buildbot build configs to configs understood by the v8 runner.
V8 configs are always lower case and without the additional _x64 suffix
for 64 bit builds on windows with ninja.
"""
mode = config[:-4] if config.endswith('_x64') else config
return mode.lower()
def _process_options(self, options):
pass
def _setup_env(self):
# Use the v8 root as cwd as some test cases use "load" with relative paths.
os.chdir(BASE_DIR)
# Many tests assume an English interface.
os.environ['LANG'] = 'en_US.UTF-8'
symbolizer_option = self._get_external_symbolizer_option()
if self.build_config.asan:
asan_options = [
symbolizer_option,
'allow_user_segv_handler=1',
'allocator_may_return_null=1',
]
if not utils.GuessOS() in ['macos', 'windows']:
# LSAN is not available on mac and windows.
asan_options.append('detect_leaks=1')
else:
asan_options.append('detect_leaks=0')
os.environ['ASAN_OPTIONS'] = ":".join(asan_options)
if self.build_config.cfi_vptr:
os.environ['UBSAN_OPTIONS'] = ":".join([
'print_stacktrace=1',
'print_summary=1',
'symbolize=1',
symbolizer_option,
])
if self.build_config.ubsan_vptr:
os.environ['UBSAN_OPTIONS'] = ":".join([
'print_stacktrace=1',
symbolizer_option,
])
if self.build_config.msan:
os.environ['MSAN_OPTIONS'] = symbolizer_option
if self.build_config.tsan:
suppressions_file = os.path.join(
BASE_DIR,
'tools',
'sanitizers',
'tsan_suppressions.txt')
os.environ['TSAN_OPTIONS'] = " ".join([
symbolizer_option,
'suppressions=%s' % suppressions_file,
'exit_code=0',
'report_thread_leaks=0',
'history_size=7',
'report_destroy_locked=0',
])
def _get_external_symbolizer_option(self):
external_symbolizer_path = os.path.join(
BASE_DIR,
'third_party',
'llvm-build',
'Release+Asserts',
'bin',
'llvm-symbolizer',
)
if utils.IsWindows():
# Quote, because sanitizers might confuse colon as option separator.
external_symbolizer_path = '"%s.exe"' % external_symbolizer_path
return 'external_symbolizer_path=%s' % external_symbolizer_path
# TODO(majeski): remove options & args parameters
def _do_execute(self, options, args):
raise NotImplementedError()
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