v8/tools/testrunner/standard_runner.py
Michal Majewski 453a9f1b95 [test] Create commands after sharding.
Bug: v8:6917
Change-Id: I3a79a7f273df566035cee6a0e22be2e02d67d946
Reviewed-on: https://chromium-review.googlesource.com/808505
Commit-Queue: Michał Majewski <majeski@google.com>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49865}
2017-12-05 13:48:42 +00:00

555 lines
22 KiB
Python
Executable File

#!/usr/bin/env python
#
# 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.
from collections import OrderedDict
from os.path import join
import multiprocessing
import os
import random
import shlex
import subprocess
import sys
import time
# Adds testrunner to the path hence it has to be imported at the beggining.
import base_runner
from testrunner.local import execution
from testrunner.local import progress
from testrunner.local import testsuite
from testrunner.local import utils
from testrunner.local import verbose
from testrunner.local.variants import ALL_VARIANTS
from testrunner.objects import context
TIMEOUT_DEFAULT = 60
# Variants ordered by expected runtime (slowest first).
VARIANTS = ["default"]
MORE_VARIANTS = [
"stress",
"stress_incremental_marking",
"nooptimization",
"stress_background_compile",
"wasm_traps",
]
VARIANT_ALIASES = {
# The default for developer workstations.
"dev": VARIANTS,
# Additional variants, run on all bots.
"more": MORE_VARIANTS,
# Shortcut for the two above ("more" first - it has the longer running tests).
"exhaustive": MORE_VARIANTS + VARIANTS,
# Additional variants, run on a subset of bots.
"extra": ["future", "liftoff"],
}
GC_STRESS_FLAGS = ["--gc-interval=500", "--stress-compaction",
"--concurrent-recompilation-queue-length=64",
"--concurrent-recompilation-delay=500",
"--concurrent-recompilation"]
# Double the timeout for these:
SLOW_ARCHS = ["arm",
"mips",
"mipsel",
"mips64",
"mips64el",
"s390",
"s390x",
"arm64"]
class StandardTestRunner(base_runner.BaseTestRunner):
def __init__(self):
super(StandardTestRunner, self).__init__()
self.sancov_dir = None
def _do_execute(self, options, args):
if options.swarming:
# Swarming doesn't print how isolated commands are called. Lets make
# this less cryptic by printing it ourselves.
print ' '.join(sys.argv)
if utils.GuessOS() == "macos":
# TODO(machenbach): Temporary output for investigating hanging test
# driver on mac.
print "V8 related processes running on this host:"
try:
print subprocess.check_output(
"ps -e | egrep 'd8|cctest|unittests'", shell=True)
except Exception:
pass
suite_paths = utils.GetSuitePaths(join(base_runner.BASE_DIR, "test"))
# Use default tests if no test configuration was provided at the cmd line.
if len(args) == 0:
args = ["default"]
# Expand arguments with grouped tests. The args should reflect the list
# of suites as otherwise filters would break.
def ExpandTestGroups(name):
if name in base_runner.TEST_MAP:
return [suite for suite in base_runner.TEST_MAP[name]]
else:
return [name]
args = reduce(lambda x, y: x + y,
[ExpandTestGroups(arg) for arg in args],
[])
args_suites = OrderedDict() # Used as set
for arg in args:
args_suites[arg.split('/')[0]] = True
suite_paths = [ s for s in args_suites if s in suite_paths ]
suites = []
for root in suite_paths:
suite = testsuite.TestSuite.LoadTestSuite(
os.path.join(base_runner.BASE_DIR, "test", root))
if suite:
suites.append(suite)
for s in suites:
s.PrepareSources()
try:
return self._execute(args, options, suites)
except KeyboardInterrupt:
return 2
def _add_parser_options(self, parser):
parser.add_option("--sancov-dir",
help="Directory where to collect coverage data")
parser.add_option("--cfi-vptr",
help="Run tests with UBSAN cfi_vptr option.",
default=False, action="store_true")
parser.add_option("--novfp3",
help="Indicates that V8 was compiled without VFP3"
" support",
default=False, action="store_true")
parser.add_option("--cat", help="Print the source of the tests",
default=False, action="store_true")
parser.add_option("--slow-tests",
help="Regard slow tests (run|skip|dontcare)",
default="dontcare")
parser.add_option("--pass-fail-tests",
help="Regard pass|fail tests (run|skip|dontcare)",
default="dontcare")
parser.add_option("--gc-stress",
help="Switch on GC stress mode",
default=False, action="store_true")
parser.add_option("--command-prefix",
help="Prepended to each shell command used to run a"
" test",
default="")
parser.add_option("--extra-flags",
help="Additional flags to pass to each test command",
action="append", default=[])
parser.add_option("--isolates", help="Whether to test isolates",
default=False, action="store_true")
parser.add_option("-j", help="The number of parallel tasks to run",
default=0, type="int")
parser.add_option("--no-harness", "--noharness",
help="Run without test harness of a given suite",
default=False, action="store_true")
parser.add_option("--no-presubmit", "--nopresubmit",
help='Skip presubmit checks (deprecated)',
default=False, dest="no_presubmit", action="store_true")
parser.add_option("--no-sorting", "--nosorting",
help="Don't sort tests according to duration of last"
" run.",
default=False, dest="no_sorting", action="store_true")
parser.add_option("--no-variants", "--novariants",
help="Deprecated. "
"Equivalent to passing --variants=default",
default=False, dest="no_variants", action="store_true")
parser.add_option("--variants",
help="Comma-separated list of testing variants;"
" default: \"%s\"" % ",".join(VARIANTS))
parser.add_option("--exhaustive-variants",
default=False, action="store_true",
help="Deprecated. "
"Equivalent to passing --variants=exhaustive")
parser.add_option("-p", "--progress",
help=("The style of progress indicator"
" (verbose, dots, color, mono)"),
choices=progress.PROGRESS_INDICATORS.keys(),
default="mono")
parser.add_option("--quickcheck", default=False, action="store_true",
help=("Quick check mode (skip slow tests)"))
parser.add_option("--report", help="Print a summary of the tests to be"
" run",
default=False, action="store_true")
parser.add_option("--json-test-results",
help="Path to a file for storing json results.")
parser.add_option("--flakiness-results",
help="Path to a file for storing flakiness json.")
parser.add_option("--rerun-failures-count",
help=("Number of times to rerun each failing test case."
" Very slow tests will be rerun only once."),
default=0, type="int")
parser.add_option("--rerun-failures-max",
help="Maximum number of failing test cases to rerun.",
default=100, type="int")
parser.add_option("--shard-count",
help="Split testsuites into this number of shards",
default=1, type="int")
parser.add_option("--shard-run",
help="Run this shard from the split up tests.",
default=1, type="int")
parser.add_option("--dont-skip-slow-simulator-tests",
help="Don't skip more slow tests when using a"
" simulator.",
default=False, action="store_true",
dest="dont_skip_simulator_slow_tests")
parser.add_option("--swarming",
help="Indicates running test driver on swarming.",
default=False, action="store_true")
parser.add_option("--time", help="Print timing information after running",
default=False, action="store_true")
parser.add_option("-t", "--timeout", help="Timeout in seconds",
default=TIMEOUT_DEFAULT, type="int")
parser.add_option("--warn-unused", help="Report unused rules",
default=False, action="store_true")
parser.add_option("--junitout", help="File name of the JUnit output")
parser.add_option("--junittestsuite",
help="The testsuite name in the JUnit output file",
default="v8tests")
parser.add_option("--random-seed", default=0, dest="random_seed",
help="Default seed for initializing random generator",
type=int)
parser.add_option("--random-seed-stress-count", default=1, type="int",
dest="random_seed_stress_count",
help="Number of runs with different random seeds")
def _process_options(self, options):
global VARIANTS
if options.sancov_dir:
self.sancov_dir = options.sancov_dir
if not os.path.exists(self.sancov_dir):
print("sancov-dir %s doesn't exist" % self.sancov_dir)
raise base_runner.TestRunnerError()
options.command_prefix = shlex.split(options.command_prefix)
options.extra_flags = sum(map(shlex.split, options.extra_flags), [])
if options.gc_stress:
options.extra_flags += GC_STRESS_FLAGS
if self.build_config.asan:
options.extra_flags.append("--invoke-weak-callbacks")
options.extra_flags.append("--omit-quit")
if options.novfp3:
options.extra_flags.append("--noenable-vfp3")
if options.no_variants:
print ("Option --no-variants is deprecated. "
"Pass --variants=default instead.")
assert not options.variants
options.variants = "default"
if options.exhaustive_variants:
# TODO(machenbach): Switch infra to --variants=exhaustive after M65.
print ("Option --exhaustive-variants is deprecated. "
"Pass --variants=exhaustive instead.")
# This is used on many bots. It includes a larger set of default
# variants.
# Other options for manipulating variants still apply afterwards.
assert not options.variants
options.variants = "exhaustive"
if options.quickcheck:
assert not options.variants
options.variants = "stress,default"
options.slow_tests = "skip"
options.pass_fail_tests = "skip"
if self.build_config.predictable:
options.variants = "default"
options.extra_flags.append("--predictable")
options.extra_flags.append("--verify_predictable")
options.extra_flags.append("--no-inline-new")
# TODO(machenbach): Figure out how to test a bigger subset of variants on
# msan.
if self.build_config.msan:
options.variants = "default"
if options.j == 0:
options.j = multiprocessing.cpu_count()
if options.random_seed_stress_count <= 1 and options.random_seed == 0:
options.random_seed = self._random_seed()
# Use developer defaults if no variant was specified.
options.variants = options.variants or "dev"
# Resolve variant aliases and dedupe.
# TODO(machenbach): Don't mutate global variable. Rather pass mutated
# version as local variable.
VARIANTS = list(set(reduce(
list.__add__,
(VARIANT_ALIASES.get(v, [v]) for v in options.variants.split(",")),
[],
)))
if not set(VARIANTS).issubset(ALL_VARIANTS):
print "All variants must be in %s" % str(ALL_VARIANTS)
raise base_runner.TestRunnerError()
def CheckTestMode(name, option):
if not option in ["run", "skip", "dontcare"]:
print "Unknown %s mode %s" % (name, option)
raise base_runner.TestRunnerError()
CheckTestMode("slow test", options.slow_tests)
CheckTestMode("pass|fail test", options.pass_fail_tests)
if self.build_config.no_i18n:
base_runner.TEST_MAP["bot_default"].remove("intl")
base_runner.TEST_MAP["default"].remove("intl")
def _setup_env(self):
super(StandardTestRunner, self)._setup_env()
symbolizer_option = self._get_external_symbolizer_option()
if self.sancov_dir:
os.environ['ASAN_OPTIONS'] = ":".join([
'coverage=1',
'coverage_dir=%s' % self.sancov_dir,
symbolizer_option,
"allow_user_segv_handler=1",
])
def _random_seed(self):
seed = 0
while not seed:
seed = random.SystemRandom().randint(-2147483648, 2147483647)
return seed
def _execute(self, args, options, suites):
print(">>> Running tests for %s.%s" % (self.build_config.arch,
self.mode_name))
# Populate context object.
# Simulators are slow, therefore allow a longer timeout.
if self.build_config.arch in SLOW_ARCHS:
options.timeout *= 2
options.timeout *= self.mode_options.timeout_scalefactor
if self.build_config.predictable:
# Predictable mode is slower.
options.timeout *= 2
ctx = context.Context(self.build_config.arch,
self.mode_options.execution_mode,
self.outdir,
self.mode_options.flags,
options.verbose,
options.timeout,
options.isolates,
options.command_prefix,
options.extra_flags,
self.build_config.no_i18n,
options.random_seed,
options.no_sorting,
options.rerun_failures_count,
options.rerun_failures_max,
self.build_config.predictable,
options.no_harness,
use_perf_data=not options.swarming,
sancov_dir=self.sancov_dir)
# TODO(all): Combine "simulator" and "simulator_run".
# TODO(machenbach): In GN we can derive simulator run from
# target_arch != v8_target_arch in the dumped build config.
simulator_run = (
not options.dont_skip_simulator_slow_tests and
self.build_config.arch in [
'arm64', 'arm', 'mipsel', 'mips', 'mips64', 'mips64el', 'ppc',
'ppc64', 's390', 's390x'] and
bool(base_runner.ARCH_GUESS) and
self.build_config.arch != base_runner.ARCH_GUESS)
# Find available test suites and read test cases from them.
variables = {
"arch": self.build_config.arch,
"asan": self.build_config.asan,
"byteorder": sys.byteorder,
"dcheck_always_on": self.build_config.dcheck_always_on,
"deopt_fuzzer": False,
"gc_fuzzer": False,
"gc_stress": options.gc_stress,
"gcov_coverage": self.build_config.gcov_coverage,
"isolates": options.isolates,
"mode": self.mode_options.status_mode,
"msan": self.build_config.msan,
"no_harness": options.no_harness,
"no_i18n": self.build_config.no_i18n,
"no_snap": self.build_config.no_snap,
"novfp3": options.novfp3,
"predictable": self.build_config.predictable,
"simulator": utils.UseSimulator(self.build_config.arch),
"simulator_run": simulator_run,
"system": utils.GuessOS(),
"tsan": self.build_config.tsan,
"ubsan_vptr": self.build_config.ubsan_vptr,
}
all_tests = []
num_tests = 0
for s in suites:
s.ReadStatusFile(variables)
s.ReadTestCases(ctx)
if len(args) > 0:
s.FilterTestCasesByArgs(args)
all_tests += s.tests
# First filtering by status applying the generic rules (tests without
# variants)
if options.warn_unused:
s.WarnUnusedRules(check_variant_rules=False)
s.FilterTestCasesByStatus(options.slow_tests, options.pass_fail_tests)
if options.cat:
verbose.PrintTestSource(s.tests)
continue
variant_gen = s.CreateVariantGenerator(VARIANTS)
variant_tests = [ t.CopyAddingFlags(v, flags)
for t in s.tests
for v in variant_gen.FilterVariantsByTest(t)
for flags in variant_gen.GetFlagSets(t, v) ]
if options.random_seed_stress_count > 1:
# Duplicate test for random seed stress mode.
def iter_seed_flags():
for _ in range(0, options.random_seed_stress_count):
# Use given random seed for all runs (set by default in
# execution.py) or a new random seed if none is specified.
if options.random_seed:
yield []
else:
yield ["--random-seed=%d" % self._random_seed()]
s.tests = [
t.CopyAddingFlags(t.variant, flags)
for t in variant_tests
for flags in iter_seed_flags()
]
else:
s.tests = variant_tests
# Second filtering by status applying also the variant-dependent rules.
if options.warn_unused:
s.WarnUnusedRules(check_variant_rules=True)
s.FilterTestCasesByStatus(options.slow_tests, options.pass_fail_tests)
s.tests = self._shard_tests(s.tests, options)
for t in s.tests:
t.flags += s.GetStatusfileFlags(t)
t.cmd = s.GetCommand(t, ctx)
num_tests += len(s.tests)
if options.cat:
return 0 # We're done here.
if options.report:
verbose.PrintReport(all_tests)
# Run the tests.
start_time = time.time()
progress_indicator = progress.IndicatorNotifier()
progress_indicator.Register(
progress.PROGRESS_INDICATORS[options.progress]())
if options.junitout:
progress_indicator.Register(progress.JUnitTestProgressIndicator(
options.junitout, options.junittestsuite))
if options.json_test_results:
progress_indicator.Register(progress.JsonTestProgressIndicator(
options.json_test_results,
self.build_config.arch,
self.mode_options.execution_mode,
ctx.random_seed))
if options.flakiness_results:
progress_indicator.Register(progress.FlakinessTestProgressIndicator(
options.flakiness_results))
runner = execution.Runner(suites, progress_indicator, ctx)
exit_code = runner.Run(options.j)
overall_duration = time.time() - start_time
if options.time:
verbose.PrintTestDurations(suites, overall_duration)
if num_tests == 0:
print("Warning: no tests were run!")
if exit_code == 1 and options.json_test_results:
print("Force exit code 0 after failures. Json test results file "
"generated with failure information.")
exit_code = 0
if self.sancov_dir:
# If tests ran with sanitizer coverage, merge coverage files in the end.
try:
print "Merging sancov files."
subprocess.check_call([
sys.executable,
join(
base_runner.BASE_DIR, "tools", "sanitizers", "sancov_merger.py"),
"--coverage-dir=%s" % self.sancov_dir])
except:
print >> sys.stderr, "Error: Merging sancov files failed."
exit_code = 1
return exit_code
def _shard_tests(self, tests, options):
# Read gtest shard configuration from environment (e.g. set by swarming).
# If none is present, use values passed on the command line.
shard_count = int(
os.environ.get('GTEST_TOTAL_SHARDS', options.shard_count))
shard_run = os.environ.get('GTEST_SHARD_INDEX')
if shard_run is not None:
# The v8 shard_run starts at 1, while GTEST_SHARD_INDEX starts at 0.
shard_run = int(shard_run) + 1
else:
shard_run = options.shard_run
if options.shard_count > 1:
# Log if a value was passed on the cmd line and it differs from the
# environment variables.
if options.shard_count != shard_count:
print("shard_count from cmd line differs from environment variable "
"GTEST_TOTAL_SHARDS")
if options.shard_run > 1 and options.shard_run != shard_run:
print("shard_run from cmd line differs from environment variable "
"GTEST_SHARD_INDEX")
if shard_count < 2:
return tests
if shard_run < 1 or shard_run > shard_count:
print "shard-run not a valid number, should be in [1:shard-count]"
print "defaulting back to running all tests"
return tests
count = 0
shard = []
for test in tests:
if count % shard_count == shard_run - 1:
shard.append(test)
count += 1
return shard
if __name__ == '__main__':
sys.exit(StandardTestRunner().execute())