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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, unicode_literals
import json
import logging
import mozinfo
import os
from mach.decorators import (
Command,
CommandArgument,
CommandProvider,
)
from mozbuild.base import (
MachCommandBase,
MachCommandConditions as conditions,
BinaryNotFoundException,
)
def is_valgrind_build(cls):
"""Must be a build with --enable-valgrind and --disable-jemalloc."""
defines = cls.config_environment.defines
return "MOZ_VALGRIND" in defines and "MOZ_MEMORY" not in defines
@CommandProvider
class MachCommands(MachCommandBase):
"""
Run Valgrind tests.
"""
@Command(
"valgrind-test",
category="testing",
conditions=[conditions.is_firefox_or_thunderbird, is_valgrind_build],
description="Run the Valgrind test job (memory-related errors).",
)
@CommandArgument(
"--suppressions",
default=[],
action="append",
metavar="FILENAME",
help="Specify a suppression file for Valgrind to use. Use "
"--suppression multiple times to specify multiple suppression "
"files.",
)
def valgrind_test(self, suppressions):
from mozfile import TemporaryDirectory
from mozhttpd import MozHttpd
from mozprofile import FirefoxProfile, Preferences
from mozprofile.permissions import ServerLocations
from mozrunner import FirefoxRunner
from mozrunner.utils import findInPath
from six import string_types
from valgrind.output_handler import OutputHandler
build_dir = os.path.join(self.topsrcdir, "build")
# XXX: currently we just use the PGO inputs for Valgrind runs. This may
# change in the future.
httpd = MozHttpd(docroot=os.path.join(build_dir, "pgo"))
httpd.start(block=False)
with TemporaryDirectory() as profilePath:
# TODO: refactor this into mozprofile
profile_data_dir = os.path.join(self.topsrcdir, "testing", "profiles")
with open(os.path.join(profile_data_dir, "profiles.json"), "r") as fh:
base_profiles = json.load(fh)["valgrind"]
prefpaths = [
os.path.join(profile_data_dir, profile, "user.js")
for profile in base_profiles
]
prefs = {}
for path in prefpaths:
prefs.update(Preferences.read_prefs(path))
interpolation = {
"server": "%s:%d" % httpd.httpd.server_address,
}
for k, v in prefs.items():
if isinstance(v, string_types):
v = v.format(**interpolation)
prefs[k] = Preferences.cast(v)
quitter = os.path.join(
self.topsrcdir, "tools", "quitter", "quitter@mozilla.org.xpi"
)
locations = ServerLocations()
locations.add_host(
host="127.0.0.1", port=httpd.httpd.server_port, options="primary"
)
profile = FirefoxProfile(
profile=profilePath,
preferences=prefs,
addons=[quitter],
locations=locations,
)
firefox_args = [httpd.get_url()]
env = os.environ.copy()
env["G_SLICE"] = "always-malloc"
env["MOZ_CC_RUN_DURING_SHUTDOWN"] = "1"
env["MOZ_CRASHREPORTER_NO_REPORT"] = "1"
env["MOZ_DISABLE_NONLOCAL_CONNECTIONS"] = "1"
env["XPCOM_DEBUG_BREAK"] = "warn"
outputHandler = OutputHandler(self.log)
kp_kwargs = {
"processOutputLine": [outputHandler],
"universal_newlines": True,
}
valgrind = "valgrind"
if not os.path.exists(valgrind):
valgrind = findInPath(valgrind)
valgrind_args = [
valgrind,
"--sym-offsets=yes",
"--smc-check=all-non-file",
"--vex-iropt-register-updates=allregs-at-mem-access",
"--gen-suppressions=all",
"--num-callers=36",
"--leak-check=full",
"--show-possibly-lost=no",
"--track-origins=yes",
"--trace-children=yes",
"-v", # Enable verbosity to get the list of used suppressions
# Avoid excessive delays in the presence of spinlocks.
# See bug 1309851.
"--fair-sched=yes",
# Keep debuginfo after library unmap. See bug 1382280.
"--keep-debuginfo=yes",
# Reduce noise level on rustc and/or LLVM compiled code.
# See bug 1365915
"--expensive-definedness-checks=yes",
# Compensate for the compiler inlining `new` but not `delete`
# or vice versa.
"--show-mismatched-frees=no",
]
for s in suppressions:
valgrind_args.append("--suppressions=" + s)
supps_dir = os.path.join(build_dir, "valgrind")
supps_file1 = os.path.join(supps_dir, "cross-architecture.sup")
valgrind_args.append("--suppressions=" + supps_file1)
if mozinfo.os == "linux":
machtype = {
"x86_64": "x86_64-pc-linux-gnu",
"x86": "i386-pc-linux-gnu",
}.get(mozinfo.processor)
if machtype:
supps_file2 = os.path.join(supps_dir, machtype + ".sup")
if os.path.isfile(supps_file2):
valgrind_args.append("--suppressions=" + supps_file2)
exitcode = None
timeout = 1800
binary_not_found_exception = None
try:
runner = FirefoxRunner(
profile=profile,
binary=self.get_binary_path(),
cmdargs=firefox_args,
env=env,
process_args=kp_kwargs,
)
runner.start(debug_args=valgrind_args)
exitcode = runner.wait(timeout=timeout)
except BinaryNotFoundException as e:
binary_not_found_exception = e
finally:
errs = outputHandler.error_count
supps = outputHandler.suppression_count
if errs != supps:
status = 1 # turns the TBPL job orange
self.log(
logging.ERROR,
"valgrind-fail-parsing",
{"errs": errs, "supps": supps},
"TEST-UNEXPECTED-FAIL | valgrind-test | error parsing: {errs} errors "
"seen, but {supps} generated suppressions seen",
)
elif errs == 0:
status = 0
self.log(
logging.INFO,
"valgrind-pass",
{},
"TEST-PASS | valgrind-test | valgrind found no errors",
)
else:
status = 1 # turns the TBPL job orange
# We've already printed details of the errors.
if binary_not_found_exception:
status = 2 # turns the TBPL job red
self.log(
logging.ERROR,
"valgrind-fail-errors",
{"error": str(binary_not_found_exception)},
"TEST-UNEXPECTED-FAIL | valgrind-test | {error}",
)
self.log(
logging.INFO,
"valgrind-fail-errors",
{"help": binary_not_found_exception.help()},
"{help}",
)
elif exitcode is None:
status = 2 # turns the TBPL job red
self.log(
logging.ERROR,
"valgrind-fail-timeout",
{"timeout": timeout},
"TEST-UNEXPECTED-FAIL | valgrind-test | Valgrind timed out "
"(reached {timeout} second limit)",
)
elif exitcode != 0:
status = 2 # turns the TBPL job red
self.log(
logging.ERROR,
"valgrind-fail-errors",
{"exitcode": exitcode},
"TEST-UNEXPECTED-FAIL | valgrind-test | non-zero exit code "
"from Valgrind: {exitcode}",
)
httpd.stop()
return status
|
