Ejemplo n.º 1
0
 def __init__(self, host, port_name, **kwargs):
     ApplePort.__init__(self, host, port_name, **kwargs)
     self._leak_detector = LeakDetector(self)
     if self.get_option("leaks"):
         # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
         # with MallocStackLogging enabled.
         self.set_option_default("batch_size", 1000)
Ejemplo n.º 2
0
 def __init__(self, host, port_name, **kwargs):
     ApplePort.__init__(self, host, port_name, **kwargs)
     self._leak_detector = LeakDetector(self)
     if self.get_option("leaks"):
         # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
         # with MallocStackLogging enabled.
         self.set_option_default("batch_size", 1000)
Ejemplo n.º 3
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = ["mac-leopard", "mac-snowleopard", "mac-lion", "mac"]

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def _most_recent_version(self):
        # This represents the most recently-shipping version of the operating system.
        return self.VERSION_FALLBACK_ORDER[-2]

    def baseline_path(self):
        if self.name() == self._most_recent_version():
            # Baselines for the most recently shiping version should go into 'mac', not 'mac-foo'.
            if self.get_option('webkit_test_runner'):
                return self._webkit_baseline_path('mac-wk2')
            return self._webkit_baseline_path('mac')
        return ApplePort.baseline_path(self)

    def baseline_search_path(self):
        fallback_index = self.VERSION_FALLBACK_ORDER.index(self._port_name_with_version())
        fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    def default_child_processes(self):
        if self.is_snowleopard():
            _log.warn("Cannot run tests in parallel on Snow Leopard due to rdar://problem/10621525.")
            return 1
        return super(MacPort, self).default_child_processes()

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" % (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        self._run_script('run-safari', ['--no-saved-state', '-NSOpen', results_filename])

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass

    def _get_crash_log(self, name, pid, stdout, stderr):
        # Note that we do slow-spin here and wait, since it appears the time
        # ReportCrash takes to actually write and flush the file varies when there are
        # lots of simultaneous crashes going on.
        # FIXME: Should most of this be moved into CrashLogs()?
        crash_log = ''
        crash_logs = CrashLogs(self._filesystem)
        now = time.time()
        # FIXME: delete this after we're sure this code is working ...
        _log.debug('looking for crash log for %s:%s' % (name, str(pid)))
        deadline = now + 5 * int(self.get_option('child_processes'))
        while not crash_log and now <= deadline:
            crash_log = crash_logs.find_newest_log(name, pid, include_errors=True)
            if not crash_log or not [line for line in crash_log.splitlines() if not line.startswith('ERROR')]:
                time.sleep(0.1)
                now = time.time()
        if not crash_log:
            crash_log = 'no crash log found for %s:%d' % (name, pid)
            _log.warning(crash_log)
        return crash_log

    def _path_to_helper(self):
        binary_name = 'LayoutTestHelper'
        return self._build_path(binary_name)

    def start_helper(self):
        helper_path = self._path_to_helper()
        if helper_path:
            _log.debug("Starting layout helper %s" % helper_path)
            # Note: Not thread safe: http://bugs.python.org/issue2320
            self._helper = self._executive.popen([helper_path],
                stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=None)
            is_ready = self._helper.stdout.readline()
            if not is_ready.startswith('ready'):
                _log.error("LayoutTestHelper failed to be ready")

    def stop_helper(self):
        if self._helper:
            _log.debug("Stopping LayoutTestHelper")
            try:
                self._helper.stdin.write("x\n")
                self._helper.stdin.close()
                self._helper.wait()
            except IOError, e:
                _log.debug("IOError raised while stopping helper: %s" % str(e))
                pass
            self._helper = None
Ejemplo n.º 4
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = ["mac-leopard", "mac-snowleopard", "mac-lion", "mac"]

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def baseline_search_path(self):
        fallback_index = self.VERSION_FALLBACK_ORDER.index(self._port_name_with_version())
        fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    # Belongs on a Platform object.
    def is_crash_reporter(self, process_name):
        return re.search(r'ReportCrash', process_name)

    def default_child_processes(self):
        if self.is_snowleopard():
            _log.warn("Cannot run tests in parallel on Snow Leopard due to rdar://problem/10621525.")
            return 1
        return super(MacPort, self).default_child_processes()

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" % (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        self._run_script('run-safari', ['-NSOpen', results_filename])

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass
Ejemplo n.º 5
0
 def _make_detector(self):
     return LeakDetector(self._mock_port())
Ejemplo n.º 6
0
class MacPort(ApplePort):
    port_name = "mac"

    VERSION_FALLBACK_ORDER = [
        'mac-snowleopard', 'mac-lion', 'mac-mountainlion'
    ]

    ARCHITECTURES = ['x86_64', 'x86']

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._architecture = self.get_option('architecture')

        if not self._architecture:
            self._architecture = 'x86_64'

        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def default_timeout_ms(self):
        if self.get_option('guard_malloc'):
            return 350 * 1000
        return super(MacPort, self).default_timeout_ms()

    def _build_driver_flags(self):
        return ['ARCHS=i386'] if self.architecture() == 'x86' else []

    def should_retry_crashes(self):
        # On Apple Mac, we retry crashes due to https://bugs.webkit.org/show_bug.cgi?id=82233
        return True

    def default_baseline_search_path(self):
        name = self._name.replace('-wk2', '')
        if name.endswith(self.FUTURE_VERSION):
            fallback_names = [self.port_name]
        else:
            fallback_names = self.VERSION_FALLBACK_ORDER[
                self.VERSION_FALLBACK_ORDER.index(name):-1] + [self.port_name]
        if self.get_option('webkit_test_runner'):
            fallback_names = [self._wk2_port_name(), 'wk2'] + fallback_names
        return map(self._webkit_baseline_path, fallback_names)

    def expectations_files(self):
        return reversed([
            self._filesystem.join(self._webkit_baseline_path(d),
                                  'TestExpectations')
            for d in self.baseline_search_path()
        ])

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    def default_child_processes(self):
        if self._version == "snowleopard":
            _log.warning(
                "Cannot run tests in parallel on Snow Leopard due to rdar://problem/10621525."
            )
            return 1

        default_count = super(MacPort, self).default_child_processes()

        # FIXME: https://bugs.webkit.org/show_bug.cgi?id=95906  With too many WebProcess WK2 tests get stuck in resource contention.
        # To alleviate the issue reduce the number of running processes
        # Anecdotal evidence suggests that a 4 core/8 core logical machine may run into this, but that a 2 core/4 core logical machine does not.
        if self.get_option('webkit_test_runner') and default_count > 4:
            default_count = int(.75 * default_count)

        # Make sure we have enough ram to support that many instances:
        total_memory = self.host.platform.total_bytes_memory()
        bytes_per_drt = 256 * 1024 * 1024  # Assume each DRT needs 256MB to run.
        overhead = 2048 * 1024 * 1024  # Assume we need 2GB free for the O/S
        supportable_instances = max(
            (total_memory - overhead) / bytes_per_drt,
            1)  # Always use one process, even if we don't have space for it.
        if supportable_instances < default_count:
            _log.warning(
                "This machine could support %s child processes, but only has enough memory for %s."
                % (default_count, supportable_instances))
        return min(supportable_instances, default_count)

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(),
                                                "java")
        build_java = [self.make_command(), "-C", java_tests_path]
        if self._executive.run_command(
                build_java, return_exit_code=True
        ):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(
            self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(
            leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" %
                  (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        # We don't use self._run_script() because we don't want to wait for the script
        # to exit and we want the output to show up on stdout in case there are errors
        # launching the browser.
        self._executive.popen(
            [self.path_to_script('run-safari')] +
            self._arguments_for_configuration() +
            ['--no-saved-state', '-NSOpen', results_filename],
            cwd=self.webkit_base(),
            stdout=file(os.devnull),
            stderr=file(os.devnull))

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass

    def _get_crash_log(self,
                       name,
                       pid,
                       stdout,
                       stderr,
                       newer_than,
                       time_fn=None,
                       sleep_fn=None,
                       wait_for_log=True):
        # Note that we do slow-spin here and wait, since it appears the time
        # ReportCrash takes to actually write and flush the file varies when there are
        # lots of simultaneous crashes going on.
        # FIXME: Should most of this be moved into CrashLogs()?
        time_fn = time_fn or time.time
        sleep_fn = sleep_fn or time.sleep
        crash_log = ''
        crash_logs = CrashLogs(self.host)
        now = time_fn()
        # FIXME: delete this after we're sure this code is working ...
        _log.debug('looking for crash log for %s:%s' % (name, str(pid)))
        deadline = now + 5 * int(self.get_option('child_processes', 1))
        while not crash_log and now <= deadline:
            crash_log = crash_logs.find_newest_log(name,
                                                   pid,
                                                   include_errors=True,
                                                   newer_than=newer_than)
            if not wait_for_log:
                break
            if not crash_log or not [
                    line for line in crash_log.splitlines()
                    if not line.startswith('ERROR')
            ]:
                sleep_fn(0.1)
                now = time_fn()

        if not crash_log:
            return (stderr, None)
        return (stderr, crash_log)

    def look_for_new_crash_logs(self, crashed_processes, start_time):
        """Since crash logs can take a long time to be written out if the system is
           under stress do a second pass at the end of the test run.

           crashes: test_name -> pid, process_name tuple of crashed process
           start_time: time the tests started at.  We're looking for crash
               logs after that time.
        """
        crash_logs = {}
        for (test_name, process_name, pid) in crashed_processes:
            # Passing None for output.  This is a second pass after the test finished so
            # if the output had any loggine we would have already collected it.
            crash_log = self._get_crash_log(process_name,
                                            pid,
                                            None,
                                            None,
                                            start_time,
                                            wait_for_log=False)[1]
            if not crash_log:
                continue
            crash_logs[test_name] = crash_log
        return crash_logs

    def sample_process(self, name, pid):
        try:
            hang_report = self._filesystem.join(
                self.results_directory(), "%s-%s.sample.txt" % (name, pid))
            self._executive.run_command([
                "/usr/bin/sample",
                pid,
                10,
                10,
                "-file",
                hang_report,
            ])
        except ScriptError as e:
            _log.warning('Unable to sample process:' + str(e))

    def _path_to_helper(self):
        binary_name = 'LayoutTestHelper'
        return self._build_path(binary_name)

    def start_helper(self):
        helper_path = self._path_to_helper()
        if helper_path:
            _log.debug("Starting layout helper %s" % helper_path)
            self._helper = self._executive.popen([helper_path],
                                                 stdin=self._executive.PIPE,
                                                 stdout=self._executive.PIPE,
                                                 stderr=None)
            is_ready = self._helper.stdout.readline()
            if not is_ready.startswith('ready'):
                _log.error("LayoutTestHelper failed to be ready")

    def stop_helper(self):
        if self._helper:
            _log.debug("Stopping LayoutTestHelper")
            try:
                self._helper.stdin.write("x\n")
                self._helper.stdin.close()
                self._helper.wait()
            except IOError, e:
                _log.debug("IOError raised while stopping helper: %s" % str(e))
            self._helper = None
Ejemplo n.º 7
0
class MacPort(ApplePort):
    port_name = "mac"

    VERSION_FALLBACK_ORDER = ['mac-snowleopard', 'mac-lion', 'mac-mountainlion']

    ARCHITECTURES = ['x86_64', 'x86']

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._architecture = self.get_option('architecture')

        if not self._architecture:
            self._architecture = 'x86_64'

        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def default_timeout_ms(self):
        if self.get_option('guard_malloc'):
            return 350 * 1000
        return super(MacPort, self).default_timeout_ms()

    def supports_per_test_timeout(self):
        return True

    def _build_driver_flags(self):
        return ['ARCHS=i386'] if self.architecture() == 'x86' else []

    def should_retry_crashes(self):
        # On Apple Mac, we retry crashes due to https://bugs.webkit.org/show_bug.cgi?id=82233
        return True

    def default_baseline_search_path(self):
        name = self._name.replace('-wk2', '')
        if name.endswith(self.FUTURE_VERSION):
            fallback_names = [self.port_name]
        else:
            fallback_names = self.VERSION_FALLBACK_ORDER[self.VERSION_FALLBACK_ORDER.index(name):-1] + [self.port_name]
        if self.get_option('webkit_test_runner'):
            fallback_names = [self._wk2_port_name(), 'wk2'] + fallback_names
        return map(self._webkit_baseline_path, fallback_names)

    def _port_specific_expectations_files(self):
        return list(reversed([self._filesystem.join(self._webkit_baseline_path(p), 'TestExpectations') for p in self.baseline_search_path()]))

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    def default_child_processes(self):
        if self._version == "snowleopard":
            _log.warning("Cannot run tests in parallel on Snow Leopard due to rdar://problem/10621525.")
            return 1

        default_count = super(MacPort, self).default_child_processes()

        # FIXME: https://bugs.webkit.org/show_bug.cgi?id=95906  With too many WebProcess WK2 tests get stuck in resource contention.
        # To alleviate the issue reduce the number of running processes
        # Anecdotal evidence suggests that a 4 core/8 core logical machine may run into this, but that a 2 core/4 core logical machine does not.
        if self.get_option('webkit_test_runner') and default_count > 4:
            default_count = int(.75 * default_count)

        # Make sure we have enough ram to support that many instances:
        total_memory = self.host.platform.total_bytes_memory()
        if total_memory:
            bytes_per_drt = 256 * 1024 * 1024  # Assume each DRT needs 256MB to run.
            overhead = 2048 * 1024 * 1024  # Assume we need 2GB free for the O/S
            supportable_instances = max((total_memory - overhead) / bytes_per_drt, 1)  # Always use one process, even if we don't have space for it.
            if supportable_instances < default_count:
                _log.warning("This machine could support %s child processes, but only has enough memory for %s." % (default_count, supportable_instances))
        else:
            _log.warning("Cannot determine available memory for child processes, using default child process count of %s." % default_count)
            supportable_instances = default_count
        return min(supportable_instances, default_count)

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = [self.make_command(), "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" % (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        # We don't use self._run_script() because we don't want to wait for the script
        # to exit and we want the output to show up on stdout in case there are errors
        # launching the browser.
        self._executive.popen([self.path_to_script('run-safari')] + self._arguments_for_configuration() + ['--no-saved-state', '-NSOpen', results_filename],
            cwd=self.webkit_base(), stdout=file(os.devnull), stderr=file(os.devnull))

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass

    def sample_file_path(self, name, pid):
        return self._filesystem.join(self.results_directory(), "{0}-{1}-sample.txt".format(name, pid))

    def _get_crash_log(self, name, pid, stdout, stderr, newer_than, time_fn=None, sleep_fn=None, wait_for_log=True):
        # Note that we do slow-spin here and wait, since it appears the time
        # ReportCrash takes to actually write and flush the file varies when there are
        # lots of simultaneous crashes going on.
        # FIXME: Should most of this be moved into CrashLogs()?
        time_fn = time_fn or time.time
        sleep_fn = sleep_fn or time.sleep
        crash_log = ''
        crash_logs = CrashLogs(self.host)
        now = time_fn()
        # FIXME: delete this after we're sure this code is working ...
        _log.debug('looking for crash log for %s:%s' % (name, str(pid)))
        deadline = now + 5 * int(self.get_option('child_processes', 1))
        while not crash_log and now <= deadline:
            crash_log = crash_logs.find_newest_log(name, pid, include_errors=True, newer_than=newer_than)
            if not wait_for_log:
                break
            if not crash_log or not [line for line in crash_log.splitlines() if not line.startswith('ERROR')]:
                sleep_fn(0.1)
                now = time_fn()

        if not crash_log:
            return (stderr, None)
        return (stderr, crash_log)

    def look_for_new_crash_logs(self, crashed_processes, start_time):
        """Since crash logs can take a long time to be written out if the system is
           under stress do a second pass at the end of the test run.

           crashes: test_name -> pid, process_name tuple of crashed process
           start_time: time the tests started at.  We're looking for crash
               logs after that time.
        """
        crash_logs = {}
        for (test_name, process_name, pid) in crashed_processes:
            # Passing None for output.  This is a second pass after the test finished so
            # if the output had any logging we would have already collected it.
            crash_log = self._get_crash_log(process_name, pid, None, None, start_time, wait_for_log=False)[1]
            if not crash_log:
                continue
            crash_logs[test_name] = crash_log
        return crash_logs

    def look_for_new_samples(self, unresponsive_processes, start_time):
        sample_files = {}
        for (test_name, process_name, pid) in unresponsive_processes:
            sample_file = self.sample_file_path(process_name, pid)
            if not self._filesystem.isfile(sample_file):
                continue
            sample_files[test_name] = sample_file
        return sample_files

    def sample_process(self, name, pid):
        try:
            hang_report = self.sample_file_path(name, pid)
            self._executive.run_command([
                "/usr/bin/sample",
                pid,
                10,
                10,
                "-file",
                hang_report,
            ])
        except ScriptError as e:
            _log.warning('Unable to sample process:' + str(e))

    def _path_to_helper(self):
        binary_name = 'LayoutTestHelper'
        return self._build_path(binary_name)

    def start_helper(self):
        helper_path = self._path_to_helper()
        if helper_path:
            _log.debug("Starting layout helper %s" % helper_path)
            self._helper = self._executive.popen([helper_path],
                stdin=self._executive.PIPE, stdout=self._executive.PIPE, stderr=None)
            is_ready = self._helper.stdout.readline()
            if not is_ready.startswith('ready'):
                _log.error("LayoutTestHelper failed to be ready")

    def stop_helper(self):
        if self._helper:
            _log.debug("Stopping LayoutTestHelper")
            try:
                self._helper.stdin.write("x\n")
                self._helper.stdin.close()
                self._helper.wait()
            except IOError, e:
                _log.debug("IOError raised while stopping helper: %s" % str(e))
            self._helper = None
Ejemplo n.º 8
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = ["mac-leopard", "mac-snowleopard", "mac-lion", "mac"]

    def _detect_version(self, os_version_string):
        # FIXME: MacPort and WinPort implement _detect_version differently.
        # WinPort uses os_version_string as a replacement for self.version.
        # Thus just returns os_version_string from this function if not None.
        # Mac (incorrectly) uses os_version_string as a way to unit-test
        # the os_version parsing logic.  We should split the os_version parsing tests
        # into separate unittests so that they do not need to construct
        # MacPort objects just to test our version parsing.
        return os_version(os_version_string)

    def __init__(self, **kwargs):
        ApplePort.__init__(self, **kwargs)
        self._operating_system = 'mac'
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def baseline_search_path(self):
        try:
            fallback_index = self.VERSION_FALLBACK_ORDER.index(self._port_name_with_version())
            fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        except ValueError:
            # Unknown versions just fall back to the base port results.
            fallback_names = [self.port_name]
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        return env

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_crash_reporter(self, process_name):
        return re.search(r'ReportCrash', process_name)

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.parse_leak_files(leaks_files)
        # old-run-webkit-tests used to print the "total leaks" count, but that would
        # require re-parsing each of the leaks files (which we could do at some later point if that would be useful.)
        # Tools/BuildSlaveSupport/build.webkit.org-config/master.cfg greps for "leaks found".
        # master.cfg will need an update if these strings change.
        _log.info("leaks found for a total of %s!" % total_bytes_string)
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        self._run_script('run-safari', ['-NSOpen', results_filename])

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass
Ejemplo n.º 9
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = ["mac-leopard", "mac-snowleopard", "mac-lion", "mac"]

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def baseline_search_path(self):
        fallback_index = self.VERSION_FALLBACK_ORDER.index(self._port_name_with_version())
        fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    # Belongs on a Platform object.
    def is_crash_reporter(self, process_name):
        return re.search(r'ReportCrash', process_name)

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" % (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        self._run_script('run-safari', ['-NSOpen', results_filename])

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass
Ejemplo n.º 10
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = [
        "mac-leopard", "mac-snowleopard", "mac-lion", "mac"
    ]

    def _detect_version(self, os_version_string):
        # FIXME: MacPort and WinPort implement _detect_version differently.
        # WinPort uses os_version_string as a replacement for self.version.
        # Thus just returns os_version_string from this function if not None.
        # Mac (incorrectly) uses os_version_string as a way to unit-test
        # the os_version parsing logic.  We should split the os_version parsing tests
        # into separate unittests so that they do not need to construct
        # MacPort objects just to test our version parsing.
        return os_version(os_version_string)

    def __init__(self, **kwargs):
        ApplePort.__init__(self, **kwargs)
        self._operating_system = 'mac'
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def baseline_search_path(self):
        try:
            fallback_index = self.VERSION_FALLBACK_ORDER.index(
                self._port_name_with_version())
            fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        except ValueError:
            # Unknown versions just fall back to the base port results.
            fallback_names = [self.port_name]
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        return env

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_crash_reporter(self, process_name):
        return re.search(r'ReportCrash', process_name)

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(),
                                                "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(
                build_java, return_exit_code=True
        ):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(
            self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.parse_leak_files(
            leaks_files)
        # old-run-webkit-tests used to print the "total leaks" count, but that would
        # require re-parsing each of the leaks files (which we could do at some later point if that would be useful.)
        # Tools/BuildSlaveSupport/build.webkit.org-config/master.cfg greps for "leaks found".
        # master.cfg will need an update if these strings change.
        _log.info("leaks found for a total of %s!" % total_bytes_string)
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        self._run_script('run-safari', ['-NSOpen', results_filename])

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass
Ejemplo n.º 11
0
class MacPort(ApplePort):
    port_name = "mac"

    # This is a list of all supported OS-VERSION pairs for the AppleMac port
    # and the order of fallback between them.  Matches ORWT.
    VERSION_FALLBACK_ORDER = ["mac-leopard", "mac-snowleopard", "mac-lion", "mac"]

    def __init__(self, host, port_name, **kwargs):
        ApplePort.__init__(self, host, port_name, **kwargs)
        self._leak_detector = LeakDetector(self)
        if self.get_option("leaks"):
            # DumpRenderTree slows down noticably if we run more than about 1000 tests in a batch
            # with MallocStackLogging enabled.
            self.set_option_default("batch_size", 1000)

    def _most_recent_version(self):
        # This represents the most recently-shipping version of the operating system.
        return self.VERSION_FALLBACK_ORDER[-2]

    def should_retry_crashes(self):
        # On Apple Mac, we retry crashes due to https://bugs.webkit.org/show_bug.cgi?id=82233
        return True

    def baseline_path(self):
        if self.name() == self._most_recent_version():
            # Baselines for the most recently shiping version should go into 'mac', not 'mac-foo'.
            if self.get_option('webkit_test_runner'):
                return self._webkit_baseline_path('mac-wk2')
            return self._webkit_baseline_path('mac')
        return ApplePort.baseline_path(self)

    def baseline_search_path(self):
        fallback_index = self.VERSION_FALLBACK_ORDER.index(self._port_name_with_version())
        fallback_names = list(self.VERSION_FALLBACK_ORDER[fallback_index:])
        if self.get_option('webkit_test_runner'):
            fallback_names.insert(0, self._wk2_port_name())
            # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths().
        return map(self._webkit_baseline_path, fallback_names)

    def setup_environ_for_server(self, server_name=None):
        env = super(MacPort, self).setup_environ_for_server(server_name)
        if server_name == self.driver_name():
            if self.get_option('leaks'):
                env['MallocStackLogging'] = '1'
            if self.get_option('guard_malloc'):
                env['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
        env['XML_CATALOG_FILES'] = ''  # work around missing /etc/catalog <rdar://problem/4292995>
        return env

    def operating_system(self):
        return 'mac'

    # Belongs on a Platform object.
    def is_leopard(self):
        return self._version == "leopard"

    # Belongs on a Platform object.
    def is_snowleopard(self):
        return self._version == "snowleopard"

    # Belongs on a Platform object.
    def is_lion(self):
        return self._version == "lion"

    def default_child_processes(self):
        if self.is_snowleopard():
            _log.warn("Cannot run tests in parallel on Snow Leopard due to rdar://problem/10621525.")
            return 1

        # FIXME: As a temporary workaround while we figure out what's going
        # on with https://bugs.webkit.org/show_bug.cgi?id=83076, reduce by
        # half the # of workers we run by default on bigger machines.
        default_count = super(MacPort, self).default_child_processes()
        if default_count >= 8:
            cpu_count = self._executive.cpu_count()
            return max(1, min(default_count, int(cpu_count / 2)))
        return default_count

    def _build_java_test_support(self):
        java_tests_path = self._filesystem.join(self.layout_tests_dir(), "java")
        build_java = ["/usr/bin/make", "-C", java_tests_path]
        if self._executive.run_command(build_java, return_exit_code=True):  # Paths are absolute, so we don't need to set a cwd.
            _log.error("Failed to build Java support files: %s" % build_java)
            return False
        return True

    def check_for_leaks(self, process_name, process_pid):
        if not self.get_option('leaks'):
            return
        # We could use http://code.google.com/p/psutil/ to get the process_name from the pid.
        self._leak_detector.check_for_leaks(process_name, process_pid)

    def print_leaks_summary(self):
        if not self.get_option('leaks'):
            return
        # We're in the manager process, so the leak detector will not have a valid list of leak files.
        # FIXME: This is a hack, but we don't have a better way to get this information from the workers yet.
        # FIXME: This will include too many leaks in subsequent runs until the results directory is cleared!
        leaks_files = self._leak_detector.leaks_files_in_directory(self.results_directory())
        if not leaks_files:
            return
        total_bytes_string, unique_leaks = self._leak_detector.count_total_bytes_and_unique_leaks(leaks_files)
        total_leaks = self._leak_detector.count_total_leaks(leaks_files)
        _log.info("%s total leaks found for a total of %s!" % (total_leaks, total_bytes_string))
        _log.info("%s unique leaks found!" % unique_leaks)

    def _check_port_build(self):
        return self._build_java_test_support()

    def _path_to_webcore_library(self):
        return self._build_path('WebCore.framework/Versions/A/WebCore')

    def show_results_html_file(self, results_filename):
        # We don't use self._run_script() because we don't want to wait for the script
        # to exit and we want the output to show up on stdout in case there are errors
        # launching the browser.
        self._executive.popen([self._config.script_path('run-safari')] + self._arguments_for_configuration() + ['--no-saved-state', '-NSOpen', results_filename],
            cwd=self._config.webkit_base_dir(), stdout=file(os.devnull), stderr=file(os.devnull))

    # FIXME: The next two routines turn off the http locking in order
    # to work around failures on the bots caused when the slave restarts.
    # See https://bugs.webkit.org/show_bug.cgi?id=64886 for more info.
    # The proper fix is to make sure the slave is actually stopping NRWT
    # properly on restart. Note that by removing the lock file and not waiting,
    # the result should be that if there is a web server already running,
    # it'll be killed and this one will be started in its place; this
    # may lead to weird things happening in the other run. However, I don't
    # think we're (intentionally) actually running multiple runs concurrently
    # on any Mac bots.

    def acquire_http_lock(self):
        pass

    def release_http_lock(self):
        pass

    def _get_crash_log(self, name, pid, stdout, stderr, newer_than, time_fn=None, sleep_fn=None, wait_for_log=True):
        # Note that we do slow-spin here and wait, since it appears the time
        # ReportCrash takes to actually write and flush the file varies when there are
        # lots of simultaneous crashes going on.
        # FIXME: Should most of this be moved into CrashLogs()?
        time_fn = time_fn or time.time
        sleep_fn = sleep_fn or time.sleep
        crash_log = ''
        crash_logs = CrashLogs(self.host)
        now = time_fn()
        # FIXME: delete this after we're sure this code is working ...
        _log.debug('looking for crash log for %s:%s' % (name, str(pid)))
        deadline = now + 5 * int(self.get_option('child_processes', 1))
        while not crash_log and now <= deadline:
            crash_log = crash_logs.find_newest_log(name, pid, include_errors=True, newer_than=newer_than)
            if not wait_for_log:
                break
            if not crash_log or not [line for line in crash_log.splitlines() if not line.startswith('ERROR')]:
                sleep_fn(0.1)
                now = time_fn()

        if not crash_log:
            return None
        return crash_log

    def look_for_new_crash_logs(self, crashed_processes, start_time):
        """Since crash logs can take a long time to be written out if the system is
           under stress do a second pass at the end of the test run.

           crashes: test_name -> pid, process_name tuple of crashed process
           start_time: time the tests started at.  We're looking for crash
               logs after that time.
        """
        crash_logs = {}
        for (test_name, process_name, pid) in crashed_processes:
            # Passing None for output.  This is a second pass after the test finished so
            # if the output had any loggine we would have already collected it.
            crash_log = self._get_crash_log(process_name, pid, None, None, start_time, wait_for_log=False)
            if not crash_log:
                continue
            crash_logs[test_name] = crash_log
        return crash_logs

    def sample_process(self, name, pid):
        try:
            hang_report = self._filesystem.join(self.results_directory(), "%s-%s.sample.txt" % (name, pid))
            self._executive.run_command([
                "/usr/bin/sample",
                pid,
                10,
                10,
                "-file",
                hang_report,
            ])
        except ScriptError, e:
            _log.warning('Unable to sample process.')