def sysctl_kernel(key, value=None): """(Very) partial implementation of sysctl, for kernel params""" if value: # write utils.write_one_line("/proc/sys/kernel/%s" % key, str(value)) else: # read out = utils.read_one_line("/proc/sys/kernel/%s" % key) return int(re.search(r"\d+", out).group(0))
def sysctl_kernel(key, value=None): """(Very) partial implementation of sysctl, for kernel params""" if value is not None: # write utils.write_one_line('/proc/sys/kernel/%s' % key, str(value)) else: # read out = utils.read_one_line('/proc/sys/kernel/%s' % key) return int(re.search(r'\d+', out).group(0))
def _set_kernel_fw_update(self, disable=0): """Disable the FW update driver. @param disable: 1 for disable, 0 for enable. """ utils.write_one_line(self.FW_UP_DISABLE_PATH, disable) if not disable: # Allow kernel driver time quiesce time.sleep(2)
def sysctl(key, value=None): """Generic implementation of sysctl, to read and write. @param key: A location under /proc/sys @param value: If not None, a value to write into the sysctl. @return The single-line sysctl value as a string. """ path = '/proc/sys/%s' % key if value is not None: utils.write_one_line(path, str(value)) return utils.read_one_line(path)
def initialize(self): cpufreq_path = '/sys/devices/system/cpu/cpu*/cpufreq' dirs = glob.glob(cpufreq_path) if not dirs: raise error.TestFail('cpufreq not supported') self._cpufreq_dirs = dirs self._cpus = [cpufreq(dirname) for dirname in dirs] for cpu in self._cpus: cpu.save_state() # Store the setting if the system has CPUQuiet feature if os.path.exists(SYSFS_CPUQUIET_ENABLE): self.is_cpuquiet_enabled = utils.read_file(SYSFS_CPUQUIET_ENABLE) utils.write_one_line(SYSFS_CPUQUIET_ENABLE, '0')
def _test_check_product_id(self): """ metrics_daemon should set the product id when it is specified. The product id can be set through the GOOGLE_METRICS_PRODUCT_ID file in /etc/os-release.d/. """ # The product id must be an integer, declared in the upstream UMA # backend protobuf. EXPECTED_PRODUCT_ID = 3 sys.path.append(self.srcdir) from chrome_user_metrics_extension_pb2 import ChromeUserMetricsExtension self._create_one_sample() self.server = FakeServer() self.server.Start() osreleased_path = os.path.join(self._tempdir.name, 'etc', 'os-release.d') file_utils.make_leaf_dir(osreleased_path) utils.write_one_line(os.path.join(osreleased_path, 'GOOGLE_METRICS_PRODUCT_ID'), str(EXPECTED_PRODUCT_ID)) utils.system_output('metrics_daemon -uploader_test ' '-server="%s" ' '-config_root="%s"' % (SERVER_ADDRESS, self._tempdir.name), retain_output=True) self.server.Stop() if len(self.server.messages) != 1: raise error.TestFail('should have received 1 message. Received: ' + str(len(self.server.messages))) proto = ChromeUserMetricsExtension.FromString(self.server.messages[0]) logging.debug('Proto received is: ' + str(proto)) if proto.product != EXPECTED_PRODUCT_ID: raise error.TestFail('Product id should be set to 3. Was: ' + str(proto.product))
def get_write_one_line_output(self, content): test_file = mock.SaveDataAfterCloseStringIO() utils.open.expect_call("filename", "w").and_return(test_file) utils.write_one_line("filename", content) self.god.check_playback() return test_file.final_data
def set_power_state(state): """ Set the system power state to 'state'. """ utils.write_one_line('/sys/power/state', state)
def set_wake_alarm(alarm_time): """ Set the hardware RTC-based wake alarm to 'alarm_time'. """ utils.write_one_line('/sys/class/rtc/rtc0/wakealarm', str(alarm_time))
def initialize(self): # Store the setting if the system has CPUQuiet feature if os.path.exists(SYSFS_CPUQUIET_ENABLE): self.is_cpuquiet_enabled = utils.read_file(SYSFS_CPUQUIET_ENABLE) utils.write_one_line(SYSFS_CPUQUIET_ENABLE, '0')