| # Copyright 2015 The Chromium OS 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 logging |
| import threading |
| import time |
| |
| from autotest_lib.client.common_lib.cros.network import ping_runner |
| from autotest_lib.client.common_lib.cros.network import xmlrpc_datatypes |
| from autotest_lib.server.cros.network import netperf_runner |
| from autotest_lib.server.cros.network import netperf_session |
| from autotest_lib.server.cros.network import wifi_cell_test_base |
| |
| from autotest_lib.server.cros.bluetooth.bluetooth_adapter_quick_tests import \ |
| BluetoothAdapterQuickTests |
| from autotest_lib.server.cros.bluetooth.bluetooth_adapter_audio_tests import ( |
| BluetoothAdapterAudioTests) |
| from autotest_lib.client.cros.bluetooth.bluetooth_audio_test_data import A2DP |
| |
| |
| class network_WiFi_BluetoothStreamPerf(wifi_cell_test_base.WiFiCellTestBase, |
| BluetoothAdapterQuickTests, |
| BluetoothAdapterAudioTests): |
| """Test maximal achievable bandwidth on several channels per band. |
| |
| Conducts a performance test for a set of specified router configurations |
| and reports results as keyval pairs. |
| |
| """ |
| |
| test_wrapper = BluetoothAdapterQuickTests.quick_test_test_decorator |
| batch_wrapper = BluetoothAdapterQuickTests.quick_test_batch_decorator |
| |
| version = 1 |
| |
| NETPERF_CONFIGS = [ |
| netperf_runner.NetperfConfig( |
| netperf_runner.NetperfConfig.TEST_TYPE_TCP_STREAM), |
| netperf_runner.NetperfConfig( |
| netperf_runner.NetperfConfig.TEST_TYPE_TCP_MAERTS), |
| netperf_runner.NetperfConfig( |
| netperf_runner.NetperfConfig.TEST_TYPE_UDP_STREAM), |
| netperf_runner.NetperfConfig( |
| netperf_runner.NetperfConfig.TEST_TYPE_UDP_MAERTS), |
| ] |
| |
| |
| def parse_additional_arguments(self, commandline_args, additional_params): |
| """Hook into super class to take control files parameters. |
| |
| @param commandline_args dict of parsed parameters from the autotest. |
| @param additional_params list of HostapConfig objects. |
| |
| """ |
| self._ap_configs = additional_params |
| |
| |
| def test_one(self, session, config, ap_config_tag, bt_tag): |
| """Run one iteration of wifi testing. |
| |
| @param session NetperfSession session |
| @param config NetperfConfig config |
| @param ap_config_tag string for AP configuration |
| @param bt_tag string for BT operation |
| |
| """ |
| get_ping_config = lambda period: ping_runner.PingConfig( |
| self.context.get_wifi_addr(), interval=1, count=period) |
| |
| logging.info('testing config %s, ap_config %s, BT:%s', |
| config.tag, ap_config_tag, bt_tag) |
| test_str = '_'.join([ap_config_tag, bt_tag]) |
| time.sleep(1) |
| |
| # Record the signal level. |
| signal_level = self.context.client.wifi_signal_level |
| signal_description = '_'.join(['signal', test_str]) |
| self.write_perf_keyval({signal_description: signal_level}) |
| |
| # Run netperf and log the results. |
| results = session.run(config) |
| if not results: |
| logging.error('Failed to take measurement for %s', |
| config.tag) |
| return |
| values = [result.throughput for result in results] |
| self.output_perf_value(config.tag + '_' + bt_tag, values, units='Mbps', |
| higher_is_better=True, |
| graph=ap_config_tag) |
| result = netperf_runner.NetperfResult.from_samples(results) |
| self.write_perf_keyval(result.get_keyval( |
| prefix='_'.join([config.tag, test_str]))) |
| |
| # Log the drop in throughput compared with the 'BT_disconnected' |
| # baseline. Only positive values are valid. Report the drop as a |
| # whole integer percentage of (base_through-through)/base_through. |
| if bt_tag == 'BT_disconnected': |
| self.base_through = result.throughput |
| elif self.base_through > 0: |
| drop = int( (self.base_through - result.throughput) * 100 / |
| self.base_through) |
| self.output_perf_value(config.tag + '_' + bt_tag + '_drop', |
| drop, units='percent_drop', |
| higher_is_better=False, |
| graph=ap_config_tag + '_drop') |
| self.write_perf_keyval({'_'.join([config.tag, test_str, 'drop']): |
| drop}) |
| logging.info('logging drop value as %d%%', drop) |
| |
| # Test latency with ping. |
| result_ping = self.context.client.ping(get_ping_config(3)) |
| self.write_perf_keyval( |
| { '_'.join(['ping', test_str]): result_ping.avg_latency }) |
| logging.info('Ping statistics with %s: %r', bt_tag, result_ping) |
| |
| def pair_audio_device(self, device): |
| """Pair an audio device pre-test to simplify later re-connection""" |
| self.test_device_set_discoverable(device, True) |
| self.test_discover_device(device.address) |
| self.test_pairing(device.address, device.pin, trusted=True) |
| device.SetTrustedByRemoteAddress(self.bluetooth_facade.address) |
| self.test_disconnection_by_adapter(device.address) |
| |
| def do_audio_test(self, device): |
| """Run the body of the audio test""" |
| self.test_a2dp_sinewaves(device, A2DP, 60) |
| |
| @test_wrapper('Coex tests', devices={'BLUETOOTH_AUDIO': 1}) |
| def coex_test(self): |
| """Test body.""" |
| start_time = time.time() |
| |
| device = self.devices['BLUETOOTH_AUDIO'][0] |
| self.initialize_bluetooth_audio(device, A2DP) |
| self.pair_audio_device(device) |
| |
| for ap_config in self._ap_configs: |
| # Set up the router and associate the client with it. |
| self.context.configure(ap_config) |
| assoc_params = xmlrpc_datatypes.AssociationParameters( |
| ssid=self.context.router.get_ssid(), |
| security_config=ap_config.security_config) |
| self.context.assert_connect_wifi(assoc_params) |
| session = netperf_session.NetperfSession(self.context.client, |
| self.context.router) |
| session.MEASUREMENT_MAX_SAMPLES = 6. |
| |
| |
| # Warmup the wifi path and measure signal. |
| session.warmup_stations() |
| ap_config_tag = ap_config.perf_loggable_description |
| |
| for config in self.NETPERF_CONFIGS: |
| self.base_through = 0 |
| self.test_one(session, config, ap_config_tag, 'BT_disconnected') |
| |
| self.test_connection_by_device(device) |
| self.test_one(session, config, ap_config_tag, |
| 'BT_connected_but_not_streaming') |
| |
| # Start playing audio in background |
| audio_thread = threading.Thread(target=self.do_audio_test, |
| args=(device, )) |
| audio_thread.start() |
| self.test_one(session, config, ap_config_tag, |
| 'BT_streaming_audiofile') |
| |
| # Wait for audio thread to complete |
| audio_thread.join() |
| self.test_disconnection_by_adapter(device.address) |
| self.test_one(session, config, ap_config_tag, |
| 'BT_disconnected_again') |
| |
| # Clean up router and client state for the next run. |
| self.context.client.shill.disconnect(self.context.router.get_ssid()) |
| self.context.router.deconfig() |
| |
| self.cleanup_bluetooth_audio(device, A2DP) |
| end_time = time.time() |
| logging.info('Running time %0.1f seconds.', end_time - start_time) |
| |
| @batch_wrapper('Coex batch') |
| def coex_health_batch_run(self, num_iterations=1, test_name=None): |
| """Run the bluetooth coex health test batch or a specific given test. |
| |
| @param num_iterations: how many iterations to run |
| @param test_name: specific test to run otherwise None to run the |
| whole batch |
| """ |
| self.coex_test() |
| |
| def run_once(self, host, test_name=None): |
| self.host = host |
| |
| self.quick_test_init(host, use_btpeer=True) |
| self.coex_health_batch_run(test_name=test_name) |
| self.quick_test_cleanup() |
