blob: 422d26493df422e48277a9ace962d4ec6a75de5b [file] [log] [blame] [edit]
# Copyright (c) 2013 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 time
from autotest_lib.client.common_lib import error
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
class network_WiFi_Perf(wifi_cell_test_base.WiFiCellTestBase):
"""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.
"""
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 run_once(self):
"""Test body."""
start_time = time.time()
for ap_config in self._ap_configs:
# Set up the router and associate the client with it.
self.context.configure(ap_config)
if ap_config.is_11ac and not self.context.client.is_vht_supported():
raise error.TestNAError('Client does not have AC support')
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)
# Conduct the performance tests while toggling powersave mode.
for power_save in (True, False):
self.context.client.powersave_switch(power_save)
session.warmup_stations()
ps_tag = 'PS%s' % ('on' if power_save else 'off')
ap_config_tag = '_'.join([ap_config.perf_loggable_description,
ps_tag])
signal_level = self.context.client.wifi_signal_level
signal_description = '_'.join([ap_config_tag, 'signal'])
self.write_perf_keyval({signal_description: signal_level})
for config in self.NETPERF_CONFIGS:
results = session.run(config)
if not results:
logging.error('Failed to take measurement for %s',
config.tag)
continue
values = [result.throughput for result in results]
self.output_perf_value(config.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([ap_config_tag, config.tag])))
# Clean up router and client state for the next run.
self.context.client.shill.disconnect(self.context.router.get_ssid())
self.context.router.deconfig()
end_time = time.time()
logging.info('Running time %0.1f seconds.', end_time - start_time)