def run_test(path, params, iterations, label):
"""
Runs benchmark rate for the number of iterations in the command line arguments
"""
print("-----------------------------------------------------------")
print(label + "\n")
results = batch_run_benchmark_rate.run(path, iterations, params, False)
stats = batch_run_benchmark_rate.calculate_stats(results)
print(batch_run_benchmark_rate.get_summary_string(stats, iterations, params))
def test_streaming(pytestconfig, dut_type, use_dpdk, dual_10G, rate, rx_rate,
rx_channels, tx_rate, tx_channels, iterations, duration):
benchmark_rate_path = Path(
pytestconfig.getoption('uhd_build_dir')) / 'examples/benchmark_rate'
# construct device args string
device_args = f"master_clock_rate={rate},"
if dut_type == "B210":
device_args += f"name={pytestconfig.getoption('name')},"
else:
device_args += f"addr={pytestconfig.getoption('addr')},"
if dual_10G:
device_args += f"second_addr={pytestconfig.getoption('second_addr')},"
if use_dpdk:
device_args += f"use_dpdk=1,mgmt_addr={pytestconfig.getoption('mgmt_addr')}"
# construct benchmark_rate params dictionary
benchmark_rate_params = {
"args": device_args,
"duration": duration,
}
if rx_channels:
benchmark_rate_params["rx_rate"] = rx_rate
benchmark_rate_params["rx_channels"] = rx_channels
if tx_channels:
benchmark_rate_params["tx_rate"] = tx_rate
benchmark_rate_params["tx_channels"] = tx_channels
# run benchmark rate
print()
results = batch_run_benchmark_rate.run(benchmark_rate_path, iterations,
benchmark_rate_params)
stats = batch_run_benchmark_rate.calculate_stats(results)
print(
batch_run_benchmark_rate.get_summary_string(stats, iterations,
benchmark_rate_params))
# compare results against thresholds
dropped_samps_threshold = 0
overruns_threshold = 2
rx_timeouts_threshold = 0
rx_seq_err_threshold = 0
underruns_threshold = 2
tx_timeouts_threshold = 0
tx_seq_err_threshold = 0
late_cmds_threshold = 0
# TODO: define custom failed assertion explanations to avoid extra output
# https://docs.pytest.org/en/6.2.x/assert.html#defining-your-own-explanation-for-failed-assertions
if rx_channels:
assert stats.avg_vals.dropped_samps <= dropped_samps_threshold, \
f"""Number of dropped samples exceeded threshold.
Expected dropped samples: <= {dropped_samps_threshold}
Actual dropped samples: {stats.avg_vals.dropped_samps}"""
assert stats.avg_vals.overruns <= overruns_threshold, \
f"""Number of overruns exceeded threshold.
Expected overruns: <= {overruns_threshold}
Actual overruns: {stats.avg_vals.overruns}"""
assert stats.avg_vals.rx_timeouts <= rx_timeouts_threshold, \
f"""Number of rx timeouts exceeded threshold.
Expected rx timeouts: <= {rx_timeouts_threshold}
Actual rx timeouts: {stats.avg_vals.rx_timeouts}"""
assert stats.avg_vals.rx_seq_errs <= rx_seq_err_threshold, \
f"""Number of rx sequence errors exceeded threshold.
Expected rx sequence errors: <= {rx_seq_err_threshold}
Actual rx sequence errors: {stats.avg_vals.rx_seq_errs}"""
if tx_channels:
assert stats.avg_vals.underruns <= underruns_threshold, \
f"""Number of underruns exceeded threshold.
Expected underruns: <= {underruns_threshold}
Actual underruns: {stats.avg_vals.underruns}"""
assert stats.avg_vals.tx_timeouts <= tx_timeouts_threshold, \
f"""Number of tx timeouts exceeded threshold.
Expected tx timeouts: <= {tx_timeouts_threshold}
Actual tx timeouts: {stats.avg_vals.tx_timeouts}"""
assert stats.avg_vals.tx_seq_errs <= tx_seq_err_threshold, \
f"""Number of tx sequence errors exceeded threshold.
Expected tx sequence errors: <= {tx_seq_err_threshold}
Actual tx sequence errors: {stats.avg_vals.tx_seq_errs}"""
assert stats.avg_vals.late_cmds <= late_cmds_threshold, \
f"""Number of late commands exceeded threshold.