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#!/usr/bin/env python3
#
# Copyright 2019 Ettus Research, a National Instruments Brand
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
""" Test using tx_waveforms """
import re
from uhd_test_base import uhd_example_test_case
class uhd_tx_waveforms_test(uhd_example_test_case):
"""
Run benchmark_rate in various configurations.
"""
tests = {}
def setup_example(self):
"""
Set args.
"""
self.test_params = uhd_tx_waveforms_test.tests
def run_test(self, test_name, test_args):
"""
Runs tx_waveforms with the given parameters. Parses output and writes
results to file.
"""
samp_rate = test_args.get('rate', 1e6)
nsamps = test_args.get('nsamps', '1000000')
chan = test_args.get('chan', '0')
freq = test_args.get('freq', '0')
self.log.info('Running test %s, Channel = %s, Sample Rate = %f',
test_name, chan, samp_rate)
args = [
self.create_addr_args_str(),
'--nsamps', str(nsamps),
'--channels', str(chan),
'--freq', str(freq),
'--rate', str(samp_rate),
]
(app, run_results) = self.run_example('tx_waveforms', args)
# This only works if UHD_LOG_FASTPATH_DISABLE==0, which is usually not
# the case. But we leave it in here just in case.
run_results['num_late'] = int(len(re.findall(r'LLL', app.stderr)) * 3)
run_results['passed'] = all([
run_results['return_code'] == 0,
run_results['num_late'] == 0,
])
self.report_example_results(test_name, run_results)
return run_results
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