diff options
Diffstat (limited to 'VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py')
| -rw-r--r-- | VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py new file mode 100644 index 00000000..3945cd8e --- /dev/null +++ b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py @@ -0,0 +1,108 @@ +#!/usr/bin/python + +## +## Copyright (c) 2020 Intel Corporation +## +## Licensed under the Apache License, Version 2.0 (the "License"); +## you may not use this file except in compliance with the License. +## You may obtain a copy of the License at +## +## +## http://www.apache.org/licenses/LICENSE-2.0 +## +## Unless required by applicable law or agreed to in writing, software +## distributed under the License is distributed on an "AS IS" BASIS, +## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +## See the License for the specific language governing permissions and +## limitations under the License. +## + +import sys +import time +import requests +from rapid_log import RapidLog +from rapid_log import bcolors +from rapid_test import RapidTest +from statistics import mean + +class ImpairTest(RapidTest): + """ + Class to manage the impair testing + """ + def __init__(self, test_param, lat_percentile, runtime, testname, + environment_file, gen_machine, sut_machine, background_machines): + super().__init__(test_param, runtime, testname, environment_file) + self.gen_machine = gen_machine + self.sut_machine = sut_machine + self.background_machines = background_machines + self.test['lat_percentile'] = lat_percentile + + def run(self): + result_details = {'Details': 'Nothing'} + imix = self.test['imix'] + size = mean (imix) + flow_number = self.test['flowsize'] + attempts = self.test['steps'] + self.gen_machine.set_udp_packet_size(imix) + flow_number = self.gen_machine.set_flows(flow_number) + self.gen_machine.start_latency_cores() + RapidLog.info('+' + '-' * 188 + '+') + RapidLog.info(("| Generator is sending UDP ({:>5} flow) packets ({:>5}" + " bytes) to SUT via GW dropping and delaying packets. SUT sends " + "packets back.{:>60}").format(flow_number,round(size),'|')) + RapidLog.info('+' + '-' * 8 + '+' + '-' * 18 + '+' + '-' * 13 + + '+' + '-' * 13 + '+' + '-' * 13 + '+' + '-' * 24 + '+' + + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 11 + + '+' + '-' * 11 + '+' + '-' * 11 + '+' + '-' * 11 + '+' + + '-' * 7 + '+' + '-' * 4 + '+') + RapidLog.info(('| Test | Speed requested | Gen by core | Sent by NIC' + ' | Fwrd by SUT | Rec. by core | Avg. Lat.|{:.0f} Pcentil' + '| Max. Lat.| Sent | Received | Lost | Total Lost|' + 'L.Ratio|Time|').format(self.test['lat_percentile']*100)) + RapidLog.info('+' + '-' * 8 + '+' + '-' * 18 + '+' + '-' * 13 + + '+' + '-' * 13 + '+' + '-' * 13 + '+' + '-' * 24 + '+' + + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 11 + + '+' + '-' * 11 + '+' + '-' * 11 + '+' + '-' * 11 + '+' + + '-' * 7 + '+' + '-' * 4 + '+') + speed = self.test['startspeed'] + self.gen_machine.set_generator_speed(speed) + while attempts: + attempts -= 1 + print('Measurement ongoing at speed: ' + str(round(speed,2)) + '% ',end='\r') + sys.stdout.flush() + time.sleep(1) + # Get statistics now that the generation is stable and NO ARP messages any more + iteration_data = self.run_iteration(float(self.test['runtime']),flow_number,size,speed) + iteration_data['speed'] = speed + # Drop rate is expressed in percentage. lat_used is a ratio (0 to 1). The sum of these 2 should be 100%. + # If the sum is lower than 95, it means that more than 5% of the latency measurements where dropped for accuracy reasons. + if (iteration_data['drop_rate'] + + iteration_data['lat_used'] * 100) < 95: + lat_warning = ('{} Latency accuracy issue?: {:>3.0f}%' + '{}').format(bcolors.WARNING, + iteration_data['lat_used']*100, bcolors.ENDC) + else: + lat_warning = '' + iteration_prefix = {'speed' : '', + 'lat_avg' : '', + 'lat_perc' : '', + 'lat_max' : '', + 'abs_drop_rate' : '', + 'drop_rate' : ''} + RapidLog.info(self.report_result(attempts, size, iteration_data, + iteration_prefix)) + iteration_data['test'] = self.test['testname'] + iteration_data['environment_file'] = self.test['environment_file'] + iteration_data['Flows'] = flow_number + iteration_data['Size'] = size + iteration_data['RequestedSpeed'] = RapidTest.get_pps( + iteration_data['speed'] ,size) + result_details = self.post_data(iteration_data) + RapidLog.debug(result_details) + RapidLog.info('+' + '-' * 8 + '+' + '-' * 18 + '+' + '-' * 13 + + '+' + '-' * 13 + '+' + '-' * 13 + '+' + '-' * 24 + '+' + + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 10 + '+' + '-' * 11 + + '+' + '-' * 11 + '+' + '-' * 11 + '+' + '-' * 11 + '+' + + '-' * 7 + '+' + '-' * 4 + '+') + self.gen_machine.stop_latency_cores() + return (True, result_details) |