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 | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py index 748dcf3e..82067295 100644 --- a/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py +++ b/VNFs/DPPD-PROX/helper-scripts/rapid/rapid_impairtest.py @@ -19,22 +19,21 @@ import sys import time +import requests from rapid_log import RapidLog 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, pushgateway, - environment_file, gen_machine): - self.test = test_param + environment_file, gen_machine, sut_machine): + super().__init__(test_param, runtime, pushgateway, environment_file) self.gen_machine = gen_machine self.sut_machine = sut_machine self.test['lat_percentile'] = lat_percentile - self.test['runtime'] = runtime - self.test['pushgateway'] = pushgateway - self.test['environment_file'] = environment_file def run(self): # fieldnames = ['Flows','PacketSize','RequestedPPS','GeneratedPPS','SentPPS','ForwardedPPS','ReceivedPPS','AvgLatencyUSEC','MaxLatencyUSEC','Dropped','DropRate'] @@ -47,11 +46,12 @@ class ImpairTest(RapidTest): 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("+-----------------------------------------------------------------------------------------------------------------------------------------------------------------+") - RapidLog.info("| Generator is sending UDP ("+'{:>5}'.format(flow_number)+" flow) packets ("+ '{:>5}'.format(size) +" bytes) to SUT via GW dropping and delaying packets. SUT sends packets back. Use ctrl-c to stop the test |") - RapidLog.info("+--------+--------------------+----------------+----------------+----------------+----------------+----------------+----------------+----------------+------------+") - RapidLog.info("| Test | Speed requested | Sent to NIC | Sent by Gen | Forward by SUT | Rec. by Gen | Avg. Latency | Max. Latency | Packets Lost | Loss Ratio |") - RapidLog.info("+--------+--------------------+----------------+----------------+----------------+----------------+----------------+----------------+----------------+------------+") + RapidLog.info("+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+") + RapidLog.info("| Generator is sending UDP ({:>5} flow) packets ({:>5} bytes) to SUT via GW dropping and delaying packets. SUT sends packets back. Use ctrl-c to stop the test |".format(flow_number,size)) + RapidLog.info("+--------+------------------+-------------+-------------+-------------+------------------------+----------+----------+----------+-----------+-----------+-----------+-----------+-------+----+") + 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("+--------+------------------+-------------+-------------+-------------+------------------------+----------+----------+----------+-----------+-----------+-----------+-----------+-------+----+") + speed = self.test['startspeed'] self.gen_machine.set_generator_speed(speed) while True: @@ -60,17 +60,18 @@ class ImpairTest(RapidTest): sys.stdout.flush() time.sleep(1) # Get statistics now that the generation is stable and NO ARP messages any more - pps_req_tx,pps_tx,pps_sut_tx_str,pps_rx,lat_avg, lat_perc, lat_perc_max, lat_max, abs_dropped, abs_tx_fail, abs_tx, lat_min, lat_used, r, actual_duration = run_iteration(float(self.test['runtime']),flow_number,size,speed) - drop_rate = 100.0*abs_dropped/abs_tx - if lat_used < 0.95: - lat_warning = bcolors.FAIL + ' Potential latency accuracy problem: {:>3.0f}%'.format(lat_used*100) + bcolors.ENDC + pps_req_tx,pps_tx,pps_sut_tx,pps_rx,lat_avg, lat_perc, lat_perc_max, lat_max, abs_tx, abs_rx, abs_dropped, abs_tx_fail, drop_rate, lat_min, lat_used, r, actual_duration = self.run_iteration(float(self.test['runtime']),flow_number,size,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 (drop_rate + lat_used * 100) < 95: + lat_warning = bcolors.WARNING + ' Latency accuracy issue?: {:>3.0f}%'.format(lat_used*100) + bcolors.ENDC else: lat_warning = '' - RapidLog.info('|{:>7}'.format(str(attempts))+" | " + '{:>5.1f}'.format(speed) + '% ' +'{:>6.3f}'.format(get_pps(speed,size)) + ' Mpps | '+ '{:>9.3f}'.format(pps_req_tx)+' Mpps | '+ '{:>9.3f}'.format(pps_tx) +' Mpps | ' + '{:>9}'.format(pps_sut_tx_str) +' Mpps | '+ '{:>9.3f}'.format(pps_rx)+' Mpps | '+ '{:>9.0f}'.format(lat_avg)+' us | '+ '{:>9.0f}'.format(lat_max)+' us | '+ '{:>14d}'.format(abs_dropped)+ ' |''{:>9.2f}'.format(drop_rate)+ '% |'+lat_warning) - # writer.writerow({'Flows':flow_number,'PacketSize':(size+4),'RequestedPPS':get_pps(speed,size),'GeneratedPPS':pps_req_tx,'SentPPS':pps_tx,'ForwardedPPS':pps_sut_tx_str,'ReceivedPPS':pps_rx,'AvgLatencyUSEC':lat_avg,'MaxLatencyUSEC':lat_max,'Dropped':abs_dropped,'DropRate':drop_rate}) + RapidLog.info(self.report_result(attempts,size,speed,pps_req_tx,pps_tx,pps_sut_tx,pps_rx,lat_avg,lat_perc,lat_perc_max,lat_max,abs_tx,abs_rx,abs_dropped,actual_duration)) +# writer.writerow({'Flows':flow_number,'PacketSize':(size+4),'RequestedPPS':self.get_pps(speed,size),'GeneratedPPS':pps_req_tx,'SentPPS':pps_tx,'ForwardedPPS':pps_sut_tx_str,'ReceivedPPS':pps_rx,'AvgLatencyUSEC':lat_avg,'MaxLatencyUSEC':lat_max,'Dropped':abs_dropped,'DropRate':drop_rate}) if self.test['pushgateway']: - URL = self.test['pushgateway'] + '/metrics/job/' + TestName + '/instance/' + self.test['environment_file'] - DATA = 'Flows {}\nPacketSize {}\nRequestedPPS {}\nGeneratedPPS {}\nSentPPS {}\nForwardedPPS {}\nReceivedPPS {}\nAvgLatencyUSEC {}\nMaxLatencyUSEC {}\nDropped {}\nDropRate {}\n'.format(flow_number,size+4,get_pps(speed,size),pps_req_tx,pps_tx,pps_sut_tx_str,pps_rx,lat_avg,lat_max,abs_dropped,drop_rate) + URL = self.test['pushgateway'] + self.test['test'] + '/instance/' + self.test['environment_file'] + DATA = 'Flows {}\nPacketSize {}\nRequestedPPS {}\nGeneratedPPS {}\nSentPPS {}\nForwardedPPS {}\nReceivedPPS {}\nAvgLatencyUSEC {}\nMaxLatencyUSEC {}\nDropped {}\nDropRate {}\n'.format(flow_number,size+4,self.get_pps(speed,size),pps_req_tx,pps_tx,pps_sut_tx,pps_rx,lat_avg,lat_max,abs_dropped,drop_rate) HEADERS = {'X-Requested-With': 'Python requests', 'Content-type': 'text/xml'} response = requests.post(url=URL, data=DATA,headers=HEADERS) if (response.status_code != 202) and (response.status_code != 200): |