## limitations under the License.
##
+import yaml
+import requests
import time
+import os
+import copy
from past.utils import old_div
from rapid_log import RapidLog
from rapid_log import bcolors
+inf = float("inf")
+from datetime import datetime as dt
+
+_CURR_DIR = os.path.dirname(os.path.realpath(__file__))
class RapidTest(object):
"""
- Class to manage the flowsizetesting
+ Class to manage the testing
"""
+ def __init__(self, test_param, runtime, testname, environment_file ):
+ self.test = test_param
+ self.test['runtime'] = runtime
+ self.test['testname'] = testname
+ self.test['environment_file'] = environment_file
+ if 'maxr' not in self.test.keys():
+ self.test['maxr'] = 1
+ if 'maxz' not in self.test.keys():
+ self.test['maxz'] = inf
+ with open(os.path.join(_CURR_DIR,'format.yaml')) as f:
+ self.data_format = yaml.load(f, Loader=yaml.FullLoader)
+
@staticmethod
def get_percentageof10Gbps(pps_speed,size):
# speed is given in pps, returning % of 10Gb/s
machine.stop()
@staticmethod
- def report_result(flow_number, size, speed, pps_req_tx, pps_tx, pps_sut_tx,
- pps_rx, lat_avg, lat_perc, lat_perc_max, lat_max, tx, rx, tot_drop,
- elapsed_time,speed_prefix='', lat_avg_prefix='', lat_perc_prefix='',
- lat_max_prefix='', abs_drop_rate_prefix='', drop_rate_prefix=''):
+ def parse_data_format_dict(data_format, variables):
+ for k, v in data_format.items():
+ if type(v) is dict:
+ RapidTest.parse_data_format_dict(v, variables)
+ else:
+ if v in variables.keys():
+ data_format[k] = variables[v]
+
+ def post_data(self, variables):
+ test_type = type(self).__name__
+ var = copy.deepcopy(self.data_format)
+ self.parse_data_format_dict(var, variables)
+ if var.keys() >= {'URL', test_type, 'Format'}:
+ URL=''
+ for value in var['URL'].values():
+ URL = URL + value
+ HEADERS = {'X-Requested-With': 'Python requests', 'Content-type': 'application/rapid'}
+ if var['Format'] == 'PushGateway':
+ data = "\n".join("{} {}".format(k, v) for k, v in var[test_type].items()) + "\n"
+ response = requests.post(url=URL, data=data,headers=HEADERS)
+ elif var['Format'] == 'Xtesting':
+ data = var[test_type]
+ response = requests.post(url=URL, json=data)
+ if (response.status_code >= 300):
+ RapidLog.info('Cannot send metrics to {}'.format(URL))
+ RapidLog.info(data)
+ return (var[test_type])
+
+ @staticmethod
+ def report_result(flow_number, size, data, prefix):
if flow_number < 0:
flow_number_str = '| ({:>4}) |'.format(abs(flow_number))
else:
flow_number_str = '|{:>7} |'.format(flow_number)
- if pps_req_tx is None:
+ if data['pps_req_tx'] is None:
pps_req_tx_str = '{0: >14}'.format(' NA |')
else:
- pps_req_tx_str = '{:>7.3f} Mpps |'.format(pps_req_tx)
- if pps_tx is None:
+ pps_req_tx_str = '{:>7.3f} Mpps |'.format(data['pps_req_tx'])
+ if data['pps_tx'] is None:
pps_tx_str = '{0: >14}'.format(' NA |')
else:
- pps_tx_str = '{:>7.3f} Mpps |'.format(pps_tx)
- if pps_sut_tx is None:
+ pps_tx_str = '{:>7.3f} Mpps |'.format(data['pps_tx'])
+ if data['pps_sut_tx'] is None:
pps_sut_tx_str = '{0: >14}'.format(' NA |')
else:
- pps_sut_tx_str = '{:>7.3f} Mpps |'.format(pps_sut_tx)
- if pps_rx is None:
+ pps_sut_tx_str = '{:>7.3f} Mpps |'.format(data['pps_sut_tx'])
+ if data['pps_rx'] is None:
pps_rx_str = '{0: >25}'.format('NA |')
else:
- pps_rx_str = bcolors.OKBLUE + '{:>4.1f} Gb/s |{:7.3f} Mpps {}|'.format(RapidTest.get_speed(pps_rx,size),pps_rx,bcolors.ENDC)
- if tot_drop is None:
+ pps_rx_str = bcolors.OKBLUE + '{:>4.1f} Gb/s |{:7.3f} Mpps {}|'.format(
+ RapidTest.get_speed(data['pps_rx'],size),data['pps_rx'],bcolors.ENDC)
+ if data['abs_dropped'] is None:
tot_drop_str = ' | NA | '
else:
- tot_drop_str = ' | {:>9.0f} | '.format(tot_drop)
- if lat_perc is None:
- lat_perc_str = ' |{:^10.10}|'.format('NA')
- elif lat_perc_max == True:
- lat_perc_str = '|>{}{:>5.0f} us{} |'.format(lat_perc_prefix,float(lat_perc), bcolors.ENDC)
+ tot_drop_str = ' | {:>9.0f} | '.format(data['abs_dropped'])
+ if data['lat_perc'] is None:
+ lat_perc_str = '|{:^10.10}|'.format('NA')
+ elif data['lat_perc_max'] == True:
+ lat_perc_str = '|>{}{:>5.0f} us{} |'.format(prefix['lat_perc'],
+ float(data['lat_perc']), bcolors.ENDC)
else:
- lat_perc_str = '| {}{:>5.0f} us{} |'.format(lat_perc_prefix,float(lat_perc), bcolors.ENDC)
- if elapsed_time is None:
+ lat_perc_str = '| {}{:>5.0f} us{} |'.format(prefix['lat_perc'],
+ float(data['lat_perc']), bcolors.ENDC)
+ if data['actual_duration'] is None:
elapsed_time_str = ' NA |'
else:
- elapsed_time_str = '{:>3.0f} |'.format(elapsed_time)
- return(flow_number_str + '{:>5.1f}'.format(speed) + '% '+speed_prefix +'{:>6.3f}'.format(RapidTest.get_pps(speed,size)) + ' Mpps|'+ pps_req_tx_str + pps_tx_str + bcolors.ENDC + pps_sut_tx_str + pps_rx_str +lat_avg_prefix+ ' {:>6.0f}'.format(lat_avg)+' us'+lat_perc_str+lat_max_prefix+'{:>6.0f}'.format(lat_max)+' us | ' + '{:>9.0f}'.format(tx) + ' | {:>9.0f}'.format(rx) + ' | '+ abs_drop_rate_prefix+ '{:>9.0f}'.format(tx-rx) + tot_drop_str +drop_rate_prefix+ '{:>5.2f}'.format(old_div(float(tx-rx),tx)) +bcolors.ENDC+' |' + elapsed_time_str)
-
+ elapsed_time_str = '{:>3.0f} |'.format(data['actual_duration'])
+ if data['mis_ordered'] is None:
+ mis_ordered_str = ' NA '
+ else:
+ mis_ordered_str = '{:>9.0f} '.format(data['mis_ordered'])
+ return(flow_number_str + '{:>5.1f}'.format(data['speed']) + '% ' + prefix['speed']
+ + '{:>6.3f}'.format(RapidTest.get_pps(data['speed'],size)) + ' Mpps|' +
+ pps_req_tx_str + pps_tx_str + bcolors.ENDC + pps_sut_tx_str +
+ pps_rx_str + prefix['lat_avg'] + ' {:>6.0f}'.format(data['lat_avg']) +
+ ' us' + lat_perc_str +prefix['lat_max']+'{:>6.0f}'.format(data['lat_max'])
+ + ' us | ' + '{:>9.0f}'.format(data['abs_tx']) + ' | {:>9.0f}'.format(data['abs_rx']) +
+ ' | '+ prefix['abs_drop_rate']+ '{:>9.0f}'.format(data['abs_tx']-data['abs_rx']) +
+ tot_drop_str + prefix['drop_rate'] +
+ '{:>5.2f}'.format(100*old_div(float(data['abs_tx']-data['abs_rx']),data['abs_tx'])) + ' |' +
+ prefix['mis_ordered'] + mis_ordered_str + bcolors.ENDC +
+ ' |' + elapsed_time_str)
+
def run_iteration(self, requested_duration, flow_number, size, speed):
BUCKET_SIZE_EXP = self.gen_machine.bucket_size_exp
+ sleep_time = self.test['sleep_time']
LAT_PERCENTILE = self.test['lat_percentile']
- r = 0;
- sleep_time = 2
- while (r < self.test['maxr']):
+ iteration_data= {}
+ time_loop_data= {}
+ iteration_data['r'] = 0;
+
+ while (iteration_data['r'] < self.test['maxr']):
+ self.gen_machine.start_latency_cores()
time.sleep(sleep_time)
# Sleep_time is needed to be able to do accurate measurements to check for packet loss. We need to make this time large enough so that we do not take the first measurement while some packets from the previous tests migth still be in flight
t1_rx, t1_non_dp_rx, t1_tx, t1_non_dp_tx, t1_drop, t1_tx_fail, t1_tsc, abs_tsc_hz = self.gen_machine.core_stats()
t1_dp_rx = t1_rx - t1_non_dp_rx
t1_dp_tx = t1_tx - t1_non_dp_tx
+ self.gen_machine.set_generator_speed(0)
self.gen_machine.start_gen_cores()
+ self.set_background_speed(self.background_machines, 0)
+ self.start_background_traffic(self.background_machines)
+ if 'ramp_step' in self.test.keys():
+ ramp_speed = self.test['ramp_step']
+ else:
+ ramp_speed = speed
+ while ramp_speed < speed:
+ self.gen_machine.set_generator_speed(ramp_speed)
+ self.set_background_speed(self.background_machines, ramp_speed)
+ time.sleep(2)
+ ramp_speed = ramp_speed + self.test['ramp_step']
+ self.gen_machine.set_generator_speed(speed)
+ self.set_background_speed(self.background_machines, speed)
+ iteration_data['speed'] = speed
+ time_loop_data['speed'] = speed
time.sleep(2) ## Needs to be 2 seconds since this 1 sec is the time that PROX uses to refresh the stats. Note that this can be changed in PROX!! Don't do it.
+ start_bg_gen_stats = []
+ for bg_gen_machine in self.background_machines:
+ bg_rx, bg_non_dp_rx, bg_tx, bg_non_dp_tx, _, _, bg_tsc, _ = bg_gen_machine.core_stats()
+ bg_gen_stat = {
+ "bg_dp_rx" : bg_rx - bg_non_dp_rx,
+ "bg_dp_tx" : bg_tx - bg_non_dp_tx,
+ "bg_tsc" : bg_tsc
+ }
+ start_bg_gen_stats.append(dict(bg_gen_stat))
if self.sut_machine!= None:
t2_sut_rx, t2_sut_non_dp_rx, t2_sut_tx, t2_sut_non_dp_tx, t2_sut_drop, t2_sut_tx_fail, t2_sut_tsc, sut_tsc_hz = self.sut_machine.core_stats()
t2_rx, t2_non_dp_rx, t2_tx, t2_non_dp_tx, t2_drop, t2_tx_fail, t2_tsc, tsc_hz = self.gen_machine.core_stats()
tx = t2_tx - t1_tx
- dp_tx = tx - (t2_non_dp_tx - t1_non_dp_tx )
- dp_rx = t2_rx - t1_rx - (t2_non_dp_rx - t1_non_dp_rx)
- tot_dp_drop = dp_tx - dp_rx
+ iteration_data['abs_tx'] = tx - (t2_non_dp_tx - t1_non_dp_tx )
+ iteration_data['abs_rx'] = t2_rx - t1_rx - (t2_non_dp_rx - t1_non_dp_rx)
+ iteration_data['abs_dropped'] = iteration_data['abs_tx'] - iteration_data['abs_rx']
if tx == 0:
RapidLog.critical("TX = 0. Test interrupted since no packet has been sent.")
- if dp_tx == 0:
+ if iteration_data['abs_tx'] == 0:
RapidLog.critical("Only non-dataplane packets (e.g. ARP) sent. Test interrupted since no packet has been sent.")
# Ask PROX to calibrate the bucket size once we have a PROX function to do this.
# Measure latency statistics per second
- lat_min, lat_max, lat_avg, used_avg, t2_lat_tsc, lat_hz, buckets = self.gen_machine.lat_stats()
- lat_samples = sum(buckets)
+ iteration_data.update(self.gen_machine.lat_stats())
+ t2_lat_tsc = iteration_data['lat_tsc']
sample_count = 0
- for sample_percentile, bucket in enumerate(buckets,start=1):
+ for sample_percentile, bucket in enumerate(iteration_data['buckets'],start=1):
sample_count += bucket
- if sample_count > (lat_samples * LAT_PERCENTILE):
+ if sample_count > sum(iteration_data['buckets']) * LAT_PERCENTILE:
break
- percentile_max = (sample_percentile == len(buckets))
- sample_percentile = sample_percentile * float(2 ** BUCKET_SIZE_EXP) / (old_div(float(lat_hz),float(10**6)))
+ iteration_data['lat_perc_max'] = (sample_percentile == len(iteration_data['buckets']))
+ iteration_data['bucket_size'] = float(2 ** BUCKET_SIZE_EXP) / (old_div(float(iteration_data['lat_hz']),float(10**6)))
+ time_loop_data['bucket_size'] = iteration_data['bucket_size']
+ iteration_data['lat_perc'] = sample_percentile * iteration_data['bucket_size']
if self.test['test'] == 'fixed_rate':
- RapidLog.info(self.report_result(flow_number,size,speed,None,None,None,None,lat_avg,sample_percentile,percentile_max,lat_max, dp_tx, dp_rx , None, None))
+ iteration_data['pps_req_tx'] = None
+ iteration_data['pps_tx'] = None
+ iteration_data['pps_sut_tx'] = None
+ iteration_data['pps_rx'] = None
+ iteration_data['lat_perc'] = None
+ iteration_data['actual_duration'] = None
+ iteration_prefix = {'speed' : '',
+ 'lat_avg' : '',
+ 'lat_perc' : '',
+ 'lat_max' : '',
+ 'abs_drop_rate' : '',
+ 'drop_rate' : ''}
+ RapidLog.info(self.report_result(flow_number, size,
+ iteration_data, iteration_prefix ))
tot_rx = tot_non_dp_rx = tot_tx = tot_non_dp_tx = tot_drop = 0
- lat_avg = used_avg = 0
- buckets_total = [0] * 128
- tot_lat_samples = 0
+ iteration_data['lat_avg'] = iteration_data['lat_used'] = 0
tot_lat_measurement_duration = float(0)
- tot_core_measurement_duration = float(0)
+ iteration_data['actual_duration'] = float(0)
tot_sut_core_measurement_duration = float(0)
tot_sut_rx = tot_sut_non_dp_rx = tot_sut_tx = tot_sut_non_dp_tx = tot_sut_drop = tot_sut_tx_fail = tot_sut_tsc = 0
lat_avail = core_avail = sut_avail = False
- while (tot_core_measurement_duration - float(requested_duration) <= 0.1) or (tot_lat_measurement_duration - float(requested_duration) <= 0.1):
+ while (iteration_data['actual_duration'] - float(requested_duration) <= 0.1) or (tot_lat_measurement_duration - float(requested_duration) <= 0.1):
time.sleep(0.5)
- lat_min_sample, lat_max_sample, lat_avg_sample, used_sample, t3_lat_tsc, lat_hz, buckets = self.gen_machine.lat_stats()
+ time_loop_data.update(self.gen_machine.lat_stats())
# Get statistics after some execution time
- if t3_lat_tsc != t2_lat_tsc:
- single_lat_measurement_duration = (t3_lat_tsc - t2_lat_tsc) * 1.0 / lat_hz # time difference between the 2 measurements, expressed in seconds.
+ if time_loop_data['lat_tsc'] != t2_lat_tsc:
+ single_lat_measurement_duration = (time_loop_data['lat_tsc'] - t2_lat_tsc) * 1.0 / time_loop_data['lat_hz'] # time difference between the 2 measurements, expressed in seconds.
# A second has passed in between to lat_stats requests. Hence we need to process the results
tot_lat_measurement_duration = tot_lat_measurement_duration + single_lat_measurement_duration
- if lat_min > lat_min_sample:
- lat_min = lat_min_sample
- if lat_max < lat_max_sample:
- lat_max = lat_max_sample
- lat_avg = lat_avg + lat_avg_sample * single_lat_measurement_duration # Sometimes, There is more than 1 second between 2 lat_stats. Hence we will take the latest measurement
- used_avg = used_avg + used_sample * single_lat_measurement_duration # and give it more weigth.
- lat_samples = sum(buckets)
- tot_lat_samples += lat_samples
+ if iteration_data['lat_min'] > time_loop_data['lat_min']:
+ iteration_data['lat_min'] = time_loop_data['lat_min']
+ if iteration_data['lat_max'] < time_loop_data['lat_max']:
+ iteration_data['lat_max'] = time_loop_data['lat_max']
+ iteration_data['lat_avg'] = iteration_data['lat_avg'] + time_loop_data['lat_avg'] * single_lat_measurement_duration # Sometimes, There is more than 1 second between 2 lat_stats. Hence we will take the latest measurement
+ iteration_data['lat_used'] = iteration_data['lat_used'] + time_loop_data['lat_used'] * single_lat_measurement_duration # and give it more weigth.
sample_count = 0
- for sample_percentile, bucket in enumerate(buckets,start=1):
+ for sample_percentile, bucket in enumerate(time_loop_data['buckets'],start=1):
sample_count += bucket
- if sample_count > lat_samples * LAT_PERCENTILE:
+ if sample_count > sum(time_loop_data['buckets']) * LAT_PERCENTILE:
break
- percentile_max = (sample_percentile == len(buckets))
- sample_percentile = sample_percentile * float(2 ** BUCKET_SIZE_EXP) / (old_div(float(lat_hz),float(10**6)))
- buckets_total = [buckets_total[i] + buckets[i] for i in range(len(buckets_total))]
- t2_lat_tsc = t3_lat_tsc
+ time_loop_data['lat_perc_max'] = (sample_percentile == len(time_loop_data['buckets']))
+ time_loop_data['lat_perc'] = sample_percentile * iteration_data['bucket_size']
+ iteration_data['buckets'] = [iteration_data['buckets'][i] + time_loop_data['buckets'][i] for i in range(len(iteration_data['buckets']))]
+ t2_lat_tsc = time_loop_data['lat_tsc']
lat_avail = True
t3_rx, t3_non_dp_rx, t3_tx, t3_non_dp_tx, t3_drop, t3_tx_fail, t3_tsc, tsc_hz = self.gen_machine.core_stats()
if t3_tsc != t2_tsc:
- single_core_measurement_duration = (t3_tsc - t2_tsc) * 1.0 / tsc_hz # time difference between the 2 measurements, expressed in seconds.
- tot_core_measurement_duration = tot_core_measurement_duration + single_core_measurement_duration
+ time_loop_data['actual_duration'] = (t3_tsc - t2_tsc) * 1.0 / tsc_hz # time difference between the 2 measurements, expressed in seconds.
+ iteration_data['actual_duration'] = iteration_data['actual_duration'] + time_loop_data['actual_duration']
delta_rx = t3_rx - t2_rx
tot_rx += delta_rx
delta_non_dp_rx = t3_non_dp_rx - t2_non_dp_rx
tot_non_dp_tx += delta_non_dp_tx
delta_dp_tx = delta_tx -delta_non_dp_tx
delta_dp_rx = delta_rx -delta_non_dp_rx
- delta_dp_drop = delta_dp_tx - delta_dp_rx
- tot_dp_drop += delta_dp_drop
+ time_loop_data['abs_dropped'] = delta_dp_tx - delta_dp_rx
+ iteration_data['abs_dropped'] += time_loop_data['abs_dropped']
delta_drop = t3_drop - t2_drop
tot_drop += delta_drop
t2_rx, t2_non_dp_rx, t2_tx, t2_non_dp_tx, t2_drop, t2_tx_fail, t2_tsc = t3_rx, t3_non_dp_rx, t3_tx, t3_non_dp_tx, t3_drop, t3_tx_fail, t3_tsc
if self.sut_machine!=None:
t3_sut_rx, t3_sut_non_dp_rx, t3_sut_tx, t3_sut_non_dp_tx, t3_sut_drop, t3_sut_tx_fail, t3_sut_tsc, sut_tsc_hz = self.sut_machine.core_stats()
if t3_sut_tsc != t2_sut_tsc:
- single_sut_core_measurement_duration = (t3_sut_tsc - t2_sut_tsc) * 1.0 / tsc_hz # time difference between the 2 measurements, expressed in seconds.
+ single_sut_core_measurement_duration = (t3_sut_tsc - t2_sut_tsc) * 1.0 / sut_tsc_hz # time difference between the 2 measurements, expressed in seconds.
tot_sut_core_measurement_duration = tot_sut_core_measurement_duration + single_sut_core_measurement_duration
tot_sut_rx += t3_sut_rx - t2_sut_rx
tot_sut_non_dp_rx += t3_sut_non_dp_rx - t2_sut_non_dp_rx
if self.test['test'] == 'fixed_rate':
if lat_avail == core_avail == True:
lat_avail = core_avail = False
- pps_req_tx = (delta_tx + delta_drop - delta_rx)/single_core_measurement_duration/1000000
- pps_tx = delta_tx/single_core_measurement_duration/1000000
+ time_loop_data['pps_req_tx'] = (delta_tx + delta_drop - delta_rx)/time_loop_data['actual_duration']/1000000
+ time_loop_data['pps_tx'] = delta_tx/time_loop_data['actual_duration']/1000000
if self.sut_machine != None and sut_avail:
- pps_sut_tx = delta_sut_tx/single_sut_core_measurement_duration/1000000
+ time_loop_data['pps_sut_tx'] = delta_sut_tx/single_sut_core_measurement_duration/1000000
sut_avail = False
else:
- pps_sut_tx = None
- pps_rx = delta_rx/single_core_measurement_duration/1000000
- RapidLog.info(self.report_result(flow_number, size,
- speed, pps_req_tx, pps_tx, pps_sut_tx, pps_rx,
- lat_avg_sample, sample_percentile, percentile_max,
- lat_max_sample, delta_dp_tx, delta_dp_rx,
- tot_dp_drop, single_core_measurement_duration))
+ time_loop_data['pps_sut_tx'] = None
+ time_loop_data['pps_rx'] = delta_rx/time_loop_data['actual_duration']/1000000
+ time_loop_data['abs_tx'] = delta_dp_tx
+ time_loop_data['abs_rx'] = delta_dp_rx
+ time_loop_prefix = {'speed' : '',
+ 'lat_avg' : '',
+ 'lat_perc' : '',
+ 'lat_max' : '',
+ 'abs_drop_rate' : '',
+ 'drop_rate' : ''}
+ RapidLog.info(self.report_result(flow_number, size, time_loop_data,
+ time_loop_prefix))
+ time_loop_data['test'] = self.test['testname']
+ time_loop_data['environment_file'] = self.test['environment_file']
+ time_loop_data['Flows'] = flow_number
+ time_loop_data['Size'] = size
+ time_loop_data['RequestedSpeed'] = RapidTest.get_pps(speed, size)
+ _ = self.post_data(time_loop_data)
+ end_bg_gen_stats = []
+ for bg_gen_machine in self.background_machines:
+ bg_rx, bg_non_dp_rx, bg_tx, bg_non_dp_tx, _, _, bg_tsc, bg_hz = bg_gen_machine.core_stats()
+ bg_gen_stat = {"bg_dp_rx" : bg_rx - bg_non_dp_rx,
+ "bg_dp_tx" : bg_tx - bg_non_dp_tx,
+ "bg_tsc" : bg_tsc,
+ "bg_hz" : bg_hz
+ }
+ end_bg_gen_stats.append(dict(bg_gen_stat))
+ self.stop_background_traffic(self.background_machines)
+ i = 0
+ bg_rates =[]
+ while i < len(end_bg_gen_stats):
+ bg_rates.append(0.000001*(end_bg_gen_stats[i]['bg_dp_rx'] -
+ start_bg_gen_stats[i]['bg_dp_rx']) / ((end_bg_gen_stats[i]['bg_tsc'] -
+ start_bg_gen_stats[i]['bg_tsc']) * 1.0 / end_bg_gen_stats[i]['bg_hz']))
+ i += 1
+ if len(bg_rates):
+ iteration_data['avg_bg_rate'] = sum(bg_rates) / len(bg_rates)
+ RapidLog.debug('Average Background traffic rate: {:>7.3f} Mpps'.format(iteration_data['avg_bg_rate']))
+ else:
+ iteration_data['avg_bg_rate'] = None
#Stop generating
self.gen_machine.stop_gen_cores()
- r += 1
- lat_avg = old_div(lat_avg, float(tot_lat_measurement_duration))
- used_avg = old_div(used_avg, float(tot_lat_measurement_duration))
+ time.sleep(3.5)
+ self.gen_machine.stop_latency_cores()
+ iteration_data['r'] += 1
+ iteration_data['lat_avg'] = old_div(iteration_data['lat_avg'], float(tot_lat_measurement_duration))
+ iteration_data['lat_used'] = old_div(iteration_data['lat_used'], float(tot_lat_measurement_duration))
t4_tsc = t2_tsc
while t4_tsc == t2_tsc:
t4_rx, t4_non_dp_rx, t4_tx, t4_non_dp_tx, t4_drop, t4_tx_fail, t4_tsc, abs_tsc_hz = self.gen_machine.core_stats()
if self.test['test'] == 'fixed_rate':
- t4_lat_tsc = t2_lat_tsc
- while t4_lat_tsc == t2_lat_tsc:
- lat_min_sample, lat_max_sample, lat_avg_sample, used_sample, t4_lat_tsc, lat_hz, buckets = self.gen_machine.lat_stats()
+ iteration_data['lat_tsc'] = t2_lat_tsc
+ while iteration_data['lat_tsc'] == t2_lat_tsc:
+ iteration_data.update(self.gen_machine.lat_stats())
sample_count = 0
- lat_samples = sum(buckets)
- for percentile, bucket in enumerate(buckets,start=1):
+ for percentile, bucket in enumerate(iteration_data['buckets'],start=1):
sample_count += bucket
- if sample_count > lat_samples * LAT_PERCENTILE:
+ if sample_count > sum(iteration_data['buckets']) * LAT_PERCENTILE:
break
- percentile_max = (percentile == len(buckets))
- percentile = percentile * float(2 ** BUCKET_SIZE_EXP) / (old_div(float(lat_hz),float(10**6)))
- lat_max = lat_max_sample
- lat_avg = lat_avg_sample
+ iteration_data['lat_perc_max'] = (percentile == len(iteration_data['buckets']))
+ iteration_data['lat_perc'] = percentile * iteration_data['bucket_size']
delta_rx = t4_rx - t2_rx
delta_non_dp_rx = t4_non_dp_rx - t2_non_dp_rx
delta_tx = t4_tx - t2_tx
delta_non_dp_tx = t4_non_dp_tx - t2_non_dp_tx
delta_dp_tx = delta_tx -delta_non_dp_tx
delta_dp_rx = delta_rx -delta_non_dp_rx
- dp_tx = delta_dp_tx
- dp_rx = delta_dp_rx
- tot_dp_drop += delta_dp_tx - delta_dp_rx
- pps_req_tx = None
- pps_tx = None
- pps_sut_tx = None
- pps_rx = None
- drop_rate = 100.0*(dp_tx-dp_rx)/dp_tx
- tot_core_measurement_duration = None
+ iteration_data['abs_tx'] = delta_dp_tx
+ iteration_data['abs_rx'] = delta_dp_rx
+ iteration_data['abs_dropped'] += delta_dp_tx - delta_dp_rx
+ iteration_data['pps_req_tx'] = None
+ iteration_data['pps_tx'] = None
+ iteration_data['pps_sut_tx'] = None
+ iteration_data['drop_rate'] = 100.0*(iteration_data['abs_tx']-iteration_data['abs_rx'])/iteration_data['abs_tx']
+ iteration_data['actual_duration'] = None
break ## Not really needed since the while loop will stop when evaluating the value of r
else:
sample_count = 0
- for percentile, bucket in enumerate(buckets_total,start=1):
+ for percentile, bucket in enumerate(iteration_data['buckets'],start=1):
sample_count += bucket
- if sample_count > tot_lat_samples * LAT_PERCENTILE:
+ if sample_count > sum(iteration_data['buckets']) * LAT_PERCENTILE:
break
- percentile_max = (percentile == len(buckets_total))
- percentile = percentile * float(2 ** BUCKET_SIZE_EXP) / (old_div(float(lat_hz),float(10**6)))
- pps_req_tx = (tot_tx + tot_drop - tot_rx)/tot_core_measurement_duration/1000000.0 # tot_drop is all packets dropped by all tasks. This includes packets dropped at the generator task + packets dropped by the nop task. In steady state, this equals to the number of packets received by this VM
- pps_tx = tot_tx/tot_core_measurement_duration/1000000.0 # tot_tx is all generated packets actually accepted by the interface
- pps_rx = tot_rx/tot_core_measurement_duration/1000000.0 # tot_rx is all packets received by the nop task = all packets received in the gen VM
+ iteration_data['lat_perc_max'] = (percentile == len(iteration_data['buckets']))
+ iteration_data['lat_perc'] = percentile * iteration_data['bucket_size']
+ iteration_data['pps_req_tx'] = (tot_tx + tot_drop - tot_rx)/iteration_data['actual_duration']/1000000.0 # tot_drop is all packets dropped by all tasks. This includes packets dropped at the generator task + packets dropped by the nop task. In steady state, this equals to the number of packets received by this VM
+ iteration_data['pps_tx'] = tot_tx/iteration_data['actual_duration']/1000000.0 # tot_tx is all generated packets actually accepted by the interface
+ iteration_data['pps_rx'] = tot_rx/iteration_data['actual_duration']/1000000.0 # tot_rx is all packets received by the nop task = all packets received in the gen VM
if self.sut_machine != None and sut_avail:
- pps_sut_tx = tot_sut_tx / tot_sut_core_measurement_duration / 1000000.0
+ iteration_data['pps_sut_tx'] = tot_sut_tx / tot_sut_core_measurement_duration / 1000000.0
else:
- pps_sut_tx = None
- dp_tx = (t4_tx - t1_tx) - (t4_non_dp_tx - t1_non_dp_tx)
- dp_rx = (t4_rx - t1_rx) - (t4_non_dp_rx - t1_non_dp_rx)
- tot_dp_drop = dp_tx - dp_rx
- drop_rate = 100.0*tot_dp_drop/dp_tx
- if ((drop_rate < self.test['drop_rate_threshold']) or (tot_dp_drop == self.test['drop_rate_threshold'] ==0) or (tot_dp_drop > self.test['maxz'])):
+ iteration_data['pps_sut_tx'] = None
+ iteration_data['abs_tx'] = (t4_tx - t1_tx) - (t4_non_dp_tx - t1_non_dp_tx)
+ iteration_data['abs_rx'] = (t4_rx - t1_rx) - (t4_non_dp_rx - t1_non_dp_rx)
+ iteration_data['abs_dropped'] = iteration_data['abs_tx'] - iteration_data['abs_rx']
+ iteration_data['drop_rate'] = 100.0*iteration_data['abs_dropped']/iteration_data['abs_tx']
+ if ((iteration_data['drop_rate'] < self.test['drop_rate_threshold']) or (iteration_data['abs_dropped'] == self.test['drop_rate_threshold'] ==0) or (iteration_data['abs_dropped'] > self.test['maxz'])):
break
- return(pps_req_tx,pps_tx,pps_sut_tx,pps_rx,lat_avg,percentile,percentile_max,lat_max,dp_tx,dp_rx,tot_dp_drop,(t4_tx_fail - t1_tx_fail),drop_rate,lat_min,used_avg,r,tot_core_measurement_duration)
+ self.gen_machine.stop_latency_cores()
+ iteration_data['abs_tx_fail'] = t4_tx_fail - t1_tx_fail
+ return (iteration_data)
Code Review / samplevnf.git / blobdiff