diff options
Diffstat (limited to 'yardstick/network_services/traffic_profile/rfc2544.py')
| -rw-r--r-- | yardstick/network_services/traffic_profile/rfc2544.py | 91 |
1 files changed, 65 insertions, 26 deletions
diff --git a/yardstick/network_services/traffic_profile/rfc2544.py b/yardstick/network_services/traffic_profile/rfc2544.py index e33c437c9..aaa491b75 100644 --- a/yardstick/network_services/traffic_profile/rfc2544.py +++ b/yardstick/network_services/traffic_profile/rfc2544.py @@ -23,7 +23,7 @@ from yardstick.common import constants from yardstick.network_services.traffic_profile import trex_traffic_profile -LOGGING = logging.getLogger(__name__) +LOG = logging.getLogger(__name__) SRC_PORT = 'sport' DST_PORT = 'dport' @@ -72,14 +72,16 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): """TRex RFC2544 traffic profile""" TOLERANCE_LIMIT = 0.01 + STATUS_SUCCESS = "Success" + STATUS_FAIL = "Failure" def __init__(self, traffic_generator): super(RFC2544Profile, self).__init__(traffic_generator) self.generator = None + self.iteration = 0 self.rate = self.config.frame_rate self.max_rate = self.config.frame_rate self.min_rate = 0 - self.drop_percent_max = 0 def register_generator(self, generator): self.generator = generator @@ -126,6 +128,7 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): self.generator.client.start(ports=ports, duration=self.config.duration, force=True) + self.iteration = self.generator.rfc2544_helper.iteration.value return ports, port_pg_id def _create_profile(self, profile_data, rate, port_pg_id, enable_latency): @@ -142,7 +145,7 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): return trex_stl_streams.STLProfile(streams) def _create_imix_data(self, imix, - weight_mode=constants.DISTRIBUTION_IN_PACKETS): + weight_mode=constants.DISTRIBUTION_IN_BYTES): """Generate the IMIX distribution for a STL profile The input information is the framesize dictionary in a test case @@ -192,13 +195,13 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): imix_dip = {size: float(weight) / weight_normalize for size, weight in imix_count.items()} - if weight_mode == constants.DISTRIBUTION_IN_BYTES: + if weight_mode == constants.DISTRIBUTION_IN_PACKETS: return imix_dip byte_total = sum([int(size) * weight - for size, weight in imix_dip.items()]) - return {size: (int(size) * weight * 100) / byte_total - for size, weight in imix_dip.items()} + for size, weight in imix_count.items()]) + return {size: float(int(size) * weight * 100) / byte_total + for size, weight in imix_count.items()} def _create_vm(self, packet_definition): """Create the STL Raw instructions""" @@ -271,17 +274,24 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): return streams def get_drop_percentage(self, samples, tol_low, tol_high, - correlated_traffic): + correlated_traffic, resolution): # pylint: disable=unused-argument """Calculate the drop percentage and run the traffic""" completed = False + status = self.STATUS_FAIL out_pkt_end = sum(port['out_packets'] for port in samples[-1].values()) in_pkt_end = sum(port['in_packets'] for port in samples[-1].values()) out_pkt_ini = sum(port['out_packets'] for port in samples[0].values()) in_pkt_ini = sum(port['in_packets'] for port in samples[0].values()) + in_bytes_ini = sum(port['in_bytes'] for port in samples[0].values()) + out_bytes_ini = sum(port['out_bytes'] for port in samples[0].values()) + in_bytes_end = sum(port['in_bytes'] for port in samples[-1].values()) + out_bytes_end = sum(port['out_bytes'] for port in samples[-1].values()) time_diff = (list(samples[-1].values())[0]['timestamp'] - list(samples[0].values())[0]['timestamp']).total_seconds() out_packets = out_pkt_end - out_pkt_ini in_packets = in_pkt_end - in_pkt_ini + out_bytes = out_bytes_end - out_bytes_ini + in_bytes = in_bytes_end - in_bytes_ini tx_rate_fps = float(out_packets) / time_diff rx_rate_fps = float(in_packets) / time_diff drop_percent = 100.0 @@ -298,26 +308,55 @@ class RFC2544Profile(trex_traffic_profile.TrexProfile): elif drop_percent < tol_low: self.min_rate = self.rate else: + status = self.STATUS_SUCCESS completed = True last_rate = self.rate - self.rate = round(float(self.max_rate + self.min_rate) / 2.0, 5) - - throughput = rx_rate_fps * 2 if correlated_traffic else rx_rate_fps - - if drop_percent > self.drop_percent_max: - self.drop_percent_max = drop_percent - - latency = {port_num: value['latency'] - for port_num, value in samples[-1].items()} + self.rate = self._get_next_rate() + if abs(last_rate - self.rate) < resolution: + # stop test if the difference between the rate transmission + # in two iterations is smaller than the value of the resolution + completed = True + LOG.debug("rate=%s, next_rate=%s, resolution=%s, completed=%s", + last_rate, self.rate, resolution, completed) + + ports = samples[-1].keys() + num_ports = len(ports) + + output = {} + for port in ports: + output[port] = {} + first = samples[0][port] + last = samples[-1][port] + output[port]['InPackets'] = last['in_packets'] - first['in_packets'] + output[port]['OutPackets'] = last['out_packets'] - first['out_packets'] + output[port]['InBytes'] = last['in_bytes'] - first['in_bytes'] + output[port]['OutBytes'] = last['out_bytes'] - first['out_bytes'] + if self.config.enable_latency: + output[port]['LatencyAvg'] = float(sum( + [last['latency'][id]['average'] for id in + last['latency']]) * 1000) / len(last['latency']) + output[port]['LatencyMin'] = min( + [last['latency'][id]['total_min'] for id in + last['latency']]) * 1000 + output[port]['LatencyMax'] = max( + [last['latency'][id]['total_max'] for id in + last['latency']]) * 1000 + + output['TxThroughput'] = tx_rate_fps + output['RxThroughput'] = rx_rate_fps + output['RxThroughputBps'] = round(float(in_bytes) / time_diff, 3) + output['TxThroughputBps'] = round(float(out_bytes) / time_diff, 3) + output['DropPercentage'] = drop_percent + output['Rate'] = last_rate + output['PktSize'] = self._get_framesize() + output['Iteration'] = self.iteration + output['Status'] = status + + if self.config.enable_latency: + output['LatencyAvg'] = float( + sum([output[port]['LatencyAvg'] for port in ports])) / num_ports + output['LatencyMin'] = min([output[port]['LatencyMin'] for port in ports]) + output['LatencyMax'] = max([output[port]['LatencyMax'] for port in ports]) - output = { - 'TxThroughput': tx_rate_fps, - 'RxThroughput': rx_rate_fps, - 'CurrentDropPercentage': drop_percent, - 'Throughput': throughput, - 'DropPercentage': self.drop_percent_max, - 'Rate': last_rate, - 'Latency': latency - } return completed, output |