diff options
Diffstat (limited to 'resources/tools/trex')
| -rwxr-xr-x | resources/tools/trex/trex_stateless_profile.py | 267 |
1 files changed, 46 insertions, 221 deletions
diff --git a/resources/tools/trex/trex_stateless_profile.py b/resources/tools/trex/trex_stateless_profile.py index de29ff505a..61b244e21a 100755 --- a/resources/tools/trex/trex_stateless_profile.py +++ b/resources/tools/trex/trex_stateless_profile.py @@ -1,6 +1,6 @@ #!/usr/bin/python -# Copyright (c) 2017 Cisco and/or its affiliates. +# Copyright (c) 2019 Cisco and/or its affiliates. # 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: @@ -98,43 +98,6 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, :type unidirection: bool """ - #unidirection traffic - if unidirection: - send_traffic_unidirection(profile_file, duration, framesize, rate, - warmup_time, port_0, port_1, latency, - async_start) - #bidirection traffic - else: - send_traffic_bidirection(profile_file, duration, framesize, rate, - warmup_time, port_0, port_1, latency, - async_start) - - -def send_traffic_bidirection(profile_file, duration, framesize, rate, - warmup_time, port_0, port_1, latency, - async_start=False): - """Send traffic bidirection and measure packet loss and latency. - - :param profile_file: A python module with T-rex traffic profile. - :param framesize: Frame size. - :param duration: Duration of traffic run in seconds (-1=infinite). - :param rate: Traffic rate [percentage, pps, bps]. - :param warmup_time: Traffic warm-up time in seconds, 0 = disable. - :param port_0: Port 0 on the traffic generator. - :param port_1: Port 1 on the traffic generator. - :param latency: With latency stats. - :param async_start: Start the traffic and exit. - :type profile_file: str - :type framesize: int or str - :type duration: float - :type rate: str - :type warmup_time: float - :type port_0: int - :type port_1: int - :type latency: bool - :type async_start: bool - """ - client = None total_rcvd = 0 total_sent = 0 @@ -167,33 +130,37 @@ def send_traffic_bidirection(profile_file, duration, framesize, rate, resolve=False) if isinstance(framesize, int): client.add_streams(streams[0], ports=[port_0]) - client.add_streams(streams[1], ports=[port_1]) + if not unidirection: + client.add_streams(streams[1], ports=[port_1]) elif isinstance(framesize, str): client.add_streams(streams[0:3], ports=[port_0]) - client.add_streams(streams[3:6], ports=[port_1]) + if not unidirection: + client.add_streams(streams[3:6], ports=[port_1]) if latency: try: if isinstance(framesize, int): client.add_streams(streams[2], ports=[port_0]) - client.add_streams(streams[3], ports=[port_1]) + if not unidirection: + client.add_streams(streams[3], ports=[port_1]) elif isinstance(framesize, str): latency = False except STLError: # Disable latency if NIC does not support requested stream type print("##### FAILED to add latency streams #####") latency = False + ports = [port_0] + if not unidirection: + ports.append(port_1) # Warm-up phase: if warmup_time > 0: # Clear the stats before injecting: client.clear_stats() # Choose rate and start traffic: - client.start(ports=[port_0, port_1], mult=rate, - duration=warmup_time) + client.start(ports=ports, mult=rate, duration=warmup_time) # Block until done: - client.wait_on_traffic(ports=[port_0, port_1], - timeout=warmup_time+30) + client.wait_on_traffic(ports=ports, timeout=warmup_time+30) if client.get_warnings(): for warning in client.get_warnings(): @@ -206,11 +173,15 @@ def send_traffic_bidirection(profile_file, duration, framesize, rate, print(json.dumps(stats, indent=4, separators=(',', ': '), sort_keys=True)) - lost_a = stats[0]["opackets"] - stats[1]["ipackets"] - lost_b = stats[1]["opackets"] - stats[0]["ipackets"] + lost_a = stats[port_0]["opackets"] - stats[port_1]["ipackets"] + if not unidirection: + lost_b = stats[port_1]["opackets"] - stats[port_0]["ipackets"] - print("\npackets lost from 0 --> 1: {0} pkts".format(lost_a)) - print("packets lost from 1 --> 0: {0} pkts".format(lost_b)) + print("\npackets lost from {p_0} --> {p_1}: {v} pkts".format( + p_0=port_0, p_1=port_1, v=lost_a)) + if not unidirection: + print("packets lost from {p_1} --> {p_0}: {v} pkts".format( + p_0=port_0, p_1=port_1, v=lost_b)) # Clear the stats before injecting: client.clear_stats() @@ -218,11 +189,11 @@ def send_traffic_bidirection(profile_file, duration, framesize, rate, lost_b = 0 # Choose rate and start traffic: - client.start(ports=[port_0, port_1], mult=rate, duration=duration) + client.start(ports=ports, mult=rate, duration=duration) if not async_start: # Block until done: - client.wait_on_traffic(ports=[port_0, port_1], timeout=duration+30) + client.wait_on_traffic(ports=ports, timeout=duration+30) if client.get_warnings(): for warning in client.get_warnings(): @@ -235,24 +206,33 @@ def send_traffic_bidirection(profile_file, duration, framesize, rate, print(json.dumps(stats, indent=4, separators=(',', ': '), sort_keys=True)) - lost_a = stats[0]["opackets"] - stats[1]["ipackets"] - lost_b = stats[1]["opackets"] - stats[0]["ipackets"] + lost_a = stats[port_0]["opackets"] - stats[port_1]["ipackets"] + if not unidirection: + lost_b = stats[port_1]["opackets"] - stats[port_0]["ipackets"] if latency: lat_a = fmt_latency( - str(stats["latency"][0]["latency"]["total_min"]), - str(stats["latency"][0]["latency"]["average"]), - str(stats["latency"][0]["latency"]["total_max"])) - lat_b = fmt_latency( - str(stats["latency"][1]["latency"]["total_min"]), - str(stats["latency"][1]["latency"]["average"]), - str(stats["latency"][1]["latency"]["total_max"])) - - total_sent = stats[0]["opackets"] + stats[1]["opackets"] - total_rcvd = stats[0]["ipackets"] + stats[1]["ipackets"] - - print("\npackets lost from 0 --> 1: {0} pkts".format(lost_a)) - print("packets lost from 1 --> 0: {0} pkts".format(lost_b)) + str(stats["latency"][port_0]["latency"]["total_min"]), + str(stats["latency"][port_0]["latency"]["average"]), + str(stats["latency"][port_0]["latency"]["total_max"])) + if not unidirection: + lat_b = fmt_latency( + str(stats["latency"][port_1]["latency"]["total_min"]), + str(stats["latency"][port_1]["latency"]["average"]), + str(stats["latency"][port_1]["latency"]["total_max"])) + + if not unidirection: + total_sent = stats[0]["opackets"] + stats[1]["opackets"] + total_rcvd = stats[0]["ipackets"] + stats[1]["ipackets"] + else: + total_sent = stats[port_0]["opackets"] + total_rcvd = stats[port_1]["ipackets"] + + print("\npackets lost from {p_0} --> {p_1}: {v} pkts".format( + p_0=port_0, p_1=port_1, v=lost_a)) + if not unidirection: + print("packets lost from {p_1} --> {p_0}: {v} pkts".format( + p_0=port_0, p_1=port_1, v=lost_b)) except STLError as err: sys.stderr.write("{0}\n".format(err)) @@ -272,161 +252,6 @@ def send_traffic_bidirection(profile_file, duration, framesize, rate, lat_a, lat_b)) -def send_traffic_unidirection(profile_file, duration, framesize, rate, - warmup_time, port_0, port_1, latency, - async_start=False): - """Send traffic unidirection and measure packet loss and latency. - - :param profile_file: A python module with T-rex traffic profile. - :param framesize: Frame size. - :param duration: Duration of traffic run in seconds (-1=infinite). - :param rate: Traffic rate [percentage, pps, bps]. - :param warmup_time: Traffic warm-up time in seconds, 0 = disable. - :param port_0: Port 0 on the traffic generator. - :param port_1: Port 1 on the traffic generator. - :param latency: With latency stats. - :param async_start: Start the traffic and exit. - :type profile_file: str - :type framesize: int or str - :type duration: float - :type rate: str - :type warmup_time: float - :type port_0: int - :type port_1: int - :type latency: bool - :type async_start: bool - """ - - client = None - total_rcvd = 0 - total_sent = 0 - lost_a = 0 - lat_a = "-1/-1/-1" - - # Read the profile: - try: - print("### Profile file:\n{}".format(profile_file)) - profile = STLProfile.load(profile_file, direction=0, port_id=0, - framesize=framesize) - streams = profile.get_streams() - except STLError as err: - print("Error while loading profile '{0}' {1}".format(profile_file, err)) - sys.exit(1) - - try: - # Create the client: - client = STLClient(verbose_level=LoggerApi.VERBOSE_QUIET) - # Connect to server: - client.connect() - # Prepare our ports: - if port_0 == port_1: - client.reset(ports=[port_0]) - client.remove_all_streams(ports=[port_0]) - - if "macsrc" in profile_file: - client.set_port_attr(ports=[port_0], promiscuous=True, - resolve=False) - else: - client.reset(ports=[port_0, port_1]) - client.remove_all_streams(ports=[port_0, port_1]) - - if "macsrc" in profile_file: - client.set_port_attr(ports=[port_0, port_1], promiscuous=True, - resolve=False) - - if isinstance(framesize, int): - client.add_streams(streams[0], ports=[port_0]) - elif isinstance(framesize, str): - client.add_streams(streams[0:3], ports=[port_0]) - if latency: - try: - if isinstance(framesize, int): - client.add_streams(streams[2], ports=[port_0]) - elif isinstance(framesize, str): - latency = False - except STLError: - # Disable latency if NIC does not support requested stream type - print("##### FAILED to add latency streams #####") - latency = False - - # Warm-up phase: - if warmup_time > 0: - # Clear the stats before injecting: - client.clear_stats() - - # Choose rate and start traffic: - client.start(ports=[port_0], mult=rate, - duration=warmup_time) - - # Block until done: - client.wait_on_traffic(ports=[port_0], - timeout=warmup_time+30) - - if client.get_warnings(): - for warning in client.get_warnings(): - print(warning) - - # Read the stats after the test: - stats = client.get_stats() - - print("##### Warmup statistics #####") - print(json.dumps(stats, indent=4, separators=(',', ': '), - sort_keys=True)) - - lost_a = stats[port_0]["opackets"] - stats[port_1]["ipackets"] - print("\npackets lost : {0} pkts".format(lost_a)) - - # Clear the stats before injecting: - client.clear_stats() - lost_a = 0 - - # Choose rate and start traffic: - client.start(ports=[port_0], mult=rate, duration=duration) - - if not async_start: - # Block until done: - client.wait_on_traffic(ports=[port_0], timeout=duration+30) - - if client.get_warnings(): - for warning in client.get_warnings(): - print(warning) - - # Read the stats after the test - stats = client.get_stats() - - print("##### Statistics #####") - print(json.dumps(stats, indent=4, separators=(',', ': '), - sort_keys=True)) - - lost_a = stats[port_0]["opackets"] - stats[port_1]["ipackets"] - - if latency: - lat_a = fmt_latency( - str(stats["latency"][0]["latency"]["total_min"]), - str(stats["latency"][0]["latency"]["average"]), - str(stats["latency"][0]["latency"]["total_max"])) - - total_sent = stats[port_0]["opackets"] - total_rcvd = stats[port_1]["ipackets"] - - print("\npackets lost : {0} pkts".format(lost_a)) - - except STLError as err: - sys.stderr.write("{0}\n".format(err)) - sys.exit(1) - - finally: - if async_start: - if client: - client.disconnect(stop_traffic=False, release_ports=True) - else: - if client: - client.disconnect() - print("rate={0}, totalReceived={1}, totalSent={2}, " - "frameLoss={3}, latencyStream0(usec)={4}". - format(rate, total_rcvd, total_sent, lost_a, lat_a)) - - def main(): """Main function for the traffic generator using T-rex. |