X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Ftools%2Ftrex%2Ftrex_stateless_profile.py;h=aa68a014b804f9a853a2fd9c903b7c80d212966b;hp=e1e56d9ffe5578587fbfb50fea16bbde18dd5e87;hb=ac259ea21d8663dbdaea21589bace5f5f8ea94c7;hpb=35175924550d67f98fb1c2c50b0634656d29169e diff --git a/resources/tools/trex/trex_stateless_profile.py b/resources/tools/trex/trex_stateless_profile.py index e1e56d9ffe..aa68a014b8 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: @@ -58,8 +58,8 @@ def fmt_latency(lat_min, lat_avg, lat_max): def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, - port_1, latency, async_start=False): - """Send the traffic and measure packet loss and latency. + port_1, latency, async_start=False, unidirection=False): + """Send traffic and measure packet loss and latency. Procedure: - reads the given traffic profile with streams, @@ -85,6 +85,7 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, :param port_1: Port 1 on the traffic generator. :param latency: With latency stats. :param async_start: Start the traffic and exit. + :param unidirection: Traffic is unidirectional. :type profile_file: str :type framesize: int or str :type duration: float @@ -92,8 +93,9 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, :type warmup_time: float :type port_0: int :type port_1: int - :type latency: boo; + :type latency: bool :type async_start: bool + :type unidirection: bool """ client = None @@ -128,33 +130,37 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, 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(): @@ -167,11 +173,15 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, 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() @@ -179,11 +189,11 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, 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(): @@ -196,24 +206,33 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, 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)) @@ -226,11 +245,15 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, else: if client: client.disconnect() - print("rate={0}, totalReceived={1}, totalSent={2}, " + if isinstance(rate, unicode): + rate = rate.encode("utf-8") + if isinstance(duration, unicode): + duration = duration.encode("utf-8") + print("rate={0!r}, totalReceived={1}, totalSent={2}, " "frameLoss={3}, latencyStream0(usec)={4}, " - "latencyStream1(usec)={5}". + "latencyStream1(usec)={5}, targetDuration={d!r}". format(rate, total_rcvd, total_sent, lost_a + lost_b, - lat_a, lat_b)) + lat_a, lat_b, d=duration)) def main(): @@ -274,7 +297,12 @@ def main(): parser.add_argument("--latency", action="store_true", default=False, - help="Add latency stream") + help="Add latency stream.") + parser.add_argument("--unidirection", + action="store_true", + default=False, + help="Send unidirection traffic.") + args = parser.parse_args() try: @@ -290,7 +318,8 @@ def main(): port_0=args.port_0, port_1=args.port_1, latency=args.latency, - async_start=args.async) + async_start=args.async, + unidirection=args.unidirection) if __name__ == '__main__':