X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Ftools%2Ftrex%2Ftrex_stateless_profile.py;h=15e21570574316923ea5354f70e4ca4a982115de;hb=refs%2Fchanges%2F01%2F20001%2F3;hp=c792f3eb48a8a0252d1466ed88d0ca1bb5159f1a;hpb=45393e98c3162faaa2fdc86ef471798a8e4bb5f2;p=csit.git diff --git a/resources/tools/trex/trex_stateless_profile.py b/resources/tools/trex/trex_stateless_profile.py index c792f3eb48..15e2157057 100755 --- a/resources/tools/trex/trex_stateless_profile.py +++ b/resources/tools/trex/trex_stateless_profile.py @@ -1,6 +1,6 @@ -#!/usr/bin/python +#!/usr/bin/python3 -# 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: @@ -22,10 +22,9 @@ import sys import argparse import json -sys.path.insert(0, "/opt/trex-core-2.35/scripts/automation/" - "trex_control_plane/stl/") - -from trex_stl_lib.api import * +sys.path.insert(0, "/opt/trex-core-2.54/scripts/automation/" + "trex_control_plane/interactive/") +from trex.stl.api import * def fmt_latency(lat_min, lat_avg, lat_max): @@ -40,7 +39,6 @@ def fmt_latency(lat_min, lat_avg, lat_max): :return: Formatted and rounded output "min/avg/max" :rtype: string """ - try: t_min = int(round(float(lat_min))) except ValueError: @@ -58,8 +56,8 @@ 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, @@ -85,17 +83,18 @@ 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: int + :type duration: float :type rate: str - :type warmup_time: int + :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 total_rcvd = 0 total_sent = 0 @@ -116,7 +115,7 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, try: # Create the client: - client = STLClient(verbose_level=LoggerApi.VERBOSE_QUIET) + client = STLClient() # Connect to server: client.connect() # Prepare our ports (the machine has 0 <--> 1 with static route): @@ -124,37 +123,40 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, 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) + client.set_port_attr(ports=[port_0, port_1], promiscuous=True) 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(): @@ -164,14 +166,17 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, stats = client.get_stats() print("##### Warmup statistics #####") - print(json.dumps(stats, indent=4, separators=(',', ': '), - sort_keys=True)) + print(json.dumps(stats, indent=4, separators=(',', ': '))) - 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 +184,11 @@ 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(): @@ -193,30 +198,38 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, stats = client.get_stats() print("##### Statistics #####") - print(json.dumps(stats, indent=4, separators=(',', ': '), - sort_keys=True)) + print(json.dumps(stats, indent=4, separators=(',', ': '))) - 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)) - - except STLError as err: - sys.stderr.write("{0}\n".format(err)) + 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 ex_error: + print(ex_error, file=sys.stderr) sys.exit(1) finally: @@ -226,11 +239,11 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, else: if client: client.disconnect() - print("rate={0}, totalReceived={1}, totalSent={2}, " + 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(): @@ -239,7 +252,6 @@ def main(): It verifies the given command line arguments and runs "simple_burst" function. """ - parser = argparse.ArgumentParser() parser.add_argument("-p", "--profile", required=True, @@ -247,7 +259,7 @@ def main(): help="Python traffic profile.") parser.add_argument("-d", "--duration", required=True, - type=int, + type=float, help="Duration of traffic run.") parser.add_argument("-s", "--frame_size", required=True, @@ -256,8 +268,8 @@ def main(): required=True, help="Traffic rate with included units (%, pps).") parser.add_argument("-w", "--warmup_time", - type=int, - default=5, + type=float, + default=5.0, help="Traffic warm-up time in seconds, 0 = disable.") parser.add_argument("--port_0", required=True, @@ -274,7 +286,12 @@ 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: @@ -283,14 +300,15 @@ def main(): framesize = args.frame_size simple_burst(profile_file=args.profile, - duration=int(args.duration), + duration=args.duration, framesize=framesize, rate=args.rate, - warmup_time=int(args.warmup_time), - port_0=int(args.port_0), - port_1=int(args.port_1), + warmup_time=args.warmup_time, + 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__':