X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Ftools%2Ftrex%2Ftrex_stateless_profile.py;h=15a02259117fb122ce562f4a0f2016d54ebcfaf9;hb=bab0b570345ceb6ffeaec9e47a50e62d7303387e;hp=a3072cfaedf9703658e24700396d640b7bf4a8a6;hpb=448ccab441d0905fd4b1a0bed19b3bd3f4859a2e;p=csit.git diff --git a/resources/tools/trex/trex_stateless_profile.py b/resources/tools/trex/trex_stateless_profile.py index a3072cfaed..15a0225911 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: @@ -18,14 +18,13 @@ the profile and sends the traffic. At the end, it measures the packet loss and latency. """ -import sys import argparse import json +import sys -sys.path.insert(0, "/opt/trex-core-2.29/scripts/automation/" - "trex_control_plane/stl/") - -from trex_stl_lib.api import * +sys.path.insert(0, "/opt/trex-core-2.61/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, traffic_directions=2): + """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 traffic_directions: Bidirectional (2) or unidirectional (1) traffic. :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 traffic_directions: int """ - client = None total_rcvd = 0 total_sent = 0 @@ -109,16 +108,14 @@ def simple_burst(profile_file, duration, framesize, rate, warmup_time, port_0, print("### Profile file:\n{}".format(profile_file)) profile = STLProfile.load(profile_file, direction=0, port_id=0, framesize=framesize) - print("\n### Profiles ###\n") - print(profile.dump_to_yaml()) streams = profile.get_streams() - except STLError: - print("Error while loading profile '{0}'\n".format(profile_file)) + 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) + client = STLClient() # Connect to server: client.connect() # Prepare our ports (the machine has 0 <--> 1 with static route): @@ -126,37 +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 traffic_directions > 1: + 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 traffic_directions > 1: + 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 traffic_directions > 1: + 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 traffic_directions > 1: + 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(): @@ -166,14 +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 traffic_directions > 1: + 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 traffic_directions > 1: + 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() @@ -181,11 +184,18 @@ 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: + if async_start: + # For async stop, we need to export the current snapshot. + xsnap0 = client.ports[0].get_xstats().reference_stats + print("Xstats snapshot 0: {s!r}".format(s=xsnap0)) + if traffic_directions > 1: + xsnap1 = client.ports[1].get_xstats().reference_stats + print("Xstats snapshot 1: {s!r}".format(s=xsnap1)) + else: # 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(): @@ -195,30 +205,40 @@ 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 traffic_directions > 1: + lost_b = stats[port_1]["opackets"] - stats[port_0]["ipackets"] + # Stats index is not a port number, but "pgid". + # TODO: Find out what "pgid" means. 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)) + if traffic_directions > 1: + lat_b = fmt_latency( + str(stats["latency"][1]["latency"]["total_min"]), + str(stats["latency"][1]["latency"]["average"]), + str(stats["latency"][1]["latency"]["total_max"])) + + if traffic_directions > 1: + 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 traffic_directions > 1: + 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: @@ -228,11 +248,11 @@ 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(): @@ -241,7 +261,6 @@ def main(): It verifies the given command line arguments and runs "simple_burst" function. """ - parser = argparse.ArgumentParser() parser.add_argument("-p", "--profile", required=True, @@ -249,7 +268,7 @@ 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, @@ -258,8 +277,8 @@ 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, @@ -269,14 +288,19 @@ def main(): required=True, type=int, help="Port 1 on the traffic generator.") - parser.add_argument("--async", + parser.add_argument("--async_start", action="store_true", default=False, help="Non-blocking call of the script.") parser.add_argument("--latency", action="store_true", default=False, - help="Add latency stream") + help="Add latency stream.") + parser.add_argument("--traffic_directions", + type=int, + default=2, + help="Send bi- (2) or uni- (1) directional traffic.") + args = parser.parse_args() try: @@ -285,14 +309,15 @@ 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_start, + traffic_directions=args.traffic_directions) if __name__ == '__main__':