#!/usr/bin/python3
-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2020 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:
client = None
total_rcvd = 0
total_sent = 0
+ approximated_duration = 0
+ approximated_rate = 0
lost_a = 0
lost_b = 0
lat_a = u"-1/-1/-1/"
client.clear_stats()
# Choose rate and start traffic:
- time_start = time.time()
client.start(ports=ports, mult=rate, duration=warmup_time,
force=force)
# Block until done:
+ time_start = time.monotonic()
client.wait_on_traffic(ports=ports, timeout=warmup_time+30)
- time_stop = time.time()
- print(f"Warmup traffic took {time_stop - time_start} seconds.")
+ time_stop = time.monotonic()
+ approximated_duration = time_stop - time_start
if client.get_warnings():
for warning in client.get_warnings():
lost_b = 0
# Choose rate and start traffic:
- client.start(ports=ports, mult=rate, duration=duration, force=force)
- time_start = time.time()
+ client.start(ports=ports, mult=rate, duration=duration)
if async_start:
# For async stop, we need to export the current snapshot.
print(f"Xstats snapshot 1: {xsnap1!r}")
else:
# Block until done:
+ time_start = time.monotonic()
client.wait_on_traffic(ports=ports, timeout=duration+30)
- time_stop = time.time()
- print(f"Main traffic took {time_stop - time_start} seconds.")
+ time_stop = time.monotonic()
+ approximated_duration = time_stop - time_start
if client.get_warnings():
for warning in client.get_warnings():
lost_b = stats[port_1][u"opackets"] - stats[port_0][u"ipackets"]
# Stats index is not a port number, but "pgid".
- # TODO: Find out what "pgid" means.
if latency:
lat_obj = stats[u"latency"][0][u"latency"]
lat_a = fmt_latency(
else:
total_sent = stats[port_0][u"opackets"]
total_rcvd = stats[port_1][u"ipackets"]
+ try:
+ approximated_rate = total_sent / approximated_duration
+ except ZeroDivisionError:
+ pass
print(f"\npackets lost from {port_0} --> {port_1}: {lost_a} pkts")
if traffic_directions > 1:
print(
f"rate={rate!r}, totalReceived={total_rcvd}, "
f"totalSent={total_sent}, frameLoss={lost_a + lost_b}, "
+ f"targetDuration={duration!r}, "
+ f"approximatedDuration={approximated_duration!r}, "
+ f"approximatedRate={approximated_rate}, "
f"latencyStream0(usec)={lat_a}, latencyStream1(usec)={lat_b}, "
- f"targetDuration={duration!r}"
)