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passt/test/perf/passt_udp
Stefano Brivio ca2749e1bd passt: Relicense to GPL 2.0, or any later version 
In practical terms, passt doesn't benefit from the additional
protection offered by the AGPL over the GPL, because it's not
suitable to be executed over a computer network.

Further, restricting the distribution under the version 3 of the GPL
wouldn't provide any practical advantage either, as long as the passt
codebase is concerned, and might cause unnecessary compatibility
dilemmas.

Change licensing terms to the GNU General Public License Version 2,
or any later version, with written permission from all current and
past contributors, namely: myself, David Gibson, Laine Stump, Andrea
Bolognani, Paul Holzinger, Richard W.M. Jones, Chris Kuhn, Florian
Weimer, Giuseppe Scrivano, Stefan Hajnoczi, and Vasiliy Ulyanov.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2023-04-06 18:00:33 +02:00

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# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/perf/passt_udp - Check UDP performance in passt mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
gtools /sbin/sysctl ip jq nproc sleep iperf3 udp_rr # From neper
nstools ip jq sleep iperf3 udp_rr
htools bc head sed
test passt: throughput and latency
guest /sbin/sysctl -w net.core.rmem_max=16777216
guest /sbin/sysctl -w net.core.wmem_max=16777216
guest /sbin/sysctl -w net.core.rmem_default=16777216
guest /sbin/sysctl -w net.core.wmem_default=16777216
gout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
gout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
hout FREQ_PROCFS (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
hout FREQ_CPUFREQ (echo "scale=1"; printf '( %i + 10^5 / 2 ) / 10^6\n' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
set THREADS 4
set STREAMS 1
set TIME 10
set OPTS -u -P __STREAMS__ --pacing-timer 1000
info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz, one stream each
report passt udp __THREADS__ __FREQ__
th MTU 256B 576B 1280B 1500B 9000B 65520B
tr UDP throughput over IPv6: guest to host
bw -
bw -
guest ip link set dev __IFNAME__ mtu 1280
iperf3 BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 2G
bw __BW__ 0.8 1.2
guest ip link set dev __IFNAME__ mtu 1500
iperf3 BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 1.0 1.5
guest ip link set dev __IFNAME__ mtu 9000
iperf3 BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 5G
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3 BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 7G
bw __BW__ 4.0 5.0
tl UDP RR latency over IPv6: guest to host
lat -
lat -
lat -
lat -
lat -
nsb udp_rr --nolog -6
gout LAT udp_rr --nolog -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tr UDP throughput over IPv4: guest to host
guest ip link set dev __IFNAME__ mtu 256
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 500M
bw __BW__ 0.0 0.0
guest ip link set dev __IFNAME__ mtu 576
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 1G
bw __BW__ 0.4 0.6
guest ip link set dev __IFNAME__ mtu 1280
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 2G
bw __BW__ 0.8 1.2
guest ip link set dev __IFNAME__ mtu 1500
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 1.0 1.5
guest ip link set dev __IFNAME__ mtu 9000
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 6G
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3 BW guest ns __GW__ 100${i}2 __THREADS__ __TIME__ __OPTS__ -b 7G
bw __BW__ 4.0 5.0
tl UDP RR latency over IPv4: guest to host
lat -
lat -
lat -
lat -
lat -
nsb udp_rr --nolog -4
gout LAT udp_rr --nolog -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tr UDP throughput over IPv6: host to guest
bw -
bw -
ns ip link set dev lo mtu 1280
iperf3 BW ns guest ::1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 2G
bw __BW__ 0.8 1.2
ns ip link set dev lo mtu 1500
iperf3 BW ns guest ::1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 2G
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 9000
iperf3 BW ns guest ::1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 3.0 4.0
ns ip link set dev lo mtu 65520
iperf3 BW ns guest ::1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 3.0 4.0
tl UDP RR latency over IPv6: host to guest
lat -
lat -
lat -
lat -
lat -
guestb udp_rr --nolog -P 10001 -C 10011 -6
sleep 1
nsout LAT udp_rr --nolog -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
ns ip link set dev lo mtu 65535
tr UDP throughput over IPv4: host to guest
ns ip link set dev lo mtu 256
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 1G
bw __BW__ 0.0 0.0
ns ip link set dev lo mtu 576
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 1G
bw __BW__ 0.4 0.6
ns ip link set dev lo mtu 1280
ns ip addr add ::1 dev lo
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 0.8 1.2
ns ip link set dev lo mtu 1500
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 9000
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 3.0 4.0
ns ip link set dev lo mtu 65520
iperf3 BW ns guest 127.0.0.1 100${i}1 __THREADS__ __TIME__ __OPTS__ -b 3G
bw __BW__ 3.0 4.0
tl UDP RR latency over IPv4: host to guest
lat -
lat -
lat -
lat -
lat -
guestb udp_rr --nolog -P 10001 -C 10011 -4
sleep 1
nsout LAT udp_rr --nolog -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
ns ip link set dev lo mtu 65535
te
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