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passt/test/perf/pasta_udp
Stefano Brivio f72d35a78d test: iperf3 3.16 introduces multiple threads, drop our own implementation of that 
Starting from iperf3 version 3.16, -P / --parallel spawns multiple
clients as separate threads, instead of multiple streams serviced by
the same thread.

So we can drop our lib/test implementation to spawn several iperf3
client and server processes and finally simplify things quite a bit.

Adjust number of threads and UDP sending bandwidth to values that seem
to be more or less matching previous throughput tests on my setup.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Tested-by: David Gibson <david@gibson.dropbear.id.au>
2024-07-25 12:30:38 +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/pasta_udp - Check UDP performance in pasta mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
htools bc head ip sleep iperf3 udp_rr jq sed
nstools ip sleep iperf3 udp_rr jq sed
test pasta: throughput and latency (local traffic)
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 1
set TIME 10
set OPTS -u -P __THREADS__
info Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz
report pasta lo_udp 1 __FREQ__
th pktlen 1500B 4000B 16384B 65535B
tr UDP throughput over IPv6: ns to host
iperf3s host 10003
# (datagram size) = (packet size) - 48: 40 bytes of IPv6 header, 8 of UDP header
iperf3 BW ns ::1 10003 __TIME__ __OPTS__ -b 5G -l 1452
bw __BW__ 1.0 1.5
iperf3 BW ns ::1 10003 __TIME__ __OPTS__ -b 10G -l 3972
bw __BW__ 1.2 1.8
iperf3 BW ns ::1 10003 __TIME__ __OPTS__ -b 30G -l 16336
bw __BW__ 5.0 6.0
iperf3 BW ns ::1 10003 __TIME__ __OPTS__ -b 40G -l 65487
bw __BW__ 7.0 9.0
iperf3k host
tl UDP RR latency over IPv6: ns to host
lat -
lat -
lat -
hostb udp_rr --nolog -P 10003 -C 10013 -6
nsout LAT udp_rr --nolog -P 10003 -C 10013 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 200 150
tr UDP throughput over IPv4: ns to host
iperf3s host 10003
# (datagram size) = (packet size) - 28: 20 bytes of IPv4 header, 8 of UDP header
iperf3 BW ns 127.0.0.1 10003 __TIME__ __OPTS__ -b 5G -l 1372
bw __BW__ 1.0 1.5
iperf3 BW ns 127.0.0.1 10003 __TIME__ __OPTS__ -b 10G -l 3972
bw __BW__ 1.2 1.8
iperf3 BW ns 127.0.0.1 10003 __TIME__ __OPTS__ -b 30G -l 16356
bw __BW__ 5.0 6.0
iperf3 BW ns 127.0.0.1 10003 __TIME__ __OPTS__ -b 40G -l 65507
bw __BW__ 7.0 9.0
iperf3k host
tl UDP RR latency over IPv4: ns to host
lat -
lat -
lat -
hostb udp_rr --nolog -P 10003 -C 10013 -4
nsout LAT udp_rr --nolog -P 10003 -C 10013 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 200 150
tr UDP throughput over IPv6: host to ns
iperf3s ns 10002
iperf3 BW host ::1 10002 __TIME__ __OPTS__ -b 5G -l 1452
bw __BW__ 1.0 1.5
iperf3 BW host ::1 10002 __TIME__ __OPTS__ -b 10G -l 3972
bw __BW__ 1.2 1.8
iperf3 BW host ::1 10002 __TIME__ __OPTS__ -b 30G -l 16336
bw __BW__ 5.0 6.0
iperf3 BW host ::1 10002 __TIME__ __OPTS__ -b 40G -l 65487
bw __BW__ 7.0 9.0
iperf3k ns
tl UDP RR latency over IPv6: host to ns
lat -
lat -
lat -
nsb udp_rr --nolog -P 10002 -C 10012 -6
hout LAT udp_rr --nolog -P 10002 -C 10012 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 200 150
tr UDP throughput over IPv4: host to ns
iperf3s ns 10002
iperf3 BW host 127.0.0.1 10002 __TIME__ __OPTS__ -b 5G -l 1372
bw __BW__ 1.0 1.5
iperf3 BW host 127.0.0.1 10002 __TIME__ __OPTS__ -b 10G -l 3972
bw __BW__ 1.2 1.8
iperf3 BW host 127.0.0.1 10002 __TIME__ __OPTS__ -b 30G -l 16356
bw __BW__ 5.0 6.0
iperf3 BW host 127.0.0.1 10002 __TIME__ __OPTS__ -b 40G -l 65507
bw __BW__ 7.0 9.0
iperf3k ns
tl UDP RR latency over IPv4: host to ns
lat -
lat -
lat -
nsb udp_rr --nolog -P 10002 -C 10012 -4
hout LAT udp_rr --nolog -P 10002 -C 10012 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 200 150
te
test pasta: throughput and latency (traffic via tap)
nsout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
nsout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
info Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz
report pasta tap_udp 1 __FREQ__
th pktlen 1500B 4000B 16384B 65520B
tr UDP throughput over IPv6: ns to host
iperf3s host 10003
# (datagram size) = (packet size) - 48: 40 bytes of IPv6 header, 8 of UDP header
iperf3 BW ns __GW6__%__IFNAME__ 10003 __TIME__ __OPTS__ -b 8G -l 1472
bw __BW__ 0.3 0.5
iperf3 BW ns __GW6__%__IFNAME__ 10003 __TIME__ __OPTS__ -b 12G -l 3972
bw __BW__ 0.5 0.8
iperf3 BW ns __GW6__%__IFNAME__ 10003 __TIME__ __OPTS__ -b 20G -l 16356
bw __BW__ 3.0 4.0
iperf3 BW ns __GW6__%__IFNAME__ 10003 __TIME__ __OPTS__ -b 30G -l 65472
bw __BW__ 6.0 7.0
iperf3k host
tl UDP RR latency over IPv6: ns to host
lat -
lat -
lat -
hostb udp_rr --nolog -P 10003 -C 10013 -6
nsout LAT udp_rr --nolog -P 10003 -C 10013 -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 200 150
tr UDP throughput over IPv4: ns to host
iperf3s host 10003
# (datagram size) = (packet size) - 28: 20 bytes of IPv4 header, 8 of UDP header
iperf3 BW ns __GW__ 10003 __TIME__ __OPTS__ -b 8G -l 1472
bw __BW__ 0.3 0.5
iperf3 BW ns __GW__ 10003 __TIME__ __OPTS__ -b 12G -l 3972
bw __BW__ 0.5 0.8
iperf3 BW ns __GW__ 10003 __TIME__ __OPTS__ -b 20G -l 16356
bw __BW__ 3.0 4.0
iperf3 BW ns __GW__ 10003 __TIME__ __OPTS__ -b 30G -l 65492
bw __BW__ 6.0 7.0
iperf3k host
tl UDP RR latency over IPv4: ns to host
lat -
lat -
lat -
hostb udp_rr --nolog -P 10003 -C 10013 -4
nsout LAT udp_rr --nolog -P 10003 -C 10013 -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 200 150
tr UDP throughput over IPv6: host to ns
iperf3s ns 10002
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
nsout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global" and .prefixlen == 64).local'
iperf3 BW host __ADDR6__ 10002 __TIME__ __OPTS__ -b 8G -l 1472
bw __BW__ 0.3 0.5
iperf3 BW host __ADDR6__ 10002 __TIME__ __OPTS__ -b 12G -l 3972
bw __BW__ 0.5 0.8
iperf3 BW host __ADDR6__ 10002 __TIME__ __OPTS__ -b 20G -l 16356
bw __BW__ 3.0 4.0
iperf3 BW host __ADDR6__ 10002 __TIME__ __OPTS__ -b 30G -l 65472
bw __BW__ 7.0 9.0
iperf3k ns
tl UDP RR latency over IPv6: host to ns
lat -
lat -
lat -
nsb udp_rr --nolog -P 10002 -C 10012 -6
hout LAT udp_rr --nolog -P 10002 -C 10012 -6 -c -H __ADDR6__ | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 200 150
tr UDP throughput over IPv4: host to ns
iperf3s ns 10002
nsout ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
iperf3 BW host __ADDR__ 10002 __TIME__ __OPTS__ -b 8G -l 1472
bw __BW__ 0.3 0.5
iperf3 BW host __ADDR__ 10002 __TIME__ __OPTS__ -b 12G -l 3972
bw __BW__ 0.5 0.8
iperf3 BW host __ADDR__ 10002 __TIME__ __OPTS__ -b 20G -l 16356
bw __BW__ 3.0 4.0
iperf3 BW host __ADDR__ 10002 __TIME__ __OPTS__ -b 30G -l 65492
bw __BW__ 7.0 9.0
iperf3k ns
tl UDP RR latency over IPv4: host to ns
lat -
lat -
lat -
nsb udp_rr --nolog -P 10002 -C 10012 -4
hout LAT udp_rr --nolog -P 10002 -C 10012 -4 -c -H __ADDR__ | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 200 150
te
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