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passt/test/perf/passt_udp
Stefano Brivio edb64ecbad test/perf/passt_udp: Drop threshold for 256B test 
That test fails sometimes, it looks like iperf3 is still sending
initial messages that are too big. I'll need to figure out why,
but given that 256 bytes is not really an expected MTU, drop the
thresholds to zero for the moment being.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2022-02-21 13:41:13 +01:00

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# SPDX-License-Identifier: AGPL-3.0-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>
onlyfor passt_in_ns
gtools 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 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
gout IFNAME ip -j li sh | 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' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
set THREADS 4
set STREAMS 1
set OPTS -u -i1 -t30 -P __STREAMS__ --pacing-timer 1000
info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz, one stream each
report passt udp __THREADS__ __FREQ__
th MTU 256B 576B 1280B 1500B 9000B 65520B
tr UDP throughput over IPv6: guest to host
bw -
bw -
guest ip link set dev __IFNAME__ mtu 1280
iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 2G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 0.8 1.2
guest ip link set dev __IFNAME__ mtu 1500
iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 3G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 1.0 1.5
guest ip link set dev __IFNAME__ mtu 9000
iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 5G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 7G
iperf3s BW ns 100${i}2 __THREADS__
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
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 500M
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 0.0 0.0
guest ip link set dev __IFNAME__ mtu 576
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 1G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 0.4 0.6
guest ip link set dev __IFNAME__ mtu 1280
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 2G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 0.8 1.2
guest ip link set dev __IFNAME__ mtu 1500
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 3G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 1.0 1.5
guest ip link set dev __IFNAME__ mtu 9000
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 6G
iperf3s BW ns 100${i}2 __THREADS__
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 7G
iperf3s BW ns 100${i}2 __THREADS__
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
iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 0.8 1.2
ns ip link set dev lo mtu 1500
iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 9000
iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 3.0 4.0
ns ip link set dev lo mtu 65520
iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
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
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
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 0.0 0.0
ns ip link set dev lo mtu 576
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 0.4 0.6
ns ip link set dev lo mtu 1280
ns ip addr add ::1 dev lo
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 0.8 1.2
ns ip link set dev lo mtu 1500
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 9000
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
bw __BW__ 3.0 4.0
ns ip link set dev lo mtu 65520
iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
iperf3s BW guest 100${i}1 __THREADS__
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
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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