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passt/test/perf/pasta_udp
David Gibson 5c13b511d9 test: Combine iperf3c and iperf3s into a single DSL command 
These two commands in the DSL to run an iperf client and server are always
used together, and some of the parameters must match between them.  The
iperf3s must also be run more or less immediately after iperf3c, since
iperf3c will run a client in the background after a sleep and requires a
server to be running before it will work.

A bunch of things can be made cleaner if we make a single DSL command that
runs both sides of the test.  For now make the combined command work
exactly like the two commands together did, warts and all.

This does lose the ability for the DSL scripts to give additional options
to the iperf3 server, but we weren't using that anyway.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2022-09-07 11:01:22 +02:00

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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/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' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
set THREADS 1
set STREAMS 4
set OPTS -u -i1 -t30 -P __STREAMS__
info Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz, __STREAMS__ streams
report pasta lo_udp 1 __FREQ__
th MTU 1500B 4000B 16384B 65535B
tr UDP throughput over IPv6: ns to host
ns ip link set dev lo mtu 1500
iperf3 BW ns host ::1 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 4000
iperf3 BW ns host ::1 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 1.2 1.8
ns ip link set dev lo mtu 16384
iperf3 BW ns host ::1 100${i}3 __THREADS__ __OPTS__ -b 10G
bw __BW__ 5.0 6.0
ns ip link set dev lo mtu 65535
iperf3 BW ns host ::1 100${i}3 __THREADS__ __OPTS__ -b 15G
bw __BW__ 7.0 9.0
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
ns ip link set dev lo mtu 1500
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 1.0 1.5
ns ip link set dev lo mtu 4000
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 1.2 1.8
ns ip link set dev lo mtu 16384
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __OPTS__ -b 10G
bw __BW__ 5.0 6.0
ns ip link set dev lo mtu 65535
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __OPTS__ -b 15G
bw __BW__ 7.0 9.0
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
bw -
bw -
bw -
#iperf3c host ::1 100${i}2 __THREADS__ __OPTS__ -b 15G
#iperf3s BW ns 100${i}2 __THREADS__
iperf3 BW host ns ::1 100${i}2 __THREADS__ __OPTS__ -b 15G
bw __BW__ 7.0 9.0
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
bw -
bw -
bw -
#iperf3c host 127.0.0.1 100${i}2 __THREADS__ __OPTS__ -b 15G
#iperf3s BW ns 100${i}2 __THREADS__
iperf3 BW host ns 127.0.0.1 100${i}2 __THREADS__ __OPTS__ -b 15G
bw __BW__ 7.0 9.0
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, __STREAMS__ streams
report pasta tap_udp 1 __FREQ__
th MTU 1500B 4000B 16384B 65520B
tr UDP throughput over IPv6: ns to host
ns ip link set dev __IFNAME__ mtu 1500
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __OPTS__ -b 2G
bw __BW__ 0.3 0.5
ns ip link set dev __IFNAME__ mtu 4000
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 0.5 0.8
ns ip link set dev __IFNAME__ mtu 16384
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __OPTS__ -b 4G
bw __BW__ 3.0 4.0
ns ip link set dev __IFNAME__ mtu 65520
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __OPTS__ -b 6G
bw __BW__ 6.0 7.0
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
ns ip link set dev __IFNAME__ mtu 1500
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __OPTS__ -b 2G
bw __BW__ 0.3 0.5
ns ip link set dev __IFNAME__ mtu 4000
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __OPTS__ -b 3G
bw __BW__ 0.5 0.8
ns ip link set dev __IFNAME__ mtu 16384
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __OPTS__ -b 4G
bw __BW__ 3.0 4.0
ns ip link set dev __IFNAME__ mtu 65520
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __OPTS__ -b 6G
bw __BW__ 6.0 7.0
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
te
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