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passt/test/perf/passt_tcp
Stefano Brivio 946206437a test: Speed up by cutting on eye candy and performance test duration 
We have a number of delays when we switch to new layouts that were
added to make the tests visually easier to follow, together with
blinking status bars. Shorten the delays and avoid blinking the
status bar if $FAST is set to 1 (no demo mode).

Shorten delays in busy loops to 10ms, instead of 100ms, and skip the
one-second fixed delay when we wait for the status of a command.

Cut the duration of throughput and latency tests to one second, down
from ten. Somewhat surprisingly, the results we get are rather
consistent, and not significantly different from what we'd get with
10 seconds.

This, together with Podman's commit 20f3e8909e3a ("test/system:
pasta_test_do add explicit port check"), cuts the time needed on my
setup for full test run from approximately 37 minutes to...:

  $ time ./run
  [exited]
  PASS: 165, FAIL: 0
  Log at /home/sbrivio/passt/test/test_logs/test.log

  real	15m34.253s
  user	0m0.011s
  sys	0m0.011s

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>
2024-08-15 09:13:15 +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_tcp - Check TCP performance in passt mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
gtools /sbin/sysctl ip jq nproc seq sleep iperf3 tcp_rr tcp_crr # From neper
nstools /sbin/sysctl ip jq nproc seq sleep iperf3 tcp_rr tcp_crr
htools bc head sed seq
test passt: throughput and latency
guest /sbin/sysctl -w net.core.rmem_max=536870912
guest /sbin/sysctl -w net.core.wmem_max=536870912
guest /sbin/sysctl -w net.core.rmem_default=33554432
guest /sbin/sysctl -w net.core.wmem_default=33554432
guest /sbin/sysctl -w net.ipv4.tcp_rmem="4096 131072 268435456"
guest /sbin/sysctl -w net.ipv4.tcp_wmem="4096 131072 268435456"
guest /sbin/sysctl -w net.ipv4.tcp_timestamps=0
ns /sbin/sysctl -w net.ipv4.tcp_rmem="4096 524288 134217728"
ns /sbin/sysctl -w net.ipv4.tcp_wmem="4096 524288 134217728"
ns /sbin/sysctl -w net.ipv4.tcp_timestamps=0
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 TIME 1
set OMIT 0.1
set OPTS -Z -P __THREADS__ -l 1M -O__OMIT__
info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz
report passt tcp __THREADS__ __FREQ__
th MTU 256B 576B 1280B 1500B 9000B 65520B
tr TCP throughput over IPv6: guest to host
iperf3s ns 10002
bw -
bw -
guest ip link set dev __IFNAME__ mtu 1280
iperf3 BW guest __GW6__%__IFNAME__ 10002 __TIME__ __OPTS__ -w 4M
bw __BW__ 1.2 1.5
guest ip link set dev __IFNAME__ mtu 1500
iperf3 BW guest __GW6__%__IFNAME__ 10002 __TIME__ __OPTS__ -w 4M
bw __BW__ 1.6 1.8
guest ip link set dev __IFNAME__ mtu 9000
iperf3 BW guest __GW6__%__IFNAME__ 10002 __TIME__ __OPTS__ -w 8M
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3 BW guest __GW6__%__IFNAME__ 10002 __TIME__ __OPTS__ -w 16M
bw __BW__ 7.0 8.0
iperf3k ns
tl TCP RR latency over IPv6: guest to host
lat -
lat -
lat -
lat -
lat -
nsb tcp_rr --nolog -6
gout LAT tcp_rr --nolog -l1 -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tl TCP CRR latency over IPv6: guest to host
lat -
lat -
lat -
lat -
lat -
nsb tcp_crr --nolog -6
gout LAT tcp_crr --nolog -l1 -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 500 400
tr TCP throughput over IPv4: guest to host
iperf3s ns 10002
guest ip link set dev __IFNAME__ mtu 256
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 1M
bw __BW__ 0.2 0.3
guest ip link set dev __IFNAME__ mtu 576
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 1M
bw __BW__ 0.5 0.8
guest ip link set dev __IFNAME__ mtu 1280
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 4M
bw __BW__ 1.2 1.5
guest ip link set dev __IFNAME__ mtu 1500
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 4M
bw __BW__ 1.6 1.8
guest ip link set dev __IFNAME__ mtu 9000
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 8M
bw __BW__ 4.0 5.0
guest ip link set dev __IFNAME__ mtu 65520
iperf3 BW guest __GW__ 10002 __TIME__ __OPTS__ -w 16M
bw __BW__ 7.0 8.0
iperf3k ns
tl TCP RR latency over IPv4: guest to host
lat -
lat -
lat -
lat -
lat -
nsb tcp_rr --nolog -4
gout LAT tcp_rr --nolog -l1 -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tl TCP CRR latency over IPv4: guest to host
lat -
lat -
lat -
lat -
lat -
nsb tcp_crr --nolog -4
gout LAT tcp_crr --nolog -l1 -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 500 400
tr TCP throughput over IPv6: host to guest
iperf3s guest 10001
bw -
bw -
bw -
bw -
bw -
iperf3 BW ns ::1 10001 __TIME__ __OPTS__
bw __BW__ 6.0 6.8
iperf3k guest
tl TCP RR latency over IPv6: host to guest
lat -
lat -
lat -
lat -
lat -
guestb tcp_rr --nolog -P 10001 -C 10011 -6
sleep 1
nsout LAT tcp_rr --nolog -l1 -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tl TCP CRR latency over IPv6: host to guest
lat -
lat -
lat -
lat -
lat -
guestb tcp_crr --nolog -P 10001 -C 10011 -6
sleep 1
nsout LAT tcp_crr --nolog -l1 -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 500 350
tr TCP throughput over IPv4: host to guest
iperf3s guest 10001
bw -
bw -
bw -
bw -
bw -
iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__
bw __BW__ 6.0 6.8
iperf3k guest
tl TCP RR latency over IPv4: host to guest
lat -
lat -
lat -
lat -
lat -
guestb tcp_rr --nolog -P 10001 -C 10011 -4
sleep 1
nsout LAT tcp_rr --nolog -l1 -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 200 150
tl TCP CRR latency over IPv6: host to guest
lat -
lat -
lat -
lat -
lat -
guestb tcp_crr --nolog -P 10001 -C 10011 -4
sleep 1
nsout LAT tcp_crr --nolog -l1 -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
lat __LAT__ 500 300
te
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