# 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	STREAMS 4
set	TIME 10
set	OPTS -u -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${i}3 __THREADS__ __TIME__ __OPTS__ -b 3G
bw	__BW__ 1.0 1.5
ns	ip link set dev lo mtu 4000
iperf3	BW ns host ::1 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 3G
bw	__BW__ 1.2 1.8
ns	ip link set dev lo mtu 16384
iperf3	BW ns host ::1 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 10G
bw	__BW__ 5.0 6.0
ns	ip link set dev lo mtu 65535
iperf3	BW ns host ::1 100${i}3 __THREADS__ __TIME__ __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${i}3 __THREADS__ __TIME__ __OPTS__ -b 3G
bw	__BW__ 1.0 1.5
ns	ip link set dev lo mtu 4000
iperf3	BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __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${i}3 __THREADS__ __TIME__ __OPTS__ -b 10G
bw	__BW__ 5.0 6.0
ns	ip link set dev lo mtu 65535
iperf3	BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __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	-
iperf3	BW host ns ::1 100${i}2 __THREADS__ __TIME__ __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	-
iperf3	BW host ns 127.0.0.1 100${i}2 __THREADS__ __TIME__ __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${i}3 __THREADS__ __TIME__ __OPTS__ -b 2G
bw	__BW__ 0.3 0.5
ns	ip link set dev __IFNAME__ mtu 4000
iperf3	BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 3G
bw	__BW__ 0.5 0.8
ns	ip link set dev __IFNAME__ mtu 16384
iperf3	BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 4G
bw	__BW__ 3.0 4.0
ns	ip link set dev __IFNAME__ mtu 65520
iperf3	BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __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${i}3 __THREADS__ __TIME__ __OPTS__ -b 2G
bw	__BW__ 0.3 0.5
ns	ip link set dev __IFNAME__ mtu 4000
iperf3	BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 3G
bw	__BW__ 0.5 0.8
ns	ip link set dev __IFNAME__ mtu 16384
iperf3	BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -b 4G
bw	__BW__ 3.0 4.0
ns	ip link set dev __IFNAME__ mtu 65520
iperf3	BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __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


tr	UDP throughput over IPv6: host to ns
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'
bw	-
bw	-
bw	-
iperf3	BW host ns __ADDR6__ 100${i}2 __THREADS__ __TIME__ __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 __ADDR6__ | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat	__LAT__ 200 150


tr	UDP throughput over IPv4: host to ns
nsout	ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
bw	-
bw	-
bw	-
iperf3	BW host ns __ADDR__ 100${i}2 __THREADS__ __TIME__ __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 __ADDR__ | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat	__LAT__ 200 150

te