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test: Add CI/demo scripts
Not really quick, definitely dirty. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Stefano Brivio
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test/demo
274
test/demo/pasta
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274
test/demo/pasta
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/demo/pasta - Quick introduction to pasta
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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onlyfor pasta
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say This is a short introduction to
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em pasta
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say .
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nl
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nl
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sleep 3
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say Let's fetch the source
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sleep 1
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tempdir TEMPDIR
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host cd __TEMPDIR__
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host git clone https://passt.top/passt
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sleep 1
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say and build it.
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sleep 1
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host cd passt
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host make
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sleep 1
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nl
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nl
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say A quick look at the man page...
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sleep 1
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hostb man ./pasta.1
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sleep 5
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hostb /pasta
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sleep 2
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hostb n
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sleep 2
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hostb n
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sleep 10
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nl
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say without TARGET_PID, it will create a namespace.
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sleep 3
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passt cd __TEMPDIR__/passt
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passt ./pasta
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sleep 3
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nl
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nl
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say For convenience, let's enter this namespace
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nl
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say from another terminal.
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sleep 3
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pout TARGET_PID echo $$
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sleep 1
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ns nsenter -t __TARGET_PID__ -U -n --preserve-credentials
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sleep 5
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nl
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nl
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say Now, we're ready to configure networking.
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sleep 2
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host q
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nl
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nl
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ns ip li sh
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sleep 3
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say Let's configure IPv4 first...
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sleep 2
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ns dhclient
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sleep 2
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ns ip ad sh
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sleep 5
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nl
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say SLAAC is already done, but we can also
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nl
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say get another address via DHCPv6.
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sleep 3
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ns dhclient -6
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sleep 3
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nl
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nl
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say Let's try to communicate between host and namespace
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sleep 2
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nl
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say ...there's no need to configure port forwarding,
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nl
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say pasta detects bound ports and forwards them.
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sleep 3
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nsb nc -6 -l -p 31337
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sleep 2
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host echo "Hello from the host" | nc -N ::1 31337
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sleep 5
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nl
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nl
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say Now the other way around...
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nl
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say we can use a loopback address
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sleep
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hostb nc -l -p 31337
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sleep 2
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ns echo "Hello from the namespace" | nc -N 127.0.0.1 31337
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sleep 5
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nl
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say or the address of the default gateway.
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sleep 2
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nsout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
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sleep 5
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hostb nc -l -p 31337
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sleep 2
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ns echo "Hello from the namespace" | nc -N __GW__ 31337
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sleep 3
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nl
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nl
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say UDP...
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sleep 2
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ns host -t A passt.top
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sleep 3
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say seems to work too.
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sleep 3
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nl
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nl
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em pasta
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say can also take packet captures.
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sleep 3
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passt exit
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sleep 2
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temp TEMP
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passtb ./pasta -p __TEMP__.pcap
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sleep 2
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passt
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passt /sbin/dhclient
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sleep 2
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hostb tshark -r __TEMP__.pcap
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sleep 5
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nl
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nl
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say And there are tons of totally useless
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sleep 1
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bsp 14
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say absolutely useful features
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nl
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say you can find described in the man page.
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sleep 5
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nl
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nl
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say Let's have a (quick!) look at performance
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nl
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say more in the "Performance" section below.
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sleep 3
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passt exit
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passt CFLAGS="-g" make avx2
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sleep 2
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passt perf record -g ./pasta
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sleep 2
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pout TARGET_PID echo $$
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sleep 1
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ns nsenter -t __TARGET_PID__ -U -n --preserve-credentials
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sleep 5
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nl
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nl
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info Throughput in Gbps, latency in µs
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th flow init>ns ns>init
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set OPTS -P4 -l 1M -w 32M -i1 --pacing-timer 100000
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tr TCP/IPv6 throughput
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nsb sleep 10; iperf3 -c ::1 __OPTS__
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hout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
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bw __BW__ 10.0 20.0
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sleep 5
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hostb sleep 10; iperf3 -c ::1 __OPTS__
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nsout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
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bw __BW__ 10.0 20.0
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tl TCP/IPv6 RR latency
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hostb tcp_rr -6 --nolog
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sleep 2
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nsout LAT tcp_rr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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nsb tcp_rr -6 --nolog
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sleep 2
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hout LAT tcp_rr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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tl TCP/IPv6 CRR latency
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hostb tcp_crr -6 --nolog
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sleep 2
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nsout LAT tcp_crr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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nsb tcp_crr -6 --nolog
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sleep 2
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hout LAT tcp_crr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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tr TCP/IPv4 throughput
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nsb sleep 10; iperf3 -c 127.0.0.1 __OPTS__
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hout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
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bw __BW__ 10.0 20.0
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sleep 5
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hostb sleep 10; iperf3 -c 127.0.0.1 __OPTS__
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nsout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
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bw __BW__ 10.0 20.0
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tl TCP/IPv4 RR latency
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hostb tcp_rr -4 --nolog
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sleep 2
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nsout LAT tcp_rr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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nsb tcp_rr -4 --nolog
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sleep 2
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hout LAT tcp_rr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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tl TCP/IPv4 CRR latency
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hostb tcp_crr -4 --nolog
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sleep 2
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nsout LAT tcp_crr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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nsb tcp_crr -4 --nolog
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sleep 2
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hout LAT tcp_crr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
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lat __LAT__ 1000 500
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sleep 2
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sleep 5
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passt exit
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sleep 2
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killp PASST
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killp HOST
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sleep 2
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nsb perf report -g --max-stack 3
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sleep 10
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nl
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nl
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say I
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em knew
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say it.
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em syscalls
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say .
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sleep 5
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nl
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nl
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say Thanks for watching!
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sleep 5
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