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#/usr/bin/env bash
# This is intended to be run with SSH agent forwarding,
# so we can log in as root to adjust artificial delay.
set -eu
which taler-exchange-benchmark
# check that we can log in at least!
ssh root@gv.taler.net true
ssh root@firefly.gnunet.org true
ssh root@gv.taler.net tc qdisc delete dev enp4s0f0 root || true
ssh root@firefly.gnunet.org tc qdisc delete dev eno2 root || true
ssh root@gv.taler.net "echo 3 > /proc/sys/net/ipv4/tcp_fastopen"
ssh root@firefly.gnunet.org "echo 3 > /proc/sys/net/ipv4/tcp_fastopen"
# warm up TCP fast open cookies
taler-exchange-benchmark -c benchmark-remote-gv.conf -m client -p 1 -n 5 >> benchmark-latency.log 2>&1
export GNUNET_BENCHMARK_DIR=$(readlink -f ./stats)
for x in 0 50 100 150 200; do
echo running with one-sided delay of $x
result_dir="results/latency-$x"
if [[ -d "$result_dir" ]]; then
echo "skipping because results exist"
continue
fi
ssh root@gv.taler.net tc qdisc add dev enp4s0f0 root netem delay "${x}ms"
ssh root@firefly.gnunet.org tc qdisc add dev eno2 root netem delay "${x}ms"
rm -rf stats
taler-exchange-benchmark -c benchmark-remote-gv.conf -m client -p 1 -n 200 >> benchmark-latency.log 2>&1
echo "### Finished latency run for ${x}ms" >> benchmark-latency.log
mkdir -p "$result_dir"
cp -a stats "$result_dir/"
ssh root@gv.taler.net tc qdisc delete dev enp4s0f0 root
ssh root@firefly.gnunet.org tc qdisc delete dev eno2 root
done
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