diff options
Diffstat (limited to 'doc/system/plots/run-latency.bash')
-rw-r--r-- | doc/system/plots/run-latency.bash | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/doc/system/plots/run-latency.bash b/doc/system/plots/run-latency.bash new file mode 100644 index 000000000..77b375db6 --- /dev/null +++ b/doc/system/plots/run-latency.bash @@ -0,0 +1,44 @@ +#/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 |