diff --git a/contrib/test.sh b/contrib/test.sh
new file mode 100755
index 0000000..d3b307a
--- /dev/null
+++ b/contrib/test.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# runs two instances of hochwasser (rpc server & client each) against a fake (iperf)
+# pixelflut server for a few seconds, and opens pprof afterwar
+
+runtime=${1:-"2s"}
+
+function cleanup {
+  kill ${pids[@]} > /dev/null 2>&1
+}
+trap cleanup EXIT
+
+wd=$(dirname "$0")
+pids=()
+
+iperf -p 1337 -s > /dev/null 2>&1 &
+pids+=($!)
+
+go run . -image $wd/../benchmarks/black_small.png -rán :1234 &
+pids+=($!)
+sleep 0.2
+
+go run . -image $wd/../benchmarks/white_small.png -hevring :1234 -runtime "$runtime" -cpuprofile hevring.prof
+pids+=($!)
+
+cleanup
+
+go tool pprof -http :8080 Hochwasser hevring.prof
+#go tool pprof -http :8081 Hochwasser ran.prof