diff --git a/tests/bench/ssh-roundtrip.py b/tests/bench/ssh-roundtrip.py
new file mode 100644
index 00000000..8745505d
--- /dev/null
+++ b/tests/bench/ssh-roundtrip.py
@@ -0,0 +1,35 @@
+"""
+Measure latency of SSH RPC.
+"""
+
+import sys
+import time
+
+import mitogen
+import mitogen.utils
+import ansible_mitogen.affinity
+
+mitogen.utils.setup_gil()
+ansible_mitogen.affinity.policy.assign_worker()
+
+try:
+    xrange
+except NameError:
+    xrange = range
+
+def do_nothing():
+    pass
+
+@mitogen.main()
+def main(router):
+    f = router.ssh(hostname=sys.argv[1])
+    f.call(do_nothing)
+    t0 = time.time()
+    end = time.time() + 5.0
+    i = 0
+    while time.time() < end:
+        f.call(do_nothing)
+        i += 1
+        t1 = time.time()
+
+    print('++', float(1e3 * (t1 - t0) / (1.0+i)), 'ms')