From f83cacde528bd3d8adb1f9efad383fa61a5c9f51 Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@sharedrealm.com>
Date: Mon, 31 Dec 2012 16:15:24 -0800
Subject: [PATCH] Add more stats.

---
 perf/local_lat.lua  | 15 +++++++++++++++
 perf/remote_lat.lua |  1 +
 perf/thread_lat.lua |  3 +++
 3 files changed, 19 insertions(+)

diff --git a/perf/local_lat.lua b/perf/local_lat.lua
index d6a4ec1..027c583 100644
--- a/perf/local_lat.lua
+++ b/perf/local_lat.lua
@@ -35,11 +35,26 @@ s:bind(bind_to)
 
 local msg = zmq.zmq_msg_t()
 
+local timer
+
 for i = 1, roundtrip_count do
 	assert(s:recv_msg(msg))
+	if not timer then
+		timer = zmq.stopwatch_start()
+	end
 	assert(msg:size() == message_size, "Invalid message size")
 	assert(s:send_msg(msg))
 end
 
+local elapsed = timer:stop()
+
 s:close()
 ctx:term()
+
+local latency = elapsed / roundtrip_count / 2
+
+print(string.format("mean latency: %.3f [us]", latency))
+local secs = elapsed / (1000 * 1000)
+print(string.format("elapsed = %f", secs))
+print(string.format("msg/sec = %f", roundtrip_count / secs))
+
diff --git a/perf/remote_lat.lua b/perf/remote_lat.lua
index 4376f60..ebcc680 100644
--- a/perf/remote_lat.lua
+++ b/perf/remote_lat.lua
@@ -54,3 +54,4 @@ local latency = elapsed / roundtrip_count / 2
 print(string.format("message size: %i [B]", message_size))
 print(string.format("roundtrip count: %i", roundtrip_count))
 print(string.format("mean latency: %.3f [us]", latency))
+
diff --git a/perf/thread_lat.lua b/perf/thread_lat.lua
index 01e4451..f781e55 100644
--- a/perf/thread_lat.lua
+++ b/perf/thread_lat.lua
@@ -83,4 +83,7 @@ ctx:term()
 local latency = elapsed / roundtrip_count / 2
 
 print(string.format("mean latency: %.3f [us]", latency))
+local secs = elapsed / (1000 * 1000)
+print(string.format("elapsed = %f", secs))
+print(string.format("msg/sec = %f", roundtrip_count / secs))