From f35d6ec07c6d8db6052844da2d5051477f9bf090 Mon Sep 17 00:00:00 2001
From: Joshua T Corbin <joshua@uber.com>
Date: Mon, 27 Jun 2016 13:16:37 -0700
Subject: [PATCH] MuTornadoMon._cb: fix latency difference

---
 mutornadomon/monitor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mutornadomon/monitor.py b/mutornadomon/monitor.py
index 421773a..3ef8f85 100644
--- a/mutornadomon/monitor.py
+++ b/mutornadomon/monitor.py
@@ -127,7 +127,7 @@ def _cb(self):
         now = time.time()
         self.count('callbacks')
         latency = now - self._last_cb_time
-        excess_latency = latency - (CALLBACK_FREQUENCY / 1000.0)
+        excess_latency = latency - (self.measure_interval / 1000.0)
         self._last_cb_time = now
         self.kv('ioloop_excess_callback_latency', excess_latency)
         if hasattr(self.io_loop, '_handlers'):