From d568da3d307022e7972efcaea16f8a0c3e093bc7 Mon Sep 17 00:00:00 2001
From: Michael Klishin <michael@rabbitmq.com>
Date: Wed, 30 Jul 2014 20:17:07 +0400
Subject: Backed out changeset 18314d722148

This will also affect rabbitmqctl, which was not intended.
---
 src/rabbit_amqqueue_process.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rabbit_amqqueue_process.erl b/src/rabbit_amqqueue_process.erl
index cca70fa9..9b785303 100644
--- a/src/rabbit_amqqueue_process.erl
+++ b/src/rabbit_amqqueue_process.erl
@@ -1261,7 +1261,7 @@ handle_pre_hibernate(State = #q{backing_queue = BQ,
     rabbit_event:if_enabled(
       State, #q.stats_timer,
       fun () -> emit_stats(State, [{idle_since,           now()},
-                                   {consumer_utilisation, null}]) end),
+                                   {consumer_utilisation, ''}]) end),
     State1 = rabbit_event:stop_stats_timer(State#q{backing_queue_state = BQS3},
                                            #q.stats_timer),
     {hibernate, stop_rate_timer(State1)}.
-- 
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