Only emit stats if level != none.

3 files changed, 18 insertions, 6 deletions

diff --git a/src/rabbit_amqqueue_process.erl b/src/rabbit_amqqueue_process.erl
index 63c0b7ac0e..d07aa99ec9 100644
--- a/src/rabbit_amqqueue_process.erl
+++ b/src/rabbit_amqqueue_process.erl
@@ -152,7 +152,8 @@ init_expires(State = #q{q = #amqqueue{arguments = Arguments}}) ->
 
 declare(Recover, From,
         State = #q{q = Q = #amqqueue{name = QName, durable = IsDurable},
-                   backing_queue = BQ, backing_queue_state = undefined}) ->
+                   backing_queue = BQ, backing_queue_state = undefined,
+                   stats_timer = StatsTimer}) ->
     case rabbit_amqqueue:internal_declare(Q, Recover) of
         not_found -> {stop, normal, not_found, State};
         Q         -> gen_server2:reply(From, {new, Q}),
@@ -166,7 +167,10 @@ declare(Recover, From,
                      State1 = init_expires(State#q{backing_queue_state = BQS}),
                      rabbit_event:notify(queue_created,
                                          infos(?CREATION_EVENT_KEYS, State1)),
-                     emit_stats(State1),
+                     case rabbit_event:stats_level(StatsTimer) of
+                         none -> ok;
+                         _    -> emit_stats(State1)
+                     end,
                      noreply(State1);
         Q1        -> {stop, normal, {existing, Q1}, State}
     end.
diff --git a/src/rabbit_channel.erl b/src/rabbit_channel.erl
index 19d855899a..d518e59bfe 100644
--- a/src/rabbit_channel.erl
+++ b/src/rabbit_channel.erl
@@ -157,6 +157,7 @@ init([Channel, ReaderPid, WriterPid, Username, VHost, CollectorPid,
       StartLimiterFun]) ->
     process_flag(trap_exit, true),
     ok = pg_local:join(rabbit_channels, self()),
+    StatsTimer = rabbit_event:init_stats_timer(),
     State = #ch{state                   = starting,
                 channel                 = Channel,
                 reader_pid              = ReaderPid,
@@ -174,9 +175,12 @@ init([Channel, ReaderPid, WriterPid, Username, VHost, CollectorPid,
                 consumer_mapping        = dict:new(),
                 blocking                = dict:new(),
                 queue_collector_pid     = CollectorPid,
-                stats_timer             = rabbit_event:init_stats_timer()},
+                stats_timer             = StatsTimer},
     rabbit_event:notify(channel_created, infos(?CREATION_EVENT_KEYS, State)),
-    internal_emit_stats(State),
+    case rabbit_event:stats_level(StatsTimer) of
+        none -> ok;
+        _    -> internal_emit_stats(State)
+    end,
     {ok, State, hibernate,
      {backoff, ?HIBERNATE_AFTER_MIN, ?HIBERNATE_AFTER_MIN, ?DESIRED_HIBERNATE}}.
 
diff --git a/src/rabbit_reader.erl b/src/rabbit_reader.erl
index 0ddc60e8f1..795a2a92e2 100644
--- a/src/rabbit_reader.erl
+++ b/src/rabbit_reader.erl
@@ -765,7 +765,8 @@ handle_method0(#'connection.open'{virtual_host = VHostPath},
                            connection = Connection = #connection{
                                           user = User,
                                           protocol = Protocol},
-                           sock = Sock}) ->
+                           sock = Sock,
+                           stats_timer = StatsTimer}) ->
     ok = rabbit_access_control:check_vhost_access(User, VHostPath),
     NewConnection = Connection#connection{vhost = VHostPath},
     ok = send_on_channel0(Sock, #'connection.open_ok'{}, Protocol),
@@ -775,7 +776,10 @@ handle_method0(#'connection.open'{virtual_host = VHostPath},
                         connection = NewConnection}),
     rabbit_event:notify(connection_created,
                         infos(?CREATION_EVENT_KEYS, State1)),
-    internal_emit_stats(State1),
+    case rabbit_event:stats_level(StatsTimer) of
+        none -> ok;
+        _    -> internal_emit_stats(State1)
+    end,
     State1;
 handle_method0(#'connection.close'{}, State) when ?IS_RUNNING(State) ->
     lists:foreach(fun rabbit_framing_channel:shutdown/1, all_channels()),