use when defined(libp2p_expensive_metrics)

Author: diegomrsantos

libp2p/protocols/pubsub/pubsubpeer.nim

@@ -32,8 +32,8 @@ when defined(libp2p_expensive_metrics):
   declareCounter(libp2p_pubsub_skipped_received_messages, "number of received skipped messages", labels = ["id"])
   declareCounter(libp2p_pubsub_skipped_sent_messages, "number of sent skipped messages", labels = ["id"])
 
-declareGauge(libp2p_gossipsub_priority_queue_size, "the number of messages in the priority queue", labels = ["id"])
-declareGauge(libp2p_gossipsub_non_priority_queue_size, "the number of messages in the non-priority queue", labels = ["id"])
+  declareGauge(libp2p_gossipsub_priority_queue_size, "the number of messages in the priority queue", labels = ["id"])
+  declareGauge(libp2p_gossipsub_non_priority_queue_size, "the number of messages in the non-priority queue", labels = ["id"])
 
 type
   PeerRateLimitError* = object of CatchableError
@@ -390,8 +390,9 @@ proc stopSendNonPriorityTask*(p: PubSubPeer) =
     p.rpcmessagequeue.sendNonPriorityTask = nil
     p.rpcmessagequeue.sendPriorityQueue.clear()
     p.rpcmessagequeue.nonPriorityQueue.clear()
-    libp2p_gossipsub_priority_queue_size.set(labelValues = [$p.peerId], value = 0)
-    libp2p_gossipsub_non_priority_queue_size.set(labelValues = [$p.peerId], value = 0)
+    when defined(libp2p_expensive_metrics):
+      libp2p_gossipsub_priority_queue_size.set(labelValues = [$p.peerId], value = 0)
+      libp2p_gossipsub_non_priority_queue_size.set(labelValues = [$p.peerId], value = 0)
 
 proc new(T: typedesc[RpcMessageQueue]): T =
   return T(