Add tracing to #to_hash for Comment/CommentThread.

models/comment.rb

@@ -1,3 +1,4 @@
+require 'new_relic/agent/method_tracer'
 require_relative 'content'
 require_relative 'constants'
 
@@ -164,4 +165,7 @@ class Comment < Content
       self.sk = (self.parent_ids.dup << self.id).join("-")
     end
   end
+
+  include ::NewRelic::Agent::MethodTracer
+  add_method_tracer :to_hash
 end

models/comment_thread.rb

@@ -133,7 +133,6 @@ class CommentThread < Content
               "group_id" => group_id,
               "pinned" => pinned?,
               "comments_count" => comment_count)
-
   end
 
   def comment_thread_id
@@ -162,4 +161,7 @@ class CommentThread < Content
   def destroy_subscriptions
     subscriptions.delete_all
   end
+
+  include ::NewRelic::Agent::MethodTracer
+  add_method_tracer :to_hash
 end