lib/skylight/instrumenter.rb in skylight-0.1.0 vs lib/skylight/instrumenter.rb in skylight-0.1.1

@@ -43,10 +43,11 @@
         # has been acquired.
         return self if @started
 
         t { "starting instrumenter" }
         @config.validate!
+        @config.gc.enable
         @worker.spawn
         @subscriber.register!
 
         @started = true
       end
@@ -89,10 +90,10 @@
         Instrumenter.current_trace = nil
 
         begin
           built = trace.build
 
-          if built.valid?
+          if built && built.valid?
             process(built)
           else
             debug "trace invalid -- dropping"
           end
         rescue Exception => e