collector.rb in prometheus-client-mmap-0.7.0.beta3

- old
+ new

@@ -39,10 +39,14 @@
             :http_requests_total,
             'A counter of the total number of HTTP requests made.',
           )
           @durations = @registry.summary(
             :http_request_duration_seconds,
+            'A summary of the response latency.',
+          )
+          @durations_hist = @registry.histogram(
+            :http_req_duration_seconds,
             'A histogram of the response latency.',
           )
         end
 
         def init_exception_metrics
@@ -70,11 +74,13 @@
         end
 
         def record(labels, duration)
           @requests.increment(labels)
           @durations.observe(labels, duration)
-        rescue
-          # TODO: log unexpected exception during request recording
+          @durations_hist.observe(labels, duration)
+        rescue => exception
+          @exceptions.increment(exception: exception.class.name)
+          raise
           nil
         end
       end
     end
   end