diff --git a/lib/semantic/subscribers/action_controller.rb b/lib/semantic/subscribers/action_controller.rb
index e477ab4..879e44a 100644
--- a/lib/semantic/subscribers/action_controller.rb
+++ b/lib/semantic/subscribers/action_controller.rb
@@ -56,7 +56,10 @@ module Semantic
             status = ::ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
           end
 
+          additions << pop_active_record_summary
           additions << "GC: #{event.gc_time.round(1)}ms"
+          additions.compact!
+
           if event.duration >= 1200
             logger.error process_duration(event, additions)
           elsif event.duration >= 600
@@ -92,6 +95,21 @@ module Semantic
 
       private
 
+      def pop_active_record_summary
+        active_record_transactions = Thread.current[ActiveRecord.to_s]
+        return unless active_record_transactions
+
+        # reset thread local
+        Thread.current[ActiveRecord.to_s] = nil
+
+        active_record_transactions.map do |k, art|
+          art.except(:total_duration)
+             .select { |_, value| value.positive? }
+             .map { |k, v| "#{v} #{k.to_s.pluralize(v)}" }
+             .join(',')
+        end.compact.join('|')
+      end
+
       def redirect_regex
         return @redirect_regex if defined?(@redirect_regex)