diff --git a/lib/semantic/instrumentalizer.rb b/lib/semantic/instrumentalizer.rb
index 2bbb853..6f008bc 100644
--- a/lib/semantic/instrumentalizer.rb
+++ b/lib/semantic/instrumentalizer.rb
@@ -11,11 +11,26 @@ module Semantic
     class << self
       def activate(*event_groups)
         reset
+        runtime_registry_subscriber
         event_groups.each { |event_group| enable(event_group) }
       end
 
       private
 
+      def runtime_registry_subscriber
+        global_subscribers << ActiveSupport::Notifications.monotonic_subscribe('sql.active_record') do |name, start, finish, id, payload|
+          unless %w[SCHEMA TRANSACTION].include?(payload[:name])
+            ActiveRecord::RuntimeRegistry.queries_count += 1
+            ActiveRecord::RuntimeRegistry.cached_queries_count += 1 if payload[:cached]
+          end
+
+          runtime = (finish - start) * 1_000.0
+
+          ActiveRecord::RuntimeRegistry.async_sql_runtime += (runtime - payload[:lock_wait]) if payload[:async]
+          ActiveRecord::RuntimeRegistry.sql_runtime += runtime
+        end
+      end
+
       def global_subscribers
         @global_subscribers ||= []
       end