diff --git a/aos/events/simulated_event_loop.cc b/aos/events/simulated_event_loop.cc
index 8474bb8..ef34839 100644
--- a/aos/events/simulated_event_loop.cc
+++ b/aos/events/simulated_event_loop.cc
@@ -728,6 +728,7 @@
 }
 
 void SimulatedWatcher::HandleEvent() {
+  VLOG(1) << "Watcher " << configuration::CleanedChannelToString(channel_);
   CHECK_NE(msgs_.size(), 0u) << ": No events to handle.";
 
   const monotonic_clock::time_point monotonic_now =
@@ -919,6 +920,7 @@
 }
 
 void SimulatedTimerHandler::HandleEvent() {
+  VLOG(1) << "Timer " << name();
   const ::aos::monotonic_clock::time_point monotonic_now =
       simulated_event_loop_->monotonic_now();
   logging::ScopedLogRestorer prev_logger;
@@ -974,6 +976,7 @@
 }
 
 void SimulatedPhasedLoopHandler::HandleEvent() {
+  VLOG(1) << "Phased loop " << name();
   monotonic_clock::time_point monotonic_now =
       simulated_event_loop_->monotonic_now();
   logging::ScopedLogRestorer prev_logger;