#2387: store event id instead of msg (wip)

Author: cwschilly

src/vt/trace/trace.cc

@@ -220,8 +220,8 @@ void insertNewUserEvent(
   #endif
 }
 
-void Trace::addHashedEventMsg(Message event_msg) {
-  theTrace()->user_hashed_events_.push_back(event_msg);
+void Trace::addHashedEvent(UserEventIDType event_id) {
+  theTrace()->user_hashed_events_.push_back(event_id);
 }
 
 void Trace::addUserEvent(UserEventIDType event) {

src/vt/trace/trace.h

@@ -221,11 +221,11 @@ struct Trace : runtime::component::Component<Trace>, TraceLite {
   void registerUserEventManual(std::string const& name, UserSpecEventIDType id);
 
   /**
-   * \brief Store a hashed event
+   * \brief Store a hashed event ID
    *
-   * \param[in] event_msg the hashed event message
+   * \param[in] event_id the hashed event ID
    */
-  void addHashedEventMsg(Message event_msg);
+  void addHashedEvent(UserEventIDType event_id);
 
   /**
    * \brief Log a user event

src/vt/trace/trace_lite.cc

@@ -545,11 +545,11 @@ void TraceLite::writeTracesFile(int flush, bool is_incremental_flush) {
 
   // Allreduce the hashed events to rank 0 before writing sts file
   auto const root = 0;
-  std::vector<Message> all_hashed_events;
-  auto msg = makeMessage<ReduceVecMsg<Message>>(
+  std::vector<UserEventIDType> all_hashed_events;
+  auto msg = makeMessage<ReduceVecMsg<UserEventIDType>>(
     theTrace()->user_hashed_events_);
   theCollective()->global()->reduce<
-    PlusOp<std::vector<Message>>, Verify<ReduceOP::Plus>
+    PlusOp<std::vector<UserEventIDType>>, Verify<ReduceOP::Plus>
   >(root, msg.get());
 
   size_t to_write = traces_.size();

src/vt/trace/trace_lite.h

@@ -427,7 +427,7 @@ struct TraceLite  {
   int incremental_flush_mode_ = 0;
 
   UserEventRegistry user_event_ = {};
-  std::vector<Message> user_hashed_events_;
+  std::vector<UserEventIDType> user_hashed_events_;
   EventHoldStackType event_holds_;
   TraceStackType open_events_;
   TraceContainerType traces_;

src/vt/trace/trace_user_event.cc

@@ -84,8 +84,7 @@ UserEventIDType UserEventRegistry::hash(std::string const& in_event_name) {
   auto id = std::get<0>(ret);
   auto inserted = std::get<1>(ret);
   if (inserted) {
-    auto msg = makeMessage<NewUserEventMsg>(false, id, in_event_name);
-    theTrace->addHashedEventMsg(msg);
+    theTrace->addHashedEvent(id);
   }
   return id;
 }