Use VM tag in profile and add stack trace trie

runtime/bin/vmservice/client/lib/src/service/service.dart

Index: runtime/bin/vmservice/client/lib/src/service/service.dart
diff --git a/runtime/bin/vmservice/client/lib/src/service/service.dart b/runtime/bin/vmservice/client/lib/src/service/service.dart
index 13ffed71a4a96515be8f42ed8c452f1cccaf69c6..4dd5dc7eaa9ec95cc97a05be647aff66c80fc270 100644
--- a/runtime/bin/vmservice/client/lib/src/service/service.dart
+++ b/runtime/bin/vmservice/client/lib/src/service/service.dart
@@ -96,10 +96,14 @@ abstract class ServiceObject extends Observable {
   /// a reference. See [load].
   bool isRef() => _ref;
 
+  // Disabled by default because the logging is excessive.
+  static bool _traceServiceObjectCreation = false;
   void _created() {
-    var refNotice = _ref ? ' Created from reference.' : '';
-    Logger.root.info('Created ServiceObject for \'${_id}\' with type '
-                     '\'${_serviceType}\'.' + refNotice);
+    if (_traceServiceObjectCreation) {
+      var refNotice = _ref ? ' Created from reference.' : '';
+      Logger.root.info('Created ServiceObject for \'${_id}\' with type '
+                       '\'${_serviceType}\'.' + refNotice);
+    }
   }
 
   /// Returns true if [map] is a service map. i.e. it has the following keys: