Add the 'executionDomain' performance tag.

pkg/analysis_server/lib/src/analysis_server.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analysis.server;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:math' show max;
 
@@ skipping 1308 matching lines @@
     }
   }
 }
 
 
 /**
  * Container with global [AnalysisServer] performance statistics.
  */
 class ServerPerformanceStatistics {
   /**
+   * The [PerformanceTag] for time spent in [ExecutionDomainHandler].
+   */
+  static PerformanceTag executionDomain = new PerformanceTag('executionDomain');

[Paul Berry, 2015/02/24 17:28:10]

It looks like you're only tracking time spent computing and sending
notifications for the execution domain--you're not tracking time spent
processing execution domain requests.

Consider renaming this to "executionNotifications", and updating the comment, so
that there's no misunderstanding about that.

+
+  /**
    * The [PerformanceTag] for time spent in
    * PerformAnalysisOperation._updateIndex.
    */
   static PerformanceTag index = new PerformanceTag('index');
 
   /**
-   * The [PerformanceTag] for time spent in
-   * PerformAnalysisOperation._sendNotices.
-   */
-  static PerformanceTag notices = new PerformanceTag('notices');
-
-  /**
    * The [PerformanceTag] for time spent performing a _DartIndexOperation.
    */
   static PerformanceTag indexOperation = new PerformanceTag('indexOperation');
 
   /**
    * The [PerformanceTag] for time spent between calls to
    * AnalysisServer.performOperation when the server is not idle.
    */
   static PerformanceTag intertask = new PerformanceTag('intertask');
 
   /**
    * The [PerformanceTag] for time spent between calls to
    * AnalysisServer.performOperation when the server is idle.
    */
   static PerformanceTag idle = new PerformanceTag('idle');
+
+  /**
+   * The [PerformanceTag] for time spent in
+   * PerformAnalysisOperation._sendNotices.
+   */
+  static PerformanceTag notices = new PerformanceTag('notices');
 }