Compute and display tasks input timings.

pkg/analysis_server/lib/src/status/get_handler.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.src.status.get_handler;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 17 matching lines @@
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart'
     hide AnalysisCache, AnalysisContextImpl, AnalysisTask;
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/utilities_collection.dart';
 import 'package:analyzer/src/generated/utilities_general.dart';
 import 'package:analyzer/src/task/dart.dart';
+import 'package:analyzer/src/task/driver.dart';
 import 'package:analyzer/src/task/html.dart';
 import 'package:analyzer/src/task/options.dart';
 import 'package:analyzer/task/dart.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/html.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:plugin/plugin.dart';
 
 /**
  * A function that can be used to generate HTML output into the given [buffer].
@@ skipping 501 matching lines @@
               null,
               "right",
               "right",
               "right"
             ]);
           });
           _writeRow(buffer, ['Total', '-', totalTaskTime, '-'],
               classes: [null, "right", "right", "right"]);
           buffer.write('</table>');
         });
+        //
+        // Write task model inputs timing information.
+        //
+        {
+          buffer.write('<p><b>Task inputs performace data</b></p>');
+          buffer.write(
+              '<table style="border-collapse: separate; border-spacing: 10px 5px;">');
+          _writeRow(
+              buffer,
+              [
+                'Task Name',
+                'Count',
+                'Total Time (in ms)',
+                'Average Time (in ms)'
+              ],
+              header: true);
+
+          Map<String, int> countMap = WorkItem.countMap;
+          Map<String, Stopwatch> stopwatchMap = WorkItem.stopwatchMap;
+          List<String> taskClasses = stopwatchMap.keys.toList();
+          taskClasses.sort((String first, String second) =>
+              first.toString().compareTo(second.toString()));
+          taskClasses.forEach((String taskClass) {
+            int count = countMap[taskClass];
+            if (count == null) {
+              count = 0;
+            }
+            int taskTime = stopwatchMap[taskClass].elapsedMilliseconds;
+            _writeRow(buffer, [
+              taskClass.toString(),
+              count,
+              taskTime,
+              count <= 0 ? '-' : (taskTime / count).toStringAsFixed(3)
+            ], classes: [
+              null,
+              "right",
+              "right",
+              "right"
+            ]);
+          });
+          buffer.write('</table>');
+        }
       });
     });
   }
 
   /**
    * Return a response containing information about an AST structure.
    */
   void _returnAst(HttpRequest request) {
     AnalysisServer analysisServer = _server.analysisServer;
     if (analysisServer == null) {
@@ skipping 1329 matching lines @@
    */
   static String makeLink(
       String path, Map<String, String> params, String innerHtml,
       [bool hasError = false]) {
     Uri uri = new Uri(path: path, queryParameters: params);
     String href = HTML_ESCAPE.convert(uri.toString());
     String classAttribute = hasError ? ' class="error"' : '';
     return '<a href="$href"$classAttribute>$innerHtml</a>';
   }
 }