Rework analysis server performance measurement code.

pkg/analysis_server/lib/src/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.get_handler;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 249 matching lines @@
     AnalysisServer analysisServer = _server.analysisServer;
     if (analysisServer == null) {
       return _returnFailure(request, 'Analysis server is not running');
     }
     _writeResponse(request, (StringBuffer buffer) {
       _writePage(
           buffer,
           'Analysis Server - Analysis Performance',
           [],
           (StringBuffer buffer) {
-        void writeRow(TimeCounter counter, String label) {
-          _writeRow(buffer, [counter.result, label], classes: ["right", null]);
+        void writeRow(PerformanceTag tag) {
+          _writeRow(buffer, [tag.elapsedMs, tag.label], classes: ["right", null]);
         }
 
         buffer.write('<h3>Analysis Performance</h3>');
         buffer.write('<p><b>Time spent in each phase of analysis</b></p>');
         buffer.write(
             '<table style="border-collapse: separate; border-spacing: 10px 5px;">');
         _writeRow(buffer, ['Time (in ms)', 'Analysis Phase'], header: true);
-        writeRow(PerformanceStatistics.io, 'io');
-        writeRow(PerformanceStatistics.scan, 'scan');
-        writeRow(PerformanceStatistics.parse, 'parse');
-        writeRow(PerformanceStatistics.resolve, 'resolve');
-        writeRow(PerformanceStatistics.errors, 'errors');
-        writeRow(PerformanceStatistics.hints, 'hints');
-        writeRow(PerformanceStatistics.lint, 'lint');
+        PerformanceTag.all.forEach(writeRow);
         buffer.write('</table>');
 
         Map<DataDescriptor, Map<CacheState, int>> transitionMap = SourceEntry.transitionMap;
         buffer.write('<p><b>Number of times a state transitioned to VALID (grouped by descriptor)</b></p>');
         if (transitionMap.isEmpty) {
           buffer.write('<p>none</p>');
         } else {
           List<DataDescriptor> descriptors = transitionMap.keys.toList();
           descriptors.sort(
               (DataDescriptor first, DataDescriptor second) =>
@@ skipping 1334 matching lines @@
    * 'error'.
    */
   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>';
   }
 }