Rework local benchmarks into benchmarks on the Flutter codebase.

pkg/analysis_server/benchmark/perf/benchmark_flutter.dart

Index: pkg/analysis_server/benchmark/perf/benchmark_flutter.dart
diff --git a/pkg/analysis_server/benchmark/perf/benchmark_flutter.dart b/pkg/analysis_server/benchmark/perf/benchmark_flutter.dart
new file mode 100644
index 0000000000000000000000000000000000000000..87ccc30349c07246899200d5fba9a79a4504ecff
--- /dev/null
+++ b/pkg/analysis_server/benchmark/perf/benchmark_flutter.dart
@@ -0,0 +1,217 @@
+// Copyright (c) 2016, 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 server.performance.local;
+
+import 'dart:async';
+
+import 'package:analysis_server/plugin/protocol/protocol.dart';
+
+import 'benchmark_scenario.dart';
+import 'memory_tests.dart';
+
+main(List<String> args) async {
+  int length = args.length;
+  if (length < 1) {
+    print('Usage: dart benchmark_local.dart path_to_flutter_checkout'
+        ' [benchmark_id]');
+    return;
+  }
+  paths = new PathHolder(flutterPath: args[0]);
+  String id = args.length >= 2 ? args[1] : null;
+  if (id == null) {
+    for (String id in benchmarks.keys) {
+      BenchmarkFunction benchmark = benchmarks[id];
+      await benchmark(id);
+    }
+  } else {
+    BenchmarkFunction benchmark = benchmarks[id];
+    if (benchmark != null) {
+      benchmark(id);
+    }
+  }
+}
+
+const Map<String, BenchmarkFunction> benchmarks =
+    const <String, BenchmarkFunction>{
+  'flutter-initialAnalysis-1': run_flutter_initialAnalysis_1,
+  'flutter-initialAnalysis-2': run_flutter_initialAnalysis_2,
+  'flutter-change-1': run_flutter_change_1,
+  'flutter-change-2': run_flutter_change_2,
+  'flutter-completion-1': run_flutter_completion_1,
+  'flutter-completion-2': run_flutter_completion_2,
+  'flutter-refactoring-1': run_flutter_refactoring_1,
+  'flutter-memory-initialAnalysis-1': run_flutter_memory_initialAnalysis_1,
+  'flutter-memory-initialAnalysis-2': run_flutter_memory_initialAnalysis_2,
+};
+
+PathHolder paths;
+
+Future run_flutter_change_1(String id) async {
+  String description = r'''
+1. Open 'packages/flutter'.
+2. Change a method body in lib/src/painting/colors.dart
+3. Measure the time to finish analysis.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+  List<int> times = await new BenchmarkScenario().waitAnalyze_change_analyze(
+      roots: [paths.packageFlutter],
+      file: '${paths.packageFlutter}/lib/src/painting/colors.dart',
+      fileChange: new FileChange(
+          afterStr: 'final double h = hue % 360;', insertStr: 'print(12345);'),
+      numOfRepeats: 10);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_change_2(String id) async {
+  String description = r'''
+1. Open 'packages/flutter'.
+2. Change the name of a public method in lib/src/painting/colors.dart
+3. Measure the time to finish analysis.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+  List<int> times = await new BenchmarkScenario().waitAnalyze_change_analyze(
+      roots: [paths.packageFlutter],
+      file: '${paths.packageFlutter}/lib/src/painting/colors.dart',
+      fileChange: new FileChange(
+          afterStr: 'withValue(dou', afterStrBack: 4, insertStr: 'NewName'),
+      numOfRepeats: 5);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_completion_1(String id) async {
+  String description = r'''
+1. Open 'packages/flutter'.
+2. Change a method body in packages/flutter/lib/src/material/button.dart
+3. Request code completion in this method and measure time to get results.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+  String completionMarker = 'print(12345);';
+  List<int> times = await new BenchmarkScenario()
+      .waitAnalyze_change_getCompletion(
+          roots: [paths.packageFlutter],
+          file: '${paths.packageFlutter}/lib/src/material/button.dart',
+          fileChange: new FileChange(
+              afterStr: 'Widget build(BuildContext context) {',
+              insertStr: completionMarker),
+          completeAfterStr: completionMarker,
+          numOfRepeats: 10);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_completion_2(String id) async {
+  String description = r'''
+1. Open 'packages/flutter'.
+2. Change the name of a public method in lib/src/rendering/layer.dart
+3. Request code completion in this method and measure time to get results.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+  List<int> times = await new BenchmarkScenario()
+      .waitAnalyze_change_getCompletion(
+          roots: [paths.packageFlutter],
+          file: '${paths.packageFlutter}/lib/src/rendering/layer.dart',
+          fileChange: new FileChange(
+              replaceWhat: 'void removeAllChildren() {',
+              replaceWith: 'void removeAllChildren2() {print(12345);parent.'),
+          completeAfterStr: 'print(12345);parent.',
+          numOfRepeats: 5);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_initialAnalysis_1(String id) async {
+  String description = r'''
+1. Start server, set 'hello_world' analysis root.
+2. Measure the time to finish initial analysis.
+3. Shutdown the server.
+4. Go to (1).
+''';
+  List<int> times = await BenchmarkScenario.start_waitInitialAnalysis_shutdown(
+      roots: [paths.exampleHelloWorld], numOfRepeats: 5);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_initialAnalysis_2(String id) async {
+  String description = r'''
+1. Start server, set 'hello_world' and 'flutter_gallery' analysis roots.
+2. Measure the time to finish initial analysis.
+3. Shutdown the server.
+4. Go to (1).
+''';
+  List<int> times = await BenchmarkScenario.start_waitInitialAnalysis_shutdown(
+      roots: [paths.exampleHelloWorld, paths.exampleGallery], numOfRepeats: 5);
+  printBenchmarkResults(id, description, times);
+}
+
+Future run_flutter_memory_initialAnalysis_1(String id) async {
+  String description = r'''
+1. Start server, set 'packages/flutter' as the analysis root.
+2. Measure the memory usage after finishing initial analysis.
+3. Shutdown the server.
+4. Go to (1).
+''';
+  List<int> sizes = await AnalysisServerMemoryUsageTest
+      .start_waitInitialAnalysis_shutdown(
+          roots: <String>[paths.packageFlutter], numOfRepeats: 3);
+  printMemoryResults(id, description, sizes);
+}
+
+Future run_flutter_memory_initialAnalysis_2(String id) async {
+  String description = r'''
+1. Start server, set 'packages/flutter' and 'packages/flutter_markdown' analysis roots.
+2. Measure the memory usage after finishing initial analysis.
+3. Shutdown the server.
+4. Go to (1).
+''';
+  List<int> sizes = await AnalysisServerMemoryUsageTest
+      .start_waitInitialAnalysis_shutdown(
+          roots: <String>[paths.packageFlutter, paths.packageMarkdown],
+          numOfRepeats: 3);
+  printMemoryResults(id, description, sizes);
+}
+
+Future run_flutter_refactoring_1(String id) async {
+  String description = r'''
+1. Open 'packages/flutter'.
+2. Change the name of a public method in lib/src/rendering/layer.dart
+3. Request rename refactoring for `getSourcesWithFullName` and measure time to get results.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+  List<int> times = await new BenchmarkScenario()
+      .waitAnalyze_change_getRefactoring(
+          roots: [paths.packageFlutter],
+          file: '${paths.packageFlutter}/lib/src/rendering/layer.dart',
+          fileChange: new FileChange(
+              replaceWhat: 'void removeAllChildren() {',
+              replaceWith: 'void removeAllChildren2() {'),
+          refactoringAtStr: 'addToScene(ui.SceneBuilder builder',
+          refactoringKind: RefactoringKind.RENAME,
+          refactoringOptions: new RenameOptions('addToScene2'),
+          numOfRepeats: 5);
+  printBenchmarkResults(id, description, times);
+}
+
+typedef BenchmarkFunction(String id);
+
+class PathHolder {
+  String exampleHelloWorld;
+  String exampleGallery;
+  String exampleStocks;
+  String packageFlutter;
+  String packageMarkdown;
+  String packageSprites;
+
+  PathHolder({String flutterPath}) {
+    exampleHelloWorld = '$flutterPath/examples/hello_world';
+    exampleGallery = '$flutterPath/examples/flutter_gallery';
+    exampleStocks = '$flutterPath/examples/stocks';
+    packageFlutter = '$flutterPath/packages/flutter';
+    packageMarkdown = '$flutterPath/packages/flutter_markdown';
+    packageSprites = '$flutterPath/packages/flutter_sprites';
+  }
+}