Jacob Richman
a993294503
BUG= R=brianwilkerson@google.com Review-Url: https://codereview.chromium.org/2753923003 .
92 lines
3.1 KiB
Dart
92 lines
3.1 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:io';
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import 'package:path/path.dart';
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import 'main.dart' as performance;
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// Local driver for performance measurement
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main(List<String> args) {
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/*
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* Parse arguments
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*/
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if (args.length < 3) printHelp('Expected 3 arguments');
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var gitDir = new Directory(args[0]);
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if (!gitDir.existsSync()) printHelp('${gitDir.path} does not exist');
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if (!new Directory(join(gitDir.path, '.git')).existsSync())
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printHelp('${gitDir.path} does not appear to be a local git repository');
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var branch = args[1];
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var inputFile = new File(args[2]);
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if (!inputFile.existsSync()) printHelp('${inputFile.path} does not exist');
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/*
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* Create a new temp directory
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*/
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var tmpDir = new Directory(
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join(Directory.systemTemp.path, 'analysis_server_perf_target'));
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if (!tmpDir.path.contains('tmp')) throw 'invalid tmp directory\n $tmpDir';
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print('Extracting target analysis environment into\n ${tmpDir.path}');
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if (tmpDir.existsSync()) tmpDir.deleteSync(recursive: true);
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tmpDir.createSync(recursive: true);
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/*
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* Setup the initial target source in the temp directory
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*/
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var tarFilePath = join(tmpDir.path, 'targetSrc.tar');
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var result = Process.runSync('git', ['archive', branch, '-o', tarFilePath],
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workingDirectory: gitDir.path);
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if (result.exitCode != 0) throw 'failed to obtain target source: $result';
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var tmpSrcDirPath = join(tmpDir.path, 'targetSrc');
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new Directory(tmpSrcDirPath).createSync();
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result = Process.runSync('tar', ['-xf', tarFilePath],
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workingDirectory: tmpSrcDirPath);
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if (result.exitCode != 0) throw 'failed to extract target source: $result';
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/*
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* Symlink the out or xcodebuild directory
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*/
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var outDirName = 'out';
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if (!new Directory(join(gitDir.path, outDirName)).existsSync()) {
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outDirName = 'xcodebuild';
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}
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if (!new Directory(join(gitDir.path, outDirName)).existsSync()) {
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throw 'failed to find out or xcodebuild directory';
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}
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result = Process.runSync('ln',
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['-s', join(gitDir.path, outDirName), join(tmpSrcDirPath, outDirName)]);
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if (result.exitCode != 0) throw 'failed to link out or xcodebuild: $result';
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/*
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* Collect arguments
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*/
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var perfArgs = [
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'-i${inputFile.path}',
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'-t$tmpSrcDirPath',
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];
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for (int index = 3; index < args.length; ++index) {
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perfArgs.add(args[index].replaceAll('@tmpSrcDir@', tmpSrcDirPath));
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}
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perfArgs.add('-m${gitDir.path},$tmpSrcDirPath');
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/*
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* Launch the performance analysis tool
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*/
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performance.main(perfArgs);
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}
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/// Print help and exit
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void printHelp([String errMsg]) {
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if (errMsg != null) {
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print('');
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print('Error: $errMsg');
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print('');
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}
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print('''Required arguments: <gitDir> <branch> <inputFile>
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gitDir = a path to the git repository containing the initial target source
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branch = the branch containing the initial target source
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inputFile = the instrumentation or log file
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Optional arguments:''');
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print(performance.argParser.usage);
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exit(1);
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}
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