1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.io.BufferedReader; 18 import java.io.FileInputStream; 19 import java.io.IOException; 20 import java.io.InputStreamReader; 21 import java.util.ArrayList; 22 import java.util.List; 23 24 /** 25 * Parses and analyzes a log, pulling our PRELOAD information. If you have 26 * an emulator or device running in the background, this class will use it 27 * to measure and record the memory usage of each class. 28 * 29 * TODO: Should analyze lines and select substring dynamically (instead of hardcoded 19) 30 */ 31 public class Compile { 32 main(String[] args)33 public static void main(String[] args) throws IOException { 34 if (args.length != 2) { 35 System.err.println("Usage: Compile [log file] [output file]"); 36 System.exit(0); 37 } 38 39 Root root = new Root(); 40 41 List<Record> records = new ArrayList<Record>(); 42 43 BufferedReader in = new BufferedReader(new InputStreamReader( 44 new FileInputStream(args[0]))); 45 46 String line; 47 int lineNumber = 0; 48 while ((line = in.readLine()) != null) { 49 lineNumber++; 50 if (line.startsWith("I/PRELOAD")) { 51 try { 52 String clipped = line.substring(19); 53 records.add(new Record(clipped, lineNumber)); 54 } catch (RuntimeException e) { 55 throw new RuntimeException( 56 "Exception while recording line " + lineNumber + ": " + line, e); 57 } 58 } 59 } 60 61 for (Record record : records) { 62 root.indexProcess(record); 63 } 64 65 for (Record record : records) { 66 root.indexClassOperation(record); 67 } 68 69 in.close(); 70 71 root.toFile(args[1]); 72 } 73 } 74