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143 lines
4.9 KiB
143 lines
4.9 KiB
4 months ago
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.io.IOException;
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import java.io.FileReader;
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import java.io.BufferedReader;
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import java.io.PrintStream;
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import java.util.Set;
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import java.util.TreeSet;
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import java.util.HashSet;
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import java.util.Iterator;
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/**
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* Prints HTML containing removed and added files.
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*/
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public class PrintHtmlDiff {
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private static final String OLD_PRELOADED_CLASSES
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= "old-preloaded-classes";
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public static void main(String[] args) throws IOException,
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ClassNotFoundException {
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Root root = Root.fromFile(args[0]);
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BufferedReader oldClasses = new BufferedReader(
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new FileReader(OLD_PRELOADED_CLASSES));
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// Classes loaded implicitly by the zygote.
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Set<LoadedClass> zygote = new HashSet<LoadedClass>();
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for (Proc proc : root.processes.values()) {
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if (proc.name.equals("zygote")) {
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for (Operation op : proc.operations) {
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zygote.add(op.loadedClass);
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}
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break;
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}
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}
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Set<LoadedClass> removed = new TreeSet<LoadedClass>();
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Set<LoadedClass> added = new TreeSet<LoadedClass>();
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for (LoadedClass loadedClass : root.loadedClasses.values()) {
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if (loadedClass.preloaded && !zygote.contains(loadedClass)) {
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added.add(loadedClass);
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}
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}
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String line;
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while ((line = oldClasses.readLine()) != null) {
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line = line.trim();
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LoadedClass clazz = root.loadedClasses.get(line);
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if (clazz != null) {
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added.remove(clazz);
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if (!clazz.preloaded) removed.add(clazz);
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}
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}
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PrintStream out = System.out;
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out.println("<html><body>");
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out.println("<style>");
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out.println("a, th, td, h2 { font-family: arial }");
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out.println("th, td { font-size: small }");
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out.println("</style>");
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out.println("<script src=\"sorttable.js\"></script>");
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out.println("<p><a href=\"#removed\">Removed</a>");
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out.println("<a name=\"added\"/><h2>Added</h2>");
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printTable(out, root.baseline, added);
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out.println("<a name=\"removed\"/><h2>Removed</h2>");
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printTable(out, root.baseline, removed);
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out.println("</body></html>");
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}
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static void printTable(PrintStream out, MemoryUsage baseline,
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Iterable<LoadedClass> classes) {
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out.println("<table border=\"1\" cellpadding=\"5\""
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+ " class=\"sortable\">");
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out.println("<thead><tr>");
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out.println("<th>Name</th>");
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out.println("<th>Load Time (us)</th>");
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out.println("<th>Loaded By</th>");
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out.println("<th>Heap (B)</th>");
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out.println("<th>Pages</th>");
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out.println("</tr></thead>");
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for (LoadedClass clazz : classes) {
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out.println("<tr>");
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out.println("<td>" + clazz.name + "</td>");
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out.println("<td>" + clazz.medianTimeMicros() + "</td>");
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out.println("<td>");
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Set<String> procNames = new TreeSet<String>();
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for (Operation op : clazz.loads) procNames.add(op.process.name);
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for (Operation op : clazz.initializations) {
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procNames.add(op.process.name);
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}
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if (procNames.size() <= 3) {
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for (String name : procNames) {
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out.print(name + "<br/>");
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}
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} else {
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Iterator<String> i = procNames.iterator();
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out.print(i.next() + "<br/>");
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out.print(i.next() + "<br/>");
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out.print("...and " + (procNames.size() - 2)
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+ " others.");
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}
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out.println("</td>");
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if (clazz.memoryUsage.isAvailable()) {
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MemoryUsage subtracted
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= clazz.memoryUsage.subtract(baseline);
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out.println("<td>" + (subtracted.javaHeapSize()
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+ subtracted.nativeHeapSize) + "</td>");
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out.println("<td>" + subtracted.totalPages() + "</td>");
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} else {
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for (int i = 0; i < 2; i++) {
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out.println("<td>n/a</td>");
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}
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}
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out.println("</tr>");
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}
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out.println("</table>");
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}
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}
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