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