import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.util.Map;
import java.util.List;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Set;
import java.util.TreeSet;
import java.util.Iterator;
/**
* Prints HTML reports that can be attached to bugs.
*/
public class PrintBugReports {
private static final String DIR = "out/preload";
private static boolean PRINT_MEMORY_USAGE = false;
private static final Comparator<LoadedClass> DEFAULT_ORDER
= new Comparator<LoadedClass>() {
public int compare(LoadedClass a, LoadedClass b) {
// Longest load time first.
int diff = b.medianTimeMicros() - a.medianTimeMicros();
if (diff != 0) {
return diff;
}
return a.name.compareTo(b.name);
}
};
public static void main(String[] args)
throws IOException, ClassNotFoundException {
Root root = Root.fromFile(args[0]);
String baseUrl = "";
if (args.length > 1) {
baseUrl = args[1];
}
new File(DIR).mkdirs();
Map<String, List<Proc>> procsByName = new HashMap<String, List<Proc>>();
for (Proc proc : root.processes.values()) {
if (proc.fromZygote()) {
List<Proc> procs = procsByName.get(proc.name);
if (procs == null) {
procs = new ArrayList<Proc>();
procsByName.put(proc.name, procs);
}
procs.add(proc);
}
}
Set<LoadedClass> coreClasses = new TreeSet<LoadedClass>(DEFAULT_ORDER);
Set<LoadedClass> frameworkClasses = new TreeSet<LoadedClass>(DEFAULT_ORDER);
for (List<Proc> procs : procsByName.values()) {
Proc first = procs.get(0);
Set<LoadedClass> classes = new TreeSet<LoadedClass>(DEFAULT_ORDER);
Set<LoadedClass> sharedClasses
= new TreeSet<LoadedClass>(DEFAULT_ORDER);
for (Proc proc : procs) {
for (Operation operation : proc.operations) {
LoadedClass clazz = operation.loadedClass;
if (clazz.isSharable() && clazz.systemClass) {
if (clazz.name.startsWith("dalvik")
|| clazz.name.startsWith("org")
|| clazz.name.startsWith("java")) {
coreClasses.add(clazz);
} else {
frameworkClasses.add(clazz);
}
sharedClasses.add(clazz);
} else {
classes.add(clazz);
}
}
}
printApplicationHtml(first.name, root.baseline, classes,
sharedClasses);
}
printHtml("core", root.baseline, coreClasses);
printHtml("framework", root.baseline, frameworkClasses);
PrintStream out = new PrintStream(DIR + "/toc.html");
out.println("<html><body>");
out.println("<a href='" + baseUrl
+ "/core.html'>core</a><br/>");
out.println("<a href='" + baseUrl
+ "/framework.html'>framework</a><br/>");
for (String s : new TreeSet<String>(procsByName.keySet())) {
out.println("<a href='" + baseUrl + "/"
+ s + ".html'>" + s + "</a><br/>");
}
out.println("</body></html>");
out.close();
}
static void printApplicationHtml(String name, MemoryUsage baseline,
Iterable<LoadedClass> classes, Iterable<LoadedClass> sharedClasses)
throws IOException {
PrintStream out = new PrintStream(DIR + "/" + name + ".html");
printHeader(name, out);
out.println("<body>");
out.println("<h1><tt>" + name + "</tt></h1>");
out.println("<p><i>Click a column header to sort by that column.</i></p>");
out.println("<p><a href=\"#shared\">Shared Classes</a></p>");
out.println("<h3>Application-Specific Classes</h3>");
out.println("<p>These classes were loaded only by " + name + ". If"
+ " the value of the <i>Preloaded</i> column is <i>yes</i> or "
+ " <i>no</i>, the class is in the boot classpath; if it's not"
+ " part of the published API, consider"
+ " moving it into the APK.</p>");
printTable(out, baseline, classes, false);
out.println("<p><a href=\"#\">Top</a></p>");
out.println("<a name=\"shared\"/><h3>Shared Classes</h3>");
out.println("<p>These classes are in the boot classpath. They are used"
+ " by " + name + " as well as others.");
printTable(out, baseline, sharedClasses, true);
out.println("</body></html>");
out.close();
}
static void printHtml(String name, MemoryUsage baseline,
Iterable<LoadedClass> classes)
throws IOException {
PrintStream out = new PrintStream(DIR + "/" + name + ".html");
printHeader(name, out);
out.println("<body>");
out.println("<h1><tt>" + name + "</tt></h1>");
out.println("<p><i>Click a column header to sort by that column.</i></p>");
printTable(out, baseline, classes, true);
out.println("</body></html>");
out.close();
}
private static void printHeader(String name, PrintStream out)
throws IOException {
out.println("<html><head>");
out.println("<title>" + name + "</title>");
out.println("<style>");
out.println("a, th, td, h1, h3, p { font-family: arial }");
out.println("th, td { font-size: small }");
out.println("</style>");
out.println("<script language=\"javascript\">");
out.write(SCRIPT);
out.println("</script>");
out.println("</head>");
}
static void printTable(PrintStream out, MemoryUsage baseline,
Iterable<LoadedClass> classes, boolean showProcNames) {
out.println("<p><table border=\"1\" cellpadding=\"5\""
+ " class=\"sortable\" cellspacing=\"0\">");
out.println("<thead bgcolor=\"#eeeeee\"><tr>");
out.println("<th>Name</th>");
out.println("<th>Preloaded</th>");
out.println("<th>Total Time (us)</th>");
out.println("<th>Load Time (us)</th>");
out.println("<th>Init Time (us)</th>");
if (PRINT_MEMORY_USAGE) {
out.println("<th>Total Heap (B)</th>");
out.println("<th>Dalvik Heap (B)</th>");
out.println("<th>Native Heap (B)</th>");
out.println("<th>Total Pages (kB)</th>");
out.println("<th>Dalvik Pages (kB)</th>");
out.println("<th>Native Pages (kB)</th>");
out.println("<th>Other Pages (kB)</th>");
}
if (showProcNames) {
out.println("<th>Loaded by</th>");
}
out.println("</tr></thead>");
for (LoadedClass clazz : classes) {
out.println("<tr>");
out.println("<td>" + clazz.name + "</td>");
out.println("<td>" + ((clazz.systemClass)
? ((clazz.preloaded) ? "yes" : "no") : "n/a") + "</td>");
out.println("<td>" + clazz.medianTimeMicros() + "</td>");
out.println("<td>" + clazz.medianLoadTimeMicros() + "</td>");
out.println("<td>" + clazz.medianInitTimeMicros() + "</td>");
if (PRINT_MEMORY_USAGE) {
if (clazz.memoryUsage.isAvailable()) {
MemoryUsage subtracted
= clazz.memoryUsage.subtract(baseline);
long totalHeap = subtracted.javaHeapSize()
+ subtracted.nativeHeapSize;
out.println("<td>" + totalHeap + "</td>");
out.println("<td>" + subtracted.javaHeapSize() + "</td>");
out.println("<td>" + subtracted.nativeHeapSize + "</td>");
out.println("<td>" + subtracted.totalPages() + "</td>");
out.println("<td>" + subtracted.javaPagesInK() + "</td>");
out.println("<td>" + subtracted.nativePagesInK() + "</td>");
out.println("<td>" + subtracted.otherPagesInK() + "</td>");
} else {
for (int i = 0; i < 7; i++) {
out.println("<td> </td>");
}
}
}
if (showProcNames) {
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>");
}
out.println("</tr>");
}
out.println("</table></p>");
}
static byte[] SCRIPT;
static {
try {
File script = new File(
"frameworks/base/tools/preload/sorttable.js");
int length = (int) script.length();
SCRIPT = new byte[length];
DataInputStream in = new DataInputStream(
new FileInputStream(script));
in.readFully(SCRIPT);
in.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}