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Added tool to generate application-specific reports from class load profiling data. Generated new profiling data. Deleted old data. Generated new preloaded-classes file.

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This commit is contained in:
Bob Lee
2009-09-23 11:21:22 -07:00
parent b06c9a8c8e
commit fcc3ccb976
10 changed files with 1495 additions and 433 deletions
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1613
preloaded-classes
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tools/preload/20080522.compiled
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tools/preload/20090811.compiled → tools/preload/20090922.compiled
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1
tools/preload/Android.mk
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@@ -8,6 +8,7 @@ LOCAL_SRC_FILES := \
MemoryUsage.java \
Operation.java \
Policy.java \
PrintBugReports.java \
PrintCsv.java \
PrintHtmlDiff.java \
PrintPsTree.java \

30
tools/preload/LoadedClass.java
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@@ -15,7 +15,11 @@
*/
import java.io.Serializable;
import java.util.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* A loaded class.
@@ -50,6 +54,30 @@ class LoadedClass implements Serializable, Comparable<LoadedClass> {
this.systemClass = systemClass;
}
/**
* Returns true if this class was loaded by more than one proc.
*/
boolean isSharable() {
Set<String> procNames = new HashSet<String>();
for (Operation load : loads) {
if (load.process.fromZygote()) {
procNames.add(load.process.name);
if (procNames.size() > 1) {
return true;
}
}
}
for (Operation init : initializations) {
if (init.process.fromZygote()) {
procNames.add(init.process.name);
if (procNames.size() > 1) {
return true;
}
}
}
return false;
}
void measureMemoryUsage() {
this.memoryUsage = MemoryUsage.forClass(name);
}

272
tools/preload/PrintBugReports.java Normal file
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@@ -0,0 +1,272 @@
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>&nbsp;</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);
}
}
}

5
tools/preload/Root.java
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@@ -46,7 +46,8 @@ public class Root implements Serializable {
final Map<String, LoadedClass> loadedClasses
= new HashMap<String, LoadedClass>();
MemoryUsage baseline = MemoryUsage.baseline();
// MemoryUsage baseline = MemoryUsage.baseline();
MemoryUsage baseline = MemoryUsage.NOT_AVAILABLE;
/**
* Records class loads and initializations.
@@ -73,7 +74,7 @@ public class Root implements Serializable {
if (loadedClass.systemClass) {
// Only measure memory for classes in the boot
// classpath.
loadedClass.measureMemoryUsage();
// loadedClass.measureMemoryUsage();
}
loadedClasses.put(name, loadedClass);
}

2
tools/preload/WritePreloadedClassFile.java
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@@ -32,7 +32,7 @@ public class WritePreloadedClassFile {
/**
* Preload any class that take longer to load than MIN_LOAD_TIME_MICROS us.
*/
static final int MIN_LOAD_TIME_MICROS = 1250;
static final int MIN_LOAD_TIME_MICROS = 1000;
public static void main(String[] args) throws IOException,
ClassNotFoundException {

2
tools/preload/preload.ipr
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@@ -364,7 +364,7 @@
</component>
<component name="ProjectFileVersion" converted="true" />
<component name="ProjectKey">
<option name="state" value="project:///Volumes/Android/donut/frameworks/base/tools/preload/preload.ipr" />
<option name="state" value="project:///Volumes/Android/eclair/frameworks/base/tools/preload/preload.ipr" />
</component>
<component name="ProjectModuleManager">
<modules>

3
tools/preload/sorttable.js
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@@ -6,7 +6,7 @@
Instructions:
Download this file
Add <script src="sorttable.js"></script> to your HTML
Add <script src="sorttable.js"> to your HTML
Add class="sortable" to any table you'd like to make sortable
Click on the headers to sort
@@ -88,6 +88,7 @@ sorttable = {
}
// make it clickable to sort
headrow[i].sorttable_columnindex = i;
headrow[i].style.cursor = "pointer";
headrow[i].sorttable_tbody = table.tBodies[0];
dean_addEvent(headrow[i],"click", function(e) {