1 files changed, 142 insertions, 0 deletions
diff --git a/tools/preload/PrintHtmlDiff.java b/tools/preload/PrintHtmlDiff.java
new file mode 100644
index 000000000000..b101c85185c0
--- /dev/null
+++ b/tools/preload/PrintHtmlDiff.java
@@ -0,0 +1,142 @@
+/*
+ * 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>");
+    }
+}