From 9d2d6e14b0932b6a74e01f393d5efed61458941b Mon Sep 17 00:00:00 2001 From: Bob Lee Date: Thu, 13 Aug 2009 14:41:54 -0700 Subject: Simplified algorithm used to generate the preloaded-classes list. Generated a new preloaded-classes file. --- tools/preload/PrintHtmlDiff.java | 142 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 tools/preload/PrintHtmlDiff.java (limited to 'tools/preload/PrintHtmlDiff.java') 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 zygote = new HashSet(); + for (Proc proc : root.processes.values()) { + if (proc.name.equals("zygote")) { + for (Operation op : proc.operations) { + zygote.add(op.loadedClass); + } + break; + } + } + + Set removed = new TreeSet(); + Set added = new TreeSet(); + + 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(""); + out.println(""); + out.println(""); + out.println("

Removed"); + out.println("

Added

"); + printTable(out, root.baseline, added); + out.println("

Removed

Name	Load Time (us)	Loaded By	Heap (B)	Pages
" + clazz.name + "	" + clazz.medianTimeMicros() + "	"); + Set procNames = new TreeSet(); + 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 + " "); + } + } else { + Iterator i = procNames.iterator(); + out.print(i.next() + " "); + out.print(i.next() + " "); + out.print("...and " + (procNames.size() - 2) + + " others."); + } + out.println("	" + (subtracted.javaHeapSize() + + subtracted.nativeHeapSize) + "	" + subtracted.totalPages() + "	n/a

"); + } +} -- cgit v1.2.3-59-g8ed1b