Add a new preload tool based on hprof dumps. This means that only a userdebug build (to adjust the pre-existing preloaded-classes file) is required now, not a recompiled runtime. Change-Id: Ib0c00de3b248e49fa8271cbace67c5d4a50170a1
91 lines
2.4 KiB
Java
91 lines
2.4 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.preload;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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/**
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* Holds the collected data for a process.
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*/
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public class DumpData {
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/**
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* Name of the package (=application).
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*/
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String packageName;
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/**
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* A map of class name to a string for the classloader. This may be a toString equivalent,
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* or just a unique ID.
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*/
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Map<String, String> dumpData;
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/**
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* The Date when this data was captured. Mostly for display purposes.
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*/
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Date date;
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/**
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* A cached value for the number of boot classpath classes (classloader value in dumpData is
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* null).
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*/
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int bcpClasses;
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public DumpData(String packageName, Map<String, String> dumpData, Date date) {
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this.packageName = packageName;
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this.dumpData = dumpData;
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this.date = date;
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countBootClassPath();
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}
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public String getPackageName() {
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return packageName;
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}
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public Date getDate() {
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return date;
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}
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public Map<String, String> getDumpData() {
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return dumpData;
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}
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public void countBootClassPath() {
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bcpClasses = 0;
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for (Map.Entry<String, String> e : dumpData.entrySet()) {
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if (e.getValue() == null) {
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bcpClasses++;
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}
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}
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}
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// Return an inverted mapping.
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public Map<String, Set<String>> invertData() {
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Map<String, Set<String>> ret = new HashMap<>();
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for (Map.Entry<String, String> e : dumpData.entrySet()) {
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if (!ret.containsKey(e.getValue())) {
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ret.put(e.getValue(), new HashSet<String>());
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}
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ret.get(e.getValue()).add(e.getKey());
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}
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return ret;
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}
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} |