| /* |
| * Copyright (C) 2008 Google Inc. |
| * |
| * 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. |
| */ |
| |
| package com.android.hit; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| |
| public class Heap { |
| String mName; |
| |
| // List of individual stack frames |
| HashMap<Long, StackFrame> mFrames = new HashMap<Long, StackFrame>(); |
| |
| // List stack traces, which are lists of stack frames |
| HashMap<Integer, StackTrace> mTraces = new HashMap<Integer, StackTrace>(); |
| |
| // Root objects such as interned strings, jni locals, etc |
| ArrayList<RootObj> mRoots = new ArrayList<RootObj>(); |
| |
| // List of threads |
| HashMap<Integer, ThreadObj> mThreads = new HashMap<Integer, ThreadObj>(); |
| |
| // Class definitions |
| HashMap<Long, ClassObj> mClassesById = new HashMap<Long, ClassObj>(); |
| HashMap<String, ClassObj> mClassesByName = new HashMap<String, ClassObj>(); |
| |
| // List of instances of above class definitions |
| HashMap<Long, Instance> mInstances = new HashMap<Long, Instance>(); |
| |
| // The super-state that this heap is part of |
| State mState; |
| |
| public Heap(String name) { |
| mName = name; |
| } |
| |
| public final void addStackFrame(StackFrame theFrame) { |
| mFrames.put(theFrame.mId, theFrame); |
| } |
| |
| public final StackFrame getStackFrame(long id) { |
| return mFrames.get(id); |
| } |
| |
| public final void addStackTrace(StackTrace theTrace) { |
| mTraces.put(theTrace.mSerialNumber, theTrace); |
| } |
| |
| public final StackTrace getStackTrace(int traceSerialNumber) { |
| return mTraces.get(traceSerialNumber); |
| } |
| |
| public final StackTrace getStackTraceAtDepth(int traceSerialNumber, |
| int depth) { |
| StackTrace trace = mTraces.get(traceSerialNumber); |
| |
| if (trace != null) { |
| trace = trace.fromDepth(depth); |
| } |
| |
| return trace; |
| } |
| |
| public final void addRoot(RootObj root) { |
| root.mIndex = mRoots.size(); |
| mRoots.add(root); |
| } |
| |
| public final void addThread(ThreadObj thread, int serialNumber) { |
| mThreads.put(serialNumber, thread); |
| } |
| |
| public final ThreadObj getThread(int serialNumber) { |
| return mThreads.get(serialNumber); |
| } |
| |
| public final void addInstance(long id, Instance instance) { |
| mInstances.put(id, instance); |
| } |
| |
| public final Instance getInstance(long id) { |
| return mInstances.get(id); |
| } |
| |
| public final void addClass(long id, ClassObj theClass) { |
| mClassesById.put(id, theClass); |
| mClassesByName.put(theClass.mClassName, theClass); |
| } |
| |
| public final ClassObj getClass(long id) { |
| return mClassesById.get(id); |
| } |
| |
| public final ClassObj getClass(String name) { |
| return mClassesByName.get(name); |
| } |
| |
| public final void dumpInstanceCounts() { |
| for (ClassObj theClass: mClassesById.values()) { |
| int count = theClass.mInstances.size(); |
| |
| if (count > 0) { |
| System.out.println(theClass + ": " + count); |
| } |
| } |
| } |
| |
| public final void dumpSubclasses() { |
| for (ClassObj theClass: mClassesById.values()) { |
| int count = theClass.mSubclasses.size(); |
| |
| if (count > 0) { |
| System.out.println(theClass); |
| theClass.dumpSubclasses(); |
| } |
| } |
| } |
| |
| public final void dumpSizes() { |
| for (ClassObj theClass: mClassesById.values()) { |
| int size = 0; |
| |
| for (Instance instance: theClass.mInstances) { |
| size += instance.getCompositeSize(); |
| } |
| |
| if (size > 0) { |
| System.out.println(theClass + ": base " + theClass.getSize() |
| + ", composite " + size); |
| } |
| } |
| } |
| |
| /* |
| * Spin through all of the class instances and link them to their |
| * parent class definition objects. Then have each instance resolve |
| * its own internal object references. |
| */ |
| public final void resolveInstanceRefs(State state) { |
| for (Instance instance : mInstances.values()) { |
| ClassObj theClass = mClassesById.get(instance.mClassId); |
| |
| if (theClass == null) { |
| continue; |
| } |
| |
| String name = theClass.mClassName; |
| String superclassName = "none"; |
| ClassObj superClass = mClassesById.get(theClass.mSuperclassId); |
| |
| if (superClass != null) { |
| superclassName = superClass.mClassName; |
| } |
| |
| theClass.addInstance(instance); |
| instance.resolveReferences(state); |
| } |
| } |
| |
| public final void resolveClassStatics(State state) { |
| for (ClassObj theClass: mClassesById.values()) { |
| theClass.resolveReferences(state); |
| } |
| } |
| |
| public final void resolveRoots(State state) { |
| for (RootObj root: mRoots) { |
| root.resolveReferences(state); |
| } |
| } |
| } |