author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 35217 | hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/parallel/PSOldGen.java@ce4b5303a813 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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package sun.jvm.hotspot.gc.parallel; |
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import java.io.*; |
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import java.util.*; |
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import sun.jvm.hotspot.debugger.*; |
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import sun.jvm.hotspot.memory.*; |
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import sun.jvm.hotspot.runtime.*; |
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import sun.jvm.hotspot.types.*; |
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public class PSOldGen extends VMObject { |
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static { |
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VM.registerVMInitializedObserver(new Observer() { |
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public void update(Observable o, Object data) { |
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initialize(VM.getVM().getTypeDataBase()); |
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} |
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}); |
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} |
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private static synchronized void initialize(TypeDataBase db) { |
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Type type = db.lookupType("PSOldGen"); |
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objectSpaceField = type.getAddressField("_object_space"); |
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} |
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public PSOldGen(Address addr) { |
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super(addr); |
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} |
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// Fields |
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private static AddressField objectSpaceField; |
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// Accessors |
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public MutableSpace objectSpace() { |
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return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, objectSpaceField.getValue(addr)); |
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} |
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public long capacity() { |
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return objectSpace().capacity(); |
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} |
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public long used() { |
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return objectSpace().used(); |
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} |
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public boolean isIn(Address a) { |
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return objectSpace().contains(a); |
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} |
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public void printOn(PrintStream tty) { |
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tty.print("PSOldGen [ "); |
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objectSpace().printOn(tty); |
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tty.print(" ] "); |
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} |
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} |