/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.jvm.hotspot.gc_implementation.g1;
import java.util.Observable;
import java.util.Observer;
import sun.jvm.hotspot.debugger.Address;
import sun.jvm.hotspot.runtime.VM;
import sun.jvm.hotspot.runtime.VMObject;
import sun.jvm.hotspot.types.CIntegerField;
import sun.jvm.hotspot.types.Type;
import sun.jvm.hotspot.types.TypeDataBase;
// Mirror class for G1MonitoringSupport.
public class G1MonitoringSupport extends VMObject {
// size_t _eden_committed;
static private CIntegerField edenCommittedField;
// size_t _eden_used;
static private CIntegerField edenUsedField;
// size_t _survivor_committed;
static private CIntegerField survivorCommittedField;
// size_t _survivor_used;
static private CIntegerField survivorUsedField;
// size_t _old_committed;
static private CIntegerField oldCommittedField;
// size_t _old_used;
static private CIntegerField oldUsedField;
static {
VM.registerVMInitializedObserver(new Observer() {
public void update(Observable o, Object data) {
initialize(VM.getVM().getTypeDataBase());
}
});
}
static private synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("G1MonitoringSupport");
edenCommittedField = type.getCIntegerField("_eden_committed");
edenUsedField = type.getCIntegerField("_eden_used");
survivorCommittedField = type.getCIntegerField("_survivor_committed");
survivorUsedField = type.getCIntegerField("_survivor_used");
oldCommittedField = type.getCIntegerField("_old_committed");
oldUsedField = type.getCIntegerField("_old_used");
}
public long edenCommitted() {
return edenCommittedField.getValue(addr);
}
public long edenUsed() {
return edenUsedField.getValue(addr);
}
public long edenRegionNum() {
return edenUsed() / HeapRegion.grainBytes();
}
public long survivorCommitted() {
return survivorCommittedField.getValue(addr);
}
public long survivorUsed() {
return survivorUsedField.getValue(addr);
}
public long survivorRegionNum() {
return survivorUsed() / HeapRegion.grainBytes();
}
public long oldCommitted() {
return oldCommittedField.getValue(addr);
}
public long oldUsed() {
return oldUsedField.getValue(addr);
}
public G1MonitoringSupport(Address addr) {
super(addr);
}
}