jdk8-mips64-public/hotspot: agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java@a8ea2f110d87 (annotated)

agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java@a8ea2f110d87 (annotated)

agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java

Tue, 26 Aug 2014 09:36:53 +0200

author: tschatzl
date: Tue, 26 Aug 2014 09:36:53 +0200
changeset 7091: a8ea2f110d87
parent 7050: 6701abbc4441
child 7118: 227a9e5e4b4a
permissions: -rw-r--r--

8054819: Rename HeapRegionSeq to HeapRegionManager
Reviewed-by: jwilhelm, jmasa

 /*
  * 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
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 package sun.jvm.hotspot.gc_implementation.g1;
 import java.util.Iterator;
 import java.util.Observable;
 import java.util.Observer;
 import sun.jvm.hotspot.debugger.Address;
 import sun.jvm.hotspot.gc_interface.CollectedHeapName;
 import sun.jvm.hotspot.memory.MemRegion;
 import sun.jvm.hotspot.memory.SharedHeap;
 import sun.jvm.hotspot.memory.SpaceClosure;
 import sun.jvm.hotspot.runtime.VM;
 import sun.jvm.hotspot.runtime.VMObjectFactory;
 import sun.jvm.hotspot.types.AddressField;
 import sun.jvm.hotspot.types.CIntegerField;
 import sun.jvm.hotspot.types.Type;
 import sun.jvm.hotspot.types.TypeDataBase;
 // Mirror class for G1CollectedHeap.
 public class G1CollectedHeap extends SharedHeap {
     // HeapRegionManager _hrm;
     static private long hrmFieldOffset;
     // MemRegion _g1_reserved;
     static private long g1ReservedFieldOffset;
     // size_t _summary_bytes_used;
     static private CIntegerField summaryBytesUsedField;
     // G1MonitoringSupport* _g1mm;
     static private AddressField g1mmField;
     // HeapRegionSet _old_set;
     static private long oldSetFieldOffset;
     // HeapRegionSet _humongous_set;
     static private long humongousSetFieldOffset;
     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("G1CollectedHeap");
         hrmFieldOffset = type.getField("_hrm").getOffset();
         summaryBytesUsedField = type.getCIntegerField("_summary_bytes_used");
         g1mmField = type.getAddressField("_g1mm");
         oldSetFieldOffset = type.getField("_old_set").getOffset();
         humongousSetFieldOffset = type.getField("_humongous_set").getOffset();
     }
     public long capacity() {
         return hrm().capacity();
     }
     public long used() {
         return summaryBytesUsedField.getValue(addr);
     }
     public long n_regions() {
         return hrm().length();
     }
     private HeapRegionManager hrm() {
         Address hrmAddr = addr.addOffsetTo(hrmFieldOffset);
         return (HeapRegionManager) VMObjectFactory.newObject(HeapRegionManager.class,
                                                          hrmAddr);
     }
     public G1MonitoringSupport g1mm() {
         Address g1mmAddr = g1mmField.getValue(addr);
         return (G1MonitoringSupport) VMObjectFactory.newObject(G1MonitoringSupport.class, g1mmAddr);
     }
     public HeapRegionSetBase oldSet() {
         Address oldSetAddr = addr.addOffsetTo(oldSetFieldOffset);
         return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
                                                              oldSetAddr);
     }
     public HeapRegionSetBase humongousSet() {
         Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
         return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
                                                              humongousSetAddr);
     }
     private Iterator<HeapRegion> heapRegionIterator() {
         return hrm().heapRegionIterator();
     }
     public void heapRegionIterate(SpaceClosure scl) {
         Iterator<HeapRegion> iter = heapRegionIterator();
         while (iter.hasNext()) {
             HeapRegion hr = iter.next();
             scl.doSpace(hr);
         }
     }
     public CollectedHeapName kind() {
         return CollectedHeapName.G1_COLLECTED_HEAP;
     }
     public G1CollectedHeap(Address addr) {
         super(addr);
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java@a8ea2f110d87 (annotated)

agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java