JDK 11 jdk.hotspot.agent.jmod - Hotspot Agent Module

JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.

JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.

JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java

/*
 * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.jvm.hotspot.gc.epsilon;

import java.io.*;
import java.util.*;

import sun.jvm.hotspot.gc.shared.*;
import sun.jvm.hotspot.code.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.memory.*;

public class EpsilonHeap extends CollectedHeap {

  private static AddressField spaceField;
  private static Field virtualSpaceField;
  private ContiguousSpace space;
  private VirtualSpace virtualSpace;

  static {
    VM.registerVMInitializedObserver(new Observer() {
        public void update(Observable o, Object data) {
          initialize(VM.getVM().getTypeDataBase());
        }
      });
  }

  private static void initialize(TypeDataBase db) {
    Type type = db.lookupType("EpsilonHeap");
    spaceField = type.getAddressField("_space");
    virtualSpaceField = type.getField("_virtual_space");
  }

  public EpsilonHeap(Address addr) {
    super(addr);
    space = new ContiguousSpace(spaceField.getValue(addr));
    virtualSpace = new VirtualSpace(addr.addOffsetTo(virtualSpaceField.getOffset()));
  }

  @Override
  public CollectedHeapName kind() {
    return CollectedHeapName.EPSILON;
  }

  public ContiguousSpace space() {
    return space;
  }

  @Override
  public void printOn(PrintStream tty) {
     MemRegion mr = reservedRegion();
     tty.println("Epsilon heap");
     tty.println(" reserved:  [" + mr.start() + ", " + mr.end() + "]");
     tty.println(" committed: [" + virtualSpace.low() + ", " + virtualSpace.high() + "]");
     tty.println(" used:      [" + space.bottom() + ", " + space.top() + "]");
  }

}

sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java

 

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