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.

⏎ sun/jvm/hotspot/gc/cms/AdaptiveFreeList.java

/*
 * @(#)AdaptiveFreeList.java
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 * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.jvm.hotspot.gc.cms;

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;

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

  private static synchronized void initialize(TypeDataBase db) {
    Type type = db.lookupType("AdaptiveFreeList<FreeChunk>");
    sizeField = type.getCIntegerField("_size");
    countField = type.getCIntegerField("_count");
    headerSize = type.getSize();
  }

  // Fields
  private static CIntegerField sizeField;
  private static CIntegerField countField;
  private static long          headerSize;

  //Constructor
  public AdaptiveFreeList(Address address) {
    super(address);
  }

  // Accessors
  public long size() {
    return sizeField.getValue(addr);
  }

  public long count() {
    return  countField.getValue(addr);
  }

  public static long sizeOf() {
    return headerSize;
  }
}

⏎ sun/jvm/hotspot/gc/cms/AdaptiveFreeList.java

Or download all of them as a single archive file:

File name: jdk.hotspot.agent-11.0.1-src.zip
File size: 1243786 bytes
Release date: 2018-11-04
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