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/parallel/PSYoungGen.java

/*
 * Copyright (c) 2003, 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.parallel;

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

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.memory.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;

public class PSYoungGen 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("PSYoungGen");
      edenSpaceField = type.getAddressField("_eden_space");
      fromSpaceField = type.getAddressField("_from_space");
      toSpaceField = type.getAddressField("_to_space");
   }

   public PSYoungGen(Address addr) {
      super(addr);
   }

   // Fields
   private static AddressField edenSpaceField;
   private static AddressField fromSpaceField;
   private static AddressField toSpaceField;

   // Accessors
   public MutableSpace edenSpace() {
      return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, edenSpaceField.getValue(addr));
   }

   public MutableSpace fromSpace() {
      return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, fromSpaceField.getValue(addr));
   }

   public MutableSpace toSpace() {
      return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, toSpaceField.getValue(addr));
   }

   public long capacity() {
      return edenSpace().capacity() + fromSpace().capacity();
   }

   public long used() {
      return edenSpace().used() + fromSpace().used();
   }

   public boolean isIn(Address a) {
      if (edenSpace().contains(a)) {
         return true;
      }

      if (fromSpace().contains(a)) {
         return true;
      }
      return false;
   }

   public void printOn(PrintStream tty) {
      tty.print("PSYoungGen [ ");
      tty.print("eden = ");
      edenSpace().printOn(tty);
      tty.print(", from = ");
      fromSpace().printOn(tty);
      tty.print(", to = ");
      toSpace().printOn(tty);
      tty.print(" ] ");
   }
}

⏎ sun/jvm/hotspot/gc/parallel/PSYoungGen.java

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