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/tools/HeapDumper.java

/*
 * Copyright (c) 2005, 2013, 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.tools;

import sun.jvm.hotspot.utilities.HeapHprofBinWriter;
import sun.jvm.hotspot.debugger.JVMDebugger;

import java.io.IOException;

/*
 * This tool is used by the JDK jmap utility to dump the heap of the target
 * process/core as a HPROF binary file. It can also be used as a standalone
 * tool if required.
 */
public class HeapDumper extends Tool {

    private static String DEFAULT_DUMP_FILE = "heap.bin";

    private String dumpFile;

    public HeapDumper() {
        this.dumpFile = DEFAULT_DUMP_FILE;
    }

    public HeapDumper(String dumpFile) {
        this.dumpFile = dumpFile;
    }

    public HeapDumper(String dumpFile, JVMDebugger d) {
        super(d);
        this.dumpFile = dumpFile;
    }

    @Override
    public String getName() {
        return "heapDumper";
    }

    protected void printFlagsUsage() {
        System.out.println("    <no option>\tto dump heap to " +
            DEFAULT_DUMP_FILE);
        System.out.println("    -f <file>\tto dump heap to <file>");
        super.printFlagsUsage();
    }

    // use HeapHprofBinWriter to write the heap dump
    public void run() {
        System.out.println("Dumping heap to " + dumpFile + " ...");
        try {
            new HeapHprofBinWriter().write(dumpFile);
            System.out.println("Heap dump file created");
        } catch (IOException ioe) {
            System.err.println(ioe.getMessage());
        }
    }

    // JDK jmap utility will always invoke this tool as:
    //   HeapDumper -f <file> <args...>
    public static void main(String args[]) {
        HeapDumper dumper = new HeapDumper();
        dumper.runWithArgs(args);
    }

    public void runWithArgs(String... args) {
        if (args.length > 2) {
            if (args[0].equals("-f")) {
                this.dumpFile = args[1];
                String[] newargs = new String[args.length-2];
                System.arraycopy(args, 2, newargs, 0, args.length-2);
                args = newargs;
            }
        }

        execute(args);
    }

}

⏎ sun/jvm/hotspot/tools/HeapDumper.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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