JDK 11 jdk.jcmd.jmod is the JMOD file for JDK 11 JCmd tool, which can be invoked by the "jcmd" command.

JDK 11 JCmd tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jcmd.jmod.

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

JDK 11 JCmd source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jcmd.

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

⏎ sun/tools/jstat/Scale.java

/*
 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package sun.tools.jstat;

import java.util.*;

/**
 * A typesafe enumeration for describing data scaling semantics
 *
 * @author Brian Doherty
 * @since 1.5
 */
public class Scale {
    private static int nextOrdinal = 0;
    private static HashMap<String, Scale> map = new HashMap<String, Scale>();

    private final String name;
    private final int ordinal = nextOrdinal++;
    private final double factor;

    private Scale(String name, double factor) {
        this.name = name;
        this.factor = factor;
        assert !map.containsKey(name);
        map.put(name, this);
    }

    /**
     * Scale representing a no scaling
     */
    public static final Scale RAW = new Scale("raw", 1);

    /**
     * Scale representing a percent scaling
     */
    public static final Scale PERCENT = new Scale("percent", 1/100);

    /**
     * Scale representing a kilo scaling
     */
    public static final Scale KILO = new Scale("K", 1024);

    /**
     * Scale representing a mega scaling
     */
    public static final Scale MEGA = new Scale("M", 1024*1024);

    /**
     * Scale representing a giga scaling
     */
    public static final Scale GIGA = new Scale("G", 1024*1024*1024);

    /**
     * Scale representing a tera scaling
     */
    public static final Scale TERA = new Scale("T", 1024*1024*1024*1024);

    /**
     * Scale representing a tera scaling
     */
    public static final Scale PETA = new Scale("P", 1024*1024*1024*1024*1024);

    /**
     * Scale representing a pico scaling
     */
    public static final Scale PICO = new Scale("p", 10.0E-12);

    /**
     * Scale representing a nano scaling
     */
    public static final Scale NANO = new Scale("n", 10.0E-9);

    /**
     * Scale representing a micro scaling
     */
    public static final Scale MICRO = new Scale("u", 10.0E-6);

    /**
     * Scale representing a milli scaling
     */
    public static final Scale MILLI = new Scale("m", 10.0E-3);

    /**
     * Scale representing a picosecond scaling
     */
    public static final Scale PSEC = new Scale("ps", 10.0E-12);

    /**
     * Scale representing a nanosecond scaling
     */
    public static final Scale NSEC = new Scale("ns", 10.0E-9);

    /**
     * Scale representing a microsecond scaling
     */
    public static final Scale USEC = new Scale("us", 10.0E-6);

    /**
     * Scale representing a millisecond scaling
     */
    public static final Scale MSEC = new Scale("ms", 10.0E-3);

    /**
     * Scale representing a second scaling
     */
    public static final Scale SEC = new Scale("s", 1);
    public static final Scale SEC2 = new Scale("sec", 1);

    /**
     * Scale representing a minutes scaling
     */
    public static final Scale MINUTES = new Scale("min", 1/60.0);

    /**
     * Scale representing a hours scaling
     */
    public static final Scale HOUR = new Scale("h", 1/(60.0*60.0));
    public static final Scale HOUR2 = new Scale("hour", 1/(60.0*60.0));

    /**
     * Returns the scaling factor of this Scale object
     *
     * @return  the scaling factor of this Scale object
     */
    public double getFactor() {
        return factor;
    }

    /**
     * Returns the string representation of this Scale object.
     * The string representation is the name of the Scale object.
     *
     * @return  the string representation of this Scale object
     */
    public String toString() {
        return name;
    }

    /**
     * Maps a string to its corresponding Scale object.
     *
     * @param   s  a string to match against Scale objects.
     * @return     The Scale object matching the given string.
     */
    public static Scale toScale(String s) {
        return map.get(s);
    }

    /**
     * Returns an enumeration of the keys for this enumerated type
     *
     * @param   s  an string to match against Scale objects.
     * @return     The Scale object matching the given string.
     */
    protected static Set<String> keySet() {
        return map.keySet();
    }

    protected double scale(double value) {
        return value/factor;
    }
}

⏎ sun/tools/jstat/Scale.java

Or download all of them as a single archive file:

File name: jdk.jcmd-11.0.1-src.zip
File size: 47892 bytes
Release date: 2018-11-04
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