JDK 17 jdk.hotspot.agent.jmod is the JMOD file for JDK 17 Hotspot Agent module.

JDK 17 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.hotspot.agent.jmod.

JDK 17 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Hotspot Agent module source code files are stored in \fyicenter\jdk-17.0.5\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/g1/G1MonitoringSupport.java

/*
 * Copyright (c) 2011, 2020, 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.g1;

import sun.jvm.hotspot.utilities.Observable;
import sun.jvm.hotspot.utilities.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;

// Mirror class for G1MonitoringSupport.

public class G1MonitoringSupport extends VMObject {
    // size_t _eden_space_committed;
    static private CIntegerField edenSpaceCommittedField;
    // size_t _eden_space_used;
    static private CIntegerField edenSpaceUsedField;
    // size_t _survivor_space_committed;
    static private CIntegerField survivorSpaceCommittedField;
    // size_t _survivor_space_used;
    static private CIntegerField survivorSpaceUsedField;
    // size_t _old_gen_committed;
    static private CIntegerField oldGenCommittedField;
    // size_t _old_gen_used;
    static private CIntegerField oldGenUsedField;

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

    static private synchronized void initialize(TypeDataBase db) {
        Type type = db.lookupType("G1MonitoringSupport");

        edenSpaceCommittedField = type.getCIntegerField("_eden_space_committed");
        edenSpaceUsedField = type.getCIntegerField("_eden_space_used");
        survivorSpaceCommittedField = type.getCIntegerField("_survivor_space_committed");
        survivorSpaceUsedField = type.getCIntegerField("_survivor_space_used");
        oldGenCommittedField = type.getCIntegerField("_old_gen_committed");
        oldGenUsedField = type.getCIntegerField("_old_gen_used");
    }

    public long edenSpaceCommitted() {
        return edenSpaceCommittedField.getValue(addr);
    }

    public long edenSpaceUsed() {
        return edenSpaceUsedField.getValue(addr);
    }

    public long edenSpaceRegionNum() {
        return edenSpaceUsed() / HeapRegion.grainBytes();
    }

    public long survivorSpaceCommitted() {
        return survivorSpaceCommittedField.getValue(addr);
    }

    public long survivorSpaceUsed() {
        return survivorSpaceUsedField.getValue(addr);
    }

    public long survivorSpaceRegionNum() {
        return survivorSpaceUsed() / HeapRegion.grainBytes();
    }

    public long oldGenCommitted() {
        return oldGenCommittedField.getValue(addr);
    }

    public long oldGenUsed() {
        return oldGenUsedField.getValue(addr);
    }

    public G1MonitoringSupport(Address addr) {
        super(addr);
    }
}

⏎ sun/jvm/hotspot/gc/g1/G1MonitoringSupport.java

Or download all of them as a single archive file:

File name: jdk.hotspot.agent-17.0.5-src.zip
File size: 1238587 bytes
Release date: 2022-09-13
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