JDK 17 jdk.jfr.jmod is the JMOD file for JDK 17 JFR module.

JDK 17 JFR module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.jfr.jmod.

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

JDK 17 JFR module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.jfr.

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

⏎ jdk/jfr/internal/instrument/RandomAccessFileInstrumentor.java

/*
 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.jfr.internal.instrument;

import java.io.IOException;

import jdk.jfr.events.Handlers;
import jdk.jfr.internal.handlers.EventHandler;

/**
 * See {@link JITracer} for an explanation of this code.
 */
@JIInstrumentationTarget("java.io.RandomAccessFile")
final class RandomAccessFileInstrumentor {

    private RandomAccessFileInstrumentor() {
    }

    private String path;

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public int read() throws IOException {
        EventHandler handler = Handlers.FILE_READ;
        if (!handler.isEnabled()) {
            return read();
        }
        int result = 0;
        long bytesRead = 0;
        boolean endOfFile = false;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            result = read();
            if (result < 0) {
                endOfFile = true;
            } else {
                bytesRead = 1;
            }
        } finally {
            long duration = EventHandler.timestamp() - start;
            if (handler.shouldCommit(duration)) {
                handler.write(start, duration, path, bytesRead, endOfFile);
            }
        }
        return result;
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public int read(byte b[]) throws IOException {
        EventHandler handler = Handlers.FILE_READ;
        if (!handler.isEnabled()) {
            return read(b);
        }
        int bytesRead = 0;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            bytesRead = read(b);
        } finally {
            long duration = EventHandler.timestamp() - start;
            if (handler.shouldCommit(duration)) {
                if (bytesRead < 0) {
                    handler.write(start, duration, path, 0L, true);
                } else {
                    handler.write(start, duration, path, bytesRead, false);
                }
            }
        }
        return bytesRead;
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public int read(byte b[], int off, int len) throws IOException {
        EventHandler handler = Handlers.FILE_READ;
        if (!handler.isEnabled()) {
            return read(b, off, len);
        }
        int bytesRead = 0;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            bytesRead = read(b, off, len);
        } finally {
            long duration = EventHandler.timestamp() - start;
            if (handler.shouldCommit(duration)) {
                if (bytesRead < 0) {
                    handler.write(start, duration, path, 0L, true);
                } else {
                    handler.write(start, duration, path, bytesRead, false);
                }
            }
        }
        return bytesRead;
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(int b) throws IOException {
        EventHandler handler = Handlers.FILE_WRITE;
        if (!handler.isEnabled()) {
            write(b);
            return;
        }
        long bytesWritten = 0;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            write(b);
            bytesWritten = 1;
        } finally {
            long duration = EventHandler.timestamp() - start;
            if (handler.shouldCommit(duration)) {
                handler.write(start, duration, path, bytesWritten);
            }
        }
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(byte b[]) throws IOException {
        EventHandler handler = Handlers.FILE_WRITE;
        if (!handler.isEnabled()) {
            write(b);
            return;
        }
        long bytesWritten = 0;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            write(b);
            bytesWritten = b.length;
        } finally {
            long duration = EventHandler.timestamp();
            if (handler.shouldCommit(duration)) {
                handler.write(start, duration, path, bytesWritten);
            }
        }
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(byte b[], int off, int len) throws IOException {
        EventHandler handler = Handlers.FILE_WRITE;
        if (!handler.isEnabled()) {
            write(b, off, len);
            return;
        }
        long bytesWritten = 0;
        long start = 0;
        try {
            start = EventHandler.timestamp();
            write(b, off, len);
            bytesWritten = len;
        } finally {
            long duration = EventHandler.timestamp() - start;
            if (handler.shouldCommit(duration)) {
                handler.write(start, duration, path, bytesWritten);
            }
        }
    }
}

⏎ jdk/jfr/internal/instrument/RandomAccessFileInstrumentor.java

Or download all of them as a single archive file:

File name: jdk.jfr-17.0.5-src.zip
File size: 363343 bytes
Release date: 2022-09-13
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