JDK 11 jdk.jfr.jmod - JFR Module

JDK 11 jdk.jfr.jmod is the JMOD file for JDK 11 JFR module.

JDK 11 JFR module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jfr.jmod.

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

JDK 11 JFR module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jfr.

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

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jdk/jfr/internal/Cutoff.java

/*
 * Copyright (c) 2016, 2018, 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;

import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import jdk.jfr.MetadataDefinition;

/**
 * Event annotation, determines the cutoff above which an event should not be
 * recorded, i.e. {@code "20 ms"}.
 *
 * This settings is only supported for JVM events,
 *
 * @since 9
 */
@MetadataDefinition
@Target({ ElementType.TYPE })
@Inherited
@Retention(RetentionPolicy.RUNTIME)
public @interface Cutoff {
    /**
     * Settings name {@code "cutoff"} for configuring event cutoffs.
     */
    public final static String NAME = "cutoff";
    public final static String INIFITY = "infinity";

    /**
     * Cutoff, for example {@code "20 ms"}.
     * <p>
     * String representation of a positive {@code Long} value followed by an empty
     * space and one of the following units<br>
     * <br>
     * {@code "ns"} (nanoseconds)<br>
     * {@code "us"} (microseconds)<br>
     * {@code "ms"} (milliseconds)<br>
     * {@code "s"} (seconds)<br>
     * {@code "m"} (minutes)<br>
     * {@code "h"} (hours)<br>
     * {@code "d"} (days)<br>
     * <p>
     * Example values, {@code "0 ns"}, {@code "10 ms"} and {@code "1 s"}. If the
     * events has an infinite timespan, the text {@code"infinity"} should be used.
     *
     * @return the threshold, default {@code "0 ns"} not {@code null}
     */
    String value() default "inifity";
}

jdk/jfr/internal/Cutoff.java

 

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