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/settings/ThresholdSetting.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.settings;

import java.util.Objects;
import java.util.Set;

import jdk.jfr.Description;
import jdk.jfr.Label;
import jdk.jfr.MetadataDefinition;
import jdk.jfr.Name;
import jdk.jfr.Timespan;
import jdk.jfr.internal.PlatformEventType;
import jdk.jfr.internal.Control;
import jdk.jfr.internal.Type;
import jdk.jfr.internal.Utils;
@MetadataDefinition
@Label("Threshold")
@Name(Type.SETTINGS_PREFIX + "Threshold")
@Description("Record event with duration above or equal to threshold")
@Timespan
public final class ThresholdSetting extends Control {
    private final static long typeId = Type.getTypeId(ThresholdSetting.class);
    private String value = "0 ns";
    private final PlatformEventType eventType;

    public ThresholdSetting(PlatformEventType eventType, String defaultValue) {
       super(defaultValue);
       this.eventType = Objects.requireNonNull(eventType);
    }

    @Override
    public String combine(Set<String> values) {
        long min = Long.MAX_VALUE;
        String text = "0 ns";
        for (String value : values) {
            long l = Utils.parseTimespan(value);
            if (l < min) {
                text = value;
                min = l;
            }
        }
        return text;
    }

    @Override
    public void setValue(String value) {
        long l = Utils.parseTimespan(value);
        this.value = value;
        eventType.setThreshold(l);
    }

    @Override
    public String getValue() {
        return value;
    }

    public static boolean isType(long typeId) {
        return ThresholdSetting.typeId == typeId;
    }
}

jdk/jfr/internal/settings/ThresholdSetting.java

 

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