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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.
✍: FYIcenter
⏎ jdk/jfr/consumer/package-info.java
/* * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ /** * This package contains classes for consuming Flight Recorder data. * <p> * In the following example, the program prints a histogram of all method samples in a recording. * <pre> * <code> * public static void main(String[] args) { * if (args.length != 0) { * System.out.println("Must specify recording file."); * return; * } * try (RecordingFile f = new RecordingFile(Paths.get(args[0]))) { * Map{@literal <}String, SimpleEntry{@literal <}String, Integer{@literal >}{@literal >} histogram = new HashMap{@literal <}{@literal >}(); * int total = 0; * while (f.hasMoreEvents()) { * RecordedEvent event = f.readEvent(); * if (event.getEventType().getName().equals("jdk.ExecutionSample")) { * RecordedStackTrace s = event.getStackTrace(); * if (s != null) { * RecordedFrame topFrame= s.getFrames().get(0); * if (topFrame.isJavaFrame()) { * RecordedMethod method = topFrame.getMethod(); * String methodName = method.getType().getName() + "#" + method.getName() + " " + method.getDescriptor(); * Entry entry = histogram.computeIfAbsent(methodName, u -{@literal >} new SimpleEntry{@literal <}String, Integer{@literal >}(methodName, 0)); * entry.setValue(entry.getValue() + 1); * total++; * } * } * } * } * List{@literal <}SimpleEntry{@literal <}String, Integer{@literal >}{@literal >} entries = new ArrayList{@literal <}{@literal >}(histogram.values()); * entries.sort((u, v) -{@literal >} v.getValue().compareTo(u.getValue())); * for (SimpleEntry{@literal <}String, Integer{@literal >} c : entries) { * System.out.printf("%2.0f%% %s\n", 100 * (float) c.getValue() / total, c.getKey()); * } * System.out.println("\nSample count: " + total); * } catch (IOException ioe) { * System.out.println("Error reading file " + args[0] + ". " + ioe.getMessage()); * } * } * </code> * </pre> * <p> * <b>Null-handling</b> * <p> * All methods define whether they accept or return {@code null} in the Javadoc. * Typically this is expressed as {@code "not null"}. If a {@code null} * parameter is used where it is not allowed, a * {@code java.lang.NullPointerException} is thrown. If a {@code null} * parameters is passed to a method that throws other exceptions, such as * {@code java.io.IOException}, the {@code java.lang.NullPointerException} takes * precedence, unless the Javadoc for the method explicitly states how * {@code null} is handled, i.e. by throwing {@code java.lang.IllegalArgumentException}. * * @since 9 */ package jdk.jfr.consumer;
⏎ jdk/jfr/consumer/package-info.java
Or download all of them as a single archive file:
File name: jdk.jfr-11.0.1-src.zip File size: 237632 bytes Release date: 2018-11-04 Download
⇒ JDK 11 jdk.jlink.jmod - JLink Tool
2020-06-30, 44049👍, 0💬
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