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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.jfr.api.consumer;
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import jdk.jfr.Recording;
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import jdk.jfr.consumer.RecordedEvent;
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import jdk.jfr.consumer.RecordedThread;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.jfr.Events;
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import jdk.test.lib.jfr.SimpleEvent;
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/**
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* @test
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* @summary Tests that chunks are read in order and constant pools from multiple chunks can be read
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* @key jfr
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* @requires vm.hasJFR
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* @library /test/lib
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* @run main/othervm jdk.jfr.api.consumer.TestRecordingInternals
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*/
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public class TestRecordingInternals {
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public static void main(String[] args) throws Throwable {
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try (Recording continuous = new Recording()) {
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continuous.start();
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for (int i = 0; i < 3; i++) {
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// Each new recording will create a new chunk
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// with a new set of constant pools, i.e.
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// constant pools for threads and thread groups
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createProfilingRecording(i);
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}
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continuous.stop();
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int i = 0;
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for (RecordedEvent e : Events.fromRecording(continuous)) {
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Integer id = e.getValue("id");
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RecordedThread rt = e.getThread();
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Asserts.assertEquals(id.toString(), rt.getJavaName(), "Thread name should match id");
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Asserts.assertEquals(id.toString(), rt.getThreadGroup().getName(), "Thread group name should match id");
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Asserts.assertEquals(id, Integer.valueOf(i), "Chunks out of order");
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i++;
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System.out.println(i + " OK ");
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}
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}
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}
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private static void createProfilingRecording(int id) throws InterruptedException {
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try (Recording r = new Recording()) {
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r.start();
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ThreadGroup tg = new ThreadGroup(String.valueOf(id));
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Thread t = new Thread(tg, () -> {
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SimpleEvent event = new SimpleEvent();
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event.id = id;
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event.commit();
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}, String.valueOf(id));
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t.start();
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t.join();
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r.stop();
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}
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}
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}
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