author | egahlin |
Mon, 21 Oct 2019 20:09:06 +0200 | |
branch | JEP-349-branch |
changeset 58724 | 3d0a172353fc |
parent 58687 | 222f727e9b05 |
child 58770 | 481870c3d258 |
permissions | -rw-r--r-- |
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Add EventStream::setEndTime(...) and a first stab at priviliged access to local repository
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/* |
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* Copyright (c) 2019, 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.recordingstream; |
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import java.io.IOException; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.time.Duration; |
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import java.time.Instant; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import jdk.jfr.Event; |
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import jdk.jfr.Name; |
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import jdk.jfr.Recording; |
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import jdk.jfr.StackTrace; |
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import jdk.jfr.Timestamp; |
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import jdk.jfr.consumer.EventStream; |
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import jdk.jfr.consumer.RecordedEvent; |
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import jdk.jfr.consumer.RecordingFile; |
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import jdk.jfr.consumer.RecordingStream; |
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/** |
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* @test |
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* @summary Tests EventStream::setEndTime |
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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.recordingstream.TestSetEndTime |
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*/ |
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public final class TestSetEndTime { |
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@Name("Mark") |
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@StackTrace(false) |
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public final static class Mark extends Event { |
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public boolean before; |
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} |
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public static void main(String... args) throws Exception { |
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testEventStream(); |
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testRecordingStream(); |
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} |
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@StackTrace(false) |
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public final static class Now extends Event { |
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@Timestamp(Timestamp.MILLISECONDS_SINCE_EPOCH) |
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public long timestamp; |
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} |
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private static void testRecordingStream() throws Exception { |
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try (RecordingStream rs = new RecordingStream()) { |
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AtomicBoolean fail = new AtomicBoolean(); |
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Instant endTime = Instant.now().plus(Duration.ofSeconds(1)); |
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rs.setReuse(false); |
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rs.onEvent(e -> { |
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if (e.getEndTime().isAfter(endTime)) { |
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fail.set(true); |
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} |
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}); |
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rs.setEndTime(endTime); |
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rs.startAsync(); |
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for (int i = 0; i < 100; i++) { |
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Now m = new Now(); |
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m.commit(); |
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Thread.sleep(10); |
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} |
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} |
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} |
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private static void testEventStream() throws InterruptedException, IOException, Exception { |
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try (Recording r = new Recording()) { |
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r.setFlushInterval(Duration.ofSeconds(1)); |
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r.start(); |
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Mark event1 = new Mark(); |
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event1.begin(); // start time |
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event1.before = true; |
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advanceClock(); |
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event1.commit(); |
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Mark event2 = new Mark(); |
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event2.begin(); // end time |
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advanceClock(); |
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Thread.sleep(100); |
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event2.before = false; |
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event2.commit(); |
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Path p = Paths.get("recording.jfr"); |
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r.dump(p); |
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Instant start = null; |
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Instant end = null; |
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for (RecordedEvent e : RecordingFile.readAllEvents(p)) { |
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if (e.getBoolean("before")) { |
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start = e.getStartTime(); |
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System.out.println("Start: " + start); |
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} |
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if (!e.getBoolean("before")) { |
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end = e.getStartTime(); |
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System.out.println("End : " + end); |
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} |
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} |
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System.out.println("==================="); |
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AtomicBoolean error = new AtomicBoolean(true); |
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try (EventStream d = EventStream.openRepository()) { |
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d.setStartTime(start); |
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d.setEndTime(end); |
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d.onEvent(e -> { |
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System.out.println(e); |
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System.out.println("Event:"); |
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System.out.println(e.getStartTime()); |
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System.out.println(e.getEndTime()); |
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System.out.println(e.getBoolean("before")); |
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System.out.println(); |
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boolean before = e.getBoolean("before"); |
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if (before) { |
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error.set(false); |
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} else { |
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error.set(true); |
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} |
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}); |
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d.start(); |
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if (error.get()) { |
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throw new Exception("Found unexpected event!"); |
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} |
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} |
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} |
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} |
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private static void advanceClock() { |
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// Wait for some clock movement with |
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// java.time clock resolution. |
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Instant now = Instant.now(); |
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while (Instant.now().equals(now)) { |
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} |
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} |
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} |