| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.api.consumer.recordingstream; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.time.Duration; |
| import java.time.Instant; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import jdk.jfr.Event; |
| import jdk.jfr.Name; |
| import jdk.jfr.Recording; |
| import jdk.jfr.StackTrace; |
| import jdk.jfr.consumer.EventStream; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordingFile; |
| import jdk.jfr.consumer.RecordingStream; |
| |
| /** |
| * @test |
| * @summary Tests EventStream::setEndTime |
| * @key jfr |
| * @requires vm.hasJFR |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestSetEndTime |
| */ |
| public final class TestSetEndTime { |
| |
| @Name("Mark") |
| @StackTrace(false) |
| public final static class Mark extends Event { |
| public boolean include; |
| public int id; |
| } |
| |
| public static void main(String... args) throws Exception { |
| testEventStream(); |
| testRecordingStream(); |
| } |
| |
| private static void testRecordingStream() throws Exception { |
| while (true) { |
| CountDownLatch closed = new CountDownLatch(1); |
| AtomicInteger count = new AtomicInteger(); |
| try (RecordingStream rs = new RecordingStream()) { |
| rs.setFlushInterval(Duration.ofSeconds(1)); |
| rs.onEvent(e -> { |
| count.incrementAndGet(); |
| }); |
| // when end is reached stream is closed |
| rs.onClose(() -> { |
| closed.countDown(); |
| }); |
| Instant endTime = Instant.now().plus(Duration.ofMillis(100)); |
| System.out.println("Setting end time: " + endTime); |
| rs.setEndTime(endTime); |
| rs.startAsync(); |
| for (int i = 0; i < 50; i++) { |
| Mark m = new Mark(); |
| m.commit(); |
| Thread.sleep(10); |
| } |
| closed.await(); |
| System.out.println("Found events: " + count.get()); |
| if (count.get() < 50) { |
| return; |
| } |
| System.out.println("Found 50 events. Retrying"); |
| System.out.println(); |
| } |
| } |
| } |
| |
| static void testEventStream() throws InterruptedException, IOException, Exception { |
| while (true) { |
| try (Recording r = new Recording()) { |
| r.start(); |
| |
| Mark event1 = new Mark(); |
| event1.id = 1; |
| event1.include = false; |
| event1.commit(); // start time |
| |
| nap(); |
| |
| Mark event2 = new Mark(); |
| event2.id = 2; |
| event2.include = true; |
| event2.commit(); |
| |
| nap(); |
| |
| Mark event3 = new Mark(); |
| event3.id = 3; |
| event3.include = false; |
| event3.commit(); // end time |
| |
| Path p = Paths.get("recording.jfr"); |
| r.dump(p); |
| Instant start = null; |
| Instant end = null; |
| System.out.println("Find start and end time as instants:"); |
| for (RecordedEvent e : RecordingFile.readAllEvents(p)) { |
| if (e.getInt("id") == 1) { |
| start = e.getEndTime(); |
| System.out.println("Start : " + start); |
| } |
| if (e.getInt("id") == 2) { |
| Instant middle = e.getEndTime(); |
| System.out.println("Middle : " + middle); |
| } |
| if (e.getInt("id") == 3) { |
| end = e.getEndTime(); |
| System.out.println("End : " + end); |
| } |
| } |
| System.out.println(); |
| System.out.println("Opening stream between " + start + " and " + end); |
| AtomicBoolean success = new AtomicBoolean(false); |
| AtomicInteger eventsCount = new AtomicInteger(); |
| try (EventStream d = EventStream.openRepository()) { |
| d.setStartTime(start.plusNanos(1)); |
| // Stream should close when end is reached |
| d.setEndTime(end.minusNanos(1)); |
| d.onEvent(e -> { |
| eventsCount.incrementAndGet(); |
| boolean include = e.getBoolean("include"); |
| System.out.println("Event " + e.getEndTime() + " include=" + include); |
| if (include) { |
| success.set(true); |
| } |
| }); |
| d.start(); |
| if (eventsCount.get() == 1 && success.get()) { |
| return; |
| } |
| } |
| } |
| } |
| |
| } |
| |
| private static void nap() throws InterruptedException { |
| // Ensure we advance at least 1 ns with fast time |
| Thread.sleep(1); |
| } |
| |
| } |