diff -r 2c3cc4b01880 -r c16ac7a2eba4 test/jdk/jdk/jfr/api/consumer/streaming/TestStartMultiChunk.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestStartMultiChunk.java Wed Oct 30 19:43:52 2019 +0100 @@ -0,0 +1,122 @@ +/* + * 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.streaming; + +import java.util.concurrent.CountDownLatch; + +import jdk.jfr.Event; +import jdk.jfr.FlightRecorder; +import jdk.jfr.Name; +import jdk.jfr.Period; +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordingStream; + +/** + * @test + * @summary Verifies that it is possible to stream contents of ongoing + * recordings + * @key jfr + * @requires vm.hasJFR + * @library /test/lib + * @run main/othervm -Xlog:jfr+system+streaming=trace + * jdk.jfr.api.consumer.streaming.TestStartMultiChunk + */ +public class TestStartMultiChunk { + + @Period("10 s") + @Name("Zebra") + static class ZebraEvent extends Event { + } + + @Name("Cat") + static class CatEvent extends Event { + } + + @Name("Dog") + static class DogEvent extends Event { + } + + @Name("Mouse") + static class MouseEvent extends Event { + } + + public static void main(String... args) throws Exception { + CountDownLatch dogLatch = new CountDownLatch(1); + CountDownLatch catLatch = new CountDownLatch(1); + CountDownLatch mouseLatch = new CountDownLatch(1); + CountDownLatch zebraLatch = new CountDownLatch(3); + + FlightRecorder.addPeriodicEvent(ZebraEvent.class, () -> { + ZebraEvent ze = new ZebraEvent(); + ze.commit(); + System.out.println("Zebra emitted"); + }); + + try (RecordingStream s = new RecordingStream()) { + s.onEvent("Cat", e -> { + System.out.println("Found cat!"); + catLatch.countDown(); + }); + s.onEvent("Dog", e -> { + System.out.println("Found dog!"); + dogLatch.countDown(); + }); + s.onEvent("Zebra", e -> { + System.out.println("Found zebra!"); + zebraLatch.countDown(); + }); + s.onEvent("Mouse", e -> { + System.out.println("Found mouse!"); + mouseLatch.countDown(); + }); + s.startAsync(); + System.out.println("Stream recoding started"); + + try (Recording r1 = new Recording()) { + r1.start(); + System.out.println("r1.start()"); + MouseEvent me = new MouseEvent(); + me.commit(); + System.out.println("Mouse emitted"); + mouseLatch.await(); + try (Recording r2 = new Recording()) { // force chunk rotation + // in stream + r2.start(); + System.out.println("r2.start()"); + DogEvent de = new DogEvent(); + de.commit(); + System.out.println("Dog emitted"); + dogLatch.await(); + CatEvent ce = new CatEvent(); + ce.commit(); + System.out.println("Cat emitted"); + catLatch.await(); + zebraLatch.await(); + } + } + } + } +}