| /* |
| * Copyright (c) 2013, 2018, 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.jmx; |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.Recording; |
| import jdk.jfr.RecordingState; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordingFile; |
| import jdk.management.jfr.FlightRecorderMXBean; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.SimpleEventHelper; |
| |
| /* |
| * @test |
| * @key jfr |
| * @summary Copy a recording to file while it is running. |
| * @library /test/lib /test/jdk |
| * @run main/othervm jdk.jfr.jmx.TestCopyToRunning |
| */ |
| public class TestCopyToRunning { |
| public static void main(String[] args) throws Exception { |
| FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); |
| |
| long recId = bean.newRecording(); |
| bean.startRecording(recId); |
| SimpleEventHelper.createEvent(1); |
| |
| Path path = Paths.get(".", "my.jfr"); |
| bean.copyTo(recId, path.toString()); |
| |
| List<RecordedEvent> events = RecordingFile.readAllEvents(path); |
| Asserts.assertTrue(events.iterator().hasNext(), "No events found"); |
| for (RecordedEvent event : events) { |
| System.out.println("Event:" + event); |
| } |
| |
| Recording recording = getRecording(recId); |
| Asserts.assertEquals(recording.getState(), RecordingState.RUNNING, "Recording not in state running"); |
| bean.stopRecording(recId); |
| Asserts.assertEquals(recording.getState(), RecordingState.STOPPED, "Recording not in state stopped"); |
| bean.closeRecording(recId); |
| Asserts.assertEquals(recording.getState(), RecordingState.CLOSED, "Recording not in state closed"); |
| } |
| |
| private static Recording getRecording(long recId) { |
| for (Recording r : FlightRecorder.getFlightRecorder().getRecordings()) { |
| if (r.getId() == recId) { |
| return r; |
| } |
| } |
| Asserts.fail("Could not find recording with id " + recId); |
| return null; |
| } |
| } |