| /* |
| * Copyright (c) 2016, 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.api.event; |
| |
| import java.time.Duration; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.CommonHelper; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| import jdk.test.lib.jfr.SimpleEvent; |
| |
| /* |
| * @test |
| * @summary Test for RecordedEvent.getDuration() |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.event.TestGetDuration |
| */ |
| public class TestGetDuration { |
| |
| private static final int DURATIONAL_EVENT_ID = 1; |
| private static final int INSTANT_EVENT_ID = 2; |
| |
| public static void main(String[] args) throws Exception { |
| verifyCustomEvents(); |
| verifyNativeEvents(); |
| } |
| |
| private static void verifyCustomEvents() throws Exception { |
| boolean fastTimeEnabled = CommonHelper.hasFastTimeEnabled(); |
| System.out.println("Fast time enabled: " + fastTimeEnabled); |
| Recording r = new Recording(); |
| r.enable(SimpleEvent.class).withoutStackTrace(); |
| r.enable(EventNames.CPUTimeStampCounter); // for debugging purposes |
| r.start(); |
| |
| SimpleEvent durational = new SimpleEvent(); |
| durational.begin(); |
| durational.id = DURATIONAL_EVENT_ID; |
| if (!fastTimeEnabled) { |
| // if we have a low resolution clock sleep until time changes |
| CommonHelper.waitForSystemCurrentMillisToChange(); |
| } |
| durational.end(); |
| durational.commit(); |
| |
| SimpleEvent instant = new SimpleEvent(); |
| instant.id = INSTANT_EVENT_ID; |
| instant.commit(); |
| |
| r.stop(); |
| |
| List<RecordedEvent> recordedEvents = Events.fromRecording(r); |
| List<RecordedEvent> testEvents = new ArrayList<>(); |
| for (RecordedEvent e : recordedEvents) { |
| System.out.println(e); // for debugging time related issues |
| if (!e.getEventType().getName().equals(EventNames.CPUTimeStampCounter)) { |
| testEvents.add(e); |
| } |
| } |
| Events.hasEvents(testEvents); |
| for (RecordedEvent re : testEvents) { |
| int id = re.getValue("id"); |
| Asserts.assertEquals(re.getDuration(), Duration.between(re.getStartTime(), re.getEndTime())); |
| switch (id) { |
| case DURATIONAL_EVENT_ID: |
| Asserts.assertTrue(!re.getDuration().isNegative() && !re.getDuration().isZero()); |
| break; |
| case INSTANT_EVENT_ID: |
| Asserts.assertTrue(re.getDuration().isZero()); |
| break; |
| } |
| } |
| } |
| |
| private static void verifyNativeEvents() throws Exception { |
| Recording r = new Recording(); |
| r.enable(EventNames.JVMInformation); |
| r.enable(EventNames.ThreadSleep); |
| r.start(); |
| // Should trigger a sleep event even if we |
| // have a low resolution clock |
| Thread.sleep(200); |
| r.stop(); |
| List<RecordedEvent> recordedEvents = Events.fromRecording(r); |
| Events.hasEvents(recordedEvents); |
| for (RecordedEvent re : recordedEvents) { |
| Asserts.assertEquals(re.getDuration(), Duration.between(re.getStartTime(), re.getEndTime())); |
| switch (re.getEventType().getName()) { |
| case EventNames.JVMInformation: |
| Asserts.assertTrue(re.getDuration().isZero()); |
| break; |
| case EventNames.ThreadSleep: |
| Asserts.assertTrue(!re.getDuration().isNegative() && !re.getDuration().isZero()); |
| break; |
| default: |
| Asserts.fail("Unexpected event: " + re); |
| break; |
| } |
| } |
| } |
| |
| } |