| /* |
| * Copyright (c) 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.recording.event; |
| |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Random; |
| |
| import jdk.jfr.EventType; |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| import jdk.test.lib.jfr.SimpleEvent; |
| import jdk.test.lib.jfr.SimpleEventHelper; |
| |
| /* |
| * @test |
| * @summary Enable, disable, enable event during recording. |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.recording.event.TestReEnableMultiple |
| */ |
| public class TestReEnableMultiple { |
| private static final String EVENT_PATH = EventNames.FileWrite; |
| private static final Random rand = new Random(0); |
| |
| public static void main(String[] args) throws Throwable { |
| Recording rA = new Recording(); |
| Recording rB = new Recording(); |
| |
| final Path path = Paths.get(".", "dummy.txt").toAbsolutePath(); |
| rA.start(); |
| rB.start(); |
| |
| SimpleEventHelper.enable(rA, false); |
| SimpleEventHelper.enable(rA, false); |
| |
| int expectedMyEvents = 0; |
| int expectedIoEvents = 0; |
| for (int i = 0; i < 20; ++i) { |
| SimpleEventHelper.createEvent(i); |
| if (isMyEventEnabled(rA, rB)) { |
| expectedMyEvents++; |
| System.out.println("Expect MyEvent.id " + i); |
| } |
| |
| Files.write(path, "A".getBytes()); |
| if (isIoEnabled(rA, rB)) { |
| expectedIoEvents++; |
| } |
| |
| for (int j = 0; j < 4; ++j) { |
| Recording r = (rand.nextInt(2) == 0) ? rA : rB; |
| updateSettings(r); |
| } |
| } |
| |
| rA.stop(); |
| rB.stop(); |
| |
| verifyEventCount(rA, expectedMyEvents, expectedIoEvents, path); |
| verifyEventCount(rB, expectedMyEvents, expectedIoEvents, path); |
| |
| rA.close(); |
| rB.close(); |
| } |
| |
| private static void verifyEventCount(Recording r, int expectedMyEvents, int expectedIoEvents, Path path) throws Exception { |
| int actualMyEvents = 0; |
| int actualIoEvents = 0; |
| for (RecordedEvent event : Events.fromRecording(r)) { |
| if (Events.isEventType(event, EVENT_PATH)) { |
| if (path.toString().equals(Events.assertField(event, "path").getValue())) { |
| actualIoEvents++; |
| } |
| } else { |
| Asserts.assertTrue(Events.isEventType(event, SimpleEvent.class.getName())); |
| System.out.println("Got MyEvent.id=" + Events.assertField(event, "id").getValue()); |
| actualMyEvents++; |
| } |
| } |
| System.out.printf("MyEvents: expected=%d, actual=%d%n", expectedMyEvents, actualMyEvents); |
| System.out.printf("IoEvents: expected=%d, actual=%d%n", expectedIoEvents, actualIoEvents); |
| Asserts.assertEquals(expectedMyEvents, actualMyEvents, "Wrong number of MyEvents"); |
| Asserts.assertEquals(expectedIoEvents, actualIoEvents, "Wrong number of IoEvents"); |
| } |
| |
| private static void updateSettings(Recording r) { |
| boolean doEnable = rand.nextInt(3) == 0; // Disable 2 of 3, since event |
| // is enabled by union of |
| // recordings. |
| boolean doMyEvent = rand.nextInt(2) == 0; |
| if (doMyEvent) { |
| SimpleEventHelper.enable(r, doEnable); |
| } else { |
| if (doEnable) { |
| r.enable(EVENT_PATH).withoutStackTrace(); |
| } else { |
| r.disable(EVENT_PATH); |
| } |
| } |
| } |
| |
| private static boolean isMyEventEnabled(Recording rA, Recording rB) { |
| long eventTypeId = EventType.getEventType(SimpleEvent.class).getId(); |
| String settingName = eventTypeId + "#enabled"; |
| return isEnabled(rA, settingName) || isEnabled(rB, settingName); |
| } |
| |
| private static boolean isIoEnabled(Recording rA, Recording rB) { |
| String settingName = EVENT_PATH + "#enabled"; |
| return isEnabled(rA, settingName) || isEnabled(rB, settingName); |
| } |
| |
| private static boolean isEnabled(Recording r, String settingName) { |
| // System.out.printf("R(%s) %s=%s%n", r.getName(), settingName, |
| // r.getSettings().get(settingName)); |
| return Boolean.parseBoolean(r.getSettings().get(settingName)); |
| } |
| } |