--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/event/TestReEnableMultiple.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,146 @@
+/*
+ * 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));
+ }
+}