| /* |
| * 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.event.gc.detailed; |
| |
| import java.io.IOException; |
| import java.io.File; |
| import java.nio.charset.Charset; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Optional; |
| |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordingFile; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.EventNames; |
| |
| /* |
| * @test |
| * @key jfr |
| * |
| * @requires vm.gc == "ConcMarkSweep" | vm.gc == null |
| * @library /test/lib /test/jdk |
| * |
| * @run main jdk.jfr.event.gc.detailed.TestCMSConcurrentModeFailureEvent |
| */ |
| public class TestCMSConcurrentModeFailureEvent { |
| |
| private final static String EVENT_NAME = EventNames.ConcurrentModeFailure; |
| private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "concurrentmodefailure-testsettings.jfc"; |
| private final static String JFR_FILE = "TestCMSConcurrentModeFailureEvent.jfr"; |
| private final static int BYTES_TO_ALLOCATE = 1024 * 512; |
| |
| public static void main(String[] args) throws Exception { |
| String[] vmFlags = {"-Xmx128m", "-XX:MaxTenuringThreshold=0", "-Xlog:gc*=debug:testCMSGC.log", |
| "-XX:+UseConcMarkSweepGC", "-XX:+UnlockExperimentalVMOptions", "-XX:-UseFastUnorderedTimeStamps"}; |
| |
| if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, JFR_FILE, vmFlags, BYTES_TO_ALLOCATE)) { |
| System.out.println("OOM happened in the other thread(not test thread). Skip test."); |
| // Skip test, process terminates due to the OOME error in the different thread |
| return; |
| } |
| |
| Optional<RecordedEvent> event = RecordingFile.readAllEvents(Paths.get(JFR_FILE)).stream().findFirst(); |
| if (event.isPresent()) { |
| Asserts.assertEquals(EVENT_NAME, event.get().getEventType().getName(), "Wrong event type"); |
| } else { |
| // No event received. Check if test did trigger the event. |
| boolean isEventTriggered = fileContainsString("testCMSGC.log", "concurrent mode failure"); |
| System.out.println("isEventTriggered=" +isEventTriggered); |
| Asserts.assertFalse(isEventTriggered, "Event found in log, but not in JFR"); |
| } |
| } |
| |
| private static boolean fileContainsString(String filename, String text) throws IOException { |
| Path p = Paths.get(filename); |
| for (String line : Files.readAllLines(p, Charset.defaultCharset())) { |
| if (line.contains(text)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |