1 /* 2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.event.gc.detailed; 27 28 import java.io.File; 29 import java.nio.file.Paths; 30 import java.util.List; 31 32 import jdk.jfr.consumer.RecordedEvent; 33 import jdk.jfr.consumer.RecordingFile; 34 import jdk.test.lib.Asserts; 35 import jdk.test.lib.jfr.Events; 36 37 /** 38 * @test 39 * @key jfr 40 * 41 * 42 * @library /lib / 43 * 44 * 45 * @run main jdk.jfr.event.gc.detailed.TestEvacuationFailedEvent 46 */ 47 public class TestEvacuationFailedEvent { 48 49 private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "evacuationfailed-testsettings.jfc"; 50 private final static String JFR_FILE = "TestEvacuationFailedEvent.jfr"; 51 private final static int BYTES_TO_ALLOCATE = 1024 * 512; 52 53 public static void main(String[] args) throws Exception { 54 String[] vmFlags = {"-XX:+UnlockExperimentalVMOptions", "-XX:-UseFastUnorderedTimeStamps", 55 "-Xmx64m", "-Xmn60m", "-XX:-UseDynamicNumberOfGCThreads", "-XX:ParallelGCThreads=3", 56 "-XX:MaxTenuringThreshold=0", "-verbose:gc", "-XX:+UseG1GC"}; 57 58 if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, JFR_FILE, vmFlags, BYTES_TO_ALLOCATE)) { 59 System.out.println("OOM happened in the other thread(not test thread). Skip test."); 60 // Skip test, process terminates due to the OOME error in the different thread 61 return; 62 } 63 64 List<RecordedEvent> events = RecordingFile.readAllEvents(Paths.get(JFR_FILE)); 65 66 Events.hasEvents(events); 67 for (RecordedEvent event : events) { 68 long objectCount = Events.assertField(event, "evacuationFailed.objectCount").atLeast(1L).getValue(); 69 long smallestSize = Events.assertField(event, "evacuationFailed.smallestSize").atLeast(1L).getValue(); 70 long firstSize = Events.assertField(event, "evacuationFailed.firstSize").atLeast(smallestSize).getValue(); 71 long totalSize = Events.assertField(event, "evacuationFailed.totalSize").atLeast(firstSize).getValue(); 72 Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize"); 73 } 74 } 75 }