--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/event/gc/detailed/PromotionFailedEvent.java 2018-04-09 17:46:31.830536737 +0200 @@ -0,0 +1,63 @@ +/* + * 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.File; +import java.nio.file.Paths; +import java.util.List; + +import jdk.jfr.consumer.RecordedEvent; +import jdk.jfr.consumer.RecordingFile; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.Events; + +public class PromotionFailedEvent { + + private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "promotionfailed-testsettings.jfc"; + private final static int BYTES_TO_ALLOCATE = 1024; + + public static void test(String testName, String[] vmFlags) throws Throwable { + String jfr_file = testName + ".jfr"; + + 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; + } + + // This test can not always trigger the expected event. + // Test is ok even if no events found. + List events = RecordingFile.readAllEvents(Paths.get(jfr_file)); + for (RecordedEvent event : events) { + System.out.println("Event: " + event); + long smallestSize = Events.assertField(event, "promotionFailed.smallestSize").atLeast(1L).getValue(); + long firstSize = Events.assertField(event, "promotionFailed.firstSize").atLeast(smallestSize).getValue(); + long totalSize = Events.assertField(event, "promotionFailed.totalSize").atLeast(firstSize).getValue(); + long objectCount = Events.assertField(event, "promotionFailed.objectCount").atLeast(1L).getValue(); + Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize"); + } + } +}