1 /*
   2  * Copyright (c) 2013, 2019, 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.testlibrary.jfr;
  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.testlibrary.Asserts;
  35 import jdk.testlibrary.jfr.Events;
  36 
  37 public class PromotionFailedEvent {
  38 
  39     private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "promotionfailed-testsettings.jfc";
  40     private final static int BYTES_TO_ALLOCATE = 1024;
  41 
  42     public static void test(String testName, String[] vmFlags) throws Throwable {
  43         String jfr_file = testName + ".jfr";
  44 
  45         if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, jfr_file, vmFlags, BYTES_TO_ALLOCATE)) {
  46             System.out.println("OOM happened in the other thread(not test thread). Skip test.");
  47             // Skip test, process terminates due to the OOME error in the different thread
  48             return;
  49         }
  50 
  51         // This test can not always trigger the expected event.
  52         // Test is ok even if no events found.
  53         List<RecordedEvent> events = RecordingFile.readAllEvents(Paths.get(jfr_file));
  54         for (RecordedEvent event : events) {
  55             System.out.println("Event: " + event);
  56             long smallestSize = Events.assertField(event, "promotionFailed.smallestSize").atLeast(1L).getValue();
  57             long firstSize = Events.assertField(event, "promotionFailed.firstSize").atLeast(smallestSize).getValue();
  58             long totalSize = Events.assertField(event, "promotionFailed.totalSize").atLeast(firstSize).getValue();
  59             long objectCount = Events.assertField(event, "promotionFailed.objectCount").atLeast(1L).getValue();
  60             Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize");
  61         }
  62     }
  63 }