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 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 }