1 /*

     2  * Copyright (c) 2014, 2016, 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.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 8031323

    27  * @summary Verify that object's alignment in eden space is not affected by

    28  *          SurvivorAlignmentInBytes option.

    29  * @library /test/lib

    30  * @modules java.base/jdk.internal.misc

    31  *          java.management

    32  * @build sun.hotspot.WhiteBox

    33  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission

    35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    36  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    37  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    38  *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB

    39  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m

    40  *                   -XX:-ExplicitGCInvokesConcurrent

    41  *                   TestAllocationInEden 10m 9 EDEN

    42  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    43  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    44  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    45  *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB

    46  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m

    47  *                   -XX:-ExplicitGCInvokesConcurrent

    48  *                   TestAllocationInEden 10m 47 EDEN

    49  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    50  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    51  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    52  *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB

    53  *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m

    54  *                   -XX:-ExplicitGCInvokesConcurrent

    55  *                   TestAllocationInEden 10m 9 EDEN

    56  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    57  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    58  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    59  *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB

    60  *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m

    61  *                   -XX:-ExplicitGCInvokesConcurrent

    62  *                   TestAllocationInEden 10m 87 EDEN

    63  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    64  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    65  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    66  *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB

    67  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m

    68  *                   -XX:-ExplicitGCInvokesConcurrent

    69  *                   TestAllocationInEden 10m 9 EDEN

    70  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    71  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

    72  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

    73  *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB

    74  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m

    75  *                   -XX:-ExplicitGCInvokesConcurrent

    76  *                   TestAllocationInEden 10m 147 EDEN

    77  */

    78 public class TestAllocationInEden {

    79     public static void main(String args[]) {

    80         SurvivorAlignmentTestMain test

    81                 = SurvivorAlignmentTestMain.fromArgs(args);

    82         System.out.println(test);

    83 

    84         long expectedMemoryUsage = test.getExpectedMemoryUsage();

    85         test.baselineMemoryAllocation();

    86         System.gc();

    87 

    88         test.allocate();

    89 

    90         test.verifyMemoryUsage(expectedMemoryUsage);

    91     }

    92 }