1 /*
   2  * Copyright (c) 2014, 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  * @requires vm.gc != "Shenandoah"
  30  * @library /testlibrary /testlibrary/whitebox
  31  * @build TestAllocationInEden SurvivorAlignmentTestMain AlignmentHelper
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  36  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  37  *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
  38  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
  39  *                   -XX:-ExplicitGCInvokesConcurrent
  40  *                   TestAllocationInEden 10m 9 EDEN
  41  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  42  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  43  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  44  *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
  45  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
  46  *                   -XX:-ExplicitGCInvokesConcurrent
  47  *                   TestAllocationInEden 10m 47 EDEN
  48  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  49  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  50  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  51  *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
  52  *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m
  53  *                   -XX:-ExplicitGCInvokesConcurrent
  54  *                   TestAllocationInEden 10m 9 EDEN
  55  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  56  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  57  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  58  *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
  59  *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m
  60  *                   -XX:-ExplicitGCInvokesConcurrent
  61  *                   TestAllocationInEden 10m 87 EDEN
  62  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  63  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  64  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  65  *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB
  66  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
  67  *                   -XX:-ExplicitGCInvokesConcurrent
  68  *                   TestAllocationInEden 10m 9 EDEN
  69  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  70  *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
  71  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  72  *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB
  73  *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
  74  *                   -XX:-ExplicitGCInvokesConcurrent
  75  *                   TestAllocationInEden 10m 147 EDEN
  76  */
  77 public class TestAllocationInEden {
  78     public static void main(String args[]) {
  79         SurvivorAlignmentTestMain test
  80                 = SurvivorAlignmentTestMain.fromArgs(args);
  81         System.out.println(test);
  82 
  83         long expectedMemoryUsage = test.getExpectedMemoryUsage();
  84         test.baselineMemoryAllocation();
  85         System.gc();
  86 
  87         test.allocate();
  88 
  89         test.verifyMemoryUsage(expectedMemoryUsage);
  90     }
  91 }