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comparison test/gc/survivorAlignment/TestAllocationInEden.java @ 20717:4b7c96fba3d8

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8037968: Add tests on alignment of objects copied to survivor space Reviewed-by: jmasa, dfazunen
author fzhinkin
date Wed, 26 Nov 2014 14:17:06 +0400
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children 75d8afb5d37a
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20716:7e70976b4d0f 20717:4b7c96fba3d8
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 * @library /testlibrary /testlibrary/whitebox
30 * @build TestAllocationInEden SurvivorAlignmentTestMain AlignmentHelper
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
35 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
36 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
37 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
38 * TestAllocationInEden 10m 9 EDEN
39 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
40 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
41 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
42 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
43 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
44 * TestAllocationInEden 10m 47 EDEN
45 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
46 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
47 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
48 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
49 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
50 * TestAllocationInEden 10m 9 EDEN
51 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
52 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
53 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
54 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
55 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
56 * TestAllocationInEden 10m 87 EDEN
57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
58 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
59 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
60 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB
61 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
62 * TestAllocationInEden 10m 9 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
67 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
68 * TestAllocationInEden 10m 147 EDEN
69 */
70 public class TestAllocationInEden {
71 public static void main(String args[]) {
72 SurvivorAlignmentTestMain test
73 = SurvivorAlignmentTestMain.fromArgs(args);
74 System.out.println(test);
75
76 long expectedMemoryUsage = test.getExpectedMemoryUsage();
77 test.baselineMemoryAllocation();
78 System.gc();
79
80 test.allocate();
81
82 test.verifyMemoryUsage(expectedMemoryUsage);
83 }
84 }