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comparison test/gc/survivorAlignment/TestPromotionToSurvivor.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 objects promoted from eden space to survivor space after
28 * minor GC are aligned to SurvivorAlignmentInBytes.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestPromotionToSurvivor
31 * 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=128m -XX:MaxNewSize=128m
36 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
37 * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
38 * -XX:-ExplicitGCInvokesConcurrent
39 * TestPromotionToSurvivor 10m 9 SURVIVOR
40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
41 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
42 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
43 * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
44 * TestPromotionToSurvivor 20m 47 SURVIVOR
45 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
46 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
47 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
48 * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
49 * -XX:-ExplicitGCInvokesConcurrent
50 * TestPromotionToSurvivor 8m 9 SURVIVOR
51 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
52 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
53 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
54 * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
55 * -XX:-ExplicitGCInvokesConcurrent
56 * TestPromotionToSurvivor 20m 87 SURVIVOR
57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
58 * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
59 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
60 * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=32m
61 * -XX:InitialHeapSize=288m -XX:-ExplicitGCInvokesConcurrent
62 * TestPromotionToSurvivor 10m 9 SURVIVOR
63 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
64 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
65 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
66 * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m
67 * -XX:-ExplicitGCInvokesConcurrent
68 * TestPromotionToSurvivor 20m 147 SURVIVOR
69 */
70 public class TestPromotionToSurvivor {
71 public static void main(String args[]) {
72 SurvivorAlignmentTestMain test
73 = SurvivorAlignmentTestMain.fromArgs(args);
74 System.out.println(test);
75
76 long expectedUsage = test.getExpectedMemoryUsage();
77 test.baselineMemoryAllocation();
78 SurvivorAlignmentTestMain.WHITE_BOX.fullGC();
79
80 test.allocate();
81 SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
82
83 test.verifyMemoryUsage(expectedUsage);
84 }
85 }