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comparison test/gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterFullGC.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 survivor space to tenured space
28 * during full GC are not aligned to SurvivorAlignmentInBytes value.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestPromotionFromSurvivorToTenuredAfterFullGC
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:OldSize=32m -XX:SurvivorRatio=1
37 * -XX:-ExplicitGCInvokesConcurrent
38 * -XX:+UnlockExperimentalVMOptions
39 * -XX:SurvivorAlignmentInBytes=32
40 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
42 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
43 * -XX:OldSize=32m -XX:SurvivorRatio=1
44 * -XX:-ExplicitGCInvokesConcurrent
45 * -XX:+UnlockExperimentalVMOptions
46 * -XX:SurvivorAlignmentInBytes=32
47 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47
48 * TENURED
49 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
50 * -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m
51 * -XX:OldSize=32m -XX:InitialHeapSize=232m
52 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent
53 * -XX:+UnlockExperimentalVMOptions
54 * -XX:SurvivorAlignmentInBytes=64
55 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
56 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
57 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
58 * -XX:OldSize=32m -XX:SurvivorRatio=1
59 * -XX:-ExplicitGCInvokesConcurrent
60 * -XX:+UnlockExperimentalVMOptions
61 * -XX:SurvivorAlignmentInBytes=64
62 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87
63 * TENURED
64 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
65 * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
66 * -XX:OldSize=32M -XX:InitialHeapSize=288m
67 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent
68 * -XX:+UnlockExperimentalVMOptions
69 * -XX:SurvivorAlignmentInBytes=128
70 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9
71 * TENURED
72 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
73 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
74 * -XX:OldSize=32m -XX:SurvivorRatio=1
75 * -XX:-ExplicitGCInvokesConcurrent
76 * -XX:+UnlockExperimentalVMOptions
77 * -XX:SurvivorAlignmentInBytes=128
78 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147
79 * TENURED
80 */
81 public class TestPromotionFromSurvivorToTenuredAfterFullGC {
82 public static void main(String args[]) {
83 SurvivorAlignmentTestMain test
84 = SurvivorAlignmentTestMain.fromArgs(args);
85 System.out.println(test);
86
87 long expectedMemoryUsage = test.getExpectedMemoryUsage();
88 test.baselineMemoryAllocation();
89 System.gc();
90 // increase expected usage by current old gen usage
91 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
92 SurvivorAlignmentTestMain.HeapSpace.TENURED)
93 .getActualMemoryUsage();
94
95 test.allocate();
96 SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
97 System.gc();
98
99 test.verifyMemoryUsage(expectedMemoryUsage);
100 }
101 }