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

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
parents
children 75d8afb5d37a
comparison
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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 tenured space during
28 * full GC are not aligned to SurvivorAlignmentInBytes value.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestPromotionFromEdenToTenured SurvivorAlignmentTestMain
31 * 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:OldSize=32m -XX:SurvivorRatio=1
37 * -XX:-ExplicitGCInvokesConcurrent
38 * -XX:+UnlockExperimentalVMOptions
39 * -XX:SurvivorAlignmentInBytes=32
40 * TestPromotionFromEdenToTenured 10m 9 TENURED
41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
42 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
43 * -XX:OldSize=32m -XX:SurvivorRatio=1
44 * -XX:-ExplicitGCInvokesConcurrent
45 * -XX:+UnlockExperimentalVMOptions
46 * -XX:SurvivorAlignmentInBytes=32
47 * TestPromotionFromEdenToTenured 10m 47 TENURED
48 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
49 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
50 * -XX:OldSize=32m -XX:SurvivorRatio=1
51 * -XX:-ExplicitGCInvokesConcurrent
52 * -XX:+UnlockExperimentalVMOptions
53 * -XX:SurvivorAlignmentInBytes=64
54 * TestPromotionFromEdenToTenured 10m 9 TENURED
55 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
56 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
57 * -XX:OldSize=32m -XX:SurvivorRatio=1
58 * -XX:-ExplicitGCInvokesConcurrent
59 * -XX:+UnlockExperimentalVMOptions
60 * -XX:SurvivorAlignmentInBytes=64
61 * TestPromotionFromEdenToTenured 10m 87 TENURED
62 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
63 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
64 * -XX:OldSize=32M -XX:SurvivorRatio=1
65 * -XX:-ExplicitGCInvokesConcurrent
66 * -XX:+UnlockExperimentalVMOptions
67 * -XX:SurvivorAlignmentInBytes=128
68 * TestPromotionFromEdenToTenured 10m 9 TENURED
69 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
70 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
71 * -XX:OldSize=32m -XX:SurvivorRatio=1
72 * -XX:-ExplicitGCInvokesConcurrent
73 * -XX:+UnlockExperimentalVMOptions
74 * -XX:SurvivorAlignmentInBytes=128
75 * TestPromotionFromEdenToTenured 10m 147 TENURED
76 */
77 public class TestPromotionFromEdenToTenured {
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 // increase expected usage by current old gen usage
87 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
88 SurvivorAlignmentTestMain.HeapSpace.TENURED)
89 .getActualMemoryUsage();
90
91 test.allocate();
92 System.gc();
93
94 test.verifyMemoryUsage(expectedMemoryUsage);
95 }
96 }