TestPromotionFromEdenToTenured.java revision 7591:fe5535ac094e 
1/*
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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 /../../test/lib
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:MaxHeapSize=96m -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:MaxHeapSize=96m -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:MaxHeapSize=96m
51 *                   -XX:SurvivorRatio=1 -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:MaxHeapSize=128m
58 *                   -XX:SurvivorRatio=1 -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:MaxHeapSize=96m -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:MaxHeapSize=96m -XX:SurvivorRatio=1
72 *                   -XX:-ExplicitGCInvokesConcurrent
73 *                   -XX:+UnlockExperimentalVMOptions
74 *                   -XX:SurvivorAlignmentInBytes=128
75 *                   TestPromotionFromEdenToTenured 10m 147 TENURED
76 */
77public 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}
97