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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 /test/lib
30 * @modules java.base/jdk.internal.misc
31 *          java.management
32 * @build sun.hotspot.WhiteBox
33 * @run main ClassFileInstaller sun.hotspot.WhiteBox
34 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
37 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
38 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
39 *                   -XX:+UnlockExperimentalVMOptions
40 *                   -XX:SurvivorAlignmentInBytes=32
41 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
43 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
44 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
45 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
46 *                   -XX:+UnlockExperimentalVMOptions
47 *                   -XX:SurvivorAlignmentInBytes=32
48 *                   TestPromotionFromEdenToTenured 10m 47 TENURED
49 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
50 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
51 *                   -XX:OldSize=32m  -XX:MaxHeapSize=96m
52 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
53 *                   -XX:+UnlockExperimentalVMOptions
54 *                   -XX:SurvivorAlignmentInBytes=64
55 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
56 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
57 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
58 *                   -XX:OldSize=32m -XX:MaxHeapSize=128m
59 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
60 *                   -XX:+UnlockExperimentalVMOptions
61 *                   -XX:SurvivorAlignmentInBytes=64
62 *                   TestPromotionFromEdenToTenured 10m 87 TENURED
63 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
64 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
65 *                   -XX:OldSize=32M -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
66 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
67 *                   -XX:+UnlockExperimentalVMOptions
68 *                   -XX:SurvivorAlignmentInBytes=128
69 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
70 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
71 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
72 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
73 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
74 *                   -XX:+UnlockExperimentalVMOptions
75 *                   -XX:SurvivorAlignmentInBytes=128
76 *                   TestPromotionFromEdenToTenured 10m 147 TENURED
77 */
78public class TestPromotionFromEdenToTenured {
79    public static void main(String args[]) {
80        SurvivorAlignmentTestMain test
81                = SurvivorAlignmentTestMain.fromArgs(args);
82        System.out.println(test);
83
84        long expectedMemoryUsage = test.getExpectedMemoryUsage();
85        test.baselineMemoryAllocation();
86        System.gc();
87        // increase expected usage by current old gen usage
88        expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
89                SurvivorAlignmentTestMain.HeapSpace.TENURED)
90                .getActualMemoryUsage();
91
92        test.allocate();
93        System.gc();
94
95        test.verifyMemoryUsage(expectedMemoryUsage);
96    }
97}
98