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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 /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=128m -XX:MaxNewSize=128m
37 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m
38 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
39 *                   -XX:+UnlockExperimentalVMOptions
40 *                   -XX:SurvivorAlignmentInBytes=32
41 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
43 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
44 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m -XX:-ResizePLAB
45 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent
46 *                   -XX:+UnlockExperimentalVMOptions
47 *                   -XX:SurvivorAlignmentInBytes=32
48 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47
49 *                   TENURED
50 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
51 *                   -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m
52 *                   -XX:OldSize=32m -XX:MaxHeapSize=232m
53 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
54 *                   -XX:+UnlockExperimentalVMOptions
55 *                   -XX:SurvivorAlignmentInBytes=64
56 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
58 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
59 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m
60 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
61 *                   -XX:+UnlockExperimentalVMOptions
62 *                   -XX:SurvivorAlignmentInBytes=64
63 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87
64 *                   TENURED
65 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
66 *                   -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
67 *                   -XX:OldSize=32M -XX:MaxHeapSize=288m
68 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
69 *                   -XX:+UnlockExperimentalVMOptions
70 *                   -XX:SurvivorAlignmentInBytes=128
71 *                    TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9
72 *                    TENURED
73 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
74 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
75 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m
76 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
77 *                   -XX:+UnlockExperimentalVMOptions
78 *                   -XX:SurvivorAlignmentInBytes=128
79 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147
80 *                   TENURED
81 */
82public class TestPromotionFromSurvivorToTenuredAfterFullGC {
83    public static void main(String args[]) {
84        SurvivorAlignmentTestMain test
85                = SurvivorAlignmentTestMain.fromArgs(args);
86        System.out.println(test);
87
88        long expectedMemoryUsage = test.getExpectedMemoryUsage();
89        test.baselineMemoryAllocation();
90        System.gc();
91        // increase expected usage by current old gen usage
92        expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
93                SurvivorAlignmentTestMain.HeapSpace.TENURED)
94                .getActualMemoryUsage();
95
96        test.allocate();
97        SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
98        System.gc();
99
100        test.verifyMemoryUsage(expectedMemoryUsage);
101    }
102}
103