TestAllocationInEden.java revision 9300:f81484d852ac 
1/*
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22 */
23
24/**
25 * @test
26 * @bug 8031323
27 * @summary Verify that object's alignment in eden space is not affected by
28 *          SurvivorAlignmentInBytes option.
29 * @library /testlibrary /test/lib
30 * @modules java.base/sun.misc
31 *          java.management
32 * @build TestAllocationInEden SurvivorAlignmentTestMain AlignmentHelper
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:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
38 *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB
39 *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
40 *                   -XX:-ExplicitGCInvokesConcurrent
41 *                   TestAllocationInEden 10m 9 EDEN
42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
43 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
44 *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
45 *                   -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB
46 *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
47 *                   -XX:-ExplicitGCInvokesConcurrent
48 *                   TestAllocationInEden 10m 47 EDEN
49 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
50 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
51 *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
52 *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB
53 *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m
54 *                   -XX:-ExplicitGCInvokesConcurrent
55 *                   TestAllocationInEden 10m 9 EDEN
56 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
57 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
58 *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
59 *                   -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB
60 *                   -XX:OldSize=128m  -XX:MaxHeapSize=192m
61 *                   -XX:-ExplicitGCInvokesConcurrent
62 *                   TestAllocationInEden 10m 87 EDEN
63 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
64 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
65 *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
66 *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB
67 *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
68 *                   -XX:-ExplicitGCInvokesConcurrent
69 *                   TestAllocationInEden 10m 9 EDEN
70 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
71 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
72 *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
73 *                   -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB
74 *                   -XX:OldSize=128m -XX:MaxHeapSize=192m
75 *                   -XX:-ExplicitGCInvokesConcurrent
76 *                   TestAllocationInEden 10m 147 EDEN
77 */
78public class TestAllocationInEden {
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
88        test.allocate();
89
90        test.verifyMemoryUsage(expectedMemoryUsage);
91    }
92}
93