1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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22 */
23
24 /**
25 * @test
26 * @bug 8031323
27 * @summary Verify that objects promoted from survivor space to tenured space
28 * when their age exceeded tenuring threshold are not aligned to
29 * SurvivorAlignmentInBytes value.
30 * @library /test/lib
31 * @modules java.base/jdk.internal.misc
32 * java.management
33 * @build sun.hotspot.WhiteBox
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
37 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
38 * -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
39 * -XX:-ExplicitGCInvokesConcurrent
40 * -XX:+UnlockExperimentalVMOptions
41 * -XX:SurvivorAlignmentInBytes=32
42 * TestPromotionFromSurvivorToTenuredAfterMinorGC 10m 9
43 * TENURED
44 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
45 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
46 * -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
47 * -XX:-ExplicitGCInvokesConcurrent
48 * -XX:+UnlockExperimentalVMOptions
49 * -XX:SurvivorAlignmentInBytes=32
50 * TestPromotionFromSurvivorToTenuredAfterMinorGC 20m 47
51 * TENURED
52 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
53 * -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m
54 * -XX:OldSize=32M -XX:MaxHeapSize=232m -XX:SurvivorRatio=1 -XX:-ResizePLAB
55 * -XX:-ExplicitGCInvokesConcurrent
56 * -XX:+UnlockExperimentalVMOptions
57 * -XX:SurvivorAlignmentInBytes=64
58 * TestPromotionFromSurvivorToTenuredAfterMinorGC 10m 9
59 * TENURED
60 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
61 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
62 * -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
63 * -XX:-ExplicitGCInvokesConcurrent
64 * -XX:+UnlockExperimentalVMOptions
65 * -XX:SurvivorAlignmentInBytes=64
66 * TestPromotionFromSurvivorToTenuredAfterMinorGC 20m 87
67 * TENURED
68 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
69 * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
70 * -XX:OldSize=32M -XX:MaxHeapSize=288m -XX:SurvivorRatio=1 -XX:-ResizePLAB
71 * -XX:-ExplicitGCInvokesConcurrent
72 * -XX:+UnlockExperimentalVMOptions
73 * -XX:SurvivorAlignmentInBytes=128
74 * TestPromotionFromSurvivorToTenuredAfterMinorGC 10m 9
75 * TENURED
76 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
77 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
78 * -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
79 * -XX:-ExplicitGCInvokesConcurrent
80 * -XX:+UnlockExperimentalVMOptions
81 * -XX:SurvivorAlignmentInBytes=128
82 * TestPromotionFromSurvivorToTenuredAfterMinorGC 20m 147
83 * TENURED
84 */
85 public class TestPromotionFromSurvivorToTenuredAfterMinorGC {
86 public static void main(String args[]) throws Exception {
87 SurvivorAlignmentTestMain test
88 = SurvivorAlignmentTestMain.fromArgs(args);
89 System.out.println(test);
90
91 long expectedMemoryUsage = test.getExpectedMemoryUsage();
92 test.baselineMemoryAllocation();
93 SurvivorAlignmentTestMain.WHITE_BOX.fullGC();
94 // increase expected usage by current old gen usage
95 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
96 SurvivorAlignmentTestMain.HeapSpace.TENURED)
97 .getActualMemoryUsage();
98
99 test.allocate();
100 for (int i = 0; i <= SurvivorAlignmentTestMain.MAX_TENURING_THRESHOLD; i++) {
101 SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
102 }
103
104 // Sometimes we see that data unrelated to the test has been allocated during
105 // the loop. This data is included in the expectedMemoryUsage since we look
106 // through all threads to see what they allocated. If this data is still in
107 // the survivor area however, it should not be included in expectedMemoryUsage
108 // since the verification below only look at what's in tenured space.
109 expectedMemoryUsage -= SurvivorAlignmentTestMain.getAlignmentHelper(
110 SurvivorAlignmentTestMain.HeapSpace.SURVIVOR)
111 .getActualMemoryUsage();
112 test.verifyMemoryUsage(expectedMemoryUsage);
113 }
114 }