33 * @build UsageThresholdNotExceededTest
34 * @run main ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
37 * -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
38 * -XX:+SegmentedCodeCache -XX:CompileCommand=compileonly,null::*
39 * UsageThresholdNotExceededTest
40 * @summary verifying that usage threshold not exceeded while allocating less
41 * than usage threshold
42 */
43 public class UsageThresholdNotExceededTest {
44
45 private final BlobType btype;
46
47 public UsageThresholdNotExceededTest(BlobType btype) {
48 this.btype = btype;
49 }
50
51 public static void main(String[] args) {
52 for (BlobType btype : BlobType.getAvailable()) {
53 if (CodeCacheUtils.isCodeHeapPredictable(btype)) {
54 new UsageThresholdNotExceededTest(btype).runTest();
55 }
56 }
57 }
58
59 protected void runTest() {
60 MemoryPoolMXBean bean = btype.getMemoryPool();
61 long initialThresholdCount = bean.getUsageThresholdCount();
62 long initialUsage = bean.getUsage().getUsed();
63 bean.setUsageThreshold(initialUsage + 1 + CodeCacheUtils.MIN_ALLOCATION);
64 CodeCacheUtils.WB.allocateCodeBlob(CodeCacheUtils.MIN_ALLOCATION
65 - CodeCacheUtils.getHeaderSize(btype), btype.id);
66 // a gc cycle triggers usage threshold recalculation
67 CodeCacheUtils.WB.fullGC();
68 Asserts.assertEQ(bean.getUsageThresholdCount(), initialThresholdCount,
69 String.format("Usage threshold was hit: %d times for %s. "
70 + "Threshold value: %d with current usage: %d",
71 bean.getUsageThresholdCount(), bean.getName(),
72 bean.getUsageThreshold(), bean.getUsage().getUsed()));
73
74 System.out.println("INFO: Case finished successfully for "
75 + bean.getName());
76 }
77 }
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33 * @build UsageThresholdNotExceededTest
34 * @run main ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
37 * -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
38 * -XX:+SegmentedCodeCache -XX:CompileCommand=compileonly,null::*
39 * UsageThresholdNotExceededTest
40 * @summary verifying that usage threshold not exceeded while allocating less
41 * than usage threshold
42 */
43 public class UsageThresholdNotExceededTest {
44
45 private final BlobType btype;
46
47 public UsageThresholdNotExceededTest(BlobType btype) {
48 this.btype = btype;
49 }
50
51 public static void main(String[] args) {
52 for (BlobType btype : BlobType.getAvailable()) {
53 new UsageThresholdNotExceededTest(btype).runTest();
54 }
55 }
56
57 protected void runTest() {
58 MemoryPoolMXBean bean = btype.getMemoryPool();
59 long initialThresholdCount = bean.getUsageThresholdCount();
60 long initialUsage = bean.getUsage().getUsed();
61 bean.setUsageThreshold(initialUsage + 1 + CodeCacheUtils.MIN_ALLOCATION);
62 CodeCacheUtils.WB.allocateCodeBlob(CodeCacheUtils.MIN_ALLOCATION
63 - CodeCacheUtils.getHeaderSize(btype), btype.id);
64 // a gc cycle triggers usage threshold recalculation
65 CodeCacheUtils.WB.fullGC();
66 CodeCacheUtils.assertEQorGTE(btype, bean.getUsageThresholdCount(), initialThresholdCount,
67 String.format("Usage threshold was hit: %d times for %s. "
68 + "Threshold value: %d with current usage: %d",
69 bean.getUsageThresholdCount(), bean.getName(),
70 bean.getUsageThreshold(), bean.getUsage().getUsed()));
71 System.out.println("INFO: Case finished successfully for " + bean.getName());
72 }
73 }
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