20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.runtime;
  27 
  28 import jdk.jfr.Recording;
  29 import jdk.jfr.consumer.*;
  30 import jdk.test.lib.Asserts;
  31 import jdk.test.lib.dcmd.PidJcmdExecutor;
  32 import jdk.test.lib.jfr.EventNames;
  33 import jdk.test.lib.jfr.Events;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 
  36 import java.util.*;
  37 import java.util.concurrent.FutureTask;
  38 import java.util.stream.Collectors;
  39 
  40 /*
  41  * @test
  42  * @key jfr

  43  * @library /test/lib
  44  *
  45  * @run main/othervm jdk.jfr.event.runtime.TestBiasedLockRevocationEvents
  46  */
  47 public class TestBiasedLockRevocationEvents {
  48 
  49     public static void main(String[] args) throws Throwable {
  50         testSingleRevocation();
  51         testBulkRevocation();
  52         testSelfRevocation();
  53         testExitedThreadRevocation();
  54         testBulkRevocationNoRebias();
  55         testRevocationSafepointIdCorrelation();
  56     }
  57 
  58     // Default value of BiasedLockingBulkRebiasThreshold is 20, and BiasedLockingBulkRevokeTreshold is 40.
  59     // Using a value that will hit the first threshold once, and the second one the next time.
  60     private static final int BULK_REVOKE_THRESHOLD = 25;
  61 
  62     static void touch(Object lock) {

  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.runtime;
  27 
  28 import jdk.jfr.Recording;
  29 import jdk.jfr.consumer.*;
  30 import jdk.test.lib.Asserts;
  31 import jdk.test.lib.dcmd.PidJcmdExecutor;
  32 import jdk.test.lib.jfr.EventNames;
  33 import jdk.test.lib.jfr.Events;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 
  36 import java.util.*;
  37 import java.util.concurrent.FutureTask;
  38 import java.util.stream.Collectors;
  39 
  40 /**
  41  * @test
  42  * @key jfr
  43  * @requires vm.hasJFR
  44  * @library /test/lib
  45  *
  46  * @run main/othervm jdk.jfr.event.runtime.TestBiasedLockRevocationEvents
  47  */
  48 public class TestBiasedLockRevocationEvents {
  49 
  50     public static void main(String[] args) throws Throwable {
  51         testSingleRevocation();
  52         testBulkRevocation();
  53         testSelfRevocation();
  54         testExitedThreadRevocation();
  55         testBulkRevocationNoRebias();
  56         testRevocationSafepointIdCorrelation();
  57     }
  58 
  59     // Default value of BiasedLockingBulkRebiasThreshold is 20, and BiasedLockingBulkRevokeTreshold is 40.
  60     // Using a value that will hit the first threshold once, and the second one the next time.
  61     private static final int BULK_REVOKE_THRESHOLD = 25;
  62 
  63     static void touch(Object lock) {