21  *
  22  */
  23 
  24 package jdk.jfr.event.gc.detailed;
  25 
  26 import java.nio.file.Paths;
  27 import java.util.List;
  28 
  29 import jdk.jfr.EventType;
  30 import jdk.jfr.FlightRecorder;
  31 import jdk.jfr.Recording;
  32 import jdk.jfr.consumer.RecordedEvent;
  33 import jdk.test.lib.Asserts;
  34 import jdk.test.lib.jfr.EventNames;
  35 import jdk.test.lib.jfr.Events;
  36 import jdk.test.lib.jfr.GCHelper;
  37 
  38 /**
  39  * @test
  40  * @bug 8221507
  41  * @requires vm.hasJFR
  42  * @requires vm.gc == "Shenandoah" | vm.gc == null
  43  * @key jfr
  44  * @library /test/lib /test/jdk
  45  * @run main/othervm  -Xmx32m -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGarbageThreshold=1 jdk.jfr.event.gc.detailed.TestShenandoahHeapRegionInformationEvent
  46  */
  47 
  48 
  49 public class TestShenandoahHeapRegionInformationEvent {
  50     private final static String EVENT_NAME = EventNames.ShenandoahHeapRegionInformation;
  51     public static void main(String[] args) throws Exception {
  52         try (Recording recording = new Recording()) {
  53             // activate the event we are interested in and start recording
  54             for (EventType t : FlightRecorder.getFlightRecorder().getEventTypes()) {
  55                 System.out.println(t.getName());
  56             }
  57             recording.enable(EVENT_NAME);
  58             recording.start();
  59             recording.stop();
  60 
  61             // Verify recording
  62             List<RecordedEvent> events = Events.fromRecording(recording);

  21  *
  22  */
  23 
  24 package jdk.jfr.event.gc.detailed;
  25 
  26 import java.nio.file.Paths;
  27 import java.util.List;
  28 
  29 import jdk.jfr.EventType;
  30 import jdk.jfr.FlightRecorder;
  31 import jdk.jfr.Recording;
  32 import jdk.jfr.consumer.RecordedEvent;
  33 import jdk.test.lib.Asserts;
  34 import jdk.test.lib.jfr.EventNames;
  35 import jdk.test.lib.jfr.Events;
  36 import jdk.test.lib.jfr.GCHelper;
  37 
  38 /**
  39  * @test
  40  * @bug 8221507
  41  * @requires vm.hasJFR & vm.gc.Shenandoah

  42  * @key jfr
  43  * @library /test/lib /test/jdk
  44  * @run main/othervm  -Xmx32m -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGarbageThreshold=1 jdk.jfr.event.gc.detailed.TestShenandoahHeapRegionInformationEvent
  45  */
  46 
  47 
  48 public class TestShenandoahHeapRegionInformationEvent {
  49     private final static String EVENT_NAME = EventNames.ShenandoahHeapRegionInformation;
  50     public static void main(String[] args) throws Exception {
  51         try (Recording recording = new Recording()) {
  52             // activate the event we are interested in and start recording
  53             for (EventType t : FlightRecorder.getFlightRecorder().getEventTypes()) {
  54                 System.out.println(t.getName());
  55             }
  56             recording.enable(EVENT_NAME);
  57             recording.start();
  58             recording.stop();
  59 
  60             // Verify recording
  61             List<RecordedEvent> events = Events.fromRecording(recording);