src/hotspot/share/jfr/metadata/metadata.xml

*** 977,986 ****
--- 977,1007 ----
    <Event name="ZStatisticsSampler" category="Java Virtual Machine, GC, Detailed" label="Z Statistics Sampler" thread="true" experimental="true">
      <Field type="ZStatisticsSamplerType" name="id" label="Id" />
      <Field type="ulong" name="value" label="Value" />
    </Event>
  
+   <Event name="ShenandoahHeapRegionStateChange" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region State Change" description="Information about a Shenandoah heap region state change"
+     startTime="false" experimental="true">
+     <Field type="uint" name="index" label="Index" />
+     <Field type="ShenandoahHeapRegionState" name="from" label="From" />
+     <Field type="ShenandoahHeapRegionState" name="to" label="To" />
+     <Field type="ulong" contentType="address" name="start" label="Start" />
+     <Field type="ulong" contentType="bytes" name="used" label="Used" />
+   </Event>
+ 
+   <Event name="ShenandoahHeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region Information" description="Information about a specific heap region in the Shenandoah GC"
+     period="everyChunk" experimental="true">
+     <Field type="uint" name="index" label="Index" />
+     <Field type="ShenandoahHeapRegionState" name="state" label="State" />
+     <Field type="ulong" contentType="address" name="start" label="Start" />
+     <Field type="ulong" contentType="bytes" name="used" label="Used" />
+   </Event>
+ 
+   <Type name="ShenandoahHeapRegionState" label="Shenandoah Heap Region State">
+     <Field type="string" name="state" label="State" />
+   </Type>
+ 
    <Type name="ZStatisticsCounterType" label="Z Statistics Counter">
      <Field type="string" name="counter" label="Counter" />
    </Type>
  
    <Type name="ZStatisticsSamplerType" label="Z Statistics Sampler">