diff -r 80e1201f6c9a -r a0f39cc47387 src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java	Fri Nov 22 09:06:35 2019 -0500
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java	Fri Nov 22 17:20:43 2019 +0100
@@ -85,6 +85,7 @@
     private AccessControlContext noDestinationDumpOnExitAccessControlContext;
     private boolean shuoldWriteActiveRecordingEvent = true;
     private Duration flushInterval = Duration.ofSeconds(1);
+    private long finalStartChunkNanos = Long.MIN_VALUE;
 
     PlatformRecording(PlatformRecorder recorder, long id) {
         // Typically the access control context is taken
@@ -811,4 +812,12 @@
             return Long.MAX_VALUE;
         }
     }
+
+    public long getFinalChunkStartNanos() {
+        return finalStartChunkNanos;
+    }
+
+    public void setFinalStartnanos(long chunkStartNanos) {
+       this.finalStartChunkNanos = chunkStartNanos;
+    }
 }