diff -r a7d850b47b19 -r 6a21dba79b81 src/jdk.jfr/share/conf/jfr/default.jfc
--- a/src/jdk.jfr/share/conf/jfr/default.jfc	Sat Oct 26 23:59:51 2019 +0200
+++ b/src/jdk.jfr/share/conf/jfr/default.jfc	Mon Oct 28 18:43:04 2019 +0100
@@ -719,13 +719,13 @@
     </event>
 
     <event name="jdk.ZStatisticsCounter">
-      <setting name="enabled">true</setting>
-      <setting name="threshold">10 ms</setting>
+      <setting name="enabled">false</setting>
+      <setting name="threshold">0 ms</setting>
     </event>
 
     <event name="jdk.ZStatisticsSampler">
-      <setting name="enabled">true</setting>
-      <setting name="threshold">10 ms</setting>
+      <setting name="enabled">false</setting>
+      <setting name="threshold">0 ms</setting>
     </event>