src/jdk.jfr/share/conf/jfr/default.jfc

*** 339,348 ****
--- 339,353 ----
      <event name="jdk.GarbageCollection">
        <setting name="enabled" control="gc-enabled-normal">true</setting>
        <setting name="threshold">0 ms</setting>
      </event>
  
+     <event name="jdk.SystemGC">
+       <setting name="enabled">true</setting>
+       <setting name="stackTrace">true</setting>
+     </event>
+ 
      <event name="jdk.ParallelOldGarbageCollection">
        <setting name="enabled" control="gc-enabled-normal">true</setting>
        <setting name="threshold">0 ms</setting>
      </event>