--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdCheck.java	Sun Jun 24 16:25:47 2018 +0100
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdCheck.java	Mon Jun 25 02:07:42 2018 +0200
@@ -36,6 +36,9 @@
 import jdk.jfr.EventType;
 import jdk.jfr.Recording;
 import jdk.jfr.SettingDescriptor;
+import jdk.jfr.internal.LogLevel;
+import jdk.jfr.internal.LogTag;
+import jdk.jfr.internal.Logger;
 
 /**
  * JFR.check - invoked from native
@@ -59,13 +62,17 @@
         return getResult();
     }
 
-    private void executeInternal(String recordingText, Boolean verbose) throws DCmdException {
+    private void executeInternal(String name, Boolean verbose) throws DCmdException {
+        if (LogTag.JFR_DCMD.shouldLog(LogLevel.DEBUG)) {
+            Logger.log(LogTag.JFR_DCMD, LogLevel.DEBUG, "Executing DCmdCheck: name=" + name + ", verbose=" + verbose);
+        }
+
         if (verbose == null) {
             verbose = Boolean.FALSE;
         }
 
-        if (recordingText != null) {
-            printRecording(findRecording(recordingText), verbose);
+        if (name != null) {
+            printRecording(findRecording(name), verbose);
             return;
         }