diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c
index 7b8d8787310..d0a0d7e9307 100644
--- a/ntoskrnl/cc/pin.c
+++ b/ntoskrnl/cc/pin.c
@@ -18,6 +18,9 @@
 
 extern NPAGED_LOOKASIDE_LIST iBcbLookasideList;
 
+ULONG CcMapDataWait = 0;
+ULONG CcMapDataNoWait = 0;
+
 /* FUNCTIONS *****************************************************************/
 
 /*
@@ -45,6 +48,15 @@ CcMapData (
            " pBcb 0x%p, pBuffer 0x%p)\n", FileObject, FileOffset->QuadPart,
            Length, Flags, pBcb, pBuffer);
 
+    if (Flags & MAP_WAIT)
+    {
+        ++CcMapDataWait;
+    }
+    else
+    {
+        ++CcMapDataNoWait;
+    }
+
     ReadOffset = FileOffset->QuadPart;
 
     ASSERT(FileObject);