01/02: [NTOSKRNL] Add the CcMapDataWait and CcMapDataNoWait counters

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=227c4321c26f42068bf64…

commit 227c4321c26f42068bf64aefcc37cad16e08cd94
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sat Feb 24 13:28:45 2018 +0100
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sat Feb 24 13:36:26 2018 +0100

    [NTOSKRNL] Add the CcMapDataWait and CcMapDataNoWait counters
---
 ntoskrnl/cc/pin.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c
index 7b8d878731..d0a0d7e930 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);