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

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=227c4321c26f42068bf64a...

commit 227c4321c26f42068bf64aefcc37cad16e08cd94
Author:     Pierre Schweitzer [e-mail]
AuthorDate: Sat Feb 24 13:28:45 2018 +0100
Commit:     Pierre Schweitzer [e-mail]
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);