[ros-diffs] 02/02: [NTOSKRNL] Add the CcPinMappedDataCount counter

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=3d13a464f7b12534f3200…

commit 3d13a464f7b12534f32008f8c6eb3509cc1e456b
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sat Oct 13 22:50:49 2018 +0200
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sat Oct 13 22:51:44 2018 +0200

    [NTOSKRNL] Add the CcPinMappedDataCount counter
---
 ntoskrnl/cc/pin.c              | 4 ++++
 ntoskrnl/ex/sysinfo.c          | 2 +-
 ntoskrnl/include/internal/cc.h | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c
index 37eca96de1..4f0e4f5a82 100644
--- a/ntoskrnl/cc/pin.c
+++ b/ntoskrnl/cc/pin.c
@@ -23,11 +23,13 @@ extern NPAGED_LOOKASIDE_LIST iBcbLookasideList;
  * - Number of calls to CcMapData that couldn't wait
  * - Number of calls to CcPinRead that could wait
  * - Number of calls to CcPinRead that couldn't wait
+ * - Number of calls to CcPinMappedDataCount
  */
 ULONG CcMapDataWait = 0;
 ULONG CcMapDataNoWait = 0;
 ULONG CcPinReadWait = 0;
 ULONG CcPinReadNoWait = 0;
+ULONG CcPinMappedDataCount = 0;
 
 /* FUNCTIONS *****************************************************************/
 
@@ -429,6 +431,8 @@ CcPinMappedData (
 
     iBcb = *Bcb;
 
+    ++CcPinMappedDataCount;
+
     Result = CcpPinData(SharedCacheMap, FileOffset, Length, Flags, Bcb, &Buffer);
     if (Result)
     {
diff --git a/ntoskrnl/ex/sysinfo.c b/ntoskrnl/ex/sysinfo.c
index ab8481b328..09b9a6359c 100644
--- a/ntoskrnl/ex/sysinfo.c
+++ b/ntoskrnl/ex/sysinfo.c
@@ -767,7 +767,7 @@ QSI_DEF(SystemPerformanceInformation)
     Spi->CcMapDataNoWaitMiss = 0; /* FIXME */
     Spi->CcMapDataWaitMiss = 0; /* FIXME */
 
-    Spi->CcPinMappedDataCount = 0; /* FIXME */
+    Spi->CcPinMappedDataCount = CcPinMappedDataCount;
     Spi->CcPinReadNoWait = CcPinReadNoWait;
     Spi->CcPinReadWait = CcPinReadWait;
     Spi->CcPinReadNoWaitMiss = 0; /* FIXME */
diff --git a/ntoskrnl/include/internal/cc.h b/ntoskrnl/include/internal/cc.h
index 16dd1f67f0..8a5fb73838 100644
--- a/ntoskrnl/include/internal/cc.h
+++ b/ntoskrnl/include/internal/cc.h
@@ -62,6 +62,7 @@ extern ULONG CcMapDataWait;
 extern ULONG CcMapDataNoWait;
 extern ULONG CcPinReadWait;
 extern ULONG CcPinReadNoWait;
+extern ULONG CcPinMappedDataCount;
 extern ULONG CcDataPages;
 extern ULONG CcDataFlushes;