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[NTOSKRNL] Add the CcPinReadWait and CcPinReadNoWait counters

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Pierre Schweitzer 2018-02-24 13:47:15 +01:00
parent af6c5806d5
commit 0fbdf31709
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GPG key ID: 7545556C3D585B0B
3 changed files with 17 additions and 2 deletions
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13
ntoskrnl/cc/pin.c
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@ -21,9 +21,13 @@ extern NPAGED_LOOKASIDE_LIST iBcbLookasideList;
/* Counters: /* Counters:
* - Number of calls to CcMapData that could wait * - Number of calls to CcMapData that could wait
* - Number of calls to CcMapData that couldn't wait * - 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
*/ */
ULONG CcMapDataWait = 0; ULONG CcMapDataWait = 0;
ULONG CcMapDataNoWait = 0; ULONG CcMapDataNoWait = 0;
ULONG CcPinReadWait = 0;
ULONG CcPinReadNoWait = 0;
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
@ -192,6 +196,15 @@ CcPinRead (
CCTRACE(CC_API_DEBUG, "FileOffset=%p FileOffset=%p Length=%lu Flags=0x%lx\n", CCTRACE(CC_API_DEBUG, "FileOffset=%p FileOffset=%p Length=%lu Flags=0x%lx\n",
FileObject, FileOffset, Length, Flags); FileObject, FileOffset, Length, Flags);
if (Flags & PIN_WAIT)
{
++CcPinReadWait;
}
else
{
++CcPinReadNoWait;
}
if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer)) if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer))
{ {
if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb)) if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb))

4
ntoskrnl/ex/sysinfo.c
View file

@ -693,8 +693,8 @@ QSI_DEF(SystemPerformanceInformation)
Spi->CcMapDataWaitMiss = 0; /* FIXME */ Spi->CcMapDataWaitMiss = 0; /* FIXME */
Spi->CcPinMappedDataCount = 0; /* FIXME */ Spi->CcPinMappedDataCount = 0; /* FIXME */
Spi->CcPinReadNoWait = 0; /* FIXME */ Spi->CcPinReadNoWait = CcPinReadNoWait;
Spi->CcPinReadWait = 0; /* FIXME */ Spi->CcPinReadWait = CcPinReadWait;
Spi->CcPinReadNoWaitMiss = 0; /* FIXME */ Spi->CcPinReadNoWaitMiss = 0; /* FIXME */
Spi->CcPinReadWaitMiss = 0; /* FIXME */ Spi->CcPinReadWaitMiss = 0; /* FIXME */
Spi->CcCopyReadNoWait = 0; /* FIXME */ Spi->CcCopyReadNoWait = 0; /* FIXME */

2
ntoskrnl/include/internal/cc.h
View file

@ -60,6 +60,8 @@ extern ULONG CcLazyWritePages;
extern ULONG CcLazyWriteIos; extern ULONG CcLazyWriteIos;
extern ULONG CcMapDataWait; extern ULONG CcMapDataWait;
extern ULONG CcMapDataNoWait; extern ULONG CcMapDataNoWait;
extern ULONG CcPinReadWait;
extern ULONG CcPinReadNoWait;
typedef struct _PF_SCENARIO_ID typedef struct _PF_SCENARIO_ID
{ {