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[NTOSKRNL] Add the CcPinReadWait and CcPinReadNoWait counters

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This commit is contained in:
Pierre Schweitzer 2018-02-24 13:47:15 +01:00
parent af6c5806d5
commit 0fbdf31709
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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:
* - Number of calls to CcMapData that could 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 CcMapDataNoWait = 0;
ULONG CcPinReadWait = 0;
ULONG CcPinReadNoWait = 0;
/* FUNCTIONS *****************************************************************/
@ -192,6 +196,15 @@ CcPinRead (
CCTRACE(CC_API_DEBUG, "FileOffset=%p FileOffset=%p Length=%lu Flags=0x%lx\n",
FileObject, FileOffset, Length, Flags);
if (Flags & PIN_WAIT)
{
++CcPinReadWait;
}
else
{
++CcPinReadNoWait;
}
if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer))
{
if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb))