163 lines
4 KiB
C
163 lines
4 KiB
C
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#ifndef _PERFDATA_H_
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#define _PERFDATA_H_
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#define INITIAL_SIZE ((DWORD)0x00010000)
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#define EXTEND_SIZE ((DWORD)0x00008000)
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#define RESERVED 0L
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typedef LPVOID LPMEMORY;
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typedef HGLOBAL HMEMORY;
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#ifndef _NTDEF_
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typedef struct _UNICODE_STRING {
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USHORT Length;
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USHORT MaximumLength;
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PWSTR Buffer;
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} UNICODE_STRING, *PUNICODE_STRING;
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#define UNICODE_NULL ((WCHAR)0) // winnt
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#endif
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LPWSTR
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*BuildNameTable(
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LPWSTR szComputerName, // computer to query names from
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LPWSTR lpszLangId, // unicode value of Language subkey
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FILETIME *pLastUpdate, // time stamp of the last update
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PDWORD pdwLastItem // size of array in elements
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);
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#define FirstObject(pPerfData) \
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(PPERF_OBJECT_TYPE)((PBYTE)(pPerfData) + (pPerfData)->HeaderLength)
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#define NextObject(pObject) \
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(PPERF_OBJECT_TYPE)((pObject)->TotalByteLength != 0 ? (PPERF_OBJECT_TYPE)((PBYTE)(pObject) + (pObject)->TotalByteLength) : NULL)
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PERF_OBJECT_TYPE *
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GetObjectDefByTitleIndex(
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IN PERF_DATA_BLOCK *pDataBlock,
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IN DWORD ObjectTypeTitleIndex
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);
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PERF_OBJECT_TYPE *
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GetObjectDefByName (
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IN PERF_DATA_BLOCK *pDataBlock,
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IN DWORD dwLastNameIndex,
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IN LPCWSTR *NameArray,
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IN LPCWSTR szObjectName
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);
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#define FirstInstance(pObjectDef) \
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(PERF_INSTANCE_DEFINITION *)((PCHAR) pObjectDef + pObjectDef->DefinitionLength)
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__inline
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PERF_INSTANCE_DEFINITION *
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NextInstance(
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IN PERF_INSTANCE_DEFINITION *pInstDef
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)
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{
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PERF_COUNTER_BLOCK *pCounterBlock;
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pCounterBlock = (PERF_COUNTER_BLOCK *)
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((PCHAR) pInstDef + pInstDef->ByteLength);
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return (PERF_INSTANCE_DEFINITION *)
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((PCHAR) pCounterBlock + pCounterBlock->ByteLength);
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}
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PERF_INSTANCE_DEFINITION *
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GetInstance(
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IN PERF_OBJECT_TYPE *pObjectDef,
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IN LONG InstanceNumber
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);
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PERF_INSTANCE_DEFINITION *
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GetInstanceByUniqueId(
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IN PERF_OBJECT_TYPE *pObjectDef,
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IN LONG InstanceUniqueId
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);
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DWORD
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GetInstanceNameStr (PPERF_INSTANCE_DEFINITION pInstance,
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LPWSTR lpszInstance,
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DWORD dwCodePage);
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DWORD
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GetFullInstanceNameStr (
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PERF_DATA_BLOCK *pPerfData,
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PERF_OBJECT_TYPE *pObjectDef,
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PERF_INSTANCE_DEFINITION *pInstanceDef,
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LPWSTR szInstanceName
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);
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#define FirstCounter(pObjectDef) \
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(PERF_COUNTER_DEFINITION *)((PCHAR)(pObjectDef) + (pObjectDef)->HeaderLength)
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#define NextCounter(pCounterDef) \
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(PERF_COUNTER_DEFINITION *)(((pCounterDef)->ByteLength != 0) ? (PERF_COUNTER_DEFINITION *)((PCHAR)(pCounterDef) + (pCounterDef)->ByteLength) : NULL)
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PERF_COUNTER_DEFINITION *
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GetCounterDefByName (
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IN PERF_OBJECT_TYPE *pObject,
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IN DWORD dwLastNameIndex,
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IN LPWSTR *NameArray,
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IN LPWSTR szCounterName
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);
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PERF_COUNTER_DEFINITION *
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GetCounterDefByTitleIndex(
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IN PERF_OBJECT_TYPE *pObjectDef,
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IN BOOL bBaseCounterDef,
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IN DWORD CounterTitleIndex
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);
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LONG
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GetSystemPerfData (
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IN HKEY hKeySystem,
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IN PPERF_DATA_BLOCK *pPerfData,
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IN LPWSTR szObjectList,
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IN BOOL bCollectCostlyData
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);
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PERF_INSTANCE_DEFINITION *
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GetInstanceByName(
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PERF_DATA_BLOCK *pDataBlock,
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PERF_OBJECT_TYPE *pObjectDef,
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LPWSTR pInstanceName,
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LPWSTR pParentName,
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DWORD dwIndex
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);
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__inline
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PVOID
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GetCounterDataPtr (
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PERF_OBJECT_TYPE *pObjectDef,
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PERF_COUNTER_DEFINITION *pCounterDef
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)
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{
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PERF_COUNTER_BLOCK *pCtrBlock;
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pCtrBlock = (PERF_COUNTER_BLOCK *)((PCHAR)pObjectDef +
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pObjectDef->DefinitionLength);
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return (PVOID)((PCHAR)pCtrBlock + pCounterDef->CounterOffset);
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}
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__inline
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PVOID
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GetInstanceCounterDataPtr (
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PERF_OBJECT_TYPE *pObjectDef,
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PERF_INSTANCE_DEFINITION *pInstanceDef,
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PERF_COUNTER_DEFINITION *pCounterDef
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)
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{
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PERF_COUNTER_BLOCK *pCtrBlock;
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pCtrBlock = (PERF_COUNTER_BLOCK *)((PCHAR)pInstanceDef +
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pInstanceDef->ByteLength);
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return (PVOID)((PCHAR)pCtrBlock + pCounterDef->CounterOffset);
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}
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#endif //_PERFDATA_H_
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