#ifndef MEMTEST_H
#define MEMTEST_H

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

// Class 2
typedef struct _SYSTEM_PERFORMANCE_INFORMATION
{
    LARGE_INTEGER IdleProcessTime;
    LARGE_INTEGER IoReadTransferCount;
    LARGE_INTEGER IoWriteTransferCount;
    LARGE_INTEGER IoOtherTransferCount;
    ULONG IoReadOperationCount;
    ULONG IoWriteOperationCount;
    ULONG IoOtherOperationCount;
    ULONG AvailablePages;
    ULONG CommittedPages;
    ULONG CommitLimit;
    ULONG PeakCommitment;
    ULONG PageFaultCount;
    ULONG CopyOnWriteCount;
    ULONG TransitionCount;
    ULONG CacheTransitionCount;
    ULONG DemandZeroCount;
    ULONG PageReadCount;
    ULONG PageReadIoCount;
    ULONG CacheReadCount;
    ULONG CacheIoCount;
    ULONG DirtyPagesWriteCount;
    ULONG DirtyWriteIoCount;
    ULONG MappedPagesWriteCount;
    ULONG MappedWriteIoCount;
    ULONG PagedPoolPages;
    ULONG NonPagedPoolPages;
    ULONG PagedPoolAllocs;
    ULONG PagedPoolFrees;
    ULONG NonPagedPoolAllocs;
    ULONG NonPagedPoolFrees;
    ULONG FreeSystemPtes;
    ULONG ResidentSystemCodePage;
    ULONG TotalSystemDriverPages;
    ULONG TotalSystemCodePages;
    ULONG NonPagedPoolLookasideHits;
    ULONG PagedPoolLookasideHits;
    ULONG Spare3Count;
    ULONG ResidentSystemCachePage;
    ULONG ResidentPagedPoolPage;
    ULONG ResidentSystemDriverPage;
    ULONG CcFastReadNoWait;
    ULONG CcFastReadWait;
    ULONG CcFastReadResourceMiss;
    ULONG CcFastReadNotPossible;
    ULONG CcFastMdlReadNoWait;
    ULONG CcFastMdlReadWait;
    ULONG CcFastMdlReadResourceMiss;
    ULONG CcFastMdlReadNotPossible;
    ULONG CcMapDataNoWait;
    ULONG CcMapDataWait;
    ULONG CcMapDataNoWaitMiss;
    ULONG CcMapDataWaitMiss;
    ULONG CcPinMappedDataCount;
    ULONG CcPinReadNoWait;
    ULONG CcPinReadWait;
    ULONG CcPinReadNoWaitMiss;
    ULONG CcPinReadWaitMiss;
    ULONG CcCopyReadNoWait;
    ULONG CcCopyReadWait;
    ULONG CcCopyReadNoWaitMiss;
    ULONG CcCopyReadWaitMiss;
    ULONG CcMdlReadNoWait;
    ULONG CcMdlReadWait;
    ULONG CcMdlReadNoWaitMiss;
    ULONG CcMdlReadWaitMiss;
    ULONG CcReadAheadIos;
    ULONG CcLazyWriteIos;
    ULONG CcLazyWritePages;
    ULONG CcDataFlushes;
    ULONG CcDataPages;
    ULONG ContextSwitches;
    ULONG FirstLevelTbFills;
    ULONG SecondLevelTbFills;
    ULONG SystemCalls;
} SYSTEM_PERFORMANCE_INFORMATION, *PSYSTEM_PERFORMANCE_INFORMATION;

#define SystemPerformanceInformation 2


LONG
NTAPI
ZwQuerySystemInformation(
    IN ULONG SystemInformationClass,
    OUT PVOID SystemInformation,
    IN ULONG Length,
    OUT PULONG ResultLength
);


#endif /* MEMTEST_H */