windows任務管理器代碼

最後一次修改:2007-10-8 解決沒有SDK情況下使用問題,如果您願意嘗試,可以提取幾個SDK文件試試

via windows:

通過NtQuerySystemInfomation Native API 實現

sample code:

Header: taskmgr.h

 #include <stdio.h>
#include <windows.h>

 

#define STATUS_INFO_LENGTH_MISMATCH      ((NTSTATUS)0xC0000004)
typedef LONG NTSTATUS;
#define Li2Double(x) ((double)((x).HighPart) * 4.294967296E9 + (double)((x).LowPart))

/*  2007-10-8 modified by wanfustudio

//  if you 'll use this code without  "m$ sdk"  you should add this definition

*/


typedef struct _SYSTEM_HANDLE_ENTRY {
    ULONG  OwnerPid;
    BYTE   ObjectType;
    BYTE   HandleFlags;
    USHORT HandleValue;
    PVOID  ObjectPointer;
    ULONG  AccessMask;
} SYSTEM_HANDLE_ENTRY, *PSYSTEM_HANDLE_ENTRY;

typedef struct _SYSTEM_HANDLE_INFORMATION {
    ULONG               Count;
    SYSTEM_HANDLE_ENTRY Handle[1];
} SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION;

 

typedef struct _SYSTEM_CACHE_INFORMATION {
    ULONG CurrentSize;
    ULONG PeakSize;
    ULONG PageFaultCount;
    ULONG MinimumWorkingSet;
    ULONG MaximumWorkingSet;
    ULONG unused[4];
} SYSTEM_CACHE_INFORMATION, *PSYSTEM_CACHE_INFORMATION;


typedef struct _PERFDATA
{
 WCHAR    ImageName[MAX_PATH];
 DWORD    ProcessId;
 WCHAR    UserName[MAX_PATH];
 ULONG    SessionId;
 ULONG    CPUUsage;
 LARGE_INTEGER  CPUTime;
 ULONG    WorkingSetSizeBytes;
 ULONG    PeakWorkingSetSizeBytes;
 ULONG    WorkingSetSizeDelta;
 ULONG    PageFaultCount;
 ULONG    PageFaultCountDelta;
 ULONG    VirtualMemorySizeBytes;
 ULONG    PagedPoolUsagePages;
 ULONG    NonPagedPoolUsagePages;
 ULONG    BasePriority;
 ULONG    HandleCount;
 ULONG    ThreadCount;
 ULONG    USERObjectCount;
 ULONG    GDIObjectCount;
 IO_COUNTERS   IOCounters;

 LARGE_INTEGER  UserTime;
 LARGE_INTEGER  KernelTime;
} PERFDATA, *PPERFDATA;


typedef struct
{
    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;

typedef struct _SYSTEM_TIMEOFDAY_INFORMATION
{
    LARGE_INTEGER BootTime;
    LARGE_INTEGER CurrentTime;
    LARGE_INTEGER TimeZoneBias;
    ULONG TimeZoneId;
    ULONG Reserved;
} SYSTEM_TIMEOFDAY_INFORMATION, *PSYSTEM_TIMEOFDAY_INFORMATION;

//include sys header
typedef struct _THREAD_INFO
{
 LARGE_INTEGER CreateTime;
 DWORD dwUnknown1;
 DWORD dwStartAddress;
 DWORD StartEIP;
 DWORD dwOwnerPID;
 DWORD dwThreadId;
 DWORD dwCurrentPriority;
 DWORD dwBasePriority;
 DWORD dwContextSwitches;
 DWORD Unknown;
 DWORD WaitReason;
 
}THREADINFO, *PTHREADINFO;

typedef struct _UNICODE_STRING
{
 USHORT Length;
 USHORT MaxLength;
 PWSTR Buffer;
} UNICODE_STRING;

typedef struct _SYSTEM_PROCESS_INFORMATION
{
    ULONG NextEntryOffset;
    ULONG NumberOfThreads;
    LARGE_INTEGER SpareLi1;
    LARGE_INTEGER SpareLi2;
    LARGE_INTEGER SpareLi3;
    LARGE_INTEGER CreateTime;
    LARGE_INTEGER UserTime;
    LARGE_INTEGER KernelTime;
    UNICODE_STRING ImageName;
    DWORD BasePriority;
    DWORD UniqueProcessId;
    DWORD InheritedFromUniqueProcessId;
    ULONG HandleCount;
    ULONG SessionId;
    ULONG PageDirectoryFrame;

    //
    // This part corresponds to VM_COUNTERS_EX.
    // NOTE: *NOT* THE SAME AS VM_COUNTERS!
    //
    ULONG PeakVirtualSize;
    ULONG VirtualSize;
    ULONG PageFaultCount;
    ULONG PeakWorkingSetSize;
    ULONG WorkingSetSize;
    ULONG QuotaPeakPagedPoolUsage;
    ULONG QuotaPagedPoolUsage;
    ULONG QuotaPeakNonPagedPoolUsage;
    ULONG QuotaNonPagedPoolUsage;
    ULONG PagefileUsage;
    ULONG PeakPagefileUsage;
    ULONG PrivateUsage;

    //
    // This part corresponds to IO_COUNTERS
    //
    LARGE_INTEGER ReadOperationCount;
    LARGE_INTEGER WriteOperationCount;
    LARGE_INTEGER OtherOperationCount;
    LARGE_INTEGER ReadTransferCount;
    LARGE_INTEGER WriteTransferCount;
    LARGE_INTEGER OtherTransferCount;

    THREADINFO TH[1];
} SYSTEM_PROCESS_INFORMATION, *PSYSTEM_PROCESS_INFORMATION;


typedef struct _SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION {
    LARGE_INTEGER IdleTime;
    LARGE_INTEGER KernelTime;
    LARGE_INTEGER UserTime;
    LARGE_INTEGER DpcTime;
    LARGE_INTEGER InterruptTime;
    ULONG InterruptCount;
} SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION, *PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION;


typedef struct _SYSTEM_BASIC_INFORMATION
{
    ULONG Reserved;
    ULONG TimerResolution;
    ULONG PageSize;
    ULONG NumberOfPhysicalPages;
    ULONG LowestPhysicalPageNumber;
    ULONG HighestPhysicalPageNumber;
    ULONG AllocationGranularity;
    ULONG MinimumUserModeAddress;
    ULONG MaximumUserModeAddress;
    ULONG ActiveProcessorsAffinityMask;
    CCHAR NumberOfProcessors;
} SYSTEM_BASIC_INFORMATION, *PSYSTEM_BASIC_INFORMATION;

typedef enum _SYSTEM_INFORMATION_CLASS {
    SystemBasicInformation = 0,
    SystemCpuInformation = 1,
    SystemPerformanceInformation = 2,
    SystemTimeOfDayInformation = 3, /* was SystemTimeInformation */
    Unknown4,
    SystemProcessInformation = 5,
    Unknown6,
    Unknown7,
    SystemProcessorPerformanceInformation = 8,
    Unknown9,
    Unknown10,
    SystemModuleInformation = 11,
    Unknown12,
    Unknown13,
    Unknown14,
    Unknown15,
    SystemHandleInformation = 16,
    Unknown17,
    SystemPageFileInformation = 18,
    Unknown19,
    Unknown20,
    SystemCacheInformation = 21,
    Unknown22,
    SystemInterruptInformation = 23,
    SystemDpcBehaviourInformation = 24,
    SystemFullMemoryInformation = 25,
    SystemNotImplemented6 = 25,
    SystemLoadImage = 26,
    SystemUnloadImage = 27,
    SystemTimeAdjustmentInformation = 28,
    SystemTimeAdjustment = 28,
    SystemSummaryMemoryInformation = 29,
    SystemNotImplemented7 = 29,
    SystemNextEventIdInformation = 30,
    SystemNotImplemented8 = 30,
    SystemEventIdsInformation = 31,
    SystemCrashDumpInformation = 32,
    SystemExceptionInformation = 33,
    SystemCrashDumpStateInformation = 34,
    SystemKernelDebuggerInformation = 35,
    SystemContextSwitchInformation = 36,
    SystemRegistryQuotaInformation = 37,
    SystemCurrentTimeZoneInformation = 44,
    SystemTimeZoneInformation = 44,
    SystemLookasideInformation = 45,
    SystemSetTimeSlipEvent = 46,
    SystemCreateSession = 47,
    SystemDeleteSession = 48,
    SystemInvalidInfoClass4 = 49,
    SystemRangeStartInformation = 50,
    SystemVerifierInformation = 51,
    SystemAddVerifier = 52,
    SystemSessionProcessesInformation = 53,
    SystemInformationClassMax
} SYSTEM_INFORMATION_CLASS, *PSYSTEM_INFORMATION_CLASS;

 

 

 

 

 

Source: taskmgr.cpp

/****************************************************************
//        獲取任務管理器顯示的所有數據
//        Author: lwf
//    E-MAIL: [email protected]   /  [email protected]
****************************************************************/
#include "taskmgr.h"
#include "TCHAR.H"
#include "iostream.h"


CRITICAL_SECTION                 PerfDataCriticalSection;
PPERFDATA                        pPerfDataOld = NULL;    /* Older perf data (saved to establish delta values) */
PPERFDATA                        pPerfData = NULL;    /* Most recent copy of perf data */
ULONG                            ProcessCountOld = 0;
ULONG                            ProcessCount = 0;
double                            dbIdleTime;
double                            dbKernelTime;
double                            dbSystemTime;
LARGE_INTEGER                    liOldIdleTime = {{0,0}};
double                            OldKernelTime = 0;
LARGE_INTEGER                    liOldSystemTime = {{0,0}};
SYSTEM_PERFORMANCE_INFORMATION    SystemPerfInfo;
SYSTEM_BASIC_INFORMATION        SystemBasicInfo;
SYSTEM_CACHE_INFORMATION        SystemCacheInfo;
SYSTEM_HANDLE_INFORMATION        SystemHandleInfo;
PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION SystemProcessorTimeInfo = NULL;
PSID                             SystemUserSid = NULL;
typedef LONG (WINAPI *PROCNTQSI)(DWORD,PVOID,ULONG,PULONG);//指向Native API NtQuerySystemInformation
PROCNTQSI        NtQuerySystemInformation = NULL; //取系統性能函數

 


BOOL PerfDataInitialize(void)
{
    SID_IDENTIFIER_AUTHORITY NtSidAuthority = {SECURITY_NT_AUTHORITY};
    NTSTATUS    status;

    InitializeCriticalSection(&PerfDataCriticalSection);
 NtQuerySystemInformation = (long(__stdcall*)(DWORD,PVOID,DWORD,DWORD*))
        GetProcAddress(
        GetModuleHandle( "ntdll.dll" ),
        "NtQuerySystemInformation"
        );
    /*
     * Get number of processors in the system
     */
    status = NtQuerySystemInformation(SystemBasicInformation, &SystemBasicInfo, sizeof(SystemBasicInfo), NULL);
    if (status != NO_ERROR)
        return FALSE;

    /*
     * Create the SYSTEM Sid
     */
    AllocateAndInitializeSid(&NtSidAuthority, 1, SECURITY_LOCAL_SYSTEM_RID, 0, 0, 0, 0, 0, 0, 0, &SystemUserSid);
    return TRUE;
}

void PerfDataUninitialize(void)
{
    DeleteCriticalSection(&PerfDataCriticalSection);

    if (SystemUserSid != NULL)
    {
        FreeSid(SystemUserSid);
        SystemUserSid = NULL;
    }
}

static void SidToUserName(PSID Sid, LPTSTR szBuffer, DWORD BufferSize)
{
    static TCHAR szDomainNameUnused[255];
    DWORD DomainNameLen = sizeof(szDomainNameUnused) / sizeof(szDomainNameUnused[0]);
    SID_NAME_USE Use;

    if (Sid != NULL)
        LookupAccountSid(NULL, Sid, szBuffer, &BufferSize, szDomainNameUnused, &DomainNameLen, &Use);
}

void PerfDataRefresh(void)
{
    ULONG                            ulSize;
    NTSTATUS                          status;
    LPBYTE                            pBuffer;
    ULONG                            BufferSize;
    PSYSTEM_PROCESS_INFORMATION        pSPI;
    PPERFDATA                        pPDOld;
    ULONG                            Idx, Idx2;
    HANDLE                            hProcess;
    HANDLE                            hProcessToken;
    SYSTEM_PERFORMANCE_INFORMATION    SysPerfInfo;
    SYSTEM_TIMEOFDAY_INFORMATION      SysTimeInfo;
    //SYSTEM_CACHE_INFORMATION        SysCacheInfo;
    LPBYTE                            SysHandleInfoData;
    PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION SysProcessorTimeInfo;
    double                            CurrentKernelTime;
    PSECURITY_DESCRIPTOR              ProcessSD;
    PSID                              ProcessUser;
    ULONG                             Buffer[64]; /* must be 4 bytes aligned! */

    /* Get new system time */
    status = NtQuerySystemInformation(SystemTimeOfDayInformation, &SysTimeInfo, sizeof(SysTimeInfo), 0);
    if (status != NO_ERROR)
        return;

    /* Get new CPU's idle time */
    status = NtQuerySystemInformation(SystemPerformanceInformation, &SysPerfInfo, sizeof(SysPerfInfo), NULL);
    if (status != NO_ERROR)
        return;

    /* Get system cache information */
    /* status = NtQuerySystemInformation(SystemFileCacheInformation, &SysCacheInfo, sizeof(SysCacheInfo), NULL);
        if (status != NO_ERROR)
            return;
    */

    /* Get processor time information */
    SysProcessorTimeInfo = (PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION)HeapAlloc(GetProcessHeap(), 0, sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * SystemBasicInfo.NumberOfProcessors);
    status = NtQuerySystemInformation(SystemProcessorPerformanceInformation, SysProcessorTimeInfo, sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * SystemBasicInfo.NumberOfProcessors, &ulSize);
    if (status != NO_ERROR)
        return;

    /* Get handle information
     * We don't know how much data there is so just keep
     * increasing the buffer size until the call succeeds
     */
    BufferSize = 0;
    do
    {
        BufferSize += 0x10000;
        SysHandleInfoData = (LPBYTE)HeapAlloc(GetProcessHeap(), 0, BufferSize);

        status = NtQuerySystemInformation(SystemHandleInformation, SysHandleInfoData, BufferSize, &ulSize);

        if (status == STATUS_INFO_LENGTH_MISMATCH) {
            HeapFree(GetProcessHeap(), 0, SysHandleInfoData);
        }

    } while (status == STATUS_INFO_LENGTH_MISMATCH);

    /* Get process information
     * We don't know how much data there is so just keep
     * increasing the buffer size until the call succeeds
     */
    BufferSize = 0;
    do
    {
        BufferSize += 0x10000;
        pBuffer = (LPBYTE)HeapAlloc(GetProcessHeap(), 0, BufferSize);

        status = NtQuerySystemInformation(SystemProcessInformation, pBuffer, BufferSize, &ulSize);

        if (status == STATUS_INFO_LENGTH_MISMATCH) {
            HeapFree(GetProcessHeap(), 0, pBuffer);
        }

    } while (status == STATUS_INFO_LENGTH_MISMATCH);

    EnterCriticalSection(&PerfDataCriticalSection);

    /*
     * Save system performance info
     */
    memcpy(&SystemPerfInfo, &SysPerfInfo, sizeof(SYSTEM_PERFORMANCE_INFORMATION));

    /*
     * Save system cache info
     */
   // memcpy(&SystemCacheInfo, &SysCacheInfo, sizeof(SYSTEM_CACHE_INFORMATION));

    /*
     * Save system processor time info
     */
    if (SystemProcessorTimeInfo) {
        HeapFree(GetProcessHeap(), 0, SystemProcessorTimeInfo);
    }
    SystemProcessorTimeInfo = SysProcessorTimeInfo;

    /*
     * Save system handle info
     */
    memcpy(&SystemHandleInfo, SysHandleInfoData, sizeof(SYSTEM_HANDLE_INFORMATION));
    HeapFree(GetProcessHeap(), 0, SysHandleInfoData);

    for (CurrentKernelTime=0, Idx=0; Idx<(ULONG)SystemBasicInfo.NumberOfProcessors; Idx++) {
        CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].KernelTime);
        CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].DpcTime);
        CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].InterruptTime);
    }

    /* If it's a first call - skip idle time calcs */
    if (liOldIdleTime.QuadPart != 0) {
        /*  CurrentValue = NewValue - OldValue */
        dbIdleTime = Li2Double(SysPerfInfo.IdleProcessTime) - Li2Double(liOldIdleTime);
        dbKernelTime = CurrentKernelTime - OldKernelTime;
        dbSystemTime = Li2Double(SysTimeInfo.CurrentTime) - Li2Double(liOldSystemTime);

        /*  CurrentCpuIdle = IdleTime / SystemTime */
        dbIdleTime = dbIdleTime / dbSystemTime;
        dbKernelTime = dbKernelTime / dbSystemTime;

        /*  CurrentCpuUsage% = 100 - (CurrentCpuIdle * 100) / NumberOfProcessors */
        dbIdleTime = 100.0 - dbIdleTime * 100.0 / (double)SystemBasicInfo.NumberOfProcessors; /* + 0.5; */
        dbKernelTime = 100.0 - dbKernelTime * 100.0 / (double)SystemBasicInfo.NumberOfProcessors; /* + 0.5; */
    }

    /* Store new CPU's idle and system time */
    liOldIdleTime = SysPerfInfo.IdleProcessTime;
    liOldSystemTime = SysTimeInfo.CurrentTime;
    OldKernelTime = CurrentKernelTime;

    /* Determine the process count
     * We loop through the data we got from NtQuerySystemInformation
     * and count how many structures there are (until RelativeOffset is 0)
     */
    ProcessCountOld = ProcessCount;
    ProcessCount = 0;
    pSPI = (PSYSTEM_PROCESS_INFORMATION)pBuffer;
    while (pSPI) {
        ProcessCount++;
        if (pSPI->NextEntryOffset == 0)
            break;
        pSPI = (PSYSTEM_PROCESS_INFORMATION)((LPBYTE)pSPI + pSPI->NextEntryOffset);
    }

    /* Now alloc a new PERFDATA array and fill in the data */
    if (pPerfDataOld) {
        HeapFree(GetProcessHeap(), 0, pPerfDataOld);
    }
    pPerfDataOld = pPerfData;
    pPerfData = (PPERFDATA)HeapAlloc(GetProcessHeap(), 0, sizeof(PERFDATA) * ProcessCount);
    pSPI = (PSYSTEM_PROCESS_INFORMATION)pBuffer;
    for (Idx=0; Idx<ProcessCount; Idx++) {
        /* Get the old perf data for this process (if any) */
        /* so that we can establish delta values */
        pPDOld = NULL;
        for (Idx2=0; Idx2<ProcessCountOld; Idx2++)
  {
            if (pPerfDataOld[Idx2].ProcessId == pSPI->UniqueProcessId) {
                pPDOld = &pPerfDataOld[Idx2];
                break;
            }
        }

        /* Clear out process perf data structure */
        memset(&pPerfData[Idx], 0, sizeof(PERFDATA));

        if (pSPI->ImageName.Buffer)
            wcscpy(pPerfData[Idx].ImageName, pSPI->ImageName.Buffer);
        else
  {
        //    LoadStringW(hInst, IDS_IDLE_PROCESS, pPerfData[Idx].ImageName,
        //                sizeof(pPerfData[Idx].ImageName) / sizeof(pPerfData[Idx].ImageName[0]));
  }

        pPerfData[Idx].ProcessId = pSPI->UniqueProcessId;

        if (pPDOld)    {
            double    CurTime = Li2Double(pSPI->KernelTime) + Li2Double(pSPI->UserTime);
            double    OldTime = Li2Double(pPDOld->KernelTime) + Li2Double(pPDOld->UserTime);
            double    CpuTime = (CurTime - OldTime) / dbSystemTime;
            CpuTime = CpuTime * 100.0 / (double)SystemBasicInfo.NumberOfProcessors; /* + 0.5; */
            pPerfData[Idx].CPUUsage = (ULONG)CpuTime;
        }
        pPerfData[Idx].CPUTime.QuadPart = pSPI->UserTime.QuadPart + pSPI->KernelTime.QuadPart;
        pPerfData[Idx].WorkingSetSizeBytes = pSPI->WorkingSetSize;
        pPerfData[Idx].PeakWorkingSetSizeBytes = pSPI->PeakWorkingSetSize;
        if (pPDOld)
            pPerfData[Idx].WorkingSetSizeDelta = labs((LONG)pSPI->WorkingSetSize - (LONG)pPDOld->WorkingSetSizeBytes);
        else
            pPerfData[Idx].WorkingSetSizeDelta = 0;
        pPerfData[Idx].PageFaultCount = pSPI->PageFaultCount;
        if (pPDOld)
            pPerfData[Idx].PageFaultCountDelta = labs((LONG)pSPI->PageFaultCount - (LONG)pPDOld->PageFaultCount);
        else
            pPerfData[Idx].PageFaultCountDelta = 0;
        pPerfData[Idx].VirtualMemorySizeBytes = pSPI->VirtualSize;
        pPerfData[Idx].PagedPoolUsagePages = pSPI->QuotaPeakPagedPoolUsage;
        pPerfData[Idx].NonPagedPoolUsagePages = pSPI->QuotaPeakNonPagedPoolUsage;
        pPerfData[Idx].BasePriority = pSPI->BasePriority;
        pPerfData[Idx].HandleCount = pSPI->HandleCount;
        pPerfData[Idx].ThreadCount = pSPI->NumberOfThreads;
        pPerfData[Idx].SessionId = pSPI->SessionId;
        pPerfData[Idx].UserName[0] = _T('/0');
        pPerfData[Idx].USERObjectCount = 0;
        pPerfData[Idx].GDIObjectCount = 0;
        ProcessUser = SystemUserSid;
        ProcessSD = NULL;

        if (pSPI->UniqueProcessId != NULL) {
            hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | READ_CONTROL, FALSE, PtrToUlong(pSPI->UniqueProcessId));
            if (hProcess) {
                /* don't query the information of the system process. It's possible but
                   returns Administrators as the owner of the process instead of SYSTEM */
                if (pSPI->UniqueProcessId != 0x4)
                {
                    if (OpenProcessToken(hProcess, TOKEN_QUERY, &hProcessToken))
                    {
                        DWORD RetLen = 0;
                        BOOL Ret;

                        Ret = GetTokenInformation(hProcessToken, TokenUser, (LPVOID)Buffer, sizeof(Buffer), &RetLen);
                        CloseHandle(hProcessToken);

                        if (Ret)
                            ProcessUser = ((PTOKEN_USER)Buffer)->User.Sid;
                        else
                            goto ReadProcOwner;
                    }
                    else
                    {
ReadProcOwner:
     ;

 /*

以下幾行包含 GetSecurityInfo, GDIObjectCount ,GetGuiResources,GetProcessIoCounters

均被註釋掉了,因爲如果你沒有SDK編譯不過,如果你安裝了SDK可以使用

*/
                     //   GetSecurityInfo(hProcess, SE_KERNEL_OBJECT, OWNER_SECURITY_INFORMATION, &ProcessUser, NULL, NULL, NULL, &ProcessSD);
                    }

                    //pPerfData[Idx].USERObjectCount = GetGuiResources(hProcess, GR_USEROBJECTS);
                    //pPerfData[Idx].GDIObjectCount = GetGuiResources(hProcess, GR_GDIOBJECTS);
                }

                //GetProcessIoCounters(hProcess, &pPerfData[Idx].IOCounters);
                CloseHandle(hProcess);
            } else {
                goto ClearInfo;
            }
        } else {
ClearInfo:
            /* clear information we were unable to fetch */
            ZeroMemory(&pPerfData[Idx].IOCounters, sizeof(IO_COUNTERS));
        }

        //SidToUserName(ProcessUser, pPerfData[Idx].UserName, sizeof(pPerfData[0].UserName) / sizeof(pPerfData[0].UserName[0]));

        if (ProcessSD != NULL)
        {
            LocalFree((HLOCAL)ProcessSD);
        }

        pPerfData[Idx].UserTime.QuadPart = pSPI->UserTime.QuadPart;
        pPerfData[Idx].KernelTime.QuadPart = pSPI->KernelTime.QuadPart;
        pSPI = (PSYSTEM_PROCESS_INFORMATION)((LPBYTE)pSPI + pSPI->NextEntryOffset);
    }
    HeapFree(GetProcessHeap(), 0, pBuffer);
    LeaveCriticalSection(&PerfDataCriticalSection);
}

ULONG PerfDataGetProcessCount(void)
{
    return ProcessCount;
}

ULONG PerfDataGetProcessorUsage(void)
{
    return (ULONG)dbIdleTime;
}

ULONG PerfDataGetProcessorSystemUsage(void)
{
    return (ULONG)dbKernelTime;
}

BOOL PerfDataGetImageName(ULONG Index, LPTSTR lpImageName, int nMaxCount)
{
    BOOL    bSuccessful;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount) {
        #ifdef _UNICODE
            wcsncpy(lpImageName, pPerfData[Index].ImageName, nMaxCount);
        #else
            WideCharToMultiByte(CP_ACP, 0, pPerfData[Index].ImageName, -1, lpImageName, nMaxCount, NULL, NULL);
        #endif

        bSuccessful = TRUE;
    } else {
        bSuccessful = FALSE;
    }
    LeaveCriticalSection(&PerfDataCriticalSection);
    return bSuccessful;
}

int PerfGetIndexByProcessId(DWORD dwProcessId)
{
    int Index, FoundIndex = -1;

    EnterCriticalSection(&PerfDataCriticalSection);

    for (Index = 0; Index < (int)ProcessCount; Index++)
    {
        if ((DWORD)pPerfData[Index].ProcessId == dwProcessId)
        {
            FoundIndex = Index;
            break;
        }
    }

    LeaveCriticalSection(&PerfDataCriticalSection);

    return FoundIndex;
}

ULONG PerfDataGetProcessId(ULONG Index)
{
    ULONG    ProcessId;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        ProcessId = (ULONG)pPerfData[Index].ProcessId;
    else
        ProcessId = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return ProcessId;
}

BOOL PerfDataGetUserName(ULONG Index, LPTSTR lpUserName, int nMaxCount)
{
    BOOL    bSuccessful;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount) {
        #ifdef _UNICODE
            wcsncpy(lpUserName, pPerfData[Index].UserName, nMaxCount);
        #else
            WideCharToMultiByte(CP_ACP, 0, pPerfData[Index].UserName, -1, lpUserName, nMaxCount, NULL, NULL);
        #endif

        bSuccessful = TRUE;
    } else {
        bSuccessful = FALSE;
    }

    LeaveCriticalSection(&PerfDataCriticalSection);

    return bSuccessful;
}

ULONG PerfDataGetSessionId(ULONG Index)
{
    ULONG    SessionId;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        SessionId = pPerfData[Index].SessionId;
    else
        SessionId = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return SessionId;
}

ULONG PerfDataGetCPUUsage(ULONG Index)
{
    ULONG    CpuUsage;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        CpuUsage = pPerfData[Index].CPUUsage;
    else
        CpuUsage = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return CpuUsage;
}

LARGE_INTEGER PerfDataGetCPUTime(ULONG Index)
{
    LARGE_INTEGER    CpuTime = {{0,0}};

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        CpuTime = pPerfData[Index].CPUTime;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return CpuTime;
}

ULONG PerfDataGetWorkingSetSizeBytes(ULONG Index)
{
    ULONG    WorkingSetSizeBytes;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        WorkingSetSizeBytes = pPerfData[Index].WorkingSetSizeBytes;
    else
        WorkingSetSizeBytes = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return WorkingSetSizeBytes;
}

ULONG PerfDataGetPeakWorkingSetSizeBytes(ULONG Index)
{
    ULONG    PeakWorkingSetSizeBytes;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        PeakWorkingSetSizeBytes = pPerfData[Index].PeakWorkingSetSizeBytes;
    else
        PeakWorkingSetSizeBytes = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return PeakWorkingSetSizeBytes;
}

ULONG PerfDataGetWorkingSetSizeDelta(ULONG Index)
{
    ULONG    WorkingSetSizeDelta;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        WorkingSetSizeDelta = pPerfData[Index].WorkingSetSizeDelta;
    else
        WorkingSetSizeDelta = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return WorkingSetSizeDelta;
}

ULONG PerfDataGetPageFaultCount(ULONG Index)
{
    ULONG    PageFaultCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        PageFaultCount = pPerfData[Index].PageFaultCount;
    else
        PageFaultCount = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return PageFaultCount;
}

ULONG PerfDataGetPageFaultCountDelta(ULONG Index)
{
    ULONG    PageFaultCountDelta;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        PageFaultCountDelta = pPerfData[Index].PageFaultCountDelta;
    else
        PageFaultCountDelta = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return PageFaultCountDelta;
}

ULONG PerfDataGetVirtualMemorySizeBytes(ULONG Index)
{
    ULONG    VirtualMemorySizeBytes;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        VirtualMemorySizeBytes = pPerfData[Index].VirtualMemorySizeBytes;
    else
        VirtualMemorySizeBytes = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return VirtualMemorySizeBytes;
}

ULONG PerfDataGetPagedPoolUsagePages(ULONG Index)
{
    ULONG    PagedPoolUsage;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        PagedPoolUsage = pPerfData[Index].PagedPoolUsagePages;
    else
        PagedPoolUsage = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return PagedPoolUsage;
}

ULONG PerfDataGetNonPagedPoolUsagePages(ULONG Index)
{
    ULONG    NonPagedPoolUsage;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        NonPagedPoolUsage = pPerfData[Index].NonPagedPoolUsagePages;
    else
        NonPagedPoolUsage = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return NonPagedPoolUsage;
}

ULONG PerfDataGetBasePriority(ULONG Index)
{
    ULONG    BasePriority;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        BasePriority = pPerfData[Index].BasePriority;
    else
        BasePriority = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return BasePriority;
}
//進程的句柄數
ULONG PerfDataGetHandleCount(ULONG Index)
{
    ULONG    HandleCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        HandleCount = pPerfData[Index].HandleCount;
    else
        HandleCount = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return HandleCount;
}
//  進程的線程數
ULONG PerfDataGetThreadCount(ULONG Index)
{
    ULONG    ThreadCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        ThreadCount = pPerfData[Index].ThreadCount;
    else
        ThreadCount = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return ThreadCount;
}

ULONG PerfDataGetUSERObjectCount(ULONG Index)
{
    ULONG    USERObjectCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        USERObjectCount = pPerfData[Index].USERObjectCount;
    else
        USERObjectCount = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return USERObjectCount;
}

ULONG PerfDataGetGDIObjectCount(ULONG Index)
{
    ULONG    GDIObjectCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
        GDIObjectCount = pPerfData[Index].GDIObjectCount;
    else
        GDIObjectCount = 0;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return GDIObjectCount;
}

BOOL PerfDataGetIOCounters(ULONG Index, PIO_COUNTERS pIoCounters)
{
    BOOL    bSuccessful;

    EnterCriticalSection(&PerfDataCriticalSection);

    if (Index < ProcessCount)
    {
        memcpy(pIoCounters, &pPerfData[Index].IOCounters, sizeof(IO_COUNTERS));
        bSuccessful = TRUE;
    }
    else
        bSuccessful = FALSE;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return bSuccessful;
}
//提交總量
ULONG PerfDataGetCommitChargeTotalK(void)
{
    ULONG    Total;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Total = SystemPerfInfo.CommittedPages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Total = Total * (PageSize / 1024);

    return Total;
}
//提交限制
ULONG PerfDataGetCommitChargeLimitK(void)
{
    ULONG    Limit;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Limit = SystemPerfInfo.CommitLimit;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Limit = Limit * (PageSize / 1024);

    return Limit;
}
//提交峯值
ULONG PerfDataGetCommitChargePeakK(void)
{
    ULONG    Peak;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Peak = SystemPerfInfo.PeakCommitment;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Peak = Peak * (PageSize / 1024);

    return Peak;
}
//核心內存總量
ULONG PerfDataGetKernelMemoryTotalK(void)
{
    ULONG    Total;
    ULONG    Paged;
    ULONG    NonPaged;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Paged = SystemPerfInfo.PagedPoolPages;
    NonPaged = SystemPerfInfo.NonPagedPoolPages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Paged = Paged * (PageSize / 1024);
    NonPaged = NonPaged * (PageSize / 1024);

    Total = Paged + NonPaged;

    return Total;
}
//內核分頁內存
ULONG PerfDataGetKernelMemoryPagedK(void)
{
    ULONG    Paged;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Paged = SystemPerfInfo.PagedPoolPages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Paged = Paged * (PageSize / 1024);

    return Paged;
}
//內核非分頁內存
ULONG PerfDataGetKernelMemoryNonPagedK(void)
{
    ULONG    NonPaged;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    NonPaged = SystemPerfInfo.NonPagedPoolPages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    NonPaged = NonPaged * (PageSize / 1024);

    return NonPaged;
}
//總物理內存
ULONG PerfDataGetPhysicalMemoryTotalK(void)
{
    ULONG    Total;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Total = SystemBasicInfo.NumberOfPhysicalPages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Total = Total * (PageSize / 1024);

    return Total;
}
//可用物理內存
ULONG PerfDataGetPhysicalMemoryAvailableK(void)
{
    ULONG    Available;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    Available = SystemPerfInfo.AvailablePages;
    PageSize = SystemBasicInfo.PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    Available = Available * (PageSize / 1024);

    return Available;
}
//物理內存系統緩存
ULONG PerfDataGetPhysicalMemorySystemCacheK(void)
{
    ULONG    SystemCache;
    ULONG    PageSize;

    EnterCriticalSection(&PerfDataCriticalSection);

    PageSize = SystemBasicInfo.PageSize;
    SystemCache = SystemCacheInfo.CurrentSize * PageSize;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return SystemCache / 1024;
}
//句柄數
ULONG PerfDataGetSystemHandleCount(void)
{
    ULONG    HandleCount;

    EnterCriticalSection(&PerfDataCriticalSection);

    HandleCount = SystemHandleInfo.Count;

    LeaveCriticalSection(&PerfDataCriticalSection);

    return HandleCount;
}
//線程數
ULONG PerfDataGetTotalThreadCount(void)
{
    ULONG    ThreadCount = 0;
    ULONG    i;

    EnterCriticalSection(&PerfDataCriticalSection);

    for (i=0; i<ProcessCount; i++)
    {
        ThreadCount += pPerfData[i].ThreadCount;
    }

    LeaveCriticalSection(&PerfDataCriticalSection);

    return ThreadCount;
}


int main()
{
  PerfDataInitialize();
  while (1)
  {
   //...get data
   //for eg.
   PerfDataRefresh();
   cout <<"CPU: PID:0 ,Usage: "<<PerfDataGetCPUUsage(PerfGetIndexByProcessId(0))<<endl;
   cout <<"CPU: PID:0 ,Usage: "<<PerfDataGetCPUUsage(PerfGetIndexByProcessId(4))<<endl;
   Sleep(1000);
  }
  return 0;
}

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