"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Perflib\\009"

// 获取全部进程的cpuMem信息，按内存占用从大到小排序
BOOL CCpuTop::GetCpuMemMap()
{
  LONGLONG tm = tm2 - tm1;
  int i = 1;
  for (itTempMap = mapCpuTemp.begin(); itTempMap != mapCpuTemp.end(); itTempMap++) {
    if ((itTempMap->second.strProcessName != "Idle") && (itTempMap->second.strProcessName != "_Total")) {
      // cpu使用率
      double lfUsage = itTempMap->second.FirstData * 100.0 / tm;
      // 内存占用，单位字节
      unsigned __int64 memSize = itTempMap->second.SecondData;
      int nCpuNumber = GetCpuNumber();
      // 除以cpu核数才是对的
      lfUsage = lfUsage / nCpuNumber;
      CCpuInfo aCpuInfo(itTempMap->first, itTempMap->second.strProcessName, lfUsage, memSize);
      aInfoNode = std::make_pair(aCpuInfo, "");
      // 插入数据，自动按规则排序
      InfoCheckPair = mapCpuMem.insert(aInfoNode);
      if (!InfoCheckPair.second) {
        sprintf((char*)strErrorInfo.c_str(), "获取数据失败");
        printf("第%d次: Insert a node to mapCpuInfo Error\n", i);
        return FALSE;
      }
      i++;
    }
  }
  return TRUE;
}

class CCpuTop
{
public:
  CCpuTop(void);
  ~CCpuTop(void);
public:
  std::map<int, CCpuTemp> mapCpuTemp;
  std::map<int, CCpuTemp>::iterator itTempMap;
  std::pair<int, CCpuTemp> aTempNode;
  std::pair<std::map<int, CCpuTemp>::iterator, bool> TempCheckPair;
  // 带排序规则的map cpu占用率排序
  std::map<CCpuInfo, std::string, CCpuCompare> mapCpuInfo;
  // 带排序规则的map 内存占用大小排序
  std::map<CCpuInfo, std::string, CCpuMemCompare> mapCpuMem;
  std::pair<CCpuInfo, std::string> aInfoNode;
  std::pair<std::map<CCpuInfo, std::string, CCpuCompare>::iterator, bool> InfoCheckPair;
//......
}

// cpu信息 进程id,进程名,使用率，内存占用
class CCpuInfo
{
public:
  CCpuInfo(void);
  CCpuInfo(int _nProcessId, std::string _strProcessName, double _fValue, unsigned __int64 _memSize);
  ~CCpuInfo(void);
public:
  int nProcessId;
  // 进程名字
  std::string strProcessName;
  // cpu占用率
  double fValue;
  // 内存使用
  unsigned __int64 memSize;
};
// 排序规则定义类 cpu占用率大小比较
class CCpuCompare
{
public:
  CCpuCompare(void) = default;
  ~CCpuCompare(void) = default;
public:
  bool operator()(const CCpuInfo& aCpuInfo, const CCpuInfo& bCpuInfo) const; 
};
// 排序规则定义类 内存占用大小比较
class CCpuMemCompare
{
public:
  CCpuMemCompare(void) = default;
  ~CCpuMemCompare(void) = default;
public:
  bool operator()(const CCpuInfo& aCpuInfo, const CCpuInfo& bCpuInfo) const;
};