internal static PROCESS_MEMORY_COUNTERS_EX GetCounters(IntPtr hProcess)
{
PROCESS_MEMORY_COUNTERS_EX counters = new PROCESS_MEMORY_COUNTERS_EX();
counters.cb = Marshal.SizeOf(counters);
if (NativeMemoryMethods.GetProcessMemoryInfo(hProcess, out counters, Marshal.SizeOf(counters)) == 0)
{
throw new Win32Exception();
}
return(counters);
}
internal static long GetPrivateWorkingSet(Process process)
{
SYSTEM_INFO sysinfo = new SYSTEM_INFO();
NativeMemoryMethods.GetSystemInfo(ref sysinfo);
int wsInfoLength = (int)(Marshal.SizeOf(new PSAPI_WORKING_SET_INFORMATION()) +
Marshal.SizeOf(new PSAPI_WORKING_SET_BLOCK()) * (process.WorkingSet64 / (sysinfo.dwPageSize)));
IntPtr workingSetPointer = Marshal.AllocHGlobal(wsInfoLength);
if (NativeMemoryMethods.QueryWorkingSet(process.Handle, workingSetPointer, wsInfoLength) == 0)
{
throw new Win32Exception();
}
PSAPI_WORKING_SET_INFORMATION workingSet = GenerateWorkingSetArray(workingSetPointer);
Marshal.FreeHGlobal(workingSetPointer);
return(CalculatePrivatePages(workingSet) * sysinfo.dwPageSize);
}
private Dictionary <string, long> GenerateOracle(int processId)
{
Process testProcess = Process.GetProcessById(processId);
PROCESS_MEMORY_COUNTERS_EX counters = GetCounters(testProcess.Handle);
// Create oracle with correct data to verify against.
Dictionary <string, long> oracle = new Dictionary <string, long>();
oracle.Add("GdiObjectCount", NativeMemoryMethods.GetGuiResources(testProcess.Handle, NativeMemoryMethods.GR_GDIOBJECTS));
oracle.Add("HandleCount", testProcess.HandleCount);
oracle.Add("PageFileBytes", counters.PagefileUsage.ToInt64());
oracle.Add("PageFilePeakBytes", counters.PeakPagefileUsage.ToInt64());
oracle.Add("PoolNonpagedBytes", counters.QuotaNonPagedPoolUsage.ToInt64());
oracle.Add("PoolPagedBytes", counters.QuotaPagedPoolUsage.ToInt64());
oracle.Add("ThreadCount", testProcess.Threads.Count);
oracle.Add("UserObjectCount", NativeMemoryMethods.GetGuiResources(testProcess.Handle, NativeMemoryMethods.GR_USEROBJECTS));
oracle.Add("VirtualMemoryBytes", testProcess.VirtualMemorySize64);
oracle.Add("VirtualMemoryPrivateBytes", counters.PrivateUsage.ToInt64());
oracle.Add("WorkingSetBytes", testProcess.WorkingSet64);
oracle.Add("WorkingSetPeakBytes", testProcess.PeakWorkingSet64);
oracle.Add("WorkingSetPrivateBytes", GetPrivateWorkingSet(testProcess));
return(oracle);
}