private List <KeyValuePair <int, ulong> > ObtainPerProcessUsage()
{
List <KeyValuePair <int, ulong> > IOBytes;
SortedDictionary <int, IO_COUNTERS> Counts = new SortedDictionary <int, IO_COUNTERS>();
HashSet <int> ForegroundPids = Lagfree.GetForegroundPids();
Process[] procs = Process.GetProcesses();
DateTime CountsTime = DateTime.UtcNow;
if ((LastCountsTime - CountsTime).TotalMilliseconds >= CheckInterval * 2)
{
LastCounts.Clear();
}
IOBytes = new List <KeyValuePair <int, ulong> >(procs.Length);
ulong SafeSub(ulong a, ulong b) => a >= b ? a - b : 0;
foreach (var proc in procs)
{
try
{
int pid = proc.Id;
if (pid == 0 || pid == 4 || pid == Lagfree.MyPid || pid == Lagfree.AgentPid ||
ForegroundPids.Contains(pid) ||
Lagfree.IgnoredProcessNames.Contains(proc.ProcessName))
{
continue;
}
using (SafeProcessHandle hProcess = proc.SafeHandle)
{
IO_COUNTERS curr = GetIOCounters(hProcess);
Counts.Add(proc.Id, curr);
if (LastCounts.ContainsKey(proc.Id))
{
IO_COUNTERS last = LastCounts[proc.Id];
IOBytes.Add(new KeyValuePair <int, ulong>(proc.Id,
SafeSub(curr.ReadTransferCount, last.ReadTransferCount) +
SafeSub(curr.WriteTransferCount, last.WriteTransferCount) +
SafeSub(curr.OtherTransferCount, last.OtherTransferCount) +
(
SafeSub(curr.ReadOperationCount, last.ReadOperationCount) +
SafeSub(curr.WriteOperationCount, last.WriteOperationCount) +
SafeSub(curr.OtherOperationCount, last.OtherOperationCount)
)
));
}
}
}
catch (Win32Exception) { }
catch (InvalidOperationException) { }
catch (Exception ex) { WriteLogEntry(3000, ex.GetType().Name + ":" + ex.Message + "\n" + ex.StackTrace, true); }
}
IOBytes.Sort(new Comparison <KeyValuePair <int, ulong> >((x, y) => (y.Value > x.Value) ? 1 : ((x.Value > y.Value) ? -1 : 0)));
LastCounts = Counts;
LastCountsTime = CountsTime;
return(IOBytes);
}
internal IOCounters(IO_COUNTERS nativeCounters)
{
ReadCounters.OperationCount = nativeCounters.ReadOperationCount;
ReadCounters.TransferCount = nativeCounters.ReadTransferCount;
WriteCounters.OperationCount = nativeCounters.WriteOperationCount;
WriteCounters.TransferCount = nativeCounters.WriteTransferCount;
OtherCounters.OperationCount = nativeCounters.OtherOperationCount;
OtherCounters.TransferCount = nativeCounters.OtherTransferCount;
}
static extern bool GetProcessIoCounters(IntPtr ProcessHandle, out IO_COUNTERS IoCounters);
static extern bool GetProcessIoCounters(IntPtr ProcessHandle, out IO_COUNTERS IoCounters);
public static extern bool GetProcessIoCounters([In] IntPtr hProcess, out IO_COUNTERS lpIoCounters);
/// <summary>
/// Creates an instance of <see cref="IOCounters"/> from <see cref="IO_COUNTERS"/>.
/// </summary>
public IOCounters(IO_COUNTERS nativeCounters)
{
ReadCounters = new IOTypeCounters(nativeCounters.ReadOperationCount, nativeCounters.ReadTransferCount);
WriteCounters = new IOTypeCounters(nativeCounters.WriteOperationCount, nativeCounters.WriteTransferCount);
OtherCounters = new IOTypeCounters(nativeCounters.OtherOperationCount, nativeCounters.OtherTransferCount);
}
public static extern bool GetProcessIoCounters(SafeProcessHandle hProcess, ref IO_COUNTERS lpIoCounters);
static extern bool GetProcessIoCounters(IntPtr hProcess, out IO_COUNTERS counters);
public static extern bool GetProcessIoCounters(int ProcessHandle, out IO_COUNTERS IoCounters);
public JOBOBJECT_EXTENDED_LIMIT_INFORMATION(JOBOBJECT_BASIC_LIMIT_INFORMATION BasicLimitInformation = default, IO_COUNTERS IoInfo = default, System.UIntPtr ProcessMemoryLimit = default, System.UIntPtr JobMemoryLimit = default, System.UIntPtr PeakProcessMemoryUsed = default, System.UIntPtr PeakJobMemoryUsed = default)
{
this.BasicLimitInformation = BasicLimitInformation;
this.IoInfo = IoInfo;
this.ProcessMemoryLimit = ProcessMemoryLimit;
this.JobMemoryLimit = JobMemoryLimit;
this.PeakProcessMemoryUsed = PeakProcessMemoryUsed;
this.PeakJobMemoryUsed = PeakJobMemoryUsed;
}
public static extern bool GetProcessIoCounters([In] HPROCESS hProcess, out IO_COUNTERS lpIoCounters);
public static extern bool GetProcessIoCounters(int ProcessHandle, out IO_COUNTERS IoCounters);
private static unsafe extern bool GetProcessIoCounters(System.IntPtr ProcessHandle, out IO_COUNTERS IoCounters);
private unsafe static extern bool GetProcessIoCounters(System.IntPtr ProcessHandle, out IO_COUNTERS IoCounters);