CPU Usage prog

Небольшая программка которая может показать загруженость вашего процессора во время исполнения какой то программы

Код подсчиывающего модуля/программки

using System.Diagnostics;



public class CPUMeter: IDisposable

{

 CounterSample _startSample;

 PerformanceCounter _cnt;



 /// Creates a per-process CPU meter instance tied to the current process.

 public CPUMeter()

 {

    String instancename = GetCurrentProcessInstanceName();

    _cnt = new PerformanceCounter("Process","% Processor Time", instancename, true);

    ResetCounter();

 }



 /// Creates a per-process CPU meter instance tied to a specific process.

 public CPUMeter(int pid)

 {

    String instancename = GetProcessInstanceName(pid);

    _cnt = new PerformanceCounter("Process","% Processor Time", instancename, true);

    ResetCounter();

 }



 /// Resets the internal counter. All subsequent calls to GetCpuUtilization() will 

 /// be relative to the point in time when you called ResetCounter(). This 

 /// method can be call as often as necessary to get a new baseline for 

 /// CPU utilization measurements.

 public void ResetCounter()

 {

    _startSample = _cnt.NextSample();

 }



 /// Returns this process's CPU utilization since the last call to ResetCounter().

 public double GetCpuUtilization()

 {

    CounterSample curr = _cnt.NextSample();



    double diffValue = curr.RawValue - _startSample.RawValue;

    double diffTimestamp = curr.TimeStamp100nSec - _startSample.TimeStamp100nSec;



    double usage = (diffValue / diffTimestamp) * 100;

    return usage;

 }



 private static string GetCurrentProcessInstanceName()

 {

    Process proc = Process.GetCurrentProcess();

    int pid = proc.Id;

    return GetProcessInstanceName(pid);

 }



 private static string GetProcessInstanceName(int pid)

 {

    PerformanceCounterCategory cat = new PerformanceCounterCategory("Process");



    string[] instances = cat.GetInstanceNames();

    foreach (string instance in instances)

    {

     

       using (PerformanceCounter cnt = new PerformanceCounter("Process",

            "ID Process", instance, true))

       {

          int val = (int) cnt.RawValue;

          if (val == pid)

          {

             return instance;

          }

       }

    }

    throw new Exception("Could not find performance counter " +

        "instance name for current process. This is truly strange ...");

 }



 public void Dispose()

 {

    if (_cnt!=null) _cnt.Dispose();

 }

}

Пример использование

static void Main(string[] args)

{

 CPUMeter mtr = new CPUMeter();



 // do some heavy stuff

 double result = 0;

 for (int i = 0;i<100000000; i++)

 {

    result = result+Math.Sin(i);

 }



 double usage = mtr.GetCpuUtilization();



 Console.WriteLine("Done. CPU Usage {0:#00.00} %", usage);

 Console.ReadLine();

}