How Can I Accurately Track Process Execution Time in .NET?
Jan 21, 2025 am 12:42 AM
Tracking Process Runtime with Enhanced .NET Techniques
Simply using Process.GetProcessesByName offers only a momentary view of active processes; it's insufficient for tracking a process's execution duration across multiple instances. A more robust solution is needed.
Leveraging WMI for Accurate Process Monitoring
Windows Management Instrumentation (WMI) provides a powerful mechanism for detailed system event monitoring, including the precise start and end times of processes. The following C# code demonstrates WMI's application for this purpose:
using System;
using System.Management;
public class ProcessMonitor
{
public static void Main(string[] args)
{
// Watch for process start events
using (ManagementEventWatcher startWatch = new ManagementEventWatcher(new WqlEventQuery("SELECT * FROM Win32_ProcessStartTrace")))
{
startWatch.EventArrived += StartWatch_EventArrived;
startWatch.Start();
// Watch for process stop events
using (ManagementEventWatcher stopWatch = new ManagementEventWatcher(new WqlEventQuery("SELECT * FROM Win32_ProcessStopTrace")))
{
stopWatch.EventArrived += StopWatch_EventArrived;
stopWatch.Start();
Console.WriteLine("Monitoring process starts and stops. Press any key to exit.");
Console.ReadKey();
}
}
}
private static void StopWatch_EventArrived(object sender, EventArrivedEventArgs e)
{
Console.WriteLine($"Process stopped: {e.NewEvent.Properties["ProcessName"].Value}");
}
private static void StartWatch_EventArrived(object sender, EventArrivedEventArgs e)
{
Console.WriteLine($"Process started: {e.NewEvent.Properties["ProcessName"].Value}");
}
}
Executing this code with administrator privileges allows real-time monitoring of process lifecycle events. This provides a highly accurate measurement of execution time for any process, across multiple executions. Keep in mind that intensive monitoring might impact system performance.
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