How Can I Get Overall CPU Usage in a C# Application?

Retrieving CPU Usage in C#

Question:

How can I obtain the overall CPU usage for a C# application?

Answer:

To retrieve the CPU usage in C#, employ the PerformanceCounter class from System.Diagnostics.

Implementation:

using System.Diagnostics;

public class CpuUsage
{
    private static PerformanceCounter cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");

    public static float GetCurrentCpuUsage()
    {
        return cpuCounter.NextValue();
    }
}

Usage:

float cpuUsage = CpuUsage.GetCurrentCpuUsage();
Console.WriteLine($"Current CPU Usage: {cpuUsage}%");

Note:

• The initial call to NextValue always returns 0%. Make at least two calls with a delay of one second in between to obtain accurate values.
• "_Total" specifies that the metric measures overall CPU usage for the entire system.
• You can consult the PerformanceCounter documentation for further configuration and usage options.

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