在NET Core 中获取 CPU 使用率

2022-04-16 14:44:00

formanceCounter("Process", "% Processor Time", currentProcessName); cpuCounter.NextValue(); return (int)cpuCounter.NextValue(); } }

PerformjZUscAHISanceCounter.NETCore 中是没有的,所以只能采用其他方式了,其实在 System.Diagnostics.Process 类中有一个 TotalProcessorTime 属性,它可以准实时的统计当前进程所消耗的CPU处理器时间,

如下代码:
   

class Program  {    public static async Task Main(string[] args)    {jZUscAHIS      var task = Task.Run(() => ConsumeCPU(50));      while (true)      {        await Task.Delay(2000);        var cpuUsage = await GetCpuUsageForProcess();        Console.WriteLine(cpuUsage);      }    }    public static void ConsumeCPU(int percentage)    {      Stopwatch watch = new Stopwatch();      watch.Start();      while (true)      {        if (watch.ElapsedMilliseconds > percentage)        {          Thread.Sleep(100 - percentage);          watch.Reset();          watch.Start();        }      }    }    private static async Task<double> GetCpuUsageForProcess()    {      var startTime = DateTime.UtcNow;      var startCpuUsage = Process.GetCurrentProcess().TotalProcessorTime;      await Task.Delay(500);      var endTime = DateTime.UtcNow;      var endCpuUsage = Process.GetCurrentProcess().TotalProcessorTime;      var cpuUsedMs = (endCpuUsage - startCpuUsage).TotalMilliseconds;      var totalMsPassed = (endTime - startTime).TotalMilliseconds;      var cpuUsageTotal = cpuUsedMs / (Environment.ProcessorCount * totalMsPassed);      return cpuUsageTotal * 100;  jZUscAHIS  }  }

在NETCore中获取CPU使用率

可以看到程序每2s输出一次,观察到 output 和 任务管理器 中的CPU利用率基本是一致的。

译文链接:https://medium.com/@jackwild/getting-cpu-usage-in-net-core-7ef825831b8b