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








