.Net Core 5 查看当前CPU 占用比例

迈不过友情╰ 2022-09-07 12:28 117阅读 0赞

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2tlc3NoZWk_size_16_color_FFFFFF_t_70][]

class Program
        {
            public static async Task Main(string[] args)
            {
                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;
            }
        }

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