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   源码介绍

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支持多核 支持 实时读取

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Dev.ProcessMonitor.Test
{
    [TestClass]
    public class UnitTest1
    {
        [TestMethod]
        public void GetAllProcess()
        {

            Process[] processes = Process.GetProcesses();

            foreach (Process process in processes)
            {

                Console.WriteLine("Process Name: {0}, Responding: {1}", process.ProcessName, process.Responding);
            }

            Console.Write("press enter");

        }


        [TestMethod]
        public void GetProcessByName()
        {
            string processName = "conhost";
            var prcess = Process.GetProcessesByName(processName);

            foreach (var process in prcess)
            {
                Console.WriteLine(process.ProcessName   "=>"   process.Id   "=>"   process.MainWindowTitle   "=>"   process.Responding);
            }
        }


        [TestMethod]
        public void TestGetCpu()
        {
            string processName = "StatService";
            var dicCpu = Dev.ProcessMonitor.ProcessManager.GetCpu(processName);

            foreach (var f in dicCpu)
            {
                Console.WriteLine(f.Key   "=>"   f.Value);
            }
        }


        [TestMethod]
        public void getAllProcessCpu()
        {
            //新建一个Stopwatch变量用来统计程序运行时间
            Stopwatch watch = Stopwatch.StartNew();
            //获取本机运行的所有进程ID和进程名,并输出哥进程所使用的工作集和私有工作集
            foreach (Process ps in Process.GetProcesses())
            {
                PerformanceCounter pf1 = new PerformanceCounter("Process", "Working Set - Private", ps.ProcessName);
                PerformanceCounter pf2 = new PerformanceCounter("Process", "Working Set", ps.ProcessName);
                Console.WriteLine("{0}:{1}  {2:N}KB", ps.ProcessName, "工作集(进程类)", ps.WorkingSet64 / 1024);
                Console.WriteLine("{0}:{1}  {2:N}KB", ps.ProcessName, "工作集        ", pf2.NextValue() / 1024);
                //私有工作集
                Console.WriteLine("{0}:{1}  {2:N}KB", ps.ProcessName, "私有工作集    ", pf1.NextValue() / 1024);

            }

            watch.Stop();
            Console.WriteLine(watch.Elapsed);


        }


        [TestMethod]
        public void TestCpu2()
        {
            string processName = "StatService";
            //获取当前进程对象
            Process cur = Process.GetProcessesByName(processName)[0];

            PerformanceCounter curpcp = new PerformanceCounter("Process", "Working Set - Private", cur.ProcessName);
            PerformanceCounter curpc = new PerformanceCounter("Process", "Working Set", cur.ProcessName);
            PerformanceCounter curtime = new PerformanceCounter("Process", "% Processor Time", cur.ProcessName);

            //上次记录CPU的时间
            TimeSpan prevCpuTime = TimeSpan.Zero;
            //Sleep的时间间隔
            int interval = 1000;

            PerformanceCounter totalcpu = new PerformanceCounter("Processor", "% Processor Time", "_Total");

            SystemInfo sys = new SystemInfo();
            const int KB_DIV = 1024;
            const int MB_DIV = 1024 * 1024;
            const int GB_DIV = 1024 * 1024 * 1024;

            var i = 0;
            while (i   < 5)
            {

                //第一种方法计算CPU使用率
                //当前时间
                TimeSpan curCpuTime = cur.TotalProcessorTime;
                //计算
                double value = (curCpuTime - prevCpuTime).TotalMilliseconds / interval / Environment.ProcessorCount * 100;
                prevCpuTime = curCpuTime;

                Console.WriteLine("{0}:{1}  {2:N}KB CPU使用率：{3}", cur.ProcessName, "工作集(进程类)", cur.WorkingSet64 / 1024, value);//这个工作集只是在一开始初始化，后期不变
                Console.WriteLine("{0}:{1}  {2:N}KB CPU使用率：{3}", cur.ProcessName, "工作集        ", curpc.NextValue() / 1024, value);//这个工作集是动态更新的
                //第二种计算CPU使用率的方法
                Console.WriteLine("{0}:{1}  {2:N}KB CPU使用率：{3}%", cur.ProcessName, "私有工作集    ", curpcp.NextValue() / 1024, curtime.NextValue() / Environment.ProcessorCount);
                //Thread.Sleep(interval);




                //第一种方法获取系统CPU使用情况
                Console.WriteLine("1系统CPU使用率：{0}%", totalcpu.NextValue());
                //Thread.Sleep(interval);

                //第二章方法获取系统CPU和内存使用情况
                Console.WriteLine("2系统CPU使用率：{0}%，系统内存使用大小：{1}MB({2}GB)", sys.CpuLoad, (sys.PhysicalMemory - sys.MemoryAvailable) / MB_DIV, (sys.PhysicalMemory - sys.MemoryAvailable) / (double)GB_DIV);
                Thread.Sleep(interval);
            }

            //Console.ReadLine();
        }



        [TestMethod]
        public void TestCpuLev()
        {
            string processName = "StatService";
            var processes = Process.GetProcessesByName(processName);
            var processorcount = System.Environment.ProcessorCount;
            Stopwatch watch = Stopwatch.StartNew();
            watch.Start();

            var Dic = new Dictionary<int, TimeSpan>();


            foreach (var process in processes)
            {

                var now = process.TotalProcessorTime;

                Dic[process.Id] = now;
            }

            Thread.Sleep(1 * 1000);

            var dicle = new Dictionary<int, long>();
            foreach (var process in processes)
            {

                var now = process.TotalProcessorTime;

                //Dic[process.Id];
                var ts1 = new TimeSpan();

                var ts = now - Dic[process.Id];

                dicle[process.Id] = ts.Ticks;

            }

            watch.Stop();
            foreach (var l in dicle)
            {
                Console.WriteLine(l.Key   "=>"   l.Value   "=>"   (l.Value / (watch.ElapsedTicks / processorcount))   "%");
            }






        }


    }
}