■ PerformanceCounter 클래스를 사용해 성능을 측정하는 방법을 보여준다.
▶ Program.cs
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using System; using System.Threading; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { Console.Title = "PerformanceCounter 클래스 사용하기"; WriteLog("카운터 생성을 시작한다."); PerformanceHelper helper = new PerformanceHelper(); WriteLog("카운터 생성을 종료한다."); for(int i = 0; i < 10; i++) { Console.WriteLine(); WriteLog("CPU 사용률 : {0}", helper.GetCPURate() ); WriteLog("메모리 사용률 : {0}", helper.GetMemoryRate()); WriteLog("디스크 I/O 사용률 : {0}", helper.GetDiskIORate()); Thread.Sleep(500); } } #endregion #region 로그 작성하기 - WriteLog(format, parameterArray) /// <summary> /// 로그 작성하기 /// </summary> /// <param name="format">포맷 문자열</param> /// <param name="parameterArray">매개 변수 배열</param> private static void WriteLog(string format, params object[] parameterArray) { string message; if(parameterArray.Length == 0) { message = format; } else { message = string.Format(format, parameterArray); } string log = string.Format("[{0}] {1}", DateTime.Now.ToString("HH:mm:ss"), message); Console.WriteLine(log); } #endregion } } |
▶ PerformanceHelper.cs
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using System; using System.Linq; using System.Diagnostics; using System.Management; namespace TestProject { /// <summary> /// 성능 헬퍼 /// </summary> public class PerformanceHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// CPU 카운터 /// </summary> private PerformanceCounter cpuCounter; /// <summary> /// 메모리 카운터 /// </summary> private PerformanceCounter memoryCounter; /// <summary> /// 디스크 I/O 카운터 /// </summary> private PerformanceCounter diskIOCounter; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - PerformanceHelper() /// <summary> /// 생성자 /// </summary> public PerformanceHelper() { this.cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total", true); this.memoryCounter = new PerformanceCounter("Memory", "Available KBytes", true); string drive = AppDomain.CurrentDomain.BaseDirectory.Substring(0, 2).ToUpper(); string[] instanceNameArray = new PerformanceCounterCategory("PhysicalDisk").GetInstanceNames(); string instanceName = instanceNameArray.FirstOrDefault(s => s.IndexOf(drive) > -1); this.diskIOCounter = new PerformanceCounter("PhysicalDisk", "% Idle Time", instanceName, true); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region CPU 사용률 구하기 - GetCPURate() /// <summary> /// CPU 사용률 구하기 /// </summary> /// <returns>CPU 사용률</returns> public float GetCPURate() { float rate = this.cpuCounter.NextValue(); rate = Math.Min(100f, Math.Max(0f, rate)); return rate; } #endregion #region 메모리 사용률 구하기 - GetMemoryRate() /// <summary> /// 메모리 사용률 구하기 /// </summary> /// <returns>메모리 사용률</returns> public float GetMemoryRate() { using(ManagementClass mc = new ManagementClass("Win32_OperatingSystem")) { using(ManagementObject o = mc.GetInstances().Cast<ManagementObject>().FirstOrDefault()) { float physicalMemorySize = float.Parse(o["TotalVisibleMemorySize"].ToString()); float rate = ((physicalMemorySize - this.memoryCounter.NextValue()) / physicalMemorySize) * 100; rate = Math.Min(100f, Math.Max(0f, rate)); return rate; } } } #endregion #region 디스크 I/O 사용률 구하기 - GetDiskIORate() /// <summary> /// 디스크 I/O 사용률 구하기 /// </summary> /// <returns>디스크 I/O 사용률</returns> public float GetDiskIORate() { float rate = 100 - this.diskIOCounter.NextValue(); rate = Math.Min(100f, Math.Max(0f, rate)); return rate; } #endregion } } |
