asp.net中CodeTimer .net下的性能计数器实例

 using System;
using System.Web;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Threading;
using System.Runtime.InteropServices;

namespace MYORM.COMMON
{
    public interface IAction
    {
        void Action();
    }

    public static class CodeTimer
    {
        [DllImport("kernel32.dll", SetLastError = true)]
        static extern bool GetThreadTimes(IntPtr hThread, out long lpCreationTime,
           out long lpExitTime, out long lpKernelTime, out long lpUserTime);

        [DllImport("kernel32.dll")]
        static extern IntPtr GetCurrentThread();

        public delegate void ActionDelegate();

        private static long GetCurrentThreadTimes()
        {
            long l;
            long kernelTime, userTimer;
            GetThreadTimes(GetCurrentThread(), out l, out l, out kernelTime,
               out userTimer);
            return kernelTime + userTimer;
        }

        static CodeTimer()
        {
            Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High;
            Thread.CurrentThread.Priority = ThreadPriority.Highest;

        }

        public static void Time(string name, int iteration, ActionDelegate action)
        {
            if (String.IsNullOrEmpty(name))
            {
                return;
            }

            if (action == null)
            {
                return;
            }

            //1. Print name
            //ConsoleColor currentForeColor = Console.ForegroundColor;
            //Console.ForegroundColor = ConsoleColor.Yellow;
            //Console.WriteLine(name);
            HttpContext.Current.Response.Write(""+name+"
");

            // 2. Record the latest GC counts
            //GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
            GC.Collect(GC.MaxGeneration);
            int[] gcCounts = new int[GC.MaxGeneration + 1];
            for (int i = 0; i <= GC.MaxGeneration; i++)
            {
                gcCounts[i] = GC.CollectionCount(i);
            }

            // 3. Run action
            Stopwatch watch = new Stopwatch();
            watch.Start();
            long ticksFst = GetCurrentThreadTimes(); //100 nanosecond one tick

            for (int i = 0; i < iteration; i++) action();
            long ticks = GetCurrentThreadTimes() - ticksFst;
            watch.Stop();

            // 4. Print CPU
           // Console.ForegroundColor = currentForeColor;
           HttpContext.Current.Response.Write("全部耗时:tt" +watch.ElapsedMilliseconds.ToString("N0") + "ms
");
           HttpContext.Current.Response.Write("执行一次耗时:" +(watch.ElapsedMilliseconds / iteration).ToString("N0") + "ms
");

          // HttpContext.Current.Response.Write("CPU time:tt" + (ticks * 100).ToString("N0") + "ns
");
          // HttpContext.Current.Response.Write("CPU time (one time):t" + (ticks * 100 / iteration).ToString("N0") + "ns
");

            // 5. Print GC
            //for (int i = 0; i <= GC.MaxGeneration; i++)
            //{
            //    int count = GC.CollectionCount(i) - gcCounts[i];
            //    HttpContext.Current.Response.Write("tGen " + i + ": ttt" + count + "
");
            //}

            HttpContext.Current.Response.Write("

");

        }

        public static void Time(string name, int iteration, IAction action)
        {
            if (String.IsNullOrEmpty(name))
            {
                return;
            }

            if (action == null)
            {
                return;
            }

            //1. Print name
           // ConsoleColor currentForeColor = Console.ForegroundColor;
            //Console.ForegroundColor = ConsoleColor.Yellow;
           HttpContext.Current.Response.Write(name+"
");

            // 2. Record the latest GC counts
            //GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
            GC.Collect(GC.MaxGeneration);
            int[] gcCounts = new int[GC.MaxGeneration + 1];
            for (int i = 0; i <= GC.MaxGeneration; i++)
            {
                gcCounts[i] = GC.CollectionCount(i);
            }

            // 3. Run action
            Stopwatch watch = new Stopwatch();
            watch.Start();
            long ticksFst = GetCurrentThreadTimes(); //100 nanosecond one tick

            for (int i = 0; i < iteration; i++) action.Action();
            long ticks = GetCurrentThreadTimes() - ticksFst;
            watch.Stop();

            // 4. Print CPU
            //Console.ForegroundColor = currentForeColor;
            HttpContext.Current.Response.Write("tTime Elapsed:tt" +
               watch.ElapsedMilliseconds.ToString("N0") + "ms
");
            HttpContext.Current.Response.Write("tTime Elapsed (one time):" +
               (watch.ElapsedMilliseconds / iteration).ToString("N0") + "ms
");

            HttpContext.Current.Response.Write("tCPU time:tt" + (ticks * 100).ToString("N0") + "ns
");
            Console.WriteLine("tCPU time (one time):t" + (ticks * 100 /
                iteration).ToString("N0") + "ns");

            // 5. Print GC
            for (int i = 0; i <= GC.MaxGeneration; i++)
            {
                int count = GC.CollectionCount(i) - gcCounts[i];
                HttpContext.Current.Response.Write("tGen " + i + ": ttt" + count+"
");
            }

        }
    }
}

MYORM.COMMON.CodeTimer.Time("MYORM", 10000, () => { GetUser(); });
MYORM.COMMON.CodeTimer.Time("SQL", 10000, () => { GetUserBySql(); });