moel@345: using System;
moel@345: using System.Collections.Generic;
moel@345: using System.Text;
moel@345: using System.Diagnostics;
moel@345: 
moel@345: namespace Aga.Controls
moel@345: {
moel@345: 	/// <summary>
moel@345: 	/// Is used to analyze code performance
moel@345: 	/// </summary>
moel@345: 	public static class PerformanceAnalyzer
moel@345: 	{
moel@345: 		public class PerformanceInfo
moel@345: 		{
moel@345: 			private string _name;
moel@345: 			public string Name
moel@345: 			{
moel@345: 				get { return _name; }
moel@345: 			}
moel@345: 
moel@345: 			private int _count = 0;
moel@345: 			public int Count
moel@345: 			{
moel@345: 				get { return _count; }
moel@345: 				set { _count = value; }
moel@345: 			}
moel@345: 
moel@345: 			private double _totalTime = 0;
moel@345: 			public double TotalTime
moel@345: 			{
moel@345: 				get { return _totalTime; }
moel@345: 				set { _totalTime = value; }
moel@345: 			}
moel@345: 
moel@345: 			private Int64 _start;
moel@345: 			public Int64 Start
moel@345: 			{
moel@345: 				get { return _start; }
moel@345: 				set { _start = value; }
moel@345: 			}
moel@345: 
moel@345: 			public PerformanceInfo(string name)
moel@345: 			{
moel@345: 				_name = name;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private static Dictionary<string, PerformanceInfo> _performances = new Dictionary<string, PerformanceInfo>();
moel@345: 
moel@345: 		public static IEnumerable<PerformanceInfo> Performances
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _performances.Values;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		[Conditional("DEBUG")]
moel@345: 		public static void Start(string pieceOfCode)
moel@345: 		{
moel@345: 			PerformanceInfo info = null;
moel@345: 			lock(_performances)
moel@345: 			{
moel@345: 				if (_performances.ContainsKey(pieceOfCode))
moel@345: 					info = _performances[pieceOfCode];
moel@345: 				else
moel@345: 				{
moel@345: 					info = new PerformanceInfo(pieceOfCode);
moel@345: 					_performances.Add(pieceOfCode, info);
moel@345: 				}
moel@345: 
moel@345: 				info.Count++;
moel@345: 				info.Start = TimeCounter.GetStartValue();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		[Conditional("DEBUG")]
moel@345: 		public static void Finish(string pieceOfCode)
moel@345: 		{
moel@345: 			lock (_performances)
moel@345: 			{
moel@345: 				if (_performances.ContainsKey(pieceOfCode))
moel@345: 				{
moel@345: 					PerformanceInfo info = _performances[pieceOfCode];
moel@345: 					info.Count++;
moel@345: 					info.TotalTime += TimeCounter.Finish(info.Start);
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		public static void Reset()
moel@345: 		{
moel@345: 			_performances.Clear();
moel@345: 		}
moel@345: 
moel@345: 		public static string GenerateReport()
moel@345: 		{
moel@345: 			return GenerateReport(0);
moel@345: 		}
moel@345: 
moel@345: 		public static string GenerateReport(string mainPieceOfCode)
moel@345: 		{
moel@345: 			if (_performances.ContainsKey(mainPieceOfCode))
moel@345: 				return GenerateReport(_performances[mainPieceOfCode].TotalTime);
moel@345: 			else
moel@345: 				return GenerateReport(0);
moel@345: 		}
moel@345: 
moel@345: 		public static string GenerateReport(double totalTime)
moel@345: 		{
moel@345: 			StringBuilder sb = new StringBuilder();
moel@345: 			int len = 0;
moel@345: 			foreach (PerformanceInfo info in Performances)
moel@345: 				len = Math.Max(info.Name.Length, len);
moel@345: 
moel@345: 			sb.AppendLine("Name".PadRight(len) + " Count              Total Time, ms    Avg. Time, ms       Percentage, %");
moel@345: 			sb.AppendLine("----------------------------------------------------------------------------------------------");
moel@345: 			foreach (PerformanceInfo info in Performances)
moel@345: 			{
moel@345: 				sb.Append(info.Name.PadRight(len));
moel@345: 				double p = 0;
moel@345: 				double avgt = 0;
moel@345: 				if (totalTime != 0)
moel@345: 					p = info.TotalTime / totalTime;
moel@345: 				if (info.Count > 0)
moel@345: 					avgt = info.TotalTime * 1000 / info.Count;
moel@345: 				string c = info.Count.ToString("0,0").PadRight(20);
moel@345: 				string tt = (info.TotalTime * 1000).ToString("0,0.00").PadRight(20);
moel@345: 				string t = avgt.ToString("0.0000").PadRight(20);
moel@345: 				string sp = (p * 100).ToString("###").PadRight(20);
moel@345: 				sb.AppendFormat(" " + c + tt + t + sp + "\n");
moel@345: 			}
moel@345: 			return sb.ToString();
moel@345: 		}
moel@345: 	}
moel@345: }