122 lines
2.9 KiB
C#
122 lines
2.9 KiB
C#
/*
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Copyright (C) 2002 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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sealed class Profiler
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{
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private static Profiler instance = new Profiler();
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private static Dictionary<string, Entry> counters = new Dictionary<string, Entry>();
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[ThreadStatic]
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private static Stack<Entry> stack;
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private sealed class Entry
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{
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internal long Time;
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internal long Count;
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}
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~Profiler()
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{
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// get rid off the warning that "instance" is unused
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instance.Equals(null);
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Console.Error.WriteLine("{0,-40}{1,10}{2,12}", "Event", "Count", "Time (ms)");
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Console.Error.WriteLine("{0,-40}{1,10}{2,12}", "-----", "-----", "---------");
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long totalTime = 0;
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foreach(KeyValuePair<string, Entry> e in counters)
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{
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Entry entry = e.Value;
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if(entry.Time == 0)
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{
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Console.Error.WriteLine("{0,-40}{1,10}", e.Key, entry.Count);
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}
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else
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{
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totalTime += entry.Time / 10000;
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Console.Error.WriteLine("{0,-40}{1,10}{2,12}", e.Key, entry.Count, entry.Time / 10000);
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}
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}
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Console.Error.WriteLine("{0,-40}{1,10}{2,12}", "", "", "---------");
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Console.Error.WriteLine("{0,-40}{1,10}{2,12}", "", "", totalTime);
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}
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[Conditional("PROFILE")]
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internal static void Enter(string name)
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{
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long ticks = DateTime.Now.Ticks;
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lock(counters)
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{
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if(stack == null)
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{
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stack = new Stack<Entry>();
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}
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if(stack.Count > 0)
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{
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stack.Peek().Time += ticks;
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}
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Entry e;
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if(!counters.TryGetValue(name, out e))
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{
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e = new Entry();
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counters[name] = e;
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}
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e.Count++;
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e.Time -= ticks;
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stack.Push(e);
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}
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}
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[Conditional("PROFILE")]
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internal static void Leave(string name)
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{
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long ticks = DateTime.Now.Ticks;
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stack.Pop();
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lock(counters)
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{
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Entry e = counters[name];
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e.Time += ticks;
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if(stack.Count > 0)
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{
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((Entry)stack.Peek()).Time -= ticks;
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}
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}
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}
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[Conditional("PROFILE")]
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internal static void Count(string name)
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{
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lock(counters)
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{
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Entry e;
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if(!counters.TryGetValue(name, out e))
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{
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e = new Entry();
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counters[name] = e;
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}
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e.Count++;
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}
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}
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}
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