71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Modern effects for a modern Streamer
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|  * Copyright (C) 2020 Michael Fabian Dirks
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
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|  */
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| 
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| #pragma once
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| #include "common.hpp"
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| #include <chrono>
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| #include <map>
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| #include <mutex>
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| 
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| namespace util {
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| 	class profiler : public std::enable_shared_from_this<util::profiler> {
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| 		std::map<std::chrono::nanoseconds, size_t> _timings;
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| 		std::mutex                                 _timings_lock;
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| 
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| 		public:
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| 		class instance {
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| 			std::shared_ptr<profiler>                      _parent;
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| 			std::chrono::high_resolution_clock::time_point _start;
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| 
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| 			public:
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| 			instance(std::shared_ptr<profiler> parent);
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| 
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| 			~instance();
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| 
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| 			void cancel();
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| 
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| 			void reparent(std::shared_ptr<profiler> parent);
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| 		};
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| 
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| 		private:
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| 		profiler();
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| 
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| 		public:
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| 		~profiler();
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| 
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| 		std::shared_ptr<class util::profiler::instance> track();
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| 
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| 		void track(std::chrono::nanoseconds duration);
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| 
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| 		std::uint64_t count();
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| 
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| 		std::chrono::nanoseconds total_duration();
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| 
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| 		double_t average_duration();
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| 
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| 		std::chrono::nanoseconds percentile(double_t percentile, bool by_time = false);
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| 
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| 		public:
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| 		static std::shared_ptr<util::profiler> create()
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| 		{
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| 			return std::shared_ptr<util::profiler>{new profiler()};
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| 		}
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| 	};
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| } // namespace util
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