obs-StreamFX/source/util/util-profiler.hpp

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