Michael Fabian 'Xaymar' Dirks
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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Sample for DataPath
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Copyright (C) 2019 Michael Fabian Dirks <info@xaymar.com>
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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 Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <chrono>
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#include <map>
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#include <memory>
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#include <mutex>
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class measurer : std::enable_shared_from_this<measurer> {
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std::map<std::chrono::nanoseconds, size_t> timings;
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std::mutex lock;
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public:
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class instance {
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std::shared_ptr<measurer> parent;
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std::chrono::high_resolution_clock::time_point start;
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public:
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instance(std::shared_ptr<measurer> parent);
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~instance();
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void cancel();
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void reparent(std::shared_ptr<measurer> parent);
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};
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public:
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measurer();
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~measurer();
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std::shared_ptr<measurer::instance> track();
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void track(std::chrono::nanoseconds duration);
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uint64_t count();
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std::chrono::nanoseconds total_duration();
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double_t average_duration();
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std::chrono::nanoseconds percentile(double_t percentile, bool by_time = false);
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};
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