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168 lines
4.1 KiB
C++
168 lines
4.1 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN 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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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSRAN_TIME_PROF_H
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#define SRSRAN_TIME_PROF_H
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#include "srsran/srslog/srslog.h"
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#include <chrono>
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#include <mutex>
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#ifdef ENABLE_TIMEPROF
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#define TPROF_ENABLE_DEFAULT true
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#else
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#define TPROF_ENABLE_DEFAULT false
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#endif
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namespace srsran {
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// individual time interval measure
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class tprof_measure
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{
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public:
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using tpoint = std::chrono::time_point<std::chrono::high_resolution_clock>;
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tprof_measure() = default;
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void start() { t1 = std::chrono::high_resolution_clock::now(); }
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std::chrono::nanoseconds stop()
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{
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auto t2 = std::chrono::high_resolution_clock::now();
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return std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1);
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}
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private:
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tpoint t1;
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};
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template <typename Prof, bool Enabled = TPROF_ENABLE_DEFAULT>
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class tprof
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{
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public:
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template <typename... Args>
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explicit tprof(Args&&... args) : prof(std::forward<Args>(args)...)
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{}
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void start() { meas.start(); }
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std::chrono::nanoseconds stop()
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{
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auto d = meas.stop();
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prof(d);
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return d;
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}
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tprof_measure meas;
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Prof prof;
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};
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// specialization for when the tprof is disabled
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template <typename Prof>
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class tprof<Prof, false>
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{
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public:
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template <typename... Args>
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explicit tprof(Args&&... args)
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{}
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void start() {}
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std::chrono::nanoseconds stop() { return std::chrono::nanoseconds{0}; }
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};
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template <typename Prof, bool Enabled = TPROF_ENABLE_DEFAULT>
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struct mutexed_tprof {
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struct measure {
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public:
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explicit measure(mutexed_tprof<Prof>* h_) : h(h_) { meas.start(); }
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~measure()
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{
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if (deferred) {
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stop();
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}
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}
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std::chrono::nanoseconds stop()
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{
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auto d = meas.stop();
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std::lock_guard<std::mutex> lock(h->mutex);
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h->prof(d);
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return d;
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}
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void defer_stop() { deferred = true; }
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tprof_measure meas;
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mutexed_tprof<Prof>* h;
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bool deferred = false;
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};
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template <typename... Args>
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explicit mutexed_tprof(Args&&... args) : prof(std::forward<Args>(args)...)
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{}
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measure start() { return measure{this}; }
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Prof prof;
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private:
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std::mutex mutex;
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};
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template <typename Prof>
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struct mutexed_tprof<Prof, false> {
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struct measure {
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public:
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std::chrono::nanoseconds stop() { return std::chrono::nanoseconds{0}; }
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void defer_stop() {}
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};
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template <typename... Args>
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explicit mutexed_tprof(Args&&... args)
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{}
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measure start() { return measure{}; }
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};
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struct avg_time_stats {
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avg_time_stats(const char* name_, const char* logname, size_t print_period_);
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void operator()(std::chrono::nanoseconds duration);
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srslog::basic_logger& logger;
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std::string name;
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double avg_val = 1;
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long count = 0, max_val = 0, min_val = std::numeric_limits<long>::max();
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long print_period = 0;
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};
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template <typename TUnit>
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class sliding_window_stats
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{
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public:
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sliding_window_stats(const char* name_, const char* logname, size_t print_period_ = 10);
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void operator()(std::chrono::nanoseconds duration);
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srslog::basic_logger& logger;
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std::string name;
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std::vector<std::chrono::nanoseconds> sliding_window;
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size_t window_idx = 0;
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};
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using sliding_window_stats_ms = sliding_window_stats<std::chrono::milliseconds>;
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} // namespace srsran
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#endif // SRSRAN_TIME_PROF_H
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