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124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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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#include "srslte/common/time_prof.h"
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#include <algorithm>
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#include <inttypes.h>
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#include <numeric>
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using namespace srslte;
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using std::chrono::nanoseconds;
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// log utils
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template <typename TUnit>
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const char* get_tunit_str()
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{
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return "";
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}
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template <>
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const char* get_tunit_str<nanoseconds>()
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{
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return "nsec";
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}
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template <>
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const char* get_tunit_str<std::chrono::microseconds>()
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{
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return "usec";
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}
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template <>
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const char* get_tunit_str<std::chrono::milliseconds>()
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{
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return "msec";
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}
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template <>
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const char* get_tunit_str<std::chrono::seconds>()
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{
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return "sec";
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}
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template <>
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const char* get_tunit_str<std::chrono::minutes>()
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{
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return "min";
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}
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// tprof stats
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avg_time_stats::avg_time_stats(const char* name_, const char* logname, size_t print_period_) :
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name(name_),
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log_ptr(srslte::logmap::get(logname)),
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print_period(print_period_)
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{
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}
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void avg_time_stats::operator()(nanoseconds duration)
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{
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count++;
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avg_val = avg_val * (count - 1) / count + static_cast<double>(duration.count()) / count;
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max_val = std::max<long>(max_val, duration.count());
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min_val = std::min<long>(min_val, duration.count());
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if (count % print_period == 0) {
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log_ptr->info("%s: {mean, max, min}={%0.1f, %ld, %ld} usec, nof_samples=%ld",
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name.c_str(),
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avg_val / 1e3,
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max_val / 1000,
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min_val / 1000,
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count);
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}
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}
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template <typename TUnit>
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sliding_window_stats<TUnit>::sliding_window_stats(const char* name_, const char* logname, size_t print_period_) :
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name(name_),
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log_ptr(srslte::logmap::get(logname)),
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sliding_window(print_period_)
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{
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}
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template <typename TUnit>
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void sliding_window_stats<TUnit>::operator()(nanoseconds duration)
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{
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using std::chrono::duration_cast;
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const char* unit_str = get_tunit_str<TUnit>();
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TUnit dur = std::chrono::duration_cast<TUnit>(duration);
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log_ptr->debug("%s: duration=%" PRId64 " %s\n", name.c_str(), dur.count(), unit_str);
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sliding_window[window_idx++] = duration;
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if (window_idx == sliding_window.size()) {
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nanoseconds tsum = accumulate(sliding_window.begin(), sliding_window.end(), std::chrono::nanoseconds{0});
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nanoseconds tmax = *std::max_element(sliding_window.begin(), sliding_window.end());
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nanoseconds tmin = *std::min_element(sliding_window.begin(), sliding_window.end());
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double tmean = static_cast<double>(duration_cast<TUnit>(tsum).count()) / sliding_window.size();
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log_ptr->info("%s: {mean, max, min} = {%0.2f, %" PRId64 ", %" PRId64 "} %s\n",
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name.c_str(),
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tmean,
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duration_cast<TUnit>(tmax).count(),
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duration_cast<TUnit>(tmin).count(),
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unit_str);
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window_idx = 0;
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}
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}
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template class srslte::sliding_window_stats<std::chrono::microseconds>;
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template class srslte::sliding_window_stats<std::chrono::milliseconds>;
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