mirror of https://github.com/PentHertz/srsLTE.git
118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsenb/hdr/metrics_csv.h"
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#include "srslte/phy/utils/vector.h"
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#include <float.h>
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#include <iomanip>
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#include <iostream>
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#include <math.h>
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#include <sstream>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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using namespace std;
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namespace srsenb {
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metrics_csv::metrics_csv(std::string filename) : n_reports(0), metrics_report_period(1.0), enb(NULL)
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{
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file.open(filename.c_str(), std::ios_base::out);
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}
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metrics_csv::~metrics_csv()
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{
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stop();
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}
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void metrics_csv::set_handle(enb_metrics_interface* enb_)
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{
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enb = enb_;
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}
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void metrics_csv::stop()
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{
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if (file.is_open()) {
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file << "#eof\n";
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file.flush();
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file.close();
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}
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}
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void metrics_csv::set_metrics(const enb_metrics_t& metrics, const uint32_t period_usec)
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{
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if (file.is_open() && enb != NULL) {
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if (n_reports == 0) {
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file << "time;nof_ue;dl_brate;ul_brate;"
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"proc_rmem;proc_rmem_kB;proc_vmem;proc_vmem_kB;sys_mem;proc_cpu;thread_count\n";
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}
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// Time
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file << (metrics_report_period * n_reports) << ";";
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// UEs
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file << (metrics.stack.rrc.ues.size()) << ";";
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// Sum up rates for all UEs
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float dl_rate_sum = 0.0, ul_rate_sum = 0.0;
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for (size_t i = 0; i < metrics.stack.rrc.ues.size(); i++) {
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dl_rate_sum += metrics.stack.mac.ues[i].tx_brate / (metrics.stack.mac.ues[i].nof_tti * 1e-3);
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ul_rate_sum += metrics.stack.mac.ues[i].rx_brate / (metrics.stack.mac.ues[i].nof_tti * 1e-3);
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}
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// DL rate
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if (dl_rate_sum > 0) {
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file << float_to_string(SRSLTE_MAX(0.1, (float)dl_rate_sum), 2);
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} else {
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file << float_to_string(0, 2);
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}
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// UL rate
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if (ul_rate_sum > 0) {
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file << float_to_string(SRSLTE_MAX(0.1, (float)ul_rate_sum), 2);
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} else {
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file << float_to_string(0, 2);
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}
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// Write system metrics.
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const srslte::sys_metrics_t& m = metrics.sys;
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file << float_to_string(m.process_realmem, 2);
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file << std::to_string(m.process_realmem_kB) << ";";
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file << float_to_string(m.process_virtualmem, 2);
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file << std::to_string(m.process_virtualmem_kB) << ";";
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file << float_to_string(m.system_mem, 2);
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file << float_to_string(m.process_cpu_usage, 2);
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file << std::to_string(m.thread_count);
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file << "\n";
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n_reports++;
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} else {
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std::cout << "Error, couldn't write CSV file." << std::endl;
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}
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}
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std::string metrics_csv::float_to_string(float f, int digits, bool add_semicolon)
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{
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std::ostringstream os;
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const int precision = (f == 0.0) ? digits - 1 : digits - log10f(fabs(f)) - 2 * DBL_EPSILON;
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os << std::fixed << std::setprecision(precision) << f;
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if (add_semicolon)
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os << ';';
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return os.str();
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}
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} // namespace srsenb
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