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srsRAN_4G/srsue/src/metrics_stdout.cc

144 lines
4.2 KiB
C++

/*
* Copyright 2013-2019 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srsue/hdr/metrics_stdout.h"
#include <unistd.h>
#include <sstream>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include <iomanip>
#include <iostream>
#include <stdio.h>
using namespace std;
namespace srsue{
char const * const prefixes[2][9] =
{
{ "", "m", "u", "n", "p", "f", "a", "z", "y", },
{ "", "k", "M", "G", "T", "P", "E", "Z", "Y", },
};
metrics_stdout::metrics_stdout()
:do_print(false)
,n_reports(10)
,ue(NULL)
{
}
void metrics_stdout::set_ue_handle(ue_metrics_interface *ue_)
{
ue = ue_;
}
void metrics_stdout::toggle_print(bool b)
{
do_print = b;
}
void metrics_stdout::set_metrics(ue_metrics_t &metrics, const uint32_t period_usec)
{
if(!do_print || ue == NULL)
return;
if (!ue->is_rrc_connected()) {
cout << "--- disconnected ---" << endl;
return;
}
if(++n_reports > 10)
{
n_reports = 0;
cout << endl;
cout << "----Signal--------------DL-------------------------------------UL----------------------" << endl;
cout << "cc rsrp pl cfo mcs snr turbo brate bler ta_us mcs buff brate bler" << endl;
}
for (uint32_t r = 0; r < metrics.phy.nof_active_cc; r++) {
cout << " " << r;
cout << float_to_string(metrics.phy.dl[r].rsrp, 2);
cout << float_to_string(metrics.phy.dl[r].pathloss, 2);
cout << float_to_eng_string(metrics.phy.sync[r].cfo, 2);
cout << float_to_string(metrics.phy.dl[r].mcs, 2);
cout << float_to_string(metrics.phy.dl[r].sinr, 2);
cout << float_to_string(metrics.phy.dl[r].turbo_iters, 2);
cout << float_to_eng_string((float)metrics.stack.mac[r].rx_brate / period_usec * 1e6, 2);
if (metrics.stack.mac[r].rx_pkts > 0) {
cout << float_to_string((float)100 * metrics.stack.mac[r].rx_errors / metrics.stack.mac[r].rx_pkts, 1) << "%";
} else {
cout << float_to_string(0, 1) << "%";
}
cout << float_to_string(metrics.phy.sync[r].ta_us, 2);
cout << float_to_string(metrics.phy.ul[r].mcs, 2);
cout << float_to_eng_string((float)metrics.stack.mac[r].ul_buffer, 2);
cout << float_to_eng_string((float)metrics.stack.mac[r].tx_brate / period_usec * 1e6, 2);
if (metrics.stack.mac[r].tx_pkts > 0) {
cout << float_to_string((float)100 * metrics.stack.mac[r].tx_errors / metrics.stack.mac[r].tx_pkts, 1) << "%";
} else {
cout << float_to_string(0, 1) << "%";
}
cout << endl;
}
if (metrics.rf.rf_error) {
printf("RF status: O=%d, U=%d, L=%d\n", metrics.rf.rf_o, metrics.rf.rf_u, metrics.rf.rf_l);
}
}
std::string metrics_stdout::float_to_string(float f, int digits)
{
std::ostringstream os;
const int precision = SRSLTE_MIN((int)((f == 0.0f) ? digits - 1 : digits - log10f(fabsf(f)) - 2 * FLT_EPSILON), 3);
os << std::setw(6) << std::fixed << std::setprecision(precision) << f;
return os.str();
}
std::string metrics_stdout::float_to_eng_string(float f, int digits)
{
const int degree = (f == 0.0) ? 0 : lrint( floor( log10( fabs( f ) ) / 3) );
std::string factor;
if (abs(degree) < 9) {
if(degree < 0)
factor = prefixes[0][ abs( degree ) ];
else
factor = prefixes[1][ abs( degree ) ];
} else {
return "failed";
}
const double scaled = f * pow( 1000.0, -degree );
if (degree != 0) {
return float_to_string(scaled, digits) + factor;
} else {
return " " + float_to_string(scaled, digits) + factor;
}
}
} // namespace srsue