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srsRAN_4G/srsenb/src/metrics_stdout.cc

240 lines
6.5 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#include "srsenb/hdr/metrics_stdout.h"
#include "srsran/phy/utils/vector.h"
#include <float.h>
#include <iomanip>
#include <iostream>
#include <math.h>
#include <sstream>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
using namespace std;
namespace srsenb {
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), enb(NULL) {}
void metrics_stdout::set_handle(enb_metrics_interface* enb_)
{
enb = enb_;
}
void metrics_stdout::toggle_print(bool b)
{
do_print = b;
}
// Define iszero() here since it's not defined in some platforms
static bool iszero(float x)
{
return fabsf(x) < 2 * DBL_EPSILON;
}
void metrics_stdout::set_metrics_helper(uint32_t num_ue,
const mac_metrics_t& mac,
const std::vector<phy_metrics_t>& phy,
bool is_nr)
{
for (size_t i = 0; i < num_ue; i++) {
// make sure we have stats for MAC and PHY layer too
if (i >= mac.ues.size() || ((i >= phy.size()) && !is_nr)) {
break;
}
if (mac.ues[i].tx_errors > mac.ues[i].tx_pkts) {
fmt::print("tx caution errors {} > {}\n", mac.ues[i].tx_errors, mac.ues[i].tx_pkts);
}
if (mac.ues[i].rx_errors > mac.ues[i].rx_pkts) {
fmt::print("rx caution errors {} > {}\n", mac.ues[i].rx_errors, mac.ues[i].rx_pkts);
}
fmt::print("{:>3.5}", (is_nr) ? "nr" : "lte");
fmt::print(" {:>4}", mac.ues[i].pci);
fmt::print("{:>5x}", mac.ues[i].rnti);
if (not iszero(mac.ues[i].dl_cqi)) {
fmt::print(" {:>3}", int(mac.ues[i].dl_cqi));
} else {
fmt::print(" {:>3.3}", "n/a");
}
fmt::print(" {:>1}", int(mac.ues[i].dl_ri));
float dl_mcs = (is_nr) ? mac.ues[i].dl_mcs : phy[i].dl.mcs;
if (not isnan(dl_mcs)) {
fmt::print(" {:>2}", int(dl_mcs));
} else {
fmt::print(" {:>2}", 0);
}
if (mac.ues[i].tx_brate > 0) {
fmt::print(" {:>6.6}", float_to_eng_string((float)mac.ues[i].tx_brate / (mac.ues[i].nof_tti * 1e-3), 1));
} else {
fmt::print(" {:>6}", 0);
}
fmt::print(" {:>4}", mac.ues[i].tx_pkts - mac.ues[i].tx_errors);
fmt::print(" {:>4}", mac.ues[i].tx_errors);
if (mac.ues[i].tx_pkts > 0 && mac.ues[i].tx_errors) {
fmt::print(" {:>3}%", int((float)100 * mac.ues[i].tx_errors / mac.ues[i].tx_pkts));
} else {
fmt::print(" {:>3}%", 0);
}
fmt::print(" |");
auto clamp_sinr = [](float sinr) {
if (sinr > 99.9f) {
return 99.9f;
}
if (sinr < -99.9f) {
return -99.9f;
}
return sinr;
};
float pusch_sinr = (is_nr) ? mac.ues[i].pusch_sinr : phy[i].ul.pusch_sinr;
if (not isnan(pusch_sinr) and not iszero(pusch_sinr)) {
fmt::print(" {:>5.1f}", clamp_sinr(pusch_sinr));
} else {
fmt::print(" {:>5.5}", "n/a");
}
float pucch_sinr = (is_nr) ? mac.ues[i].pucch_sinr : phy[i].ul.pucch_sinr;
if (not isnan(pucch_sinr) and not iszero(pucch_sinr)) {
fmt::print(" {:>5.1f}", clamp_sinr(pucch_sinr));
} else {
fmt::print(" {:>5.5}", "n/a");
}
int phr = mac.ues[i].phr;
if (not isnan(phr)) {
fmt::print(" {:>2}", phr);
} else {
fmt::print(" {:>2}", 0);
}
float ul_mcs = (is_nr) ? mac.ues[i].ul_mcs : phy[i].ul.mcs;
if (not isnan(ul_mcs)) {
fmt::print(" {:>2}", int(ul_mcs));
} else {
fmt::print(" {:>2}", 0);
}
if (mac.ues[i].rx_brate > 0) {
fmt::print(" {:>6.6}", float_to_eng_string((float)mac.ues[i].rx_brate / (mac.ues[i].nof_tti * 1e-3), 1));
} else {
fmt::print(" {:>6}", 0);
}
fmt::print(" {:>4}", mac.ues[i].rx_pkts - mac.ues[i].rx_errors);
fmt::print(" {:>4}", mac.ues[i].rx_errors);
if (mac.ues[i].rx_pkts > 0 && mac.ues[i].rx_errors > 0) {
fmt::print(" {:>3}%", int((float)100 * mac.ues[i].rx_errors / mac.ues[i].rx_pkts));
} else {
fmt::print(" {:>3}%", 0);
}
fmt::print(" {:>6.6}", float_to_eng_string(mac.ues[i].ul_buffer, 2));
fmt::print("\n");
}
}
void metrics_stdout::set_metrics(const enb_metrics_t& metrics, const uint32_t period_usec)
{
if (!do_print || enb == nullptr) {
return;
}
if (metrics.rf.rf_error) {
fmt::print("RF status: O={}, U={}, L={}\n", metrics.rf.rf_o, metrics.rf.rf_u, metrics.rf.rf_l);
}
if (metrics.stack.rrc.ues.size() == 0 && metrics.nr_stack.mac.ues.size() == 0) {
return;
}
if (++n_reports > 10) {
n_reports = 0;
fmt::print("\n");
fmt::print(
" -----------------DL----------------|-------------------------UL-------------------------\n");
fmt::print(
"rat pci rnti cqi ri mcs brate ok nok (%) | pusch pucch phr mcs brate ok nok (%) bsr\n");
}
set_metrics_helper(metrics.stack.rrc.ues.size(), metrics.stack.mac, metrics.phy, false);
set_metrics_helper(metrics.nr_stack.mac.ues.size(), metrics.nr_stack.mac, metrics.phy, true);
}
std::string metrics_stdout::float_to_string(float f, int digits, int field_width)
{
std::ostringstream os;
int precision;
if (isnan(f) or fabs(f) < 0.0001) {
f = 0.0;
precision = digits - 1;
} else {
precision = digits - (int)(log10f(fabs(f + 0.0001)) - 2 * DBL_EPSILON);
}
if (precision == -1) {
precision = 0;
}
os << std::setw(field_width) << 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(log10f(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, 5) + factor;
} else {
return " " + float_to_string(scaled, digits, 5 - factor.length()) + factor;
}
}
} // namespace srsenb