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srsRAN_4G/srsue/src/metrics_stdout.cc

247 lines
6.9 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 "srsue/hdr/metrics_stdout.h"
#include <float.h>
#include <iomanip>
#include <iostream>
#include <math.h>
#include <sstream>
#include <stdlib.h>
#include <unistd.h>
#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",
},
};
void metrics_stdout::set_ue_handle(ue_metrics_interface* ue_)
{
std::lock_guard<std::mutex> lock(mutex);
ue = ue_;
}
void metrics_stdout::toggle_print(bool b)
{
std::lock_guard<std::mutex> lock(mutex);
do_print = b;
}
void metrics_stdout::print_table(const bool display_neighbours, const bool is_nr)
{
if (is_nr) {
if (display_neighbours) {
fmt::print(
"---------Signal----------|-Neighbour-|-----------------DL-----------------|-----------UL-----------\n");
fmt::print(
"rat pci rsrp pl cfo | pci rsrp | mcs snr iter brate bler ta_us | mcs buff brate bler\n");
} else {
fmt::print("---------Signal----------|-----------------DL-----------------|-----------UL-----------\n");
fmt::print("rat pci rsrp pl cfo | mcs snr iter brate bler ta_us | mcs buff brate bler\n");
}
} else {
if (display_neighbours) {
fmt::print(
"---------Signal----------|-Neighbour-|-----------------DL-----------------|-----------UL-----------\n");
fmt::print(
" cc pci rsrp pl cfo | pci rsrp | mcs snr iter brate bler ta_us | mcs buff brate bler\n");
} else {
fmt::print("---------Signal----------|-----------------DL-----------------|-----------UL-----------\n");
fmt::print(" cc pci rsrp pl cfo | mcs snr iter brate bler ta_us | mcs buff brate bler\n");
}
}
table_has_neighbours = display_neighbours;
n_reports = 0;
}
void metrics_stdout::set_metrics_helper(const phy_metrics_t& phy,
const mac_metrics_t mac[SRSRAN_MAX_CARRIERS],
const rrc_metrics_t& rrc,
bool display_neighbours,
const uint32_t r,
bool is_carrier_nr,
bool print_carrier_num)
{
if (print_carrier_num) {
fmt::print("{:>3}", r);
} else {
fmt::print("{:>3.3}", (is_carrier_nr) ? "nr" : "lte");
}
if (phy.info[r].pci != UINT32_MAX) {
fmt::print(" {:>3}", phy.info[r].pci);
} else {
fmt::print(" {:>3.3}", "n/a");
}
fmt::print(" {:>4}", int(phy.ch[r].rsrp));
fmt::print(" {:>2}", int(phy.ch[r].pathloss));
fmt::print(" {:>5.5}", float_to_eng_string(phy.sync[r].cfo, 2));
// Find strongest neighbour for this EARFCN (cells are ordered)
if (display_neighbours) {
bool has_neighbour = false;
fmt::print(" |");
for (auto& c : rrc.neighbour_cells) {
if (c.earfcn == phy.info[r].dl_earfcn && c.pci != phy.info[r].pci) {
fmt::print(" {:>3}", c.pci);
fmt::print(" {:>4}", int(c.rsrp));
has_neighbour = true;
break;
}
}
if (!has_neighbour) {
fmt::print(" {:>3.3}", "n/a");
fmt::print(" {:>4.4}", "n/a");
}
}
fmt::print(" |");
fmt::print(" {:>2}", int(phy.dl[r].mcs));
fmt::print(" {:>3}", int(phy.ch[r].sinr));
fmt::print(" {:>4.1f}", phy.dl[r].fec_iters);
fmt::print(" {:>6.6}", float_to_eng_string((float)mac[r].rx_brate / (mac[r].nof_tti * 1e-3), 2));
if (mac[r].rx_pkts > 0) {
fmt::print(" {:>3}%", int((float)100 * mac[r].rx_errors / mac[r].rx_pkts));
} else {
fmt::print(" {:>3}%", 0);
}
fmt::print(" {:>4.1f}", phy.sync[r].ta_us);
fmt::print(" |");
fmt::print(" {:>2}", int(phy.ul[r].mcs));
fmt::print(" {:>6.6}", float_to_eng_string((float)mac[r].ul_buffer, 2));
fmt::print(" {:>6.6}", float_to_eng_string((float)mac[r].tx_brate / (mac[r].nof_tti * 1e-3), 2));
if (mac[r].tx_pkts > 0) {
fmt::print(" {:>3}%", int((float)100 * mac[r].tx_errors / mac[r].tx_pkts));
} else {
fmt::print(" {:>3}%", 0);
}
fmt::print("\n");
}
void metrics_stdout::set_metrics(const ue_metrics_t& metrics, const uint32_t period_usec)
{
std::lock_guard<std::mutex> lock(mutex);
if (ue == nullptr) {
return;
}
// always print RF error
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 (!do_print) {
return;
}
if (metrics.stack.rrc.state != RRC_STATE_CONNECTED) {
fmt::print("--- disconnected ---\n");
return;
}
bool display_neighbours = FORCE_NEIGHBOUR_CELL;
if (metrics.phy.nof_active_cc > 1) {
display_neighbours |= metrics.stack.rrc.neighbour_cells.size() > metrics.phy.nof_active_cc - 1;
} else {
display_neighbours |= metrics.stack.rrc.neighbour_cells.size() > 0;
}
bool is_nr = metrics.phy_nr.nof_active_cc > 0;
// print table header every 10 reports
if (++n_reports > 10) {
print_table(display_neighbours, is_nr);
}
// also print table header if neighbours are added/removed in between
if (display_neighbours != table_has_neighbours) {
print_table(display_neighbours, is_nr);
}
for (uint32_t r = 0; r < metrics.phy.nof_active_cc; r++) {
set_metrics_helper(metrics.phy, metrics.stack.mac, metrics.stack.rrc, display_neighbours, r, false, !is_nr);
}
for (uint32_t r = 0; r < metrics.phy_nr.nof_active_cc; r++) {
// Assumption LTE is followed by the NR carriers.
set_metrics_helper(metrics.phy_nr, metrics.stack.mac_nr, metrics.stack.rrc, display_neighbours, r, true, !is_nr);
}
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);
}
}
std::string metrics_stdout::float_to_string(float f, int digits)
{
std::ostringstream os;
const int precision =
SRSRAN_MIN((int)((f == 0.0f || f == 100.0f) ? digits - 1 : digits - log10f(fabsf(f)) - 2 * FLT_EPSILON), 3);
os << 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);
return float_to_string(scaled, digits) + factor;
}
} // namespace srsue