uhd/host/examples/benchmark_streamer.cpp
Ciro Nishiguchi cb0a07aa04 uhd: Add dual measurements to benchmark_streamer
Add options to run benchmark_streamer with multiple streamers running
concurrently on separate threads.
2018-10-18 09:57:04 -07:00

698 lines
30 KiB
C++

//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include <uhd/device3.hpp>
#include <uhd/convert.hpp>
#include <uhd/utils/thread.hpp>
#include <uhd/utils/safe_main.hpp>
#include <uhd/rfnoc/block_ctrl.hpp>
#include <uhd/rfnoc/null_block_ctrl.hpp>
#include <uhd/rfnoc/ddc_block_ctrl.hpp>
#include <uhd/rfnoc/duc_block_ctrl.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <iostream>
#include <iomanip>
#include <thread>
#include <chrono>
namespace po = boost::program_options;
struct traffic_counter_values {
uint64_t clock_cycles;
uint64_t xbar_to_shell_last;
uint64_t xbar_to_shell_valid;
uint64_t xbar_to_shell_ready;
uint64_t shell_to_xbar_last;
uint64_t shell_to_xbar_valid;
uint64_t shell_to_xbar_ready;
uint64_t shell_to_ce_last;
uint64_t shell_to_ce_valid;
uint64_t shell_to_ce_ready;
uint64_t ce_to_shell_last;
uint64_t ce_to_shell_valid;
uint64_t ce_to_shell_ready;
};
struct host_measurement_values {
double seconds;
uint64_t num_samples;
uint64_t num_packets;
uint64_t spp;
};
struct test_results {
traffic_counter_values traffic_counter;
host_measurement_values host;
};
void enable_traffic_counters(
uhd::property_tree::sptr tree,
uhd::fs_path noc_block_root
) {
tree->access<uint64_t>(noc_block_root/"traffic_counter/enable").set(true);
}
void disable_traffic_counters(
uhd::property_tree::sptr tree,
uhd::fs_path noc_block_root
) {
tree->access<uint64_t>(noc_block_root/"traffic_counter/enable").set(false);
}
traffic_counter_values read_traffic_counters(
uhd::property_tree::sptr tree,
uhd::fs_path noc_block_root
) {
uhd::fs_path root = noc_block_root/"traffic_counter";
traffic_counter_values vals;
vals.clock_cycles = tree->access<uint64_t>(root/"bus_clock_ticks").get();
vals.xbar_to_shell_last = tree->access<uint64_t>(root/"xbar_to_shell_last").get();
vals.xbar_to_shell_valid = tree->access<uint64_t>(root/"xbar_to_shell_valid").get();
vals.xbar_to_shell_ready = tree->access<uint64_t>(root/"xbar_to_shell_ready").get();
vals.shell_to_xbar_last = tree->access<uint64_t>(root/"shell_to_xbar_last").get();
vals.shell_to_xbar_valid = tree->access<uint64_t>(root/"shell_to_xbar_valid").get();
vals.shell_to_xbar_ready = tree->access<uint64_t>(root/"shell_to_xbar_ready").get();
vals.shell_to_ce_last = tree->access<uint64_t>(root/"shell_to_ce_last").get();
vals.shell_to_ce_valid = tree->access<uint64_t>(root/"shell_to_ce_valid").get();
vals.shell_to_ce_ready = tree->access<uint64_t>(root/"shell_to_ce_ready").get();
vals.ce_to_shell_last = tree->access<uint64_t>(root/"ce_to_shell_last").get();
vals.ce_to_shell_valid = tree->access<uint64_t>(root/"ce_to_shell_valid").get();
vals.ce_to_shell_ready = tree->access<uint64_t>(root/"ce_to_shell_ready").get();
return vals;
}
void print_traffic_counters(
const traffic_counter_values& vals
) {
std::cout << "Clock cycles: " << vals.clock_cycles << std::endl;
std::cout << "Xbar to shell last: " << vals.xbar_to_shell_last << std::endl;
std::cout << "Xbar to shell valid: " << vals.xbar_to_shell_valid << std::endl;
std::cout << "Xbar to shell ready: " << vals.xbar_to_shell_ready << std::endl;
std::cout << "Shell to xbar last: " << vals.shell_to_xbar_last << std::endl;
std::cout << "Shell to xbar valid: " << vals.shell_to_xbar_valid << std::endl;
std::cout << "Shell to xbar ready: " << vals.shell_to_xbar_ready << std::endl;
std::cout << "Shell to CE last: " << vals.shell_to_ce_last << std::endl;
std::cout << "Shell to CE valid: " << vals.shell_to_ce_valid << std::endl;
std::cout << "Shell to CE ready: " << vals.shell_to_ce_ready << std::endl;
std::cout << "CE to shell last: " << vals.ce_to_shell_last << std::endl;
std::cout << "CE to shell valid: " << vals.ce_to_shell_valid << std::endl;
std::cout << "CE to shell ready: " << vals.ce_to_shell_ready << std::endl;
}
void print_rx_statistics(
const traffic_counter_values& vals,
const double bus_clk_freq
) {
double bus_time_elapsed = vals.clock_cycles / bus_clk_freq;
uint64_t num_ce_packets_read = vals.ce_to_shell_last;
uint64_t num_ce_samples_read = (vals.ce_to_shell_valid - num_ce_packets_read)*2;
uint64_t num_non_data_packets_read = vals.shell_to_xbar_last - num_ce_packets_read;
double rx_data_packet_ratio = (double)num_ce_packets_read/num_non_data_packets_read;
double calculated_throughput = num_ce_samples_read/bus_time_elapsed;
std::cout << "Time elapsed: " << bus_time_elapsed << " s" << std::endl;
std::cout << "Samples read: " << num_ce_samples_read << std::endl;
std::cout << "Data packets read: " << num_ce_packets_read << std::endl;
std::cout << "RX data packet ratio: " << rx_data_packet_ratio << " data to non-data packets" << std::endl;
std::cout << "Calculated throughput: " << calculated_throughput/1e6 << " Msps" << std::endl;
}
void print_tx_statistics(
const traffic_counter_values& vals,
const double bus_clk_freq
) {
double bus_time_elapsed = vals.clock_cycles / bus_clk_freq;
uint64_t num_ce_packets_written = vals.shell_to_ce_last;
uint64_t num_ce_samples_written = (vals.shell_to_ce_valid - num_ce_packets_written)*2;
uint64_t num_non_data_packets_written = vals.xbar_to_shell_last - num_ce_packets_written;
double tx_data_packet_ratio = (double)num_ce_packets_written/num_non_data_packets_written;
double calculated_throughput = num_ce_samples_written/bus_time_elapsed;
std::cout << "Time elapsed: " << bus_time_elapsed << " s" << std::endl;
std::cout << "Samples written: " << num_ce_samples_written << std::endl;
std::cout << "Data packets written: " << num_ce_packets_written << std::endl;
std::cout << "TX data packet ratio: " << tx_data_packet_ratio << " data to non-data packets" << std::endl;
std::cout << "Calculated throughput: " << calculated_throughput/1e6 << " Msps" << std::endl;
}
void print_utilization_statistics(
const traffic_counter_values& vals
) {
double rx_data_cycles = vals.ce_to_shell_valid - vals.ce_to_shell_last;
double rx_idle_cycles = vals.clock_cycles - vals.shell_to_xbar_valid;
double rx_data_header_cycles = vals.ce_to_shell_last;
double rx_other_cycles = vals.shell_to_xbar_valid - vals.ce_to_shell_valid;
double rx_data_util = rx_data_cycles / vals.clock_cycles*100;
double rx_idle_util = rx_idle_cycles / vals.clock_cycles*100;
double rx_data_header_util = rx_data_header_cycles / vals.clock_cycles * 100;
double rx_other_util = rx_other_cycles / vals.clock_cycles * 100;
std::cout << "RX utilization:" << std::endl;
std::cout << " data: " << rx_data_util << " %" << std::endl;
std::cout << " idle: " << rx_idle_util << " %" << std::endl;
std::cout << " data header: " << rx_data_header_util << " %" << std::endl;
std::cout << " other: " << rx_other_util << " % (flow control, register I/O)" << std::endl;
std::cout << std::endl;
double tx_data_cycles = vals.shell_to_ce_valid - vals.shell_to_ce_last;
double tx_idle_cycles = vals.clock_cycles - vals.xbar_to_shell_valid;
double tx_data_header_cycles = vals.shell_to_ce_last;
double tx_other_cycles = vals.xbar_to_shell_valid - vals.shell_to_ce_valid;
double tx_data_util = tx_data_cycles / vals.clock_cycles*100;
double tx_idle_util = tx_idle_cycles / vals.clock_cycles*100;
double tx_data_header_util = tx_data_header_cycles / vals.clock_cycles * 100;
double tx_other_util = tx_other_cycles / vals.clock_cycles * 100;
std::cout << "TX utilization:" << std::endl;
std::cout << " data: " << tx_data_util << " %" << std::endl;
std::cout << " idle: " << tx_idle_util << " %" << std::endl;
std::cout << " data header: " << tx_data_header_util << " %" << std::endl;
std::cout << " other: " << tx_other_util << " % (flow control, register I/O)" << std::endl;
}
void print_rx_results(
const test_results& results,
double bus_clk_freq
) {
std::cout << "------------------------------------------------------------------" << std::endl;
std::cout << "------------------- Benchmarking rx stream -----------------------" << std::endl;
std::cout << "------------------------------------------------------------------" << std::endl;
std::cout << "RX samples per packet: " << results.host.spp << std::endl;
std::cout << std::endl;
std::cout << "------------------ Traffic counter values ------------------------" << std::endl;
print_traffic_counters(results.traffic_counter);
std::cout << std::endl;
std::cout << "------------ Values calculated from traffic counters -------------" << std::endl;
print_rx_statistics(results.traffic_counter, bus_clk_freq);
std::cout << std::endl;
print_utilization_statistics(results.traffic_counter);
std::cout << std::endl;
std::cout << "--------------------- Host measurements --------------------------" << std::endl;
std::cout << "Time elapsed: " << results.host.seconds << " s" << std::endl;
std::cout << "Samples read: " << results.host.num_samples << std::endl;
std::cout << "Data packets read: " << results.host.num_packets << std::endl;
std::cout << "Calculated throughput: " << results.host.num_samples / results.host.seconds / 1e6 << " Msps" << std::endl;
}
void print_tx_results(
const test_results& results,
double bus_clk_freq
) {
std::cout << "------------------------------------------------------------------" << std::endl;
std::cout << "------------------- Benchmarking tx stream -----------------------" << std::endl;
std::cout << "------------------------------------------------------------------" << std::endl;
std::cout << "TX samples per packet: " << results.host.spp << std::endl;
std::cout << std::endl;
std::cout << "------------------ Traffic counter values ------------------------" << std::endl;
print_traffic_counters(results.traffic_counter);
std::cout << std::endl;
std::cout << "------------ Values calculated from traffic counters -------------" << std::endl;
print_tx_statistics(results.traffic_counter, bus_clk_freq);
std::cout << std::endl;
print_utilization_statistics(results.traffic_counter);
std::cout << std::endl;
std::cout << "--------------------- Host measurements --------------------------" << std::endl;
std::cout << "Time elapsed: " << results.host.seconds << " s" << std::endl;
std::cout << "Samples written: " << results.host.num_samples << std::endl;
std::cout << "Data packets written: " << results.host.num_packets << std::endl;
std::cout << "Calculated throughput: " << results.host.num_samples / results.host.seconds / 1e6 << " Msps" << std::endl;
}
uhd::rx_streamer::sptr configure_rx_streamer(
uhd::device3::sptr usrp,
const std::string& nullid,
const std::string& fifoid,
const size_t fifo_port,
const std::string& ddcid,
const double ddc_decim,
const size_t spp,
const std::string& format
) {
// Configure rfnoc
std::string endpoint_id = nullid;
size_t endpoint_port = 0;
auto rx_graph = usrp->create_graph("rx_graph");
if (not ddcid.empty()) {
rx_graph->connect(endpoint_id, ddcid);
endpoint_id = ddcid;
}
if (not fifoid.empty()) {
rx_graph->connect(endpoint_id, 0, fifoid, fifo_port);
endpoint_id = fifoid;
endpoint_port = fifo_port;
}
// Configure streamer
uhd::stream_args_t stream_args(format, "sc16");
stream_args.args["block_id"] = endpoint_id;
stream_args.args["block_port"] = str(boost::format("%d") % endpoint_port);
if (spp != 0) {
stream_args.args["spp"] = std::to_string(spp);
}
uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);
// Configure null source
const size_t otw_bytes_per_item = uhd::convert::get_bytes_per_item(stream_args.otw_format);
const size_t samps_per_packet = rx_stream->get_max_num_samps();
auto null_src_ctrl = usrp->get_block_ctrl<uhd::rfnoc::null_block_ctrl>(nullid);
null_src_ctrl->set_arg<int>("line_rate", 0);
null_src_ctrl->set_arg<int>("bpp", samps_per_packet*otw_bytes_per_item);
// Configure DDC
if (not ddcid.empty()) {
auto ddc_ctrl = usrp->get_block_ctrl<uhd::rfnoc::ddc_block_ctrl>(ddcid);
ddc_ctrl->set_arg<double>("input_rate", 1, 0);
ddc_ctrl->set_arg<double>("output_rate", 1/ddc_decim, 0);
double actual_rate = ddc_ctrl->get_arg<double>("output_rate", 0);
std::cout << "Actual DDC decimation: " << 1/actual_rate << std::endl;
}
return rx_stream;
}
test_results benchmark_rx_streamer(
uhd::device3::sptr usrp,
uhd::rx_streamer::sptr rx_stream,
const std::string& nullid,
const double duration,
const std::string& format
) {
auto null_src_ctrl = usrp->get_block_ctrl<uhd::rfnoc::null_block_ctrl>(nullid);
// Allocate buffer
const size_t cpu_bytes_per_item = uhd::convert::get_bytes_per_item(format);
const size_t samps_per_packet = rx_stream->get_max_num_samps();
std::vector<uint8_t> buffer(samps_per_packet*cpu_bytes_per_item);
std::vector<void *> buffers;
buffers.push_back(&buffer.front());
enable_traffic_counters(
usrp->get_tree(), null_src_ctrl->get_block_id().get_tree_root());
// Stream some packets
uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
stream_cmd.stream_now = true;
rx_stream->issue_stream_cmd(stream_cmd);
const std::chrono::duration<double> requested_duration(duration);
const auto start_time = std::chrono::steady_clock::now();
auto current_time = start_time;
uint64_t num_rx_samps = 0;
uint64_t num_rx_packets = 0;
uhd::rx_metadata_t md;
while (current_time - start_time < requested_duration) {
const size_t packets_per_iteration = 1000;
for (size_t i = 0; i < packets_per_iteration; i++){
num_rx_samps += rx_stream->recv(buffers, samps_per_packet, md, 1.0);
if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE) {
if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_OVERFLOW) {
continue;
}
else if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) {
std::cout << "[ERROR] Receive timeout, aborting." << std::endl;
break;
}
else {
std::cout << std::string("[ERROR] Receiver error: ")
<< md.strerror() << std::endl;
break;
}
}
}
num_rx_packets += packets_per_iteration;
current_time = std::chrono::steady_clock::now();
}
disable_traffic_counters(
usrp->get_tree(), null_src_ctrl->get_block_id().get_tree_root());
rx_stream->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS);
test_results results;
results.traffic_counter = read_traffic_counters(
usrp->get_tree(), null_src_ctrl->get_block_id().get_tree_root());
const std::chrono::duration<double> elapsed_time(current_time-start_time);
results.host.seconds = elapsed_time.count();
results.host.num_samples = num_rx_samps;
results.host.num_packets = num_rx_packets;
results.host.spp = samps_per_packet;
return results;
}
uhd::tx_streamer::sptr configure_tx_streamer(
uhd::device3::sptr usrp,
const std::string& nullid,
const std::string& fifoid,
const size_t fifo_port,
const std::string& ducid,
const double duc_interp,
const size_t spp,
const std::string& format
) {
// Configure rfnoc
std::string endpoint_id = nullid;
size_t endpoint_port = 0;
auto tx_graph = usrp->create_graph("tx_graph");
if (not ducid.empty()) {
tx_graph->connect(ducid, endpoint_id);
endpoint_id = ducid;
}
if (not fifoid.empty()) {
tx_graph->connect(fifoid, fifo_port, endpoint_id, 0);
endpoint_id = fifoid;
endpoint_port = fifo_port;
}
// Configure streamer
uhd::stream_args_t stream_args(format, "sc16");
stream_args.args["block_id"] = endpoint_id;
stream_args.args["block_port"] = str(boost::format("%d") % endpoint_port);
if (spp != 0) {
stream_args.args["spp"] = std::to_string(spp);
}
uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args);
// Configure null sink
auto null_sink_ctrl = usrp->get_block_ctrl<uhd::rfnoc::null_block_ctrl>(nullid);
// Configure DUC
if (not ducid.empty()) {
auto duc_ctrl = usrp->get_block_ctrl<uhd::rfnoc::duc_block_ctrl>(ducid);
duc_ctrl->set_arg<double>("output_rate", 1, 0);
duc_ctrl->set_arg<double>("input_rate", 1/duc_interp, 0);
double actual_rate = duc_ctrl->get_arg<double>("input_rate", 0);
std::cout << "Actual DUC interpolation: " << 1/actual_rate << std::endl;
}
return tx_stream;
}
test_results benchmark_tx_streamer(
uhd::device3::sptr usrp,
uhd::tx_streamer::sptr tx_stream,
const std::string& nullid,
const double duration,
const std::string& format
) {
auto null_sink_ctrl = usrp->get_block_ctrl<uhd::rfnoc::null_block_ctrl>(nullid);
// Allocate buffer
const size_t cpu_bytes_per_item = uhd::convert::get_bytes_per_item(format);
const size_t samps_per_packet = tx_stream->get_max_num_samps();
std::vector<uint8_t> buffer(samps_per_packet*cpu_bytes_per_item);
std::vector<void *> buffers;
buffers.push_back(&buffer.front());
enable_traffic_counters(
usrp->get_tree(), null_sink_ctrl->get_block_id().get_tree_root());
// Stream some packets
uint64_t num_tx_samps = 0;
uint64_t num_tx_packets = 0;
uhd::tx_metadata_t md;
const std::chrono::duration<double> requested_duration(duration);
const auto start_time = std::chrono::steady_clock::now();
auto current_time = start_time;
while (current_time - start_time < requested_duration) {
const size_t packets_per_iteration = 1000;
for (size_t i = 0; i < packets_per_iteration; i++){
num_tx_samps += tx_stream->send(buffers, samps_per_packet, md);
}
num_tx_packets += packets_per_iteration;
current_time = std::chrono::steady_clock::now();
}
disable_traffic_counters(
usrp->get_tree(), null_sink_ctrl->get_block_id().get_tree_root());
// Stop
md.end_of_burst = true;
tx_stream->send(buffers, 0, md);
test_results results;
results.traffic_counter = read_traffic_counters(
usrp->get_tree(), null_sink_ctrl->get_block_id().get_tree_root());
const std::chrono::duration<double> elapsed_time(current_time-start_time);
results.host.seconds = elapsed_time.count();
results.host.num_samples = num_tx_samps;
results.host.num_packets = num_tx_packets;
results.host.spp = samps_per_packet;
return results;
}
int UHD_SAFE_MAIN(int argc, char *argv[]){
//variables to be set by po
std::string args, format, fifoid0, ddcid0, ducid0, ddcid1, ducid1;
std::string nullid0, nullid1, nullid2, nullid3;
double rx_duration, tx_duration, dual_rx_duration, dual_tx_duration;
double full_duplex_duration, dual_full_duplex_duration;
double ddc_decim, duc_interp, bus_clk_freq;
size_t spp;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
("rx_duration", po::value<double>(&rx_duration)->default_value(0.0), "duration for the rx test in seconds")
("tx_duration", po::value<double>(&tx_duration)->default_value(0.0), "duration for the tx test in seconds")
("dual_rx_duration", po::value<double>(&dual_rx_duration)->default_value(0.0), "duration for the dual rx test in seconds")
("dual_tx_duration", po::value<double>(&dual_tx_duration)->default_value(0.0), "duration for the dual tx test in seconds")
("full_duplex_duration", po::value<double>(&full_duplex_duration)->default_value(0.0), "duration for the full duplex test in seconds")
("dual_full_duplex_duration", po::value<double>(&dual_full_duplex_duration)->default_value(0.0), "duration for the dual full duplex test in seconds")
("spp", po::value<size_t>(&spp)->default_value(0), "samples per packet (on FPGA and wire)")
("format", po::value<std::string>(&format)->default_value("sc16"), "Host sample type: sc16, fc32, or fc64")
("bus_clk_freq", po::value<double>(&bus_clk_freq)->default_value(187.5e6), "Bus clock frequency for throughput calculation (default: 187.5e6)")
("nullid0", po::value<std::string>(&nullid0)->default_value("0/NullSrcSink_0"), "The block ID for the null source.")
("nullid1", po::value<std::string>(&nullid1)->default_value("0/NullSrcSink_1"), "The block ID for the second null source in measurements with two streamers.")
("nullid2", po::value<std::string>(&nullid2)->default_value("0/NullSrcSink_2"), "The block ID for the third null source in measuremetns with three streamers")
("nullid3", po::value<std::string>(&nullid3)->default_value("0/NullSrcSink_3"), "The block ID for the fourth null source in measurements with four streamers.")
("fifoid0", po::value<std::string>(&fifoid0)->default_value(""), "Optional: The block ID for a FIFO.")
("ddcid0", po::value<std::string>(&ddcid0)->default_value(""), "Optional: The block ID for a DDC for the rx stream.")
("ddcid1", po::value<std::string>(&ddcid1)->default_value(""), "Optional: The block ID for the second DDC in dual rx measurements.")
("ddc_decim", po::value<double>(&ddc_decim)->default_value(1), "DDC decimation, between 1 and max decimation (default: 1, no decimation)")
("ducid0", po::value<std::string>(&ducid0)->default_value(""), "Optional: The block ID for a DUC for the tx stream.")
("ducid1", po::value<std::string>(&ducid1)->default_value(""), "Optional: The block ID for the second DUC in dual tx measurements.")
("duc_interp", po::value<double>(&duc_interp)->default_value(1), "Rate of DUC, between 1 and max interpolation (default: 1, no interpolation)")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
po::notify(vm);
//print the help message
bool at_least_one_test_specified =
rx_duration != 0.0 or tx_duration != 0.0 or
dual_rx_duration != 0.0 or dual_tx_duration != 0.0 or
full_duplex_duration != 0.0 or dual_full_duplex_duration != 0.0;
if (vm.count("help") or (not at_least_one_test_specified)) {
std::cout << boost::format("UHD - Benchmark Streamer") << std::endl;
std::cout <<
" Benchmark streamer connects a null sink/source to a streamer and\n"
" measures maximum throughput. The null sink/source must be compiled\n"
" with traffic counters enabled. Optionally, a DMA FIFO and a DUC\n"
" can be inserted in the tx data path and a DMA FIFO and a DDC can\n"
" be inserted in the rx data path. The benchmark can be run with\n"
" multiple tx and rx streams concurrently.\n\n"
" Specify --rx_duration=<seconds> to run benchmark of rx streamer.\n"
" Specify --tx_duration=<seconds> to run benchmark of tx streamer.\n"
" Specify --dual_rx_duration=<seconds> to run benchmark of dual rx streamers.\n"
" Specify --dual_tx_duration=<seconds> to run benchmark of dual tx streamers.\n"
" Specify --full_duplex_duration=<seconds> to run benchmark of full duplex streamers.\n"
" Specify --dual_full_duplex_duration=<seconds> to run benchmark of dual full duplex streamers.\n"
" Note: for full duplex tests, if a DMA FIFO is specified, it is\n"
" inserted in the tx data path only.\n"
<< std::endl << desc << std::endl;
return EXIT_SUCCESS;
}
uhd::set_thread_priority_safe();
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
uhd::device3::sptr usrp = uhd::device3::make(args);
if (rx_duration != 0.0) {
usrp->clear();
auto rx_stream = configure_rx_streamer(usrp, nullid0, fifoid0, 0,
ddcid0, ddc_decim, spp, format);
auto results = benchmark_rx_streamer(usrp, rx_stream, nullid0,
rx_duration, format);
print_rx_results(results, bus_clk_freq);
}
if (tx_duration != 0.0) {
usrp->clear();
auto tx_stream = configure_tx_streamer(usrp, nullid0, fifoid0, 0,
ducid0, duc_interp, spp, format);
auto results = benchmark_tx_streamer(usrp, tx_stream, nullid0,
tx_duration, format);
print_tx_results(results, bus_clk_freq);
}
if (dual_rx_duration != 0.0) {
usrp->clear();
auto rx_stream0 = configure_rx_streamer(usrp, nullid0, fifoid0, 0,
ddcid0, ddc_decim, spp, format);
auto rx_stream1 = configure_rx_streamer(usrp, nullid1, fifoid0, 1,
ddcid1, ddc_decim, spp, format);
test_results results0, results1;
std::thread t0(
[&results0, usrp, rx_stream0, nullid0, dual_rx_duration, format]() {
results0 = benchmark_rx_streamer(usrp, rx_stream0, nullid0,
dual_rx_duration, format);
});
std::thread t1(
[&results1, usrp, rx_stream1, nullid1, dual_rx_duration, format]() {
results1 = benchmark_rx_streamer(usrp, rx_stream1, nullid1,
dual_rx_duration, format);
});
t0.join();
t1.join();
print_rx_results(results0, bus_clk_freq);
print_rx_results(results1, bus_clk_freq);
}
if (dual_tx_duration != 0.0) {
usrp->clear();
auto tx_stream0 = configure_tx_streamer(usrp, nullid0, fifoid0, 0,
ducid0, duc_interp, spp, format);
auto tx_stream1 = configure_tx_streamer(usrp, nullid1, fifoid0, 1,
ducid1, duc_interp, spp, format);
test_results results0, results1;
std::thread t0(
[&results0, usrp, tx_stream0, nullid0, dual_tx_duration, format]() {
results0 = benchmark_tx_streamer(usrp, tx_stream0, nullid0,
dual_tx_duration, format);
});
std::thread t1(
[&results1, usrp, tx_stream1, nullid1, dual_tx_duration, format]() {
results1 = benchmark_tx_streamer(usrp, tx_stream1, nullid1,
dual_tx_duration, format);
});
t0.join();
t1.join();
print_tx_results(results0, bus_clk_freq);
print_tx_results(results1, bus_clk_freq);
}
if (full_duplex_duration != 0.0) {
usrp->clear();
auto tx_stream = configure_tx_streamer(usrp, nullid0, fifoid0, 0,
ducid0, duc_interp, spp, format);
auto rx_stream = configure_rx_streamer(usrp, nullid1, "", 0,
ddcid0, ddc_decim, spp, format);
test_results tx_results, rx_results;
std::thread t0(
[&tx_results, usrp, tx_stream, nullid0, full_duplex_duration, format]() {
tx_results = benchmark_tx_streamer(usrp, tx_stream, nullid0,
full_duplex_duration, format);
});
std::thread t1(
[&rx_results, usrp, rx_stream, nullid1, full_duplex_duration, format]() {
rx_results = benchmark_rx_streamer(usrp, rx_stream, nullid1,
full_duplex_duration, format);
});
t0.join();
t1.join();
print_tx_results(tx_results, bus_clk_freq);
print_rx_results(rx_results, bus_clk_freq);
}
if (dual_full_duplex_duration != 0.0) {
usrp->clear();
auto tx_stream0 = configure_tx_streamer(usrp, nullid0, fifoid0, 0,
ducid0, duc_interp, spp, format);
auto tx_stream1 = configure_tx_streamer(usrp, nullid1, fifoid0, 1,
ducid1, duc_interp, spp, format);
auto rx_stream0 = configure_rx_streamer(usrp, nullid2, "", 0,
ddcid0, ddc_decim, spp, format);
auto rx_stream1 = configure_rx_streamer(usrp, nullid3, "", 0,
ddcid1, ddc_decim, spp, format);
test_results tx_results0, tx_results1;
test_results rx_results0, rx_results1;
std::thread t0(
[&tx_results0, usrp, tx_stream0, nullid0, dual_full_duplex_duration, format]() {
tx_results0 = benchmark_tx_streamer(usrp, tx_stream0, nullid0,
dual_full_duplex_duration, format);
});
std::thread t1(
[&tx_results1, usrp, tx_stream1, nullid1, dual_full_duplex_duration, format]() {
tx_results1 = benchmark_tx_streamer(usrp, tx_stream1, nullid1,
dual_full_duplex_duration, format);
});
std::thread t2(
[&rx_results0, usrp, rx_stream0, nullid2, dual_full_duplex_duration, format]() {
rx_results0 = benchmark_rx_streamer(usrp, rx_stream0, nullid2,
dual_full_duplex_duration, format);
});
std::thread t3(
[&rx_results1, usrp, rx_stream1, nullid3, dual_full_duplex_duration, format]() {
rx_results1 = benchmark_rx_streamer(usrp, rx_stream1, nullid3,
dual_full_duplex_duration, format);
});
t0.join();
t1.join();
t2.join();
t3.join();
print_tx_results(tx_results0, bus_clk_freq);
print_tx_results(tx_results1, bus_clk_freq);
print_rx_results(rx_results0, bus_clk_freq);
print_rx_results(rx_results1, bus_clk_freq);
}
return EXIT_SUCCESS;
}