diff options
Diffstat (limited to 'host/examples')
| -rw-r--r-- | host/examples/benchmark_rate.cpp | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/host/examples/benchmark_rate.cpp b/host/examples/benchmark_rate.cpp index 8f00e25de..8a000f6c3 100644 --- a/host/examples/benchmark_rate.cpp +++ b/host/examples/benchmark_rate.cpp @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -16,6 +16,7 @@ // #include <uhd/utils/thread_priority.hpp> +#include <uhd/convert.hpp> #include <uhd/utils/safe_main.hpp> #include <uhd/usrp/multi_usrp.hpp> #include <boost/program_options.hpp> @@ -40,11 +41,13 @@ unsigned long long num_seq_errors = 0; /*********************************************************************** * Benchmark RX Rate **********************************************************************/ -void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_otw){ +void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, const std::string &rx_otw){ uhd::set_thread_priority_safe(); //create a receive streamer - uhd::stream_args_t stream_args("fc32", rx_otw); //complex floats + uhd::stream_args_t stream_args(rx_cpu, rx_otw); + for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); //print pre-test summary @@ -55,16 +58,20 @@ void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_o //setup variables and allocate buffer uhd::rx_metadata_t md; const size_t max_samps_per_packet = rx_stream->get_max_num_samps(); - std::vector<std::complex<float> > buff(max_samps_per_packet); + std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(rx_cpu)); + std::vector<void *> buffs; + for (size_t ch = 0; ch < stream_args.channels.size(); ch++) + buffs.push_back(&buff.front()); //same buffer for each channel bool had_an_overflow = false; uhd::time_spec_t last_time; const double rate = usrp->get_rx_rate(); - usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); + uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); + cmd.time_spec = usrp->get_time_now() + uhd::time_spec_t(0.05); + cmd.stream_now = (buffs.size() == 1); + usrp->issue_stream_cmd(cmd); while (not boost::this_thread::interruption_requested()){ - num_rx_samps += rx_stream->recv( - &buff.front(), buff.size(), md - ); + num_rx_samps += rx_stream->recv(buffs, max_samps_per_packet, md); //handle the error codes switch(md.error_code){ @@ -94,11 +101,13 @@ void benchmark_rx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_o /*********************************************************************** * Benchmark TX Rate **********************************************************************/ -void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_otw){ +void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, const std::string &tx_otw){ uhd::set_thread_priority_safe(); //create a transmit streamer - uhd::stream_args_t stream_args("fc32", tx_otw); //complex floats + uhd::stream_args_t stream_args(tx_cpu, tx_otw); + for (size_t ch = 0; ch < usrp->get_num_mboards(); ch++) //linear channel mapping + stream_args.channels.push_back(ch); uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); //print pre-test summary @@ -108,17 +117,22 @@ void benchmark_tx_rate(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_o //setup variables and allocate buffer uhd::tx_metadata_t md; - md.has_time_spec = false; + md.time_spec = usrp->get_time_now() + uhd::time_spec_t(0.05); const size_t max_samps_per_packet = tx_stream->get_max_num_samps(); - std::vector<std::complex<float> > buff(max_samps_per_packet); + std::vector<char> buff(max_samps_per_packet*uhd::convert::get_bytes_per_item(tx_cpu)); + std::vector<const void *> buffs; + for (size_t ch = 0; ch < stream_args.channels.size(); ch++) + buffs.push_back(&buff.front()); //same buffer for each channel + md.has_time_spec = (buffs.size() != 1); while (not boost::this_thread::interruption_requested()){ - num_tx_samps += tx_stream->send(&buff.front(), buff.size(), md); + num_tx_samps += tx_stream->send(buffs, max_samps_per_packet, md); + md.has_time_spec = false; } //send a mini EOB packet md.end_of_burst = true; - tx_stream->send("", 0, md); + tx_stream->send(buffs, 0, md); } void benchmark_tx_rate_async_helper(uhd::usrp::multi_usrp::sptr usrp){ @@ -163,6 +177,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ double duration; double rx_rate, tx_rate; std::string rx_otw, tx_otw; + std::string rx_cpu, tx_cpu; + std::string mode; //setup the program options po::options_description desc("Allowed options"); @@ -174,6 +190,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ ("tx_rate", po::value<double>(&tx_rate), "specify to perform a TX rate test (sps)") ("rx_otw", po::value<std::string>(&rx_otw)->default_value("sc16"), "specify the over-the-wire sample mode for RX") ("tx_otw", po::value<std::string>(&tx_otw)->default_value("sc16"), "specify the over-the-wire sample mode for TX") + ("rx_cpu", po::value<std::string>(&rx_cpu)->default_value("fc32"), "specify the host/cpu sample mode for RX") + ("tx_cpu", po::value<std::string>(&tx_cpu)->default_value("fc32"), "specify the host/cpu sample mode for TX") + ("mode", po::value<std::string>(&mode)->default_value("none"), "multi-channel sync mode option: none, mimo") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -201,18 +220,24 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args); std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl; + if (mode == "mimo"){ + usrp->set_clock_source("mimo", 0); + usrp->set_time_source("mimo", 0); + boost::this_thread::sleep(boost::posix_time::seconds(1)); + } + boost::thread_group thread_group; //spawn the receive test thread if (vm.count("rx_rate")){ usrp->set_rx_rate(rx_rate); - thread_group.create_thread(boost::bind(&benchmark_rx_rate, usrp, rx_otw)); + thread_group.create_thread(boost::bind(&benchmark_rx_rate, usrp, rx_cpu, rx_otw)); } //spawn the transmit test thread if (vm.count("tx_rate")){ usrp->set_tx_rate(tx_rate); - thread_group.create_thread(boost::bind(&benchmark_tx_rate, usrp, tx_otw)); + thread_group.create_thread(boost::bind(&benchmark_tx_rate, usrp, tx_cpu, tx_otw)); thread_group.create_thread(boost::bind(&benchmark_tx_rate_async_helper, usrp)); } |