diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/examples/transport_hammer.cpp | 432 |
1 files changed, 185 insertions, 247 deletions
diff --git a/host/examples/transport_hammer.cpp b/host/examples/transport_hammer.cpp index 597614050..f38b80cf3 100644 --- a/host/examples/transport_hammer.cpp +++ b/host/examples/transport_hammer.cpp @@ -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> @@ -27,313 +28,250 @@ namespace po = boost::program_options; -/************************************************************************ - * RX Samples - ************************************************************************/ - -void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, double rx_rate, bool rx_rand, int rx_low, int rx_high, int rx_step, bool verbose){ +/*********************************************************************** + * Test result variables + **********************************************************************/ +unsigned long long num_overflows = 0; +unsigned long long num_underflows = 0; +unsigned long long num_rx_samps = 0; +unsigned long long num_tx_samps = 0; +unsigned long long num_dropped_samps = 0; +unsigned long long num_seq_errors = 0; + +/*********************************************************************** + * RX Hammer + **********************************************************************/ +void rx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &rx_cpu, const std::string &rx_otw){ uhd::set_thread_priority_safe(); - //Set RX sample rate - std::cout << boost::format("Setting RX rate: %f Msps") % (rx_rate/1e6) << std::endl; - usrp->set_rx_rate(rx_rate); - std::cout << boost::format("Actual RX rate: %f Msps") % (usrp->get_rx_rate()/1e6) << std::endl << std::endl; - - if(rx_rand){ - std::srand((unsigned int) time(NULL)); - - while(true){ - size_t total_num_samps = (rand() % (rx_high - rx_low)) + rx_low; - - usrp->set_time_now(uhd::time_spec_t(0.0)); - - //Create a receive streamer - uhd::stream_args_t stream_args("fc32"); - uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); - - std::cout << boost::format("About to receive %u samples.") % total_num_samps << std::endl; - - uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); - stream_cmd.num_samps = total_num_samps; - stream_cmd.stream_now = true; - usrp->issue_stream_cmd(stream_cmd); - - //Metadata will be filled in by recv() - uhd::rx_metadata_t md; - - //Allocate buffer to receive with samples - std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps()); - double timeout = 1; - - size_t num_acc_samps = 0; //Number of accumulated samples - while(num_acc_samps < total_num_samps){ - //Receive a single packet - size_t num_rx_samps = rx_stream->recv( - &buff.front(), buff.size(), md, timeout, true - ); - - //Handle the error code - if(md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT){std::cout << "timeout" << std::endl; break;} - if(md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE && md.error_code != uhd::rx_metadata_t::ERROR_CODE_OVERFLOW){ - std::cout << "Error" << std::endl; - throw std::runtime_error(str(boost::format( - "Unexpected error code 0x%x" - ) % md.error_code)); - } - num_acc_samps += num_rx_samps; + //create a receive streamer + 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 + std::cout << boost::format( + "Testing receive rate %f Msps" + ) % (usrp->get_rx_rate()/1e6) << std::endl; + + //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<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(); + double timeout = 1; + + uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); + cmd.time_spec = usrp->get_time_now() + uhd::time_spec_t(0.05); + cmd.stream_now = (buffs.size() == 1); + srand( time(NULL) ); + + while (not boost::this_thread::interruption_requested()){ + cmd.num_samps = rand() % 100000; + usrp->issue_stream_cmd(cmd); + num_rx_samps += rx_stream->recv(buffs, max_samps_per_packet, md, timeout, true); + + //handle the error codes + switch(md.error_code){ + case uhd::rx_metadata_t::ERROR_CODE_NONE: + if (had_an_overflow){ + had_an_overflow = false; + num_dropped_samps += boost::math::iround((md.time_spec - last_time).get_real_secs()*rate); } - - if(num_acc_samps < total_num_samps) std::cerr << "Received timeout before all samples were received..." << std::endl; - else std::cout << boost::format("Successfully received %u samples.") % total_num_samps << std::endl; - } - } - else{ - for(int i = int(rx_low); i <= int(rx_high); i += rx_step){ - usrp->set_time_now(uhd::time_spec_t(0.0)); - - //Create a receive streamer - uhd::stream_args_t stream_args("fc32"); - uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args); - - //Set up streaming - std::cout << boost::format ("About to receive %u samples.") % i << std::endl; - uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); - stream_cmd.num_samps = i; - stream_cmd.stream_now = true; - usrp->issue_stream_cmd(stream_cmd); - - //Metadata will be filled in by recv() - uhd::rx_metadata_t md; - - //Allocate buffer to receive with samples - std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps()); - - double timeout = 1; - - size_t num_acc_samps = 0; //Number of accumulated samples - while(int(num_acc_samps) < i){ - //Receive a single packet - size_t num_rx_samps = rx_stream->recv( - &buff.front(), buff.size(), md, timeout, true - ); - - //Handle the error code - if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) break; - if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE && md.error_code != uhd::rx_metadata_t::ERROR_CODE_OVERFLOW){ - throw std::runtime_error(str(boost::format( - "Unexpected error code 0x%x" - ) % md.error_code)); - } - - if(verbose) std::cout << boost::format("Received %u samples.") % num_rx_samps << std::endl; - - num_acc_samps += num_rx_samps; - - } - std::cout << boost::format("Successfully received %u samples.") % i << std::endl; - - if (int(num_acc_samps) < i) std::cerr << "Timeout received before all samples were received..." << std::endl; - + break; + + case uhd::rx_metadata_t::ERROR_CODE_OVERFLOW: + had_an_overflow = true; + last_time = md.time_spec; + num_overflows++; + break; + + default: + std::cerr << "Error code: " << md.error_code << std::endl; + std::cerr << "Unexpected error on recv, continuing..." << std::endl; + break; } } } -/************************************************************************ - * TX Samples - ************************************************************************/ - -void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, double tx_rate, bool tx_rand, int tx_low, int tx_high, int tx_step, double tx_ampl, bool verbose){ +/*********************************************************************** + * TX Hammer + **********************************************************************/ +void tx_hammer(uhd::usrp::multi_usrp::sptr usrp, const std::string &tx_cpu, const std::string &tx_otw){ uhd::set_thread_priority_safe(); - //Set the TX sample rate - std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate / 1e6) << std::endl; - usrp->set_tx_rate(tx_rate); - std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl; - usrp->set_time_now(uhd::time_spec_t(0.0)); + int total_num_samps; - //Create a transmit streamer - uhd::stream_args_t stream_args("fc32"); //complex floats + //create a transmit streamer + 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); - - //Allocate buffer with data to send - std::vector<std::complex<float> > buff(tx_stream->get_max_num_samps(), std::complex<float>(tx_ampl, tx_ampl)); - - //Setup metadata for the first packet uhd::tx_metadata_t md; - md.start_of_burst = false; - md.end_of_burst = false; - md.has_time_spec = false; - - if(tx_rand){ - std::srand((unsigned int) time(NULL)); - - while(true){ - size_t total_num_samps = (rand() % (tx_high - tx_low)) + tx_low; - size_t num_acc_samps = 0; - float timeout = 1; - - std::cout << boost::format("About to send %u samples.") % total_num_samps << std::endl; - - usrp->set_time_now(uhd::time_spec_t(0.0)); - - while(num_acc_samps < total_num_samps){ - size_t samps_to_send = std::min(total_num_samps - num_acc_samps, buff.size()); - - //Send a single packet - size_t num_tx_samps = tx_stream->send(&buff.front(), samps_to_send, md, timeout); - - if(num_tx_samps < samps_to_send) std::cerr << "Send timeout..." << std::endl; - - num_acc_samps += num_tx_samps; - } - - md.end_of_burst = true; - tx_stream->send("", 0, md); - - if(verbose) std::cout << std::endl; - std::cout << "Waiting for async burst ACK... " << std::flush; - uhd::async_metadata_t async_md; - bool got_async_burst_ack = false; + std::vector<std::complex<float> > buff(10000); + + //print pre-test summary + std::cout << boost::format( + "Testing transmit rate %f Msps" + ) % (usrp->get_tx_rate()/1e6) << std::endl; + + //setup variables and allocate buffer + std::srand( time(NULL) ); + while(not boost::this_thread::interruption_requested()){ + size_t total_num_samps = rand() % 100000; + size_t num_acc_samps = 0; + float timeout = 1; - //Loop through all messages for the ACK packet (may have underflow messages in queue) - while (not got_async_burst_ack and usrp->get_device()->recv_async_msg(async_md, timeout)){ - got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); - } - std::cout << (got_async_burst_ack? "Success!" : "Failure...") << std::endl; + usrp->set_time_now(uhd::time_spec_t(0.0)); + while(num_acc_samps < total_num_samps){ - std::cout << boost::format("Successfully sent %u samples.") % total_num_samps << std::endl; + //send a single packet + num_tx_samps += tx_stream->send(&buff, tx_stream->get_max_num_samps(), md, timeout); + num_acc_samps += std::min(total_num_samps-num_acc_samps, tx_stream->get_max_num_samps()); } + //send a mini EOB packet + md.end_of_burst = true; + tx_stream->send("", 0, md); } - else{ - float timeout = 1; - - for(int i = int(tx_low); i <= int(tx_high); i += tx_step){ - - usrp->set_time_now(uhd::time_spec_t(0.0)); - - std::cout << boost::format("About to send %u samples.") % i << std::endl; - if(verbose) std::cout << std::endl; +} - size_t num_acc_samps = 0; //Number of accumulated samples - size_t total_num_samps = i; +void tx_hammer_async_helper(uhd::usrp::multi_usrp::sptr usrp){ + //setup variables and allocate buffer + uhd::async_metadata_t async_md; - while(num_acc_samps < total_num_samps){ - size_t samps_to_send = std::min(total_num_samps - num_acc_samps, buff.size()); + while (not boost::this_thread::interruption_requested()){ - //Send a single packet - size_t num_tx_samps = tx_stream->send( - &buff.front(), samps_to_send, md, timeout - ); + if (not usrp->get_device()->recv_async_msg(async_md)) continue; - if (num_tx_samps < samps_to_send) std::cerr << "Send timeout..." << std::endl; + //handle the error codes + switch(async_md.event_code){ + case uhd::async_metadata_t::EVENT_CODE_BURST_ACK: + return; - num_acc_samps += num_tx_samps; - } + case uhd::async_metadata_t::EVENT_CODE_UNDERFLOW: + case uhd::async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET: + num_underflows++; + break; - //Send a mini EOB packet - md.end_of_burst = true; - tx_stream->send("", 0, md); - - std::cout << std::endl << "Waiting for async burst ACK... " << std::flush; - uhd::async_metadata_t async_md; - bool got_async_burst_ack = false; - //Loop through all messages for the ACK packet (may have underflow messages in queue) - while (not got_async_burst_ack and usrp->get_device()->recv_async_msg(async_md, timeout)){ - got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK); - } - std::cout << (got_async_burst_ack? "Success!" : "Failure...") << std::endl; + case uhd::async_metadata_t::EVENT_CODE_SEQ_ERROR: + case uhd::async_metadata_t::EVENT_CODE_SEQ_ERROR_IN_BURST: + num_seq_errors++; + break; + default: + std::cerr << "Event code: " << async_md.event_code << std::endl; + std::cerr << "Unexpected event on async recv, continuing..." << std::endl; + break; } - //Finished - std::cout << "Done!" << std::endl; } } -/************************************************************************ +/*********************************************************************** * Main code + dispatcher - ************************************************************************/ - + **********************************************************************/ int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::set_thread_priority_safe(); - //Variables to be set by program options + //variables to be set by po std::string args; - double rx_rate; - int rx_low; - int rx_high; - int rx_step; - double tx_rate; - int tx_low; - int tx_high; - int tx_step; - double tx_ampl; - - //Set up the program options + 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"); desc.add_options() - ("help", "Print this help message.") - ("args", po::value<std::string>(&args)->default_value(""), "Single UHD device address args.") - ("rx_rate", po::value<double>(&rx_rate), "RX sample rate.") - ("rx_rand", "Specify to use random amounts of RX samples (between rx_low and rx_high values).") - ("rx_low", po::value<int>(&rx_low)->default_value(1), "Lowest value of RX samples.") - ("rx_high", po::value<int>(&rx_high)->default_value(10000), "Highest value of RX samples.") - ("rx_step", po::value<int>(&rx_step)->default_value(10), "Delta between number of collected RX samples.") - ("tx_rate", po::value<double>(&tx_rate), "TX sample rate.") - ("tx_rand", "Specify to use random amounts of TX samples (between tx_low and tx_high values).") - ("tx_low", po::value<int>(&tx_low)->default_value(1), "Lowest value of TX samples.") - ("tx_high", po::value<int>(&tx_high)->default_value(10000), "Highest value of TX samples.") - ("tx_step", po::value<int>(&tx_step)->default_value(10), "Delta between number of sent TX samples.") - ("tx_ampl", po::value<double>(&tx_ampl)->default_value(0.5), "TX amplitude.") - ("verbose", "Enables verbosity") - ; - po::variables_map vm; + ("help", "help message") + ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args") + ("duration", po::value<double>(&duration)->default_value(10.0), "if random, specify duration for the test in seconds") + ("rx_rate", po::value<double>(&rx_rate), "specify to perform a RX rate test (sps)") + ("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); po::notify(vm); - //Set verbose or RX/TX random if requested by user - bool rx_rand = vm.count("rx_rand") > 0; - bool tx_rand = vm.count("tx_rand") > 0; - bool verbose = vm.count("verbose") > 0; - - //Print the help message - - if (vm.count("help") or (vm.count("rx_rate") + vm.count("tx_rate")) == 0){ - std::cout << boost::format("UHD Transport Hammer %s") % desc << std::endl; + //print the help message + if (vm.count("help") or (vm.count("rx_rate") + vm.count("tx_rate")) == 0){ + //std::cout << boost::format("UHD Transport Hammer - %s") % desc << std::endl; std::cout << + "UHD Transport Hammer: a transport layer stress test that continuously\n" + "calls for random amounts of TX and RX samples\n\n"; + std::cout << desc << std::endl << " Specify --rx_rate for a receive-only test.\n" " Specify --tx_rate for a transmit-only test.\n" " Specify both options for a full-duplex test.\n" << std::endl; - return ~0; - } + return ~0; + } - //Create a USRP device + //create a usrp device std::cout << std::endl; uhd::device_addrs_t device_addrs = uhd::device::find(args); - std::cout << boost::format("Creating the USRP device with: %s...") % args << std::endl; + if (not device_addrs.empty() and device_addrs.at(0).get("type", "") == "usrp1"){ + std::cerr << "*** Warning! ***" << std::endl; + std::cerr << "Results will be inaccurate on USRP1 due to insufficient features.\n" << std::endl; + } + std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; 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 + //spawn the receive test thread if (vm.count("rx_rate")){ usrp->set_rx_rate(rx_rate); - thread_group.create_thread(boost::bind(&rx_hammer, usrp, rx_rate, rx_rand, rx_low, rx_high, rx_step, verbose)); - } + thread_group.create_thread(boost::bind(&rx_hammer, usrp, rx_cpu, rx_otw)); + } - //Spawn the transmit test thread + //spawn the transmit test thread if (vm.count("tx_rate")){ usrp->set_tx_rate(tx_rate); - thread_group.create_thread(boost::bind(&tx_hammer, usrp, tx_rate, tx_rand, tx_low, tx_high, tx_step, tx_ampl, verbose)); + thread_group.create_thread(boost::bind(&tx_hammer, usrp, tx_cpu, tx_otw)); + thread_group.create_thread(boost::bind(&tx_hammer_async_helper, usrp)); } - //Interrupt and join the threads - boost::this_thread::sleep(boost::posix_time::microseconds(long(1e6))); + //sleep for the required duration + const long secs = long(duration); + const long usecs = long((duration - secs)*1e6); + boost::this_thread::sleep(boost::posix_time::seconds(secs) + boost::posix_time::microseconds(usecs)); + + //interrupt and join the threads thread_group.interrupt_all(); thread_group.join_all(); - //Finished + + //print summary + std::cout << std::endl << boost::format( + "Transport Hammer summary:\n" + " Num received samples: %u\n" + " Num dropped samples: %u\n" + " Num overflows detected: %u\n" + " Num transmitted samples: %u\n" + " Num sequence errors: %u\n" + " Num underflows detected: %u\n" + ) % num_rx_samps % num_dropped_samps % num_overflows % num_tx_samps % num_seq_errors % num_underflows << std::endl; + + //finished std::cout << std::endl << "Done!" << std::endl << std::endl; return 0; |