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-rw-r--r--host/examples/transport_hammer.cpp432
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;
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