artdaq  v3_03_00
TransferTest.cc
1 #include "artdaq/DAQrate/TransferTest.hh"
2 
3 #include "artdaq-core/Data/Fragment.hh"
4 #include "artdaq/DAQrate/FragmentReceiverManager.hh"
5 #include "artdaq/DAQrate/DataSenderManager.hh"
6 
7 #define TRACE_NAME "TransferTest"
8 #include "artdaq/DAQdata/Globals.hh"
9 
10 #include "fhiclcpp/make_ParameterSet.h"
11 
12 #include <future>
13 
14 artdaq::TransferTest::TransferTest(fhicl::ParameterSet psi)
15  : senders_(psi.get<int>("num_senders"))
16  , receivers_(psi.get<int>("num_receivers"))
17  , sending_threads_(psi.get<int>("sending_threads", 1))
18  , sends_each_sender_(psi.get<int>("sends_per_sender"))
19  , receives_each_receiver_(senders_ * sending_threads_ * sends_each_sender_ / receivers_)
20  , buffer_count_(psi.get<int>("buffer_count", 10))
21  , error_count_max_(psi.get<int>("max_errors_before_abort", 3))
22  , fragment_size_(psi.get<size_t>("fragment_size", 0x100000))
23  , ps_()
24  , validate_mode_(psi.get<bool>("validate_data_mode", false))
25  , partition_number_(psi.get<int>("partition_number", rand() % 0x7F))
26 {
27  TLOG(10) << "CONSTRUCTOR";
28 
29  if (fragment_size_ < artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType))
30  {
31  fragment_size_ = artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType);
32  }
33 
34  fhicl::ParameterSet metric_pset;
35 
36  try
37  {
38  metric_pset = psi.get<fhicl::ParameterSet>("metrics");
39  }
40  catch (...) {} // OK if there's no metrics table defined in the FHiCL
41 
42  try
43  {
44  std::string name = "TransferTest" + std::to_string(my_rank);
45  metricMan->initialize(metric_pset, name);
46  metricMan->do_start();
47  }
48  catch (...) {}
49 
50  std::string type(psi.get<std::string>("transfer_plugin_type", "Shmem"));
51 
52  if (receivers_ > 0)
53  {
54  if (senders_ * sends_each_sender_ % receivers_ != 0)
55  {
56  TLOG(TLVL_TRACE) << "Adding sends so that sends_each_sender * num_sending_ranks is a multiple of num_receiving_ranks" << std::endl;
57  while (senders_ * sends_each_sender_ % receivers_ != 0)
58  {
59  sends_each_sender_++;
60  }
61  receives_each_receiver_ = senders_ * sends_each_sender_ / receivers_;
62  TLOG(TLVL_TRACE) << "sends_each_sender is now " << sends_each_sender_ << std::endl;
63  psi.put_or_replace("sends_per_sender", sends_each_sender_);
64  }
65  }
66 
67  std::string hostmap = "";
68  if (psi.has_key("hostmap"))
69  {
70  hostmap = " host_map: @local::hostmap";
71  }
72 
73  std::stringstream ss;
74  ss << psi.to_string() << std::endl;
75 
76  ss << " sources: {";
77  for (int ii = 0; ii < senders_; ++ii)
78  {
79  ss << "s" << ii << ": { transferPluginType: " << type << " source_rank: " << ii << " max_fragment_size_words : " << fragment_size_ << " buffer_count : " << buffer_count_ << " partition_number : " << partition_number_ << hostmap << " }" << std::endl;
80  }
81  ss << "}" << std::endl << " destinations: {";
82  for (int jj = senders_; jj < senders_ + receivers_; ++jj)
83  {
84  ss << "d" << jj << ": { transferPluginType: " << type << " destination_rank: " << jj << " max_fragment_size_words : " << fragment_size_ << " buffer_count : " << buffer_count_ << " partition_number : " << partition_number_ << hostmap << " }" << std::endl;
85  }
86  ss << "}" << std::endl;
87 
88  make_ParameterSet(ss.str(), ps_);
89 
90 
91  TLOG(TLVL_DEBUG) << "Going to configure with ParameterSet: " << ps_.to_string() << std::endl;
92 }
93 
95 {
96  TLOG(TLVL_INFO) << "runTest BEGIN: " << (my_rank < senders_ ? "sending" : "receiving");
97  start_time_ = std::chrono::steady_clock::now();
98  std::pair<size_t, double> result;
99  if (my_rank >= senders_ + receivers_) return 0;
100  if (my_rank < senders_)
101  {
102  std::vector<std::future<std::pair<size_t, double>>> results_futures(sending_threads_);
103  for (int ii = 0; ii < sending_threads_; ++ii)
104  {
105  results_futures[ii] = std::async(std::bind(&TransferTest::do_sending, this, ii));
106  }
107  for (auto& future : results_futures)
108  {
109  if (future.valid())
110  {
111  auto thisresult = future.get();
112  result.first += thisresult.first;
113  result.second += thisresult.second;
114  }
115  }
116  }
117  else
118  {
119  result = do_receiving();
120  }
121  auto duration = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - start_time_).count();
122  TLOG(TLVL_INFO) << (my_rank < senders_ ? "Sent " : "Received ") << result.first << " bytes in " << duration << " seconds ( " << formatBytes(result.first / duration) << "/s )." << std::endl;
123  TLOG(TLVL_INFO) << "Rate of " << (my_rank < senders_ ? "sending" : "receiving") << ": " << formatBytes(result.first / result.second) << "/s." << std::endl;
124  metricMan->do_stop();
125  metricMan->shutdown();
126  TLOG(11) << "runTest DONE";
127  return 0;
128 }
129 
130 std::pair<size_t, double> artdaq::TransferTest::do_sending(int index)
131 {
132  TLOG(7) << "do_sending entered RawFragmentHeader::num_words()=" << artdaq::detail::RawFragmentHeader::num_words();
133 
134  size_t totalSize = 0;
135  double totalTime = 0;
136  artdaq::DataSenderManager sender(ps_);
137 
138  unsigned data_size_wrds = (fragment_size_ / sizeof(artdaq::RawDataType)) - artdaq::detail::RawFragmentHeader::num_words();
139  artdaq::Fragment frag(data_size_wrds);
140 
141  if (validate_mode_)
142  {
143  artdaq::RawDataType gen_seed = 0;
144 
145  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
146  for (size_t ii = 0; ii < frag.dataSize(); ++ii)
147  {
148  if (*(frag.dataBegin() + ii) != ii + 1)
149  {
150  TLOG(TLVL_ERROR) << "Data corruption detected! (" << (*(frag.dataBegin() + ii)) << " != " << (ii + 1) << ") Aborting!";
151  exit(1);
152  }
153  }
154  }
155 
156  int metric_send_interval = sends_each_sender_ / 1000 > 1 ? sends_each_sender_ / 1000 : 1;
157  auto init_time_metric = 0.0;
158  auto send_time_metric = 0.0;
159  auto after_time_metric = 0.0;
160  auto send_size_metric = 0.0;
161  auto error_count = 0;
162 
163  for (int ii = 0; ii < sends_each_sender_; ++ii)
164  {
165  auto loop_start = std::chrono::steady_clock::now();
166  TLOG(7) << "sender rank " << my_rank << " #" << ii << " resized bytes=" << frag.sizeBytes();
167  totalSize += frag.sizeBytes();
168 
169  //unsigned sndDatSz = data_size_wrds;
170  frag.setSequenceID(ii * sending_threads_ + index);
171  frag.setFragmentID(my_rank);
172  frag.setSystemType(artdaq::Fragment::DataFragmentType);
173  /*
174  artdaq::Fragment::iterator it = frag.dataBegin();
175  *it = my_rank;
176  *++it = ii;
177  *++it = sndDatSz;*/
178 
179  auto send_start = std::chrono::steady_clock::now();
180  TLOG(TLVL_DEBUG) << "Sender " << my_rank << " sending fragment " << ii;
181  auto stspair = sender.sendFragment(std::move(frag));
182  auto after_send = std::chrono::steady_clock::now();
183  TLOG(TLVL_TRACE) << "Sender " << my_rank << " sent fragment " << ii;
184  //usleep( (data_size_wrds*sizeof(artdaq::RawDataType))/233 );
185 
187  {
188  error_count++;
189  if (error_count >= error_count_max_)
190  {
191  TLOG(TLVL_ERROR) << "Too many errors sending fragments! Aborting... (sent=" << ii << "/" << sends_each_sender_ << ")";
192  exit(sends_each_sender_ - ii);
193  }
194  }
195 
196  frag = artdaq::Fragment(data_size_wrds); // replace/renew
197  if (validate_mode_)
198  {
199  artdaq::RawDataType gen_seed = ii + 1;
200 
201  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
202  for (size_t jj = 0; jj < frag.dataSize(); ++jj)
203  {
204  if (*(frag.dataBegin() + jj) != (ii + 1) + jj + 1)
205  {
206  TLOG(TLVL_ERROR) << "Input Data corruption detected! (" << *(frag.dataBegin() + jj) << " != " << ii + jj + 2 << " at position " << ii << ") Aborting!";
207  exit(1);
208  }
209  }
210  }
211  TLOG(9) << "sender rank " << my_rank << " frag replaced";
212 
213  auto total_send_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_send - send_start).count();
214  totalTime += total_send_time;
215  send_time_metric += total_send_time;
216  send_size_metric += data_size_wrds * sizeof(artdaq::RawDataType);
217  after_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - after_send).count();
218  init_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(send_start - loop_start).count();
219 
220  if (metricMan && ii % metric_send_interval == 0)
221  {
222  metricMan->sendMetric("send_init_time", init_time_metric, "seconds", 3, MetricMode::Accumulate);
223  metricMan->sendMetric("total_send_time", send_time_metric, "seconds", 3, MetricMode::Accumulate);
224  metricMan->sendMetric("after_send_time", after_time_metric, "seconds", 3, MetricMode::Accumulate);
225  metricMan->sendMetric("send_rate", send_size_metric / send_time_metric, "B/s", 3, MetricMode::Average);
226  init_time_metric = 0.0;
227  send_time_metric = 0.0;
228  after_time_metric = 0.0;
229  send_size_metric = 0.0;
230  }
231  usleep(0); // Yield execution
232  }
233 
234  return std::make_pair(totalSize, totalTime);
235 } // do_sending
236 
237 std::pair<size_t, double> artdaq::TransferTest::do_receiving()
238 {
239  TLOG(7) << "do_receiving entered";
240 
241  artdaq::FragmentReceiverManager receiver(ps_);
242  receiver.start_threads();
243  int counter = receives_each_receiver_;
244  size_t totalSize = 0;
245  double totalTime = 0;
246  bool first = true;
247  int activeSenders = senders_ * sending_threads_;
248  auto end_loop = std::chrono::steady_clock::now();
249 
250  auto recv_size_metric = 0.0;
251  auto recv_time_metric = 0.0;
252  auto input_wait_metric = 0.0;
253  auto init_wait_metric = 0.0;
254  int metric_send_interval = receives_each_receiver_ / 1000 > 1 ? receives_each_receiver_ : 1;
255 
256  // Only abort when there are no senders if were's > 90% done
257  while ((activeSenders > 0 || counter > receives_each_receiver_ / 10) && counter > 0)
258  {
259  auto start_loop = std::chrono::steady_clock::now();
260  TLOG(7) << "do_receiving: Counter is " << counter << ", calling recvFragment";
262  auto before_receive = std::chrono::steady_clock::now();
263 
264  auto ignoreFragPtr = receiver.recvFragment(senderSlot);
265  auto after_receive = std::chrono::steady_clock::now();
266  init_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(before_receive - start_loop).count();
267  size_t thisSize = 0;
268  if (senderSlot >= artdaq::TransferInterface::RECV_SUCCESS && ignoreFragPtr)
269  {
270  if (ignoreFragPtr->type() == artdaq::Fragment::EndOfDataFragmentType)
271  {
272  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received EndOfData Fragment from Sender " << senderSlot;
273  activeSenders--;
274  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
275  }
276  else if (ignoreFragPtr->type() != artdaq::Fragment::DataFragmentType)
277  {
278  TLOG(TLVL_WARNING) << "Receiver " << my_rank << " received Fragment with System type " << artdaq::detail::RawFragmentHeader::SystemTypeToString(ignoreFragPtr->type()) << " (Unexpected!)";
279  }
280  else
281  {
282  if (first)
283  {
284  start_time_ = std::chrono::steady_clock::now();
285  first = false;
286  }
287  counter--;
288  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received fragment " << receives_each_receiver_ - counter
289  << " with seqID " << ignoreFragPtr->sequenceID() << " from Sender " << senderSlot << " (Expecting " << counter << " more)";
290  thisSize = ignoreFragPtr->size() * sizeof(artdaq::RawDataType);
291  totalSize += thisSize;
292  if (validate_mode_)
293  {
294  for (size_t ii = 0; ii < ignoreFragPtr->dataSize(); ++ii)
295  {
296  if (*(ignoreFragPtr->dataBegin() + ii) != ignoreFragPtr->sequenceID() + ii + 1)
297  {
298  TLOG(TLVL_ERROR) << "Output Data corruption detected! (" << *(ignoreFragPtr->dataBegin() + ii) << " != " << (ignoreFragPtr->sequenceID() + ii + 1) << " at position " << ii << ") Aborting!";
299  exit(1);
300  }
301  }
302  }
303  }
304  input_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - end_loop).count();
305  }
306  else if (senderSlot == artdaq::TransferInterface::DATA_END)
307  {
308  TLOG(TLVL_ERROR) << "Receiver " << my_rank << " detected fatal protocol error! Reducing active sender count by one!" << std::endl;
309  activeSenders--;
310  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
311  }
312  TLOG(7) << "do_receiving: Recv Loop end, counter is " << counter;
313 
314 
315  auto total_recv_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - before_receive).count();
316  recv_time_metric += total_recv_time;
317  totalTime += total_recv_time;
318  recv_size_metric += thisSize;
319 
320  if (metricMan && counter % metric_send_interval == 0)
321  {
322  metricMan->sendMetric("input_wait", input_wait_metric, "seconds", 3, MetricMode::Accumulate);
323  metricMan->sendMetric("recv_init_time", init_wait_metric, "seconds", 3, MetricMode::Accumulate);
324  metricMan->sendMetric("total_recv_time", recv_time_metric, "seconds", 3, MetricMode::Accumulate);
325  metricMan->sendMetric("recv_rate", recv_size_metric / recv_time_metric, "B/s", 3, MetricMode::Average);
326 
327  input_wait_metric = 0.0;
328  init_wait_metric = 0.0;
329  recv_time_metric = 0.0;
330  recv_size_metric = 0.0;
331  }
332  end_loop = std::chrono::steady_clock::now();
333  }
334 
335  if (counter != 0)
336  {
337  TLOG(TLVL_ERROR) << "Did not receive all expected Fragments! Missing " << counter << " Fragments!";
338  exit(counter);
339  }
340 
341  return std::make_pair(totalSize, totalTime);
342 }
int runTest()
Run the test as configured.
Definition: TransferTest.cc:94
Sends Fragment objects using TransferInterface plugins. Uses Routing Tables if confgiured, otherwise will Round-Robin Fragments to the destinations.
Receives Fragment objects from one or more DataSenderManager instances using TransferInterface plugin...
Value that is to be returned when a Transfer plugin determines that no more data will be arriving...
The send operation completed successfully.
TransferTest(fhicl::ParameterSet psi)
TransferTest Constructor.
Definition: TransferTest.cc:14
For code clarity, things checking for successful receive should check retval &gt;= NO_RANK_INFO.
Value to be returned upon receive timeout.