2 #include "artdaq/DAQrate/SharedMemoryEventManager.hh"
8 #include "artdaq-core/Core/StatisticsCollection.hh"
9 #include "artdaq-core/Utilities/TraceLock.hh"
11 #define TRACE_NAME (app_name + "_SharedMemoryEventManager").c_str()
13 #define TLVL_BUFFER 40
14 #define TLVL_BUFLCK 41
16 #define build_key(seed) ((seed) + ((GetPartitionNumber() + 1) << 16) + (getpid() & 0xFFFF))
18 std::mutex artdaq::SharedMemoryEventManager::sequence_id_mutex_;
19 std::mutex artdaq::SharedMemoryEventManager::subrun_event_map_mutex_;
26 : SharedMemoryManager(pset.get<uint32_t>(
"shared_memory_key", build_key(0xEE000000)),
27 pset.get<size_t>(
"buffer_count"),
28 pset.has_key(
"max_event_size_bytes") ? pset.get<size_t>(
"max_event_size_bytes") : pset.get<size_t>(
"expected_fragments_per_event") * pset.get<size_t>(
"max_fragment_size_bytes"),
29 pset.get<size_t>(
"stale_buffer_timeout_usec", pset.get<size_t>(
"event_queue_wait_time", 5) * 1000000),
30 !pset.get<bool>(
"broadcast_mode", false))
31 , num_art_processes_(pset.get<size_t>(
"art_analyzer_count", 1))
32 , num_fragments_per_event_(pset.get<size_t>(
"expected_fragments_per_event"))
33 , queue_size_(pset.get<size_t>(
"buffer_count"))
35 , max_subrun_event_map_length_(pset.get<size_t>(
"max_subrun_lookup_table_size", 100))
36 , max_event_list_length_(pset.get<size_t>(
"max_event_list_length", 100))
37 , update_run_ids_(pset.get<bool>(
"update_run_ids_on_new_fragment", true))
38 , use_sequence_id_for_event_number_(pset.get<bool>(
"use_sequence_id_for_event_number", true))
39 , overwrite_mode_(!pset.get<bool>(
"use_art", true) || pset.get<bool>(
"overwrite_mode", false) || pset.get<bool>(
"broadcast_mode", false))
40 , init_fragment_count_(pset.get<size_t>(
"init_fragment_count", pset.get<bool>(
"send_init_fragments", true) ? 1 : 0))
42 , incomplete_event_report_interval_ms_(pset.get<int>(
"incomplete_event_report_interval_ms", -1))
43 , last_incomplete_event_report_time_(std::chrono::steady_clock::now())
44 , last_backpressure_report_time_(std::chrono::steady_clock::now())
45 , last_fragment_header_write_time_(std::chrono::steady_clock::now())
46 , broadcast_timeout_ms_(pset.get<int>(
"fragment_broadcast_timeout_ms", 3000))
48 , run_incomplete_event_count_(0)
49 , subrun_event_count_(0)
50 , subrun_incomplete_event_count_(0)
51 , oversize_fragment_count_(0)
52 , maximum_oversize_fragment_count_(pset.get<int>(
"maximum_oversize_fragment_count", 1))
54 , always_restart_art_(pset.get<bool>(
"restart_crashed_art_processes", true))
55 , manual_art_(pset.get<bool>(
"manual_art", false))
56 , current_art_pset_(art_pset)
57 , minimum_art_lifetime_s_(pset.get<double>(
"minimum_art_lifetime_s", 2.0))
58 , art_event_processing_time_us_(pset.get<size_t>(
"expected_art_event_processing_time_us", 1000000))
61 , broadcasts_(pset.get<uint32_t>(
"broadcast_shared_memory_key", build_key(0xBB000000)),
62 pset.get<size_t>(
"broadcast_buffer_count", 10),
63 pset.get<size_t>(
"broadcast_buffer_size", 0x100000),
64 pset.get<int>(
"expected_art_event_processing_time_us", 100000) * pset.get<size_t>(
"buffer_count"), false)
66 subrun_event_map_[0] = 1;
67 SetMinWriteSize(
sizeof(detail::RawEventHeader) +
sizeof(detail::RawFragmentHeader));
68 broadcasts_.SetMinWriteSize(
sizeof(detail::RawEventHeader) +
sizeof(detail::RawFragmentHeader));
70 if (!pset.get<
bool>(
"use_art",
true))
72 TLOG(TLVL_INFO) <<
"BEGIN SharedMemoryEventManager CONSTRUCTOR with use_art:false";
73 num_art_processes_ = 0;
77 TLOG(TLVL_INFO) <<
"BEGIN SharedMemoryEventManager CONSTRUCTOR with use_art:true";
78 TLOG(TLVL_TRACE) <<
"art_pset is " << art_pset.to_string();
80 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
82 if (overwrite_mode_ && num_art_processes_ > 0)
84 TLOG(TLVL_WARNING) <<
"Art is configured to run, but overwrite mode is enabled! Check your configuration if this in unintentional!";
86 else if (overwrite_mode_)
88 TLOG(TLVL_INFO) <<
"Overwrite Mode enabled, no configured art processes at startup";
91 for (
size_t ii = 0; ii < size(); ++ii)
93 buffer_writes_pending_[ii] = 0;
95 std::lock_guard<std::mutex> lk(buffer_mutexes_[ii]);
100 throw cet::exception(app_name +
"_SharedMemoryEventManager") <<
"Unable to attach to Shared Memory!";
103 TLOG(TLVL_TRACE) <<
"Setting Writer rank to " << my_rank;
105 TLOG(TLVL_DEBUG) <<
"Writer Rank is " << GetRank();
113 TLOG(TLVL_TRACE) <<
"END CONSTRUCTOR";
118 TLOG(TLVL_TRACE) <<
"DESTRUCTOR";
130 TLOG(TLVL_TRACE) <<
"Destructor END";
133 bool artdaq::SharedMemoryEventManager::AddFragment(detail::RawFragmentHeader frag,
void* dataPtr)
135 if (!running_)
return true;
137 TLOG(TLVL_TRACE) <<
"AddFragment(Header, ptr) BEGIN frag.word_count=" << frag.word_count
138 <<
", sequence_id=" << frag.sequence_id;
139 auto buffer = getBufferForSequenceID_(frag.sequence_id,
true, frag.timestamp);
140 TLOG(TLVL_TRACE) <<
"Using buffer " << buffer <<
" for seqid=" << frag.sequence_id;
147 TLOG(TLVL_ERROR) <<
"Dropping event because data taking has already passed this event number: " << frag.sequence_id;
151 auto hdr = getEventHeader_(buffer);
154 hdr->run_id = run_id_;
156 hdr->subrun_id = GetSubrunForSequenceID(frag.sequence_id);
158 TLOG(TLVL_TRACE) <<
"AddFragment before Write calls";
159 Write(buffer, dataPtr, frag.word_count *
sizeof(RawDataType));
161 TLOG(TLVL_TRACE) <<
"Checking for complete event";
162 auto fragmentCount = GetFragmentCount(frag.sequence_id);
163 hdr->is_complete = fragmentCount == num_fragments_per_event_ && buffer_writes_pending_[buffer] == 0;
164 TLOG(TLVL_TRACE) <<
"hdr->is_complete=" << std::boolalpha << hdr->is_complete
165 <<
", fragmentCount=" << fragmentCount
166 <<
", num_fragments_per_event=" << num_fragments_per_event_
167 <<
", buffer_writes_pending_[buffer]=" << buffer_writes_pending_[buffer];
169 complete_buffer_(buffer);
172 requests_->SendRequest(
true);
175 TLOG(TLVL_TRACE) <<
"AddFragment END";
176 statsHelper_.addSample(FRAGMENTS_RECEIVED_STAT_KEY, frag.word_count *
sizeof(RawDataType));
180 bool artdaq::SharedMemoryEventManager::AddFragment(FragmentPtr frag,
size_t timeout_usec, FragmentPtr& outfrag)
182 TLOG(TLVL_TRACE) <<
"AddFragment(FragmentPtr) BEGIN";
183 auto hdr = *
reinterpret_cast<detail::RawFragmentHeader*
>(frag->headerAddress());
184 auto data = frag->headerAddress();
185 auto start = std::chrono::steady_clock::now();
187 while (!sts && TimeUtils::GetElapsedTimeMicroseconds(start) < timeout_usec)
189 sts = AddFragment(hdr, data);
197 outfrag = std::move(frag);
199 TLOG(TLVL_TRACE) <<
"AddFragment(FragmentPtr) RETURN " << std::boolalpha << sts;
205 if (!running_)
return nullptr;
206 TLOG(14) <<
"WriteFragmentHeader BEGIN";
207 auto buffer = getBufferForSequenceID_(frag.sequence_id,
true, frag.timestamp);
211 if (buffer == -1 && !dropIfNoBuffersAvailable)
213 std::unique_lock<std::mutex> bp_lk(sequence_id_mutex_);
214 if (TimeUtils::GetElapsedTime(last_backpressure_report_time_) > 1.0)
216 TLOG(TLVL_WARNING) << app_name <<
": Back-pressure condition: All Shared Memory buffers have been full for " << TimeUtils::GetElapsedTime(last_fragment_header_write_time_) <<
" s!";
217 last_backpressure_report_time_ = std::chrono::steady_clock::now();
223 TLOG(TLVL_ERROR) <<
"Dropping fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" because data taking has already passed this event.";
227 TLOG(TLVL_INFO) <<
"Dropping fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" because there is no room in the queue and reliable mode is off.";
229 dropped_data_.emplace_back(frag, std::make_unique<Fragment>(frag.word_count - frag.num_words()));
230 auto it = dropped_data_.rbegin();
232 TLOG(TLVL_DEBUG + 3) <<
"Dropping fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" into "
233 <<
static_cast<void*
>(it->second->dataBegin()) <<
" sz=" << it->second->dataSizeBytes();
235 return it->second->dataBegin();
238 last_backpressure_report_time_ = std::chrono::steady_clock::now();
239 last_fragment_header_write_time_ = std::chrono::steady_clock::now();
241 buffer_writes_pending_[buffer]++;
245 metricMan->sendMetric(
"Input Fragment Rate", 1,
"Fragments/s", 1, MetricMode::Rate);
248 TLOG(TLVL_BUFLCK) <<
"WriteFragmentHeader: obtaining buffer_mutexes lock for buffer " << buffer;
250 std::unique_lock<std::mutex> lk(buffer_mutexes_.at(buffer));
252 TLOG(TLVL_BUFLCK) <<
"WriteFragmentHeader: obtained buffer_mutexes lock for buffer " << buffer;
254 auto hdrpos =
reinterpret_cast<RawDataType*
>(GetWritePos(buffer));
255 Write(buffer, &frag, frag.num_words() *
sizeof(RawDataType));
257 auto pos =
reinterpret_cast<RawDataType*
>(GetWritePos(buffer));
258 if (frag.word_count - frag.num_words() > 0)
260 auto sts = IncrementWritePos(buffer, (frag.word_count - frag.num_words()) *
sizeof(RawDataType));
264 reinterpret_cast<detail::RawFragmentHeader*
>(hdrpos)->word_count = frag.num_words();
265 reinterpret_cast<detail::RawFragmentHeader*
>(hdrpos)->type = Fragment::InvalidFragmentType;
266 TLOG(TLVL_ERROR) <<
"Dropping over-size fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" because there is no room in the current buffer for this Fragment! (Keeping header)";
267 dropped_data_.emplace_back(frag, std::make_unique<Fragment>(frag.word_count - frag.num_words()));
268 auto it = dropped_data_.rbegin();
270 oversize_fragment_count_++;
272 if (maximum_oversize_fragment_count_ > 0 && oversize_fragment_count_ >= maximum_oversize_fragment_count_)
274 throw cet::exception(
"Too many over-size Fragments received! Please adjust max_event_size_bytes or max_fragment_size_bytes!");
277 TLOG(TLVL_DEBUG + 3) <<
"Dropping over-size fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id
278 <<
" into " <<
static_cast<void*
>(it->second->dataBegin());
279 return it->second->dataBegin();
282 TLOG(14) <<
"WriteFragmentHeader END";
288 TLOG(TLVL_TRACE) <<
"DoneWritingFragment BEGIN";
290 auto buffer = getBufferForSequenceID_(frag.sequence_id,
false, frag.timestamp);
293 for (
auto it = dropped_data_.begin(); it != dropped_data_.end(); ++it)
295 if (it->first == frag)
297 dropped_data_.erase(it);
303 Detach(
true,
"SharedMemoryEventManager",
304 "getBufferForSequenceID_ returned -1 in DoneWritingFragment. This indicates a possible mismatch between expected Fragment count and the actual number of Fragments received.");
309 statsHelper_.addSample(FRAGMENTS_RECEIVED_STAT_KEY, frag.word_count *
sizeof(RawDataType));
311 TLOG(TLVL_BUFLCK) <<
"DoneWritingFragment: obtaining buffer_mutexes lock for buffer " << buffer;
313 std::unique_lock<std::mutex> lk(buffer_mutexes_.at(buffer));
315 TLOG(TLVL_BUFLCK) <<
"DoneWritingFragment: obtained buffer_mutexes lock for buffer " << buffer;
317 TLOG(TLVL_DEBUG) <<
"DoneWritingFragment: Received Fragment with sequence ID " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" (type " <<
static_cast<int>(frag.type) <<
")";
318 auto hdr = getEventHeader_(buffer);
321 hdr->run_id = run_id_;
323 hdr->subrun_id = GetSubrunForSequenceID(frag.sequence_id);
325 TLOG(TLVL_TRACE) <<
"DoneWritingFragment: Updating buffer touch time";
328 if (buffer_writes_pending_[buffer] > 1)
330 TLOG(TLVL_TRACE) <<
"Done writing fragment, but there's another writer. Not doing bookkeeping steps.";
331 buffer_writes_pending_[buffer]--;
334 TLOG(TLVL_TRACE) <<
"Done writing fragment, and no other writer. Doing bookkeeping steps.";
335 auto frag_count = GetFragmentCount(frag.sequence_id);
336 hdr->is_complete = frag_count >= num_fragments_per_event_;
338 if (frag_count > num_fragments_per_event_)
340 TLOG(TLVL_WARNING) <<
"DoneWritingFragment: This Event has more Fragments ( " << frag_count <<
" ) than specified in configuration ( " << num_fragments_per_event_ <<
" )!"
341 <<
" This is probably due to a misconfiguration and is *not* a reliable mode!";
344 TLOG(TLVL_TRACE) <<
"DoneWritingFragment: Received Fragment with sequence ID " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
", count/expected = " << frag_count <<
"/" << num_fragments_per_event_;
345 #if ART_SUPPORTS_DUPLICATE_EVENTS
346 if (!hdr->is_complete && released_incomplete_events_.count(frag.sequence_id))
348 hdr->is_complete = frag_count >= released_incomplete_events_[frag.sequence_id] && buffer_writes_pending_[buffer] == 0;
352 complete_buffer_(buffer);
355 buffer_writes_pending_[buffer]--;
359 requests_->SendRequest(
true);
361 TLOG(TLVL_TRACE) <<
"DoneWritingFragment END";
366 return GetFragmentCountInBuffer(getBufferForSequenceID_(seqID,
false), type);
375 ResetReadPos(buffer);
376 IncrementReadPos(buffer,
sizeof(detail::RawEventHeader));
380 while (MoreDataInBuffer(buffer))
382 auto fragHdr =
reinterpret_cast<artdaq::detail::RawFragmentHeader*
>(GetReadPos(buffer));
383 IncrementReadPos(buffer, fragHdr->word_count *
sizeof(RawDataType));
384 if (type != Fragment::InvalidFragmentType && fragHdr->type != type)
388 TLOG(TLVL_TRACE) <<
"Adding Fragment with size=" << fragHdr->word_count <<
" to Fragment count";
399 auto start_time = std::chrono::steady_clock::now();
401 TLOG(TLVL_INFO) <<
"Starting art process with config file " << config_file->getFileName();
407 char* filename =
new char[config_file->getFileName().length() + 1];
408 memcpy(filename, config_file->getFileName().c_str(), config_file->getFileName().length());
409 filename[config_file->getFileName().length()] =
'\0';
412 std::string debugArgS =
"--config-out=" + app_name +
"_art.out";
413 char* debugArg =
new char[debugArgS.length() + 1];
414 memcpy(debugArg, debugArgS.c_str(), debugArgS.length());
415 debugArg[debugArgS.length()] =
'\0';
417 std::vector<char*> args{
const_cast<char*
>(
"art"), const_cast<char*>(
"-c"), filename, debugArg, NULL};
419 std::vector<char*> args{
const_cast<char*
>(
"art"), const_cast<char*>(
"-c"), filename,
nullptr};
429 std::string envVarKey =
"ARTDAQ_PARTITION_NUMBER";
430 std::string envVarValue = std::to_string(GetPartitionNumber());
431 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
433 TLOG(TLVL_ERROR) <<
"Error setting environment variable \"" << envVarKey
434 <<
"\" in the environment of a child art process. "
435 <<
"This may result in incorrect TCP port number "
436 <<
"assignments or other issues, and data may "
437 <<
"not flow through the system correctly.";
439 envVarKey =
"ARTDAQ_APPLICATION_NAME";
440 envVarValue = app_name;
441 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
443 TLOG(TLVL_DEBUG) <<
"Error setting environment variable \"" << envVarKey
444 <<
"\" in the environment of a child art process. ";
446 envVarKey =
"ARTDAQ_RANK";
447 envVarValue = std::to_string(my_rank);
448 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
450 TLOG(TLVL_DEBUG) <<
"Error setting environment variable \"" << envVarKey
451 <<
"\" in the environment of a child art process. ";
454 execvp(
"art", &args[0]);
463 std::cout <<
"Please run the following command in a separate terminal:" << std::endl
464 <<
"art -c " << config_file->getFileName() << std::endl
465 <<
"Then, in a third terminal, execute: \"ps aux|grep [a]rt -c " << config_file->getFileName() <<
"\" and note the PID of the art process." << std::endl
466 <<
"Finally, return to this window and enter the pid: " << std::endl;
471 TLOG(TLVL_INFO) <<
"PID of new art process is " << pid;
473 std::unique_lock<std::mutex> lk(art_process_mutex_);
474 art_processes_.insert(pid);
477 auto sts = waitid(P_PID, pid, &status, WEXITED);
478 TLOG(TLVL_INFO) <<
"Removing PID " << pid <<
" from process list";
480 std::unique_lock<std::mutex> lk(art_process_mutex_);
481 art_processes_.erase(pid);
485 TLOG(TLVL_WARNING) <<
"Error occurred in waitid for art process " << pid <<
": " << errno <<
" (" << strerror(errno) <<
").";
487 else if (status.si_code == CLD_EXITED && status.si_status == 0)
489 TLOG(TLVL_INFO) <<
"art process " << pid <<
" exited normally, " << (restart_art_ ?
"restarting" :
"not restarting");
493 auto art_lifetime = TimeUtils::GetElapsedTime(start_time);
494 if (art_lifetime < minimum_art_lifetime_s_)
496 restart_art_ =
false;
499 auto exit_type =
"exited with status code";
500 switch (status.si_code)
504 exit_type =
"was killed with signal";
511 TLOG((restart_art_ ? TLVL_WARNING : TLVL_ERROR))
512 <<
"art process " << pid <<
" " << exit_type <<
" " << status.si_status
513 << (status.si_code == CLD_DUMPED ?
" (core dumped)" :
"")
514 <<
" after running for " << std::setprecision(2) << std::fixed << art_lifetime <<
" seconds, "
515 << (restart_art_ ?
"restarting" :
"not restarting");
517 }
while (restart_art_);
522 restart_art_ = always_restart_art_;
523 if (num_art_processes_ == 0)
527 for (
size_t ii = 0; ii < num_art_processes_; ++ii)
529 StartArtProcess(current_art_pset_);
535 static std::mutex start_art_mutex;
536 std::unique_lock<std::mutex> lk(start_art_mutex);
538 restart_art_ = always_restart_art_;
539 auto initialCount = GetAttachedCount();
540 auto startTime = std::chrono::steady_clock::now();
542 if (pset != current_art_pset_ || !current_art_config_file_)
544 current_art_pset_ = pset;
545 current_art_config_file_ = std::make_shared<art_config_file>(pset );
547 std::shared_ptr<std::atomic<pid_t>> pid(
new std::atomic<pid_t>(-1));
548 boost::thread thread([=] { RunArt(current_art_config_file_, pid); });
551 auto currentCount = GetAttachedCount() - initialCount;
552 while ((currentCount < 1 || *pid <= 0) && (TimeUtils::GetElapsedTime(startTime) < 5 || manual_art_))
555 currentCount = GetAttachedCount() - initialCount;
557 if ((currentCount < 1 || *pid <= 0) && manual_art_)
559 TLOG(TLVL_WARNING) <<
"Manually-started art process has not connected to shared memory or has bad PID: connected:" << currentCount <<
", PID:" << pid;
562 if (currentCount < 1 || *pid <= 0)
564 TLOG(TLVL_WARNING) <<
"art process has not started after 5s. Check art configuration!"
565 <<
" (pid=" << *pid <<
", attachedCount=" << currentCount <<
")";
569 TLOG(TLVL_INFO) << std::setw(4) << std::fixed <<
"art initialization took "
570 << TimeUtils::GetElapsedTime(startTime) <<
" seconds.";
577 restart_art_ =
false;
581 auto check_pids = [&](
bool print) {
582 std::unique_lock<std::mutex> lk(art_process_mutex_);
583 for (
auto pid = pids.begin(); pid != pids.end();)
589 TLOG(TLVL_WARNING) <<
"Removing an invalid PID (" << *pid
590 <<
") from the shutdown list.";
591 pid = pids.erase(pid);
593 else if (kill(*pid, 0) < 0)
595 pid = pids.erase(pid);
601 std::cout << *pid <<
" ";
607 auto count_pids = [&]() {
608 std::unique_lock<std::mutex> lk(art_process_mutex_);
612 if (count_pids() == 0)
614 TLOG(14) <<
"All art processes already exited, nothing to do.";
621 int graceful_wait_ms = art_event_processing_time_us_ * size() * 10 / 1000;
622 int gentle_wait_ms = art_event_processing_time_us_ * size() * 2 / 1000;
623 int int_wait_ms = art_event_processing_time_us_ * size() / 1000;
624 auto shutdown_start = std::chrono::steady_clock::now();
628 TLOG(TLVL_TRACE) <<
"Waiting up to " << graceful_wait_ms <<
" ms for all art processes to exit gracefully";
629 for (
int ii = 0; ii < graceful_wait_ms; ++ii)
634 if (count_pids() == 0)
636 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms.";
643 TLOG(TLVL_TRACE) <<
"Gently informing art processes that it is time to shut down";
644 std::unique_lock<std::mutex> lk(art_process_mutex_);
645 for (
auto pid : pids)
647 TLOG(TLVL_TRACE) <<
"Sending SIGQUIT to pid " << pid;
652 TLOG(TLVL_TRACE) <<
"Waiting up to " << gentle_wait_ms <<
" ms for all art processes to exit from SIGQUIT";
653 for (
int ii = 0; ii < gentle_wait_ms; ++ii)
658 if (count_pids() == 0)
660 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGQUIT).";
666 TLOG(TLVL_TRACE) <<
"Insisting that the art processes shut down";
667 std::unique_lock<std::mutex> lk(art_process_mutex_);
668 for (
auto pid : pids)
674 TLOG(TLVL_TRACE) <<
"Waiting up to " << int_wait_ms <<
" ms for all art processes to exit from SIGINT";
675 for (
int ii = 0; ii < int_wait_ms; ++ii)
681 if (count_pids() == 0)
683 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGINT).";
688 TLOG(TLVL_TRACE) <<
"Killing remaning art processes with extreme prejudice";
689 while (count_pids() > 0)
692 std::unique_lock<std::mutex> lk(art_process_mutex_);
693 kill(*pids.begin(), SIGKILL);
698 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGKILL).";
702 std::cout <<
"Please shut down all art processes, then hit return/enter" << std::endl;
703 while (count_pids() > 0)
705 std::cout <<
"The following PIDs are running: ";
707 std::cout << std::endl;
716 TLOG(TLVL_DEBUG) <<
"ReconfigureArt BEGIN";
717 if (restart_art_ || !always_restart_art_)
721 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
723 broadcasts_.MarkBufferEmpty(ii,
true);
727 newRun = run_id_ + 1;
730 if (art_pset != current_art_pset_ || !current_art_config_file_)
732 current_art_pset_ = art_pset;
733 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
736 if (n_art_processes != -1)
738 TLOG(TLVL_INFO) <<
"Setting number of art processes to " << n_art_processes;
739 num_art_processes_ = n_art_processes;
742 TLOG(TLVL_DEBUG) <<
"ReconfigureArt END";
748 init_fragments_.clear();
749 received_init_frags_.clear();
750 TLOG(TLVL_DEBUG) <<
"SharedMemoryEventManager::endOfData";
751 restart_art_ =
false;
753 auto start = std::chrono::steady_clock::now();
754 auto pendingWriteCount = std::accumulate(buffer_writes_pending_.begin(), buffer_writes_pending_.end(), 0, [](
int a,
auto& b) {
return a + b.second.load(); });
755 TLOG(TLVL_DEBUG) <<
"endOfData: Waiting for " << pendingWriteCount <<
" pending writes to complete";
756 while (pendingWriteCount > 0 && TimeUtils::GetElapsedTimeMicroseconds(start) < 1000000)
759 pendingWriteCount = std::accumulate(buffer_writes_pending_.begin(), buffer_writes_pending_.end(), 0, [](
int a,
auto& b) {
return a + b.second.load(); });
762 size_t initialStoreSize = GetIncompleteEventCount();
763 TLOG(TLVL_DEBUG) <<
"endOfData: Flushing " << initialStoreSize
764 <<
" stale events from the SharedMemoryEventManager.";
765 int counter = initialStoreSize;
766 while (!active_buffers_.empty() && counter > 0)
768 complete_buffer_(*active_buffers_.begin());
771 TLOG(TLVL_DEBUG) <<
"endOfData: Done flushing, there are now " << GetIncompleteEventCount()
772 <<
" stale events in the SharedMemoryEventManager.";
774 TLOG(TLVL_DEBUG) <<
"Waiting for " << (ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_))) <<
" outstanding buffers...";
775 start = std::chrono::steady_clock::now();
776 auto lastReadCount = ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_));
777 auto end_of_data_wait_us = art_event_processing_time_us_ * (lastReadCount > 0 ? lastReadCount : 1);
779 auto outstanding_buffer_wait_time = art_event_processing_time_us_ > 100000 ? 100000 : art_event_processing_time_us_;
782 while (lastReadCount > 0 && (end_of_data_wait_us == 0 || TimeUtils::GetElapsedTimeMicroseconds(start) < end_of_data_wait_us) && get_art_process_count_() > 0)
784 auto temp = ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_));
785 if (temp != lastReadCount)
787 TLOG(TLVL_TRACE) <<
"Waiting for " << temp <<
" outstanding buffers...";
788 lastReadCount = temp;
789 start = std::chrono::steady_clock::now();
791 if (lastReadCount > 0)
793 TLOG(19) <<
"About to sleep " << outstanding_buffer_wait_time <<
" us - lastReadCount=" << lastReadCount <<
" size=" << size() <<
" end_of_data_wait_us=" << end_of_data_wait_us;
794 usleep(outstanding_buffer_wait_time);
798 TLOG(TLVL_DEBUG) <<
"endOfData: After wait for outstanding buffers. Still outstanding: " << lastReadCount <<
", time waited: "
799 << TimeUtils::GetElapsedTime(start) <<
" s / " << (end_of_data_wait_us / 1000000.0) <<
" s, art process count: " << get_art_process_count_();
801 TLOG(TLVL_DEBUG) <<
"endOfData: Broadcasting EndOfData Fragment";
802 FragmentPtrs broadcast;
803 broadcast.emplace_back(Fragment::eodFrag(GetBufferCount()));
804 bool success = broadcastFragments_(broadcast);
807 TLOG(TLVL_DEBUG) <<
"endOfData: Clearing buffers to make room for EndOfData Fragment";
808 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
810 broadcasts_.MarkBufferEmpty(ii,
true);
812 broadcastFragments_(broadcast);
814 auto endOfDataProcessingStart = std::chrono::steady_clock::now();
815 while (get_art_process_count_() > 0)
817 TLOG(TLVL_DEBUG) <<
"There are " << get_art_process_count_() <<
" art processes remaining. Proceeding to shutdown.";
819 ShutdownArtProcesses(art_processes_);
821 TLOG(TLVL_DEBUG) <<
"It took " << TimeUtils::GetElapsedTime(endOfDataProcessingStart) <<
" s for all art processes to close after sending EndOfData Fragment";
823 ResetAttachedCount();
825 TLOG(TLVL_DEBUG) <<
"endOfData: Clearing buffers";
826 for (
size_t ii = 0; ii < size(); ++ii)
828 MarkBufferEmpty(ii,
true);
836 released_events_.clear();
837 released_incomplete_events_.clear();
839 TLOG(TLVL_DEBUG) <<
"endOfData END";
840 TLOG(TLVL_INFO) <<
"EndOfData Complete. There were " << GetLastSeenBufferID() <<
" buffers processed.";
847 init_fragments_.clear();
848 received_init_frags_.clear();
849 statsHelper_.resetStatistics();
850 TLOG(TLVL_TRACE) <<
"startRun: Clearing broadcast buffers";
851 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
853 broadcasts_.MarkBufferEmpty(ii,
true);
855 released_events_.clear();
856 released_incomplete_events_.clear();
860 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
861 subrun_event_map_.clear();
862 subrun_event_map_[0] = 1;
864 run_event_count_ = 0;
865 run_incomplete_event_count_ = 0;
866 requests_ = std::make_unique<RequestSender>(data_pset_);
869 requests_->SetRunNumber(static_cast<uint32_t>(run_id_));
870 requests_->SendRoutingToken(queue_size_, run_id_);
872 TLOG(TLVL_DEBUG) <<
"Starting run " << run_id_
873 <<
", max queue size = "
876 << GetLockedBufferCount();
879 metricMan->sendMetric(
"Run Number", static_cast<uint64_t>(run_id_),
"Run", 1, MetricMode::LastPoint | MetricMode::Persist);
885 TLOG(TLVL_INFO) <<
"Ending run " << run_id_;
886 FragmentPtr endOfRunFrag(
new Fragment(static_cast<size_t>(ceil(
sizeof(my_rank) /
887 static_cast<double>(
sizeof(Fragment::value_type))))));
889 TLOG(TLVL_DEBUG) <<
"Shutting down RequestSender";
890 requests_.reset(
nullptr);
892 TLOG(TLVL_DEBUG) <<
"Broadcasting EndOfRun Fragment";
893 endOfRunFrag->setSystemType(Fragment::EndOfRunFragmentType);
894 *endOfRunFrag->dataBegin() = my_rank;
895 FragmentPtrs broadcast;
896 broadcast.emplace_back(std::move(endOfRunFrag));
897 broadcastFragments_(broadcast);
899 TLOG(TLVL_INFO) <<
"Run " << run_id_ <<
" has ended. There were " << run_event_count_ <<
" events in this run.";
900 run_event_count_ = 0;
901 run_incomplete_event_count_ = 0;
902 oversize_fragment_count_ = 0;
904 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
905 subrun_event_map_.clear();
906 subrun_event_map_[0] = 1;
914 if (boundary == 0 || boundary == Fragment::InvalidSequenceID)
919 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
922 if (!subrun_event_map_.empty() && subrun_event_map_.rbegin()->second == subrun)
926 TLOG(TLVL_INFO) <<
"Will roll over to subrun " << subrun <<
" when I reach Sequence ID " << boundary;
927 subrun_event_map_[boundary] = subrun;
928 while (subrun_event_map_.size() > max_subrun_event_map_length_)
930 subrun_event_map_.erase(subrun_event_map_.begin());
936 Fragment::sequence_id_t seqID = 0;
939 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
940 for (
auto& it : subrun_event_map_)
942 if (it.first >= seqID)
944 seqID = it.first + 1;
946 if (it.second >= subrun)
948 subrun = it.second + 1;
952 rolloverSubrun(seqID, subrun);
959 metricMan->sendMetric(
"Incomplete Event Count", GetIncompleteEventCount(),
"events", 1, MetricMode::LastPoint);
960 metricMan->sendMetric(
"Pending Event Count", GetPendingEventCount(),
"events", 1, MetricMode::LastPoint);
963 if (incomplete_event_report_interval_ms_ > 0 && (GetLockedBufferCount() != 0u))
965 if (TimeUtils::GetElapsedTimeMilliseconds(last_incomplete_event_report_time_) < static_cast<size_t>(incomplete_event_report_interval_ms_))
970 last_incomplete_event_report_time_ = std::chrono::steady_clock::now();
971 std::ostringstream oss;
972 oss <<
"Incomplete Events (" << num_fragments_per_event_ <<
"): ";
973 for (
auto& ev : active_buffers_)
975 auto hdr = getEventHeader_(ev);
976 oss << hdr->sequence_id <<
" (" << GetFragmentCount(hdr->sequence_id) <<
"), ";
978 TLOG(TLVL_DEBUG) << oss.str();
982 bool artdaq::SharedMemoryEventManager::broadcastFragments_(FragmentPtrs& frags)
986 TLOG(TLVL_ERROR) <<
"Requested broadcast but no Fragments given!";
989 TLOG(TLVL_DEBUG) <<
"Broadcasting Fragments with seqID=" << frags.front()->sequenceID()
990 <<
", type " << detail::RawFragmentHeader::SystemTypeToString(frags.front()->type())
991 <<
", size=" << frags.front()->sizeBytes() <<
"B.";
992 auto buffer = broadcasts_.GetBufferForWriting(
false);
993 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: after getting buffer 1st buffer=" << buffer;
994 auto start_time = std::chrono::steady_clock::now();
995 while (buffer == -1 && TimeUtils::GetElapsedTimeMilliseconds(start_time) < static_cast<size_t>(broadcast_timeout_ms_))
998 buffer = broadcasts_.GetBufferForWriting(
false);
1000 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: after getting buffer w/timeout, buffer=" << buffer <<
", elapsed time=" << TimeUtils::GetElapsedTime(start_time) <<
" s.";
1003 TLOG(TLVL_ERROR) <<
"Broadcast of fragment type " << frags.front()->typeString() <<
" failed due to timeout waiting for buffer!";
1007 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: Filling in RawEventHeader";
1008 auto hdr =
reinterpret_cast<detail::RawEventHeader*
>(broadcasts_.GetBufferStart(buffer));
1009 hdr->run_id = run_id_;
1010 hdr->subrun_id = GetSubrunForSequenceID(frags.front()->sequenceID());
1011 hdr->sequence_id = frags.front()->sequenceID();
1012 hdr->is_complete =
true;
1013 broadcasts_.IncrementWritePos(buffer,
sizeof(detail::RawEventHeader));
1015 for (
auto& frag : frags)
1017 TLOG(TLVL_DEBUG) <<
"broadcastFragments_ before Write calls";
1018 if (frag->sequenceID() != hdr->sequence_id || frag->type() != frags.front()->type())
1020 TLOG(TLVL_WARNING) <<
"Not sending fragment because its SequenceID or Type disagrees with leading Fragment";
1023 broadcasts_.Write(buffer, frag->headerAddress(), frag->size() *
sizeof(RawDataType));
1026 TLOG(TLVL_DEBUG) <<
"broadcastFragments_ Marking buffer full";
1027 broadcasts_.MarkBufferFull(buffer, -1);
1028 TLOG(TLVL_DEBUG) <<
"broadcastFragment_s Complete";
1032 artdaq::detail::RawEventHeader* artdaq::SharedMemoryEventManager::getEventHeader_(
int buffer)
1034 return reinterpret_cast<detail::RawEventHeader*
>(GetBufferStart(buffer));
1039 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
1041 TLOG(TLVL_TRACE) <<
"GetSubrunForSequenceID BEGIN map size = " << subrun_event_map_.size();
1042 auto it = subrun_event_map_.begin();
1045 while (it->first <= seqID && it != subrun_event_map_.end())
1047 TLOG(TLVL_TRACE) <<
"Map has sequence ID " << it->first <<
", subrun " << it->second <<
" (looking for <= " << seqID <<
")";
1048 subrun = it->second;
1052 TLOG(TLVL_DEBUG) <<
"GetSubrunForSequenceID returning subrun " << subrun <<
" for sequence ID " << seqID;
1056 int artdaq::SharedMemoryEventManager::getBufferForSequenceID_(Fragment::sequence_id_t seqID,
bool create_new, Fragment::timestamp_t timestamp)
1058 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" BEGIN";
1059 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1061 TLOG(14) <<
"getBufferForSequenceID obtained sequence_id_mutex for seqid=" << seqID;
1063 auto buffers = GetBuffersOwnedByManager();
1064 for (
auto& buf : buffers)
1066 auto hdr = getEventHeader_(buf);
1067 if (hdr->sequence_id == seqID)
1069 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" returning " << buf;
1074 #if !ART_SUPPORTS_DUPLICATE_EVENTS
1075 if (released_incomplete_events_.count(seqID) != 0u)
1077 TLOG(TLVL_ERROR) <<
"Event " << seqID <<
" has already been marked \"Incomplete\" and sent to art!";
1080 if (released_events_.count(seqID) != 0u)
1082 TLOG(TLVL_ERROR) <<
"Event " << seqID <<
" has already been completed and released to art! Check configuration for inconsistent Fragment count per event!";
1092 check_pending_buffers_(lk);
1093 int new_buffer = GetBufferForWriting(
false);
1095 if (new_buffer == -1)
1097 new_buffer = GetBufferForWriting(overwrite_mode_);
1100 if (new_buffer == -1)
1104 TLOG(TLVL_BUFLCK) <<
"getBufferForSequenceID_: obtaining buffer_mutexes lock for buffer " << new_buffer;
1105 std::unique_lock<std::mutex> buffer_lk(buffer_mutexes_.at(new_buffer));
1106 TLOG(TLVL_BUFLCK) <<
"getBufferForSequenceID_: obtained buffer_mutexes lock for buffer " << new_buffer;
1107 auto hdr = getEventHeader_(new_buffer);
1108 hdr->is_complete =
false;
1109 hdr->run_id = run_id_;
1110 hdr->subrun_id = GetSubrunForSequenceID(seqID);
1111 hdr->event_id = use_sequence_id_for_event_number_ ?
static_cast<uint32_t
>(seqID) : static_cast<uint32_t>(timestamp);
1112 hdr->sequence_id = seqID;
1113 hdr->timestamp = timestamp;
1114 buffer_writes_pending_[new_buffer] = 0;
1115 IncrementWritePos(new_buffer,
sizeof(detail::RawEventHeader));
1116 SetMFIteration(
"Sequence ID " + std::to_string(seqID));
1118 TLOG(TLVL_BUFFER) <<
"getBufferForSequenceID placing " << new_buffer <<
" to active.";
1119 active_buffers_.insert(new_buffer);
1120 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1122 << ReadReadyCount() <<
","
1123 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1124 << WriteReadyCount(
false) <<
","
1125 << pending_buffers_.size() <<
","
1126 << active_buffers_.size() <<
")";
1130 if (timestamp != Fragment::InvalidTimestamp)
1132 requests_->AddRequest(seqID, timestamp);
1138 requests_->SendRequest();
1141 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" returning newly initialized buffer " << new_buffer;
1145 bool artdaq::SharedMemoryEventManager::hasFragments_(
int buffer)
1151 if (!CheckBuffer(buffer, BufferSemaphoreFlags::Writing))
1155 ResetReadPos(buffer);
1156 IncrementReadPos(buffer,
sizeof(detail::RawEventHeader));
1157 return MoreDataInBuffer(buffer);
1160 void artdaq::SharedMemoryEventManager::complete_buffer_(
int buffer)
1162 auto hdr = getEventHeader_(buffer);
1163 if (hdr->is_complete)
1165 TLOG(TLVL_DEBUG) <<
"complete_buffer_: This fragment completes event " << hdr->sequence_id <<
".";
1168 TLOG(TLVL_BUFFER) <<
"complete_buffer_ moving " << buffer <<
" from active to pending.";
1170 TLOG(TLVL_BUFLCK) <<
"complete_buffer_: obtaining sequence_id_mutex lock for seqid=" << hdr->sequence_id;
1171 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1172 TLOG(TLVL_BUFLCK) <<
"complete_buffer_: obtained sequence_id_mutex lock for seqid=" << hdr->sequence_id;
1173 active_buffers_.erase(buffer);
1174 pending_buffers_.insert(buffer);
1175 released_events_.insert(hdr->sequence_id);
1176 while (released_events_.size() > max_event_list_length_)
1178 released_events_.erase(released_events_.begin());
1181 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1183 << ReadReadyCount() <<
","
1184 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1185 << WriteReadyCount(
false) <<
","
1186 << pending_buffers_.size() <<
","
1187 << active_buffers_.size() <<
")";
1191 requests_->RemoveRequest(hdr->sequence_id);
1194 CheckPendingBuffers();
1197 bool artdaq::SharedMemoryEventManager::bufferComparator(
int bufA,
int bufB)
1199 return getEventHeader_(bufA)->sequence_id < getEventHeader_(bufB)->sequence_id;
1204 TLOG(TLVL_BUFLCK) <<
"CheckPendingBuffers: Obtaining sequence_id_mutex_";
1205 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1206 TLOG(TLVL_BUFLCK) <<
"CheckPendingBuffers: Obtained sequence_id_mutex_";
1207 check_pending_buffers_(lk);
1210 void artdaq::SharedMemoryEventManager::check_pending_buffers_(std::unique_lock<std::mutex>
const& lock)
1212 TLOG(14) <<
"check_pending_buffers_ BEGIN Locked=" << std::boolalpha << lock.owns_lock();
1214 auto buffers = GetBuffersOwnedByManager();
1215 for (
auto buf : buffers)
1217 if (ResetBuffer(buf) && (pending_buffers_.count(buf) == 0u))
1219 TLOG(15) <<
"check_pending_buffers_ Incomplete buffer detected, buf=" << buf <<
" active_bufers_.count(buf)=" << active_buffers_.count(buf) <<
" buffer_writes_pending_[buf]=" << buffer_writes_pending_[buf].load();
1220 auto hdr = getEventHeader_(buf);
1221 if ((active_buffers_.count(buf) != 0u) && buffer_writes_pending_[buf].load() == 0)
1225 requests_->RemoveRequest(hdr->sequence_id);
1227 TLOG(TLVL_BUFFER) <<
"check_pending_buffers_ moving buffer " << buf <<
" from active to pending";
1228 active_buffers_.erase(buf);
1229 pending_buffers_.insert(buf);
1230 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1232 << ReadReadyCount() <<
","
1233 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1234 << WriteReadyCount(
false) <<
","
1235 << pending_buffers_.size() <<
","
1236 << active_buffers_.size() <<
")";
1238 run_incomplete_event_count_++;
1241 metricMan->sendMetric(
"Incomplete Event Rate", 1,
"events/s", 3, MetricMode::Rate);
1243 if (released_incomplete_events_.count(hdr->sequence_id) == 0u)
1245 released_incomplete_events_[hdr->sequence_id] = num_fragments_per_event_ - GetFragmentCountInBuffer(buf);
1249 released_incomplete_events_[hdr->sequence_id] -= GetFragmentCountInBuffer(buf);
1251 TLOG(TLVL_WARNING) <<
"Active event " << hdr->sequence_id <<
" is stale. Scheduling release of incomplete event (missing " << released_incomplete_events_[hdr->sequence_id] <<
" Fragments) to art.";
1256 std::list<int> sorted_buffers(pending_buffers_.begin(), pending_buffers_.end());
1257 sorted_buffers.sort([
this](
int a,
int b) {
return bufferComparator(a, b); });
1260 double eventSize = 0;
1261 for (
auto buf : sorted_buffers)
1263 auto hdr = getEventHeader_(buf);
1264 auto thisEventSize = BufferDataSize(buf);
1266 TLOG(TLVL_DEBUG) <<
"Releasing event " << std::to_string(hdr->sequence_id) <<
" in buffer " << buf <<
" to art, "
1267 <<
"event_size=" << thisEventSize <<
", buffer_size=" << BufferSize();
1268 statsHelper_.addSample(EVENTS_RELEASED_STAT_KEY, thisEventSize);
1270 TLOG(TLVL_BUFFER) <<
"check_pending_buffers_ removing buffer " << buf <<
" moving from pending to full";
1271 MarkBufferFull(buf);
1274 eventSize += thisEventSize;
1275 pending_buffers_.erase(buf);
1276 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1278 << ReadReadyCount() <<
","
1279 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1280 << WriteReadyCount(
false) <<
","
1281 << pending_buffers_.size() <<
","
1282 << active_buffers_.size() <<
")";
1285 if (requests_ && requests_->RoutingTokenSendsEnabled())
1287 TLOG(TLVL_TRACE) <<
"Sent tokens: " << requests_->GetSentTokenCount() <<
", Event count: " << run_event_count_;
1288 auto outstanding_tokens = requests_->GetSentTokenCount() - run_event_count_;
1289 auto available_buffers = WriteReadyCount(overwrite_mode_);
1291 TLOG(TLVL_TRACE) <<
"check_pending_buffers_: outstanding_tokens: " << outstanding_tokens <<
", available_buffers: " << available_buffers
1292 <<
", tokens_to_send: " << available_buffers - outstanding_tokens;
1294 if (available_buffers > outstanding_tokens)
1296 auto tokens_to_send = available_buffers - outstanding_tokens;
1298 while (tokens_to_send > 0)
1300 TLOG(35) <<
"check_pending_buffers_: Sending a Routing Token";
1301 requests_->SendRoutingToken(1, run_id_);
1307 if (statsHelper_.readyToReport())
1309 std::string statString = buildStatisticsString_();
1310 TLOG(TLVL_INFO) << statString;
1315 TLOG(14) <<
"check_pending_buffers_: Sending Metrics";
1316 metricMan->sendMetric(
"Event Rate", counter,
"Events", 1, MetricMode::Rate);
1317 metricMan->sendMetric(
"Data Rate", eventSize,
"Bytes", 1, MetricMode::Rate);
1320 metricMan->sendMetric(
"Average Event Size", eventSize / counter,
"Bytes", 1, MetricMode::Average);
1323 metricMan->sendMetric(
"Events Released to art this run", run_event_count_,
"Events", 1, MetricMode::LastPoint);
1324 metricMan->sendMetric(
"Incomplete Events Released to art this run", run_incomplete_event_count_,
"Events", 1, MetricMode::LastPoint);
1327 metricMan->sendMetric(
"Tokens sent", requests_->GetSentTokenCount(),
"Tokens", 2, MetricMode::LastPoint);
1330 auto bufferReport = GetBufferReport();
1331 int full = 0, empty = 0, writing = 0, reading = 0;
1332 for (
auto& buf : bufferReport)
1336 case BufferSemaphoreFlags::Full:
1339 case BufferSemaphoreFlags::Empty:
1342 case BufferSemaphoreFlags::Writing:
1345 case BufferSemaphoreFlags::Reading:
1350 auto total = size();
1351 TLOG(15) <<
"Buffer usage: full=" << full <<
", empty=" << empty <<
", writing=" << writing <<
", reading=" << reading <<
", total=" << total;
1353 metricMan->sendMetric(
"Shared Memory Full Buffers", full,
"buffers", 2, MetricMode::LastPoint);
1354 metricMan->sendMetric(
"Shared Memory Available Buffers", empty,
"buffers", 2, MetricMode::LastPoint);
1355 metricMan->sendMetric(
"Shared Memory Pending Buffers", writing,
"buffers", 2, MetricMode::LastPoint);
1356 metricMan->sendMetric(
"Shared Memory Reading Buffers", reading,
"buffers", 2, MetricMode::LastPoint);
1359 metricMan->sendMetric(
"Shared Memory Full %", full * 100 / static_cast<double>(total),
"%", 2, MetricMode::LastPoint);
1360 metricMan->sendMetric(
"Shared Memory Available %", empty * 100 / static_cast<double>(total),
"%", 2, MetricMode::LastPoint);
1363 TLOG(14) <<
"check_pending_buffers_ END";
1366 void artdaq::SharedMemoryEventManager::send_init_frags_()
1368 if (init_fragments_.size() >= init_fragment_count_ && init_fragment_count_ > 0)
1370 TLOG(TLVL_INFO) <<
"Broadcasting " << init_fragments_.size() <<
" Init Fragment(s) to all art subprocesses...";
1373 std::string fileName =
"receiveInitMessage_" + std::to_string(my_rank) +
".bin";
1374 std::fstream ostream(fileName.c_str(), std::ios::out | std::ios::binary);
1375 ostream.write(reinterpret_cast<char*>(init_fragment_->dataBeginBytes()), init_fragment_->dataSizeBytes());
1379 broadcastFragments_(init_fragments_);
1380 TLOG(TLVL_TRACE) <<
"Init Fragment sent";
1382 else if (init_fragment_count_ > 0 && init_fragments_.size() == 0)
1384 TLOG(TLVL_WARNING) <<
"Cannot send Init Fragment(s) because I haven't yet received them! Set send_init_fragments to false or init_fragment_count to 0 if this process does not receive serialized art events to avoid potentially lengthy timeouts!";
1386 else if (init_fragment_count_ > 0)
1388 TLOG(TLVL_INFO) <<
"Cannot send Init Fragment(s) because I haven't yet received them (have " << init_fragments_.size() <<
" of " << init_fragment_count_ <<
")!";
1393 artdaq::FragmentPtrs begin_run_fragments_;
1394 begin_run_fragments_.emplace_back(
new artdaq::Fragment());
1395 begin_run_fragments_.back()->setSystemType(artdaq::Fragment::InitFragmentType);
1396 broadcastFragments_(begin_run_fragments_);
1402 static std::mutex init_fragment_mutex;
1403 std::lock_guard<std::mutex> lk(init_fragment_mutex);
1404 if (received_init_frags_.count(frag->fragmentID()) == 0)
1406 TLOG(TLVL_DEBUG) <<
"Received Init Fragment from rank " << frag->fragmentID() <<
". Now have " << init_fragments_.size() + 1 <<
" of " << init_fragment_count_;
1407 received_init_frags_.insert(frag->fragmentID());
1408 init_fragments_.push_back(std::move(frag));
1411 if (init_fragments_.size() >= init_fragment_count_)
1418 TLOG(TLVL_TRACE) <<
"Ignoring duplicate Init Fragment from rank " << frag->fragmentID();
1424 TLOG(TLVL_DEBUG) <<
"UpdateArtConfiguration BEGIN";
1425 if (art_pset != current_art_pset_ || !current_art_config_file_)
1427 current_art_pset_ = art_pset;
1428 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
1430 TLOG(TLVL_DEBUG) <<
"UpdateArtConfiguration END";
1433 std::string artdaq::SharedMemoryEventManager::buildStatisticsString_()
const
1435 std::ostringstream oss;
1436 oss << app_name <<
" statistics:" << std::endl;
1438 artdaq::MonitoredQuantityPtr mqPtr =
1439 artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(EVENTS_RELEASED_STAT_KEY);
1440 if (mqPtr.get() !=
nullptr)
1442 artdaq::MonitoredQuantityStats stats;
1443 mqPtr->getStats(stats);
1444 oss <<
" Event statistics: " << stats.recentSampleCount <<
" events released at " << stats.recentSampleRate
1445 <<
" events/sec, effective data rate = "
1446 << (stats.recentValueRate / 1024.0 / 1024.0)
1447 <<
" MB/sec, monitor window = " << stats.recentDuration
1448 <<
" sec, min::max event size = " << (stats.recentValueMin / 1024.0 / 1024.0)
1449 <<
"::" << (stats.recentValueMax / 1024.0 / 1024.0) <<
" MB" << std::endl;
1450 if (stats.recentSampleRate > 0.0)
1452 oss <<
" Average time per event: ";
1453 oss <<
" elapsed time = " << (1.0 / stats.recentSampleRate) <<
" sec" << std::endl;
1457 mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(FRAGMENTS_RECEIVED_STAT_KEY);
1458 if (mqPtr.get() !=
nullptr)
1460 artdaq::MonitoredQuantityStats stats;
1461 mqPtr->getStats(stats);
1462 oss <<
" Fragment statistics: " << stats.recentSampleCount <<
" fragments received at " << stats.recentSampleRate
1463 <<
" fragments/sec, effective data rate = "
1464 << (stats.recentValueRate / 1024.0 / 1024.0)
1465 <<
" MB/sec, monitor window = " << stats.recentDuration
1466 <<
" sec, min::max fragment size = " << (stats.recentValueMin / 1024.0 / 1024.0)
1467 <<
"::" << (stats.recentValueMax / 1024.0 / 1024.0) <<
" MB" << std::endl;
1470 oss <<
" Event counts: Run -- " << run_event_count_ <<
" Total, " << run_incomplete_event_count_ <<
" Incomplete."
1471 <<
" Subrun -- " << subrun_event_count_ <<
" Total, " << subrun_incomplete_event_count_ <<
" Incomplete. "
void addMonitoredQuantityName(std::string const &statKey)
Add a MonitoredQuantity name to the list.
void AddInitFragment(FragmentPtr &frag)
Set the stored Init fragment, if one has not yet been set already.
void ShutdownArtProcesses(std::set< pid_t > &pids)
Shutdown a set of art processes.
virtual ~SharedMemoryEventManager()
SharedMemoryEventManager Destructor.
Fragment::sequence_id_t sequence_id_t
Copy Fragment::sequence_id_t into local scope.
void ReconfigureArt(fhicl::ParameterSet art_pset, run_id_t newRun=0, int n_art_processes=-1)
Restart all art processes, using the given fhicl code to configure the new art processes.
void RunArt(const std::shared_ptr< art_config_file > &config_file, const std::shared_ptr< std::atomic< pid_t >> &pid_out)
Run an art instance, recording the return codes and restarting it until the end flag is raised...
pid_t StartArtProcess(fhicl::ParameterSet pset)
Start one art process.
RawDataType * WriteFragmentHeader(detail::RawFragmentHeader frag, bool dropIfNoBuffersAvailable=false)
Get a pointer to a reserved memory area for the given Fragment header.
RawEvent::run_id_t run_id_t
Copy RawEvent::run_id_t into local scope.
size_t GetFragmentCount(Fragment::sequence_id_t seqID, Fragment::type_t type=Fragment::InvalidFragmentType)
Get the count of Fragments of a given type in an event.
void UpdateArtConfiguration(fhicl::ParameterSet art_pset)
Updates the internally-stored copy of the art configuration.
void StartArt()
Start all the art processes.
subrun_id_t GetSubrunForSequenceID(Fragment::sequence_id_t seqID)
Get the subrun number that the given Sequence ID would be assigned to.
SharedMemoryEventManager(const fhicl::ParameterSet &pset, fhicl::ParameterSet art_pset)
SharedMemoryEventManager Constructor.
void rolloverSubrun()
Add a subrun transition immediately after the highest currently define sequence ID.
void sendMetrics()
Send metrics to the MetricManager, if one has been instantiated in the application.
static const std::string FRAGMENTS_RECEIVED_STAT_KEY
Key for Fragments Received MonitoredQuantity.
bool createCollectors(fhicl::ParameterSet const &pset, int defaultReportIntervalFragments, double defaultReportIntervalSeconds, double defaultMonitorWindow, std::string const &primaryStatKeyName)
Create MonitoredQuantity objects for all names registered with the StatisticsHelper.
bool endRun()
Send an EndOfRunFragment to the art thread.
void DoneWritingFragment(detail::RawFragmentHeader frag)
Used to indicate that the given Fragment is now completely in the buffer. Will check for buffer compl...
static const std::string EVENTS_RELEASED_STAT_KEY
Key for the Events Released MonitoredQuantity.
bool endOfData()
Indicate that the end of input has been reached to the art processes.
RawEvent::subrun_id_t subrun_id_t
Copy RawEvent::subrun_id_t into local scope.
void startRun(run_id_t runID)
Start a Run.
size_t GetFragmentCountInBuffer(int buffer, Fragment::type_t type=Fragment::InvalidFragmentType)
Get the count of Fragments of a given type in a buffer.
void CheckPendingBuffers()
Check for buffers which are ready to be marked incomplete and released to art and issue tokens for an...