2 #include "artdaq/DAQrate/SharedMemoryEventManager.hh"
6 #include "artdaq-core/Core/StatisticsCollection.hh"
7 #include "artdaq-core/Utilities/TraceLock.hh"
9 #define TRACE_NAME (app_name + "_SharedMemoryEventManager").c_str()
11 #define TLVL_BUFFER 40
12 #define TLVL_BUFLCK 41
14 #define build_key(seed) ((seed) + ((GetPartitionNumber() + 1) << 16) + (getpid() & 0xFFFF))
16 std::mutex artdaq::SharedMemoryEventManager::sequence_id_mutex_;
17 std::mutex artdaq::SharedMemoryEventManager::subrun_event_map_mutex_;
24 : SharedMemoryManager(pset.get<uint32_t>(
"shared_memory_key", build_key(0xEE000000)),
25 pset.get<size_t>(
"buffer_count"),
26 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"),
27 pset.get<size_t>(
"stale_buffer_timeout_usec", pset.get<size_t>(
"event_queue_wait_time", 5) * 1000000),
28 !pset.get<bool>(
"broadcast_mode", false))
29 , num_art_processes_(pset.get<size_t>(
"art_analyzer_count", 1))
30 , num_fragments_per_event_(pset.get<size_t>(
"expected_fragments_per_event"))
31 , queue_size_(pset.get<size_t>(
"buffer_count"))
33 , max_subrun_event_map_length_(pset.get<size_t>(
"max_subrun_lookup_table_size", 100))
34 , max_event_list_length_(pset.get<size_t>(
"max_event_list_length", 100))
35 , update_run_ids_(pset.get<bool>(
"update_run_ids_on_new_fragment", true))
36 , use_sequence_id_for_event_number_(pset.get<bool>(
"use_sequence_id_for_event_number", true))
37 , overwrite_mode_(!pset.get<bool>(
"use_art", true) || pset.get<bool>(
"overwrite_mode", false) || pset.get<bool>(
"broadcast_mode", false))
38 , init_fragment_count_(pset.get<size_t>(
"init_fragment_count", pset.get<bool>(
"send_init_fragments", true) ? 1 : 0))
40 , incomplete_event_report_interval_ms_(pset.get<int>(
"incomplete_event_report_interval_ms", -1))
41 , last_incomplete_event_report_time_(std::chrono::steady_clock::now())
42 , last_backpressure_report_time_(std::chrono::steady_clock::now())
43 , last_fragment_header_write_time_(std::chrono::steady_clock::now())
44 , broadcast_timeout_ms_(pset.get<int>(
"fragment_broadcast_timeout_ms", 3000))
46 , run_incomplete_event_count_(0)
47 , subrun_event_count_(0)
48 , subrun_incomplete_event_count_(0)
49 , oversize_fragment_count_(0)
50 , maximum_oversize_fragment_count_(pset.get<int>(
"maximum_oversize_fragment_count", 1))
52 , always_restart_art_(pset.get<bool>(
"restart_crashed_art_processes", true))
53 , manual_art_(pset.get<bool>(
"manual_art", false))
54 , current_art_pset_(art_pset)
55 , minimum_art_lifetime_s_(pset.get<double>(
"minimum_art_lifetime_s", 2.0))
56 , art_event_processing_time_us_(pset.get<size_t>(
"expected_art_event_processing_time_us", 1000000))
59 , broadcasts_(pset.get<uint32_t>(
"broadcast_shared_memory_key", build_key(0xBB000000)),
60 pset.get<size_t>(
"broadcast_buffer_count", 10),
61 pset.get<size_t>(
"broadcast_buffer_size", 0x100000),
62 pset.get<int>(
"expected_art_event_processing_time_us", 100000) * pset.get<size_t>(
"buffer_count"), false)
64 subrun_event_map_[0] = 1;
65 SetMinWriteSize(
sizeof(detail::RawEventHeader) +
sizeof(detail::RawFragmentHeader));
66 broadcasts_.SetMinWriteSize(
sizeof(detail::RawEventHeader) +
sizeof(detail::RawFragmentHeader));
68 if (!pset.get<
bool>(
"use_art",
true))
70 TLOG(TLVL_INFO) <<
"BEGIN SharedMemoryEventManager CONSTRUCTOR with use_art:false";
71 num_art_processes_ = 0;
75 TLOG(TLVL_INFO) <<
"BEGIN SharedMemoryEventManager CONSTRUCTOR with use_art:true";
76 TLOG(TLVL_TRACE) <<
"art_pset is " << art_pset.to_string();
78 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
80 if (overwrite_mode_ && num_art_processes_ > 0)
82 TLOG(TLVL_WARNING) <<
"Art is configured to run, but overwrite mode is enabled! Check your configuration if this in unintentional!";
84 else if (overwrite_mode_)
86 TLOG(TLVL_INFO) <<
"Overwrite Mode enabled, no configured art processes at startup";
89 for (
size_t ii = 0; ii < size(); ++ii)
91 buffer_writes_pending_[ii] = 0;
96 throw cet::exception(app_name +
"_SharedMemoryEventManager") <<
"Unable to attach to Shared Memory!";
99 TLOG(TLVL_TRACE) <<
"Setting Writer rank to " << my_rank;
101 TLOG(TLVL_DEBUG) <<
"Writer Rank is " << GetRank();
109 TLOG(TLVL_TRACE) <<
"END CONSTRUCTOR";
114 TLOG(TLVL_TRACE) <<
"DESTRUCTOR";
126 TLOG(TLVL_TRACE) <<
"Destructor END";
129 bool artdaq::SharedMemoryEventManager::AddFragment(detail::RawFragmentHeader frag,
void* dataPtr)
131 TLOG(TLVL_TRACE) <<
"AddFragment(Header, ptr) BEGIN frag.word_count=" << frag.word_count
132 <<
", sequence_id=" << frag.sequence_id;
133 auto buffer = getBufferForSequenceID_(frag.sequence_id,
true, frag.timestamp);
134 TLOG(TLVL_TRACE) <<
"Using buffer " << buffer <<
" for seqid=" << frag.sequence_id;
141 TLOG(TLVL_ERROR) <<
"Dropping event because data taking has already passed this event number: " << frag.sequence_id;
145 auto hdr = getEventHeader_(buffer);
148 hdr->run_id = run_id_;
150 hdr->subrun_id = GetSubrunForSequenceID(frag.sequence_id);
152 TLOG(TLVL_TRACE) <<
"AddFragment before Write calls";
153 Write(buffer, dataPtr, frag.word_count *
sizeof(RawDataType));
155 TLOG(TLVL_TRACE) <<
"Checking for complete event";
156 auto fragmentCount = GetFragmentCount(frag.sequence_id);
157 hdr->is_complete = fragmentCount == num_fragments_per_event_ && buffer_writes_pending_[buffer] == 0;
158 TLOG(TLVL_TRACE) <<
"hdr->is_complete=" << std::boolalpha << hdr->is_complete
159 <<
", fragmentCount=" << fragmentCount
160 <<
", num_fragments_per_event=" << num_fragments_per_event_
161 <<
", buffer_writes_pending_[buffer]=" << buffer_writes_pending_[buffer];
163 complete_buffer_(buffer);
166 requests_->SendRequest(
true);
169 TLOG(TLVL_TRACE) <<
"AddFragment END";
170 statsHelper_.addSample(FRAGMENTS_RECEIVED_STAT_KEY, frag.word_count *
sizeof(RawDataType));
174 bool artdaq::SharedMemoryEventManager::AddFragment(FragmentPtr frag,
size_t timeout_usec, FragmentPtr& outfrag)
176 TLOG(TLVL_TRACE) <<
"AddFragment(FragmentPtr) BEGIN";
177 auto hdr = *
reinterpret_cast<detail::RawFragmentHeader*
>(frag->headerAddress());
178 auto data = frag->headerAddress();
179 auto start = std::chrono::steady_clock::now();
181 while (!sts && TimeUtils::GetElapsedTimeMicroseconds(start) < timeout_usec)
183 sts = AddFragment(hdr, data);
191 outfrag = std::move(frag);
193 TLOG(TLVL_TRACE) <<
"AddFragment(FragmentPtr) RETURN " << std::boolalpha << sts;
199 TLOG(14) <<
"WriteFragmentHeader BEGIN";
200 auto buffer = getBufferForSequenceID_(frag.sequence_id,
true, frag.timestamp);
204 if (buffer == -1 && !dropIfNoBuffersAvailable)
206 std::unique_lock<std::mutex> bp_lk(sequence_id_mutex_);
207 if (TimeUtils::GetElapsedTime(last_backpressure_report_time_) > 1.0)
209 TLOG(TLVL_WARNING) << app_name <<
": Back-pressure condition: All Shared Memory buffers have been full for " << TimeUtils::GetElapsedTime(last_fragment_header_write_time_) <<
" s!";
210 last_backpressure_report_time_ = std::chrono::steady_clock::now();
216 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.";
220 TLOG(TLVL_ERROR) <<
"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.";
222 dropped_data_[frag.fragment_id] = std::make_unique<Fragment>(frag.word_count - frag.num_words());
224 TLOG(6) <<
"Dropping fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" into "
225 <<
static_cast<void*
>(dropped_data_[frag.fragment_id]->dataBegin()) <<
" sz=" << dropped_data_[frag.fragment_id]->dataSizeBytes();
227 return dropped_data_[frag.fragment_id]->dataBegin();
230 last_backpressure_report_time_ = std::chrono::steady_clock::now();
231 last_fragment_header_write_time_ = std::chrono::steady_clock::now();
233 buffer_writes_pending_[buffer]++;
237 metricMan->sendMetric(
"Input Fragment Rate", 1,
"Fragments/s", 1, MetricMode::Rate);
240 TLOG(TLVL_BUFLCK) <<
"WriteFragmentHeader: obtaining buffer_mutexes lock for buffer " << buffer;
242 std::unique_lock<std::mutex> lk(buffer_mutexes_[buffer]);
244 TLOG(TLVL_BUFLCK) <<
"WriteFragmentHeader: obtained buffer_mutexes lock for buffer " << buffer;
247 auto hdrpos =
reinterpret_cast<RawDataType*
>(GetWritePos(buffer));
248 Write(buffer, &frag, frag.num_words() *
sizeof(RawDataType));
250 auto pos =
reinterpret_cast<RawDataType*
>(GetWritePos(buffer));
251 if (frag.word_count - frag.num_words() > 0)
253 auto sts = IncrementWritePos(buffer, (frag.word_count - frag.num_words()) *
sizeof(RawDataType));
257 reinterpret_cast<detail::RawFragmentHeader*
>(hdrpos)->word_count = frag.num_words();
258 reinterpret_cast<detail::RawFragmentHeader*
>(hdrpos)->type = Fragment::InvalidFragmentType;
259 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)";
260 dropped_data_[frag.fragment_id] = std::make_unique<Fragment>(frag.word_count - frag.num_words());
262 oversize_fragment_count_++;
264 if (maximum_oversize_fragment_count_ > 0 && oversize_fragment_count_ >= maximum_oversize_fragment_count_)
266 throw cet::exception(
"Too many over-size Fragments received! Please adjust max_event_size_bytes or max_fragment_size_bytes!");
269 TLOG(6) <<
"Dropping over-size fragment with sequence id " << frag.sequence_id <<
" and fragment id " << frag.fragment_id
270 <<
" into " <<
static_cast<void*
>(dropped_data_[frag.fragment_id]->dataBegin());
271 return dropped_data_[frag.fragment_id]->dataBegin();
274 TLOG(14) <<
"WriteFragmentHeader END";
280 TLOG(TLVL_TRACE) <<
"DoneWritingFragment BEGIN";
281 auto buffer = getBufferForSequenceID_(frag.sequence_id,
false, frag.timestamp);
284 Detach(
true,
"SharedMemoryEventManager",
285 "getBufferForSequenceID_ returned -1 in DoneWritingFragment. This indicates a possible mismatch between expected Fragment count and the actual number of Fragments received.");
287 if (buffer == -2) {
return; }
289 statsHelper_.addSample(FRAGMENTS_RECEIVED_STAT_KEY, frag.word_count *
sizeof(RawDataType));
291 TLOG(TLVL_BUFLCK) <<
"DoneWritingFragment: obtaining buffer_mutexes lock for buffer " << buffer;
293 std::unique_lock<std::mutex> lk(buffer_mutexes_[buffer]);
295 TLOG(TLVL_BUFLCK) <<
"DoneWritingFragment: obtained buffer_mutexes lock for buffer " << buffer;
299 TLOG(TLVL_DEBUG) <<
"DoneWritingFragment: Received Fragment with sequence ID " << frag.sequence_id <<
" and fragment id " << frag.fragment_id <<
" (type " <<
static_cast<int>(frag.type) <<
")";
300 auto hdr = getEventHeader_(buffer);
303 hdr->run_id = run_id_;
305 hdr->subrun_id = GetSubrunForSequenceID(frag.sequence_id);
307 TLOG(TLVL_TRACE) <<
"DoneWritingFragment: Updating buffer touch time";
310 buffer_writes_pending_[buffer]--;
311 if (buffer_writes_pending_[buffer] != 0)
313 TLOG(TLVL_TRACE) <<
"Done writing fragment, but there's another writer. Not doing bookkeeping steps.";
316 TLOG(TLVL_TRACE) <<
"Done writing fragment, and no other writer. Doing bookkeeping steps.";
317 auto frag_count = GetFragmentCount(frag.sequence_id);
318 hdr->is_complete = frag_count >= num_fragments_per_event_;
320 if (frag_count > num_fragments_per_event_)
322 TLOG(TLVL_WARNING) <<
"DoneWritingFragment: This Event has more Fragments ( " << frag_count <<
" ) than specified in configuration ( " << num_fragments_per_event_ <<
" )!"
323 <<
" This is probably due to a misconfiguration and is *not* a reliable mode!";
326 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_;
327 #if ART_SUPPORTS_DUPLICATE_EVENTS
328 if (!hdr->is_complete && released_incomplete_events_.count(frag.sequence_id))
330 hdr->is_complete = frag_count >= released_incomplete_events_[frag.sequence_id] && buffer_writes_pending_[buffer] == 0;
335 complete_buffer_(buffer);
338 requests_->SendRequest(
true);
340 TLOG(TLVL_TRACE) <<
"DoneWritingFragment END";
345 return GetFragmentCountInBuffer(getBufferForSequenceID_(seqID,
false), type);
354 ResetReadPos(buffer);
355 IncrementReadPos(buffer,
sizeof(detail::RawEventHeader));
359 while (MoreDataInBuffer(buffer))
361 auto fragHdr =
reinterpret_cast<artdaq::detail::RawFragmentHeader*
>(GetReadPos(buffer));
362 IncrementReadPos(buffer, fragHdr->word_count *
sizeof(RawDataType));
363 if (type != Fragment::InvalidFragmentType && fragHdr->type != type)
367 TLOG(TLVL_TRACE) <<
"Adding Fragment with size=" << fragHdr->word_count <<
" to Fragment count";
378 auto start_time = std::chrono::steady_clock::now();
380 TLOG(TLVL_INFO) <<
"Starting art process with config file " << config_file->getFileName();
386 char* filename =
new char[config_file->getFileName().length() + 1];
387 memcpy(filename, config_file->getFileName().c_str(), config_file->getFileName().length());
388 filename[config_file->getFileName().length()] =
'\0';
391 std::string debugArgS =
"--config-out=" + app_name +
"_art.out";
392 char* debugArg =
new char[debugArgS.length() + 1];
393 memcpy(debugArg, debugArgS.c_str(), debugArgS.length());
394 debugArg[debugArgS.length()] =
'\0';
396 std::vector<char*> args{
const_cast<char*
>(
"art"), const_cast<char*>(
"-c"), filename, debugArg, NULL};
398 std::vector<char*> args{
const_cast<char*
>(
"art"), const_cast<char*>(
"-c"), filename,
nullptr};
408 std::string envVarKey =
"ARTDAQ_PARTITION_NUMBER";
409 std::string envVarValue = std::to_string(GetPartitionNumber());
410 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
412 TLOG(TLVL_ERROR) <<
"Error setting environment variable \"" << envVarKey
413 <<
"\" in the environment of a child art process. "
414 <<
"This may result in incorrect TCP port number "
415 <<
"assignments or other issues, and data may "
416 <<
"not flow through the system correctly.";
418 envVarKey =
"ARTDAQ_APPLICATION_NAME";
419 envVarValue = app_name;
420 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
422 TLOG(TLVL_DEBUG) <<
"Error setting environment variable \"" << envVarKey
423 <<
"\" in the environment of a child art process. ";
425 envVarKey =
"ARTDAQ_RANK";
426 envVarValue = std::to_string(my_rank);
427 if (setenv(envVarKey.c_str(), envVarValue.c_str(), 1) != 0)
429 TLOG(TLVL_DEBUG) <<
"Error setting environment variable \"" << envVarKey
430 <<
"\" in the environment of a child art process. ";
433 execvp(
"art", &args[0]);
442 std::cout <<
"Please run the following command in a separate terminal:" << std::endl
443 <<
"art -c " << config_file->getFileName() << std::endl
444 <<
"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
445 <<
"Finally, return to this window and enter the pid: " << std::endl;
450 TLOG(TLVL_INFO) <<
"PID of new art process is " << pid;
452 std::unique_lock<std::mutex> lk(art_process_mutex_);
453 art_processes_.insert(pid);
456 auto sts = waitid(P_PID, pid, &status, WEXITED);
457 TLOG(TLVL_INFO) <<
"Removing PID " << pid <<
" from process list";
459 std::unique_lock<std::mutex> lk(art_process_mutex_);
460 art_processes_.erase(pid);
464 TLOG(TLVL_WARNING) <<
"Error occurred in waitid for art process " << pid <<
": " << errno <<
" (" << strerror(errno) <<
").";
466 else if (status.si_code == CLD_EXITED && status.si_status == 0)
468 TLOG(TLVL_INFO) <<
"art process " << pid <<
" exited normally, " << (restart_art_ ?
"restarting" :
"not restarting");
472 auto art_lifetime = TimeUtils::GetElapsedTime(start_time);
473 if (art_lifetime < minimum_art_lifetime_s_)
475 restart_art_ =
false;
478 auto exit_type =
"exited with status code";
479 switch (status.si_code)
483 exit_type =
"was killed with signal";
490 TLOG((restart_art_ ? TLVL_WARNING : TLVL_ERROR))
491 <<
"art process " << pid <<
" " << exit_type <<
" " << status.si_status
492 << (status.si_code == CLD_DUMPED ?
" (core dumped)" :
"")
493 <<
" after running for " << std::setprecision(2) << std::fixed << art_lifetime <<
" seconds, "
494 << (restart_art_ ?
"restarting" :
"not restarting");
496 }
while (restart_art_);
501 restart_art_ = always_restart_art_;
502 if (num_art_processes_ == 0)
506 for (
size_t ii = 0; ii < num_art_processes_; ++ii)
508 StartArtProcess(current_art_pset_);
514 static std::mutex start_art_mutex;
515 std::unique_lock<std::mutex> lk(start_art_mutex);
517 restart_art_ = always_restart_art_;
518 auto initialCount = GetAttachedCount();
519 auto startTime = std::chrono::steady_clock::now();
521 if (pset != current_art_pset_ || !current_art_config_file_)
523 current_art_pset_ = pset;
524 current_art_config_file_ = std::make_shared<art_config_file>(pset );
526 std::shared_ptr<std::atomic<pid_t>> pid(
new std::atomic<pid_t>(-1));
527 boost::thread thread([=] { RunArt(current_art_config_file_, pid); });
530 auto currentCount = GetAttachedCount() - initialCount;
531 while ((currentCount < 1 || *pid <= 0) && (TimeUtils::GetElapsedTime(startTime) < 5 || manual_art_))
534 currentCount = GetAttachedCount() - initialCount;
536 if ((currentCount < 1 || *pid <= 0) && manual_art_)
538 TLOG(TLVL_WARNING) <<
"Manually-started art process has not connected to shared memory or has bad PID: connected:" << currentCount <<
", PID:" << pid;
541 if (currentCount < 1 || *pid <= 0)
543 TLOG(TLVL_WARNING) <<
"art process has not started after 5s. Check art configuration!"
544 <<
" (pid=" << *pid <<
", attachedCount=" << currentCount <<
")";
548 TLOG(TLVL_INFO) << std::setw(4) << std::fixed <<
"art initialization took "
549 << TimeUtils::GetElapsedTime(startTime) <<
" seconds.";
556 restart_art_ =
false;
560 auto check_pids = [&](
bool print) {
561 std::unique_lock<std::mutex> lk(art_process_mutex_);
562 for (
auto pid = pids.begin(); pid != pids.end();)
568 TLOG(TLVL_WARNING) <<
"Removing an invalid PID (" << *pid
569 <<
") from the shutdown list.";
570 pid = pids.erase(pid);
572 else if (kill(*pid, 0) < 0)
574 pid = pids.erase(pid);
580 std::cout << *pid <<
" ";
586 auto count_pids = [&]() {
587 std::unique_lock<std::mutex> lk(art_process_mutex_);
591 if (count_pids() == 0)
593 TLOG(14) <<
"All art processes already exited, nothing to do.";
600 int graceful_wait_ms = art_event_processing_time_us_ * size() * 10 / 1000;
601 int gentle_wait_ms = art_event_processing_time_us_ * size() * 2 / 1000;
602 int int_wait_ms = art_event_processing_time_us_ * size() / 1000;
603 auto shutdown_start = std::chrono::steady_clock::now();
605 TLOG(TLVL_TRACE) <<
"Waiting up to " << graceful_wait_ms <<
" ms for all art processes to exit gracefully";
606 for (
int ii = 0; ii < graceful_wait_ms; ++ii)
611 if (count_pids() == 0)
613 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms.";
619 TLOG(TLVL_TRACE) <<
"Gently informing art processes that it is time to shut down";
620 std::unique_lock<std::mutex> lk(art_process_mutex_);
621 for (
auto pid : pids)
623 TLOG(TLVL_TRACE) <<
"Sending SIGQUIT to pid " << pid;
628 TLOG(TLVL_TRACE) <<
"Waiting up to " << gentle_wait_ms <<
" ms for all art processes to exit from SIGQUIT";
629 for (
int ii = 0; ii < gentle_wait_ms; ++ii)
634 if (count_pids() == 0)
636 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGQUIT).";
642 TLOG(TLVL_TRACE) <<
"Insisting that the art processes shut down";
643 std::unique_lock<std::mutex> lk(art_process_mutex_);
644 for (
auto pid : pids)
650 TLOG(TLVL_TRACE) <<
"Waiting up to " << int_wait_ms <<
" ms for all art processes to exit from SIGINT";
651 for (
int ii = 0; ii < int_wait_ms; ++ii)
657 if (count_pids() == 0)
659 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGINT).";
664 TLOG(TLVL_TRACE) <<
"Killing remaning art processes with extreme prejudice";
665 while (count_pids() > 0)
668 std::unique_lock<std::mutex> lk(art_process_mutex_);
669 kill(*pids.begin(), SIGKILL);
674 TLOG(TLVL_INFO) <<
"All art processes exited after " << TimeUtils::GetElapsedTimeMilliseconds(shutdown_start) <<
" ms (SIGKILL).";
678 std::cout <<
"Please shut down all art processes, then hit return/enter" << std::endl;
679 while (count_pids() > 0)
681 std::cout <<
"The following PIDs are running: ";
683 std::cout << std::endl;
692 TLOG(TLVL_DEBUG) <<
"ReconfigureArt BEGIN";
693 if (restart_art_ || !always_restart_art_)
697 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
699 broadcasts_.MarkBufferEmpty(ii,
true);
703 newRun = run_id_ + 1;
706 if (art_pset != current_art_pset_ || !current_art_config_file_)
708 current_art_pset_ = art_pset;
709 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
712 if (n_art_processes != -1)
714 TLOG(TLVL_INFO) <<
"Setting number of art processes to " << n_art_processes;
715 num_art_processes_ = n_art_processes;
718 TLOG(TLVL_DEBUG) <<
"ReconfigureArt END";
724 init_fragments_.clear();
725 TLOG(TLVL_DEBUG) <<
"SharedMemoryEventManager::endOfData";
726 restart_art_ =
false;
728 size_t initialStoreSize = GetIncompleteEventCount();
729 TLOG(TLVL_DEBUG) <<
"endOfData: Flushing " << initialStoreSize
730 <<
" stale events from the SharedMemoryEventManager.";
731 int counter = initialStoreSize;
732 while (!active_buffers_.empty() && counter > 0)
734 complete_buffer_(*active_buffers_.begin());
737 TLOG(TLVL_DEBUG) <<
"endOfData: Done flushing, there are now " << GetIncompleteEventCount()
738 <<
" stale events in the SharedMemoryEventManager.";
740 TLOG(TLVL_DEBUG) <<
"Waiting for " << (ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_))) <<
" outstanding buffers...";
741 auto start = std::chrono::steady_clock::now();
742 auto lastReadCount = ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_));
743 auto end_of_data_wait_us = art_event_processing_time_us_ * (lastReadCount > 0 ? lastReadCount : 1);
745 auto outstanding_buffer_wait_time = art_event_processing_time_us_ > 100000 ? 100000 : art_event_processing_time_us_;
748 while (lastReadCount > 0 && (end_of_data_wait_us == 0 || TimeUtils::GetElapsedTimeMicroseconds(start) < end_of_data_wait_us) && get_art_process_count_() > 0)
750 auto temp = ReadReadyCount() + (size() - WriteReadyCount(overwrite_mode_));
751 if (temp != lastReadCount)
753 TLOG(TLVL_TRACE) <<
"Waiting for " << temp <<
" outstanding buffers...";
754 lastReadCount = temp;
755 start = std::chrono::steady_clock::now();
757 if (lastReadCount > 0)
759 TLOG(19) <<
"About to sleep " << outstanding_buffer_wait_time <<
" us - lastReadCount=" << lastReadCount <<
" size=" << size() <<
" end_of_data_wait_us=" << end_of_data_wait_us;
760 usleep(outstanding_buffer_wait_time);
764 TLOG(TLVL_DEBUG) <<
"endOfData: After wait for outstanding buffers. Still outstanding: " << lastReadCount <<
", time waited: "
765 << TimeUtils::GetElapsedTime(start) <<
" s / " << (end_of_data_wait_us / 1000000.0) <<
" s, art process count: " << get_art_process_count_();
767 TLOG(TLVL_DEBUG) <<
"endOfData: Broadcasting EndOfData Fragment";
768 FragmentPtrs broadcast;
769 broadcast.emplace_back(Fragment::eodFrag(GetBufferCount()));
770 bool success = broadcastFragments_(broadcast);
773 TLOG(TLVL_DEBUG) <<
"endOfData: Clearing buffers to make room for EndOfData Fragment";
774 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
776 broadcasts_.MarkBufferEmpty(ii,
true);
778 broadcastFragments_(broadcast);
780 auto endOfDataProcessingStart = std::chrono::steady_clock::now();
781 while (get_art_process_count_() > 0)
783 TLOG(TLVL_DEBUG) <<
"There are " << get_art_process_count_() <<
" art processes remaining. Proceeding to shutdown.";
785 ShutdownArtProcesses(art_processes_);
787 TLOG(TLVL_DEBUG) <<
"It took " << TimeUtils::GetElapsedTime(endOfDataProcessingStart) <<
" s for all art processes to close after sending EndOfData Fragment";
789 ResetAttachedCount();
791 TLOG(TLVL_DEBUG) <<
"endOfData: Clearing buffers";
792 for (
size_t ii = 0; ii < size(); ++ii)
794 MarkBufferEmpty(ii,
true);
802 released_events_.clear();
803 released_incomplete_events_.clear();
806 TLOG(TLVL_DEBUG) <<
"endOfData END";
807 TLOG(TLVL_INFO) <<
"EndOfData Complete. There were " << GetLastSeenBufferID() <<
" buffers processed.";
814 init_fragments_.clear();
815 statsHelper_.resetStatistics();
816 TLOG(TLVL_TRACE) <<
"startRun: Clearing broadcast buffers";
817 for (
size_t ii = 0; ii < broadcasts_.size(); ++ii)
819 broadcasts_.MarkBufferEmpty(ii,
true);
821 released_events_.clear();
822 released_incomplete_events_.clear();
826 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
827 subrun_event_map_.clear();
828 subrun_event_map_[0] = 1;
830 run_event_count_ = 0;
831 run_incomplete_event_count_ = 0;
832 requests_ = std::make_unique<RequestSender>(data_pset_);
835 requests_->SetRunNumber(static_cast<uint32_t>(run_id_));
836 requests_->SendRoutingToken(queue_size_, run_id_);
838 TLOG(TLVL_DEBUG) <<
"Starting run " << run_id_
839 <<
", max queue size = "
842 << GetLockedBufferCount();
845 metricMan->sendMetric(
"Run Number", static_cast<uint64_t>(run_id_),
"Run", 1, MetricMode::LastPoint | MetricMode::Persist);
851 TLOG(TLVL_INFO) <<
"Ending run " << run_id_;
852 FragmentPtr endOfRunFrag(
new Fragment(static_cast<size_t>(ceil(
sizeof(my_rank) /
853 static_cast<double>(
sizeof(Fragment::value_type))))));
855 TLOG(TLVL_DEBUG) <<
"Shutting down RequestSender";
856 requests_.reset(
nullptr);
858 TLOG(TLVL_DEBUG) <<
"Broadcasting EndOfRun Fragment";
859 endOfRunFrag->setSystemType(Fragment::EndOfRunFragmentType);
860 *endOfRunFrag->dataBegin() = my_rank;
861 FragmentPtrs broadcast;
862 broadcast.emplace_back(std::move(endOfRunFrag));
863 broadcastFragments_(broadcast);
865 TLOG(TLVL_INFO) <<
"Run " << run_id_ <<
" has ended. There were " << run_event_count_ <<
" events in this run.";
866 run_event_count_ = 0;
867 run_incomplete_event_count_ = 0;
868 oversize_fragment_count_ = 0;
870 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
871 subrun_event_map_.clear();
872 subrun_event_map_[0] = 1;
880 if (boundary == 0 || boundary == Fragment::InvalidSequenceID)
885 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
887 TLOG(TLVL_INFO) <<
"Will roll over to subrun " << subrun <<
" when I reach Sequence ID " << boundary;
888 subrun_event_map_[boundary] = subrun;
889 while (subrun_event_map_.size() > max_subrun_event_map_length_)
891 subrun_event_map_.erase(subrun_event_map_.begin());
897 Fragment::sequence_id_t seqID = 0;
900 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
901 for (
auto& it : subrun_event_map_)
903 if (it.first >= seqID)
905 seqID = it.first + 1;
907 if (it.second >= subrun)
909 subrun = it.second + 1;
913 rolloverSubrun(seqID, subrun);
920 metricMan->sendMetric(
"Incomplete Event Count", GetIncompleteEventCount(),
"events", 1, MetricMode::LastPoint);
921 metricMan->sendMetric(
"Pending Event Count", GetPendingEventCount(),
"events", 1, MetricMode::LastPoint);
924 if (incomplete_event_report_interval_ms_ > 0 && (GetLockedBufferCount() != 0u))
926 if (TimeUtils::GetElapsedTimeMilliseconds(last_incomplete_event_report_time_) < static_cast<size_t>(incomplete_event_report_interval_ms_))
931 last_incomplete_event_report_time_ = std::chrono::steady_clock::now();
932 std::ostringstream oss;
933 oss <<
"Incomplete Events (" << num_fragments_per_event_ <<
"): ";
934 for (
auto& ev : active_buffers_)
936 auto hdr = getEventHeader_(ev);
937 oss << hdr->sequence_id <<
" (" << GetFragmentCount(hdr->sequence_id) <<
"), ";
939 TLOG(TLVL_DEBUG) << oss.str();
943 bool artdaq::SharedMemoryEventManager::broadcastFragments_(FragmentPtrs& frags)
947 TLOG(TLVL_ERROR) <<
"Requested broadcast but no Fragments given!";
950 TLOG(TLVL_DEBUG) <<
"Broadcasting Fragments with seqID=" << frags.front()->sequenceID()
951 <<
", type " << detail::RawFragmentHeader::SystemTypeToString(frags.front()->type())
952 <<
", size=" << frags.front()->sizeBytes() <<
"B.";
953 auto buffer = broadcasts_.GetBufferForWriting(
false);
954 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: after getting buffer 1st buffer=" << buffer;
955 auto start_time = std::chrono::steady_clock::now();
956 while (buffer == -1 && TimeUtils::GetElapsedTimeMilliseconds(start_time) < static_cast<size_t>(broadcast_timeout_ms_))
959 buffer = broadcasts_.GetBufferForWriting(
false);
961 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: after getting buffer w/timeout, buffer=" << buffer <<
", elapsed time=" << TimeUtils::GetElapsedTime(start_time) <<
" s.";
964 TLOG(TLVL_ERROR) <<
"Broadcast of fragment type " << frags.front()->typeString() <<
" failed due to timeout waiting for buffer!";
968 TLOG(TLVL_DEBUG) <<
"broadcastFragments_: Filling in RawEventHeader";
969 auto hdr =
reinterpret_cast<detail::RawEventHeader*
>(broadcasts_.GetBufferStart(buffer));
970 hdr->run_id = run_id_;
971 hdr->subrun_id = GetSubrunForSequenceID(frags.front()->sequenceID());
972 hdr->sequence_id = frags.front()->sequenceID();
973 hdr->is_complete =
true;
974 broadcasts_.IncrementWritePos(buffer,
sizeof(detail::RawEventHeader));
976 for (
auto& frag : frags)
978 TLOG(TLVL_DEBUG) <<
"broadcastFragments_ before Write calls";
979 if (frag->sequenceID() != hdr->sequence_id || frag->type() != frags.front()->type())
981 TLOG(TLVL_WARNING) <<
"Not sending fragment because its SequenceID or Type disagrees with leading Fragment";
984 broadcasts_.Write(buffer, frag->headerAddress(), frag->size() *
sizeof(RawDataType));
987 TLOG(TLVL_DEBUG) <<
"broadcastFragments_ Marking buffer full";
988 broadcasts_.MarkBufferFull(buffer, -1);
989 TLOG(TLVL_DEBUG) <<
"broadcastFragment_s Complete";
993 artdaq::detail::RawEventHeader* artdaq::SharedMemoryEventManager::getEventHeader_(
int buffer)
995 return reinterpret_cast<detail::RawEventHeader*
>(GetBufferStart(buffer));
1000 std::unique_lock<std::mutex> lk(subrun_event_map_mutex_);
1002 TLOG(TLVL_TRACE) <<
"GetSubrunForSequenceID BEGIN map size = " << subrun_event_map_.size();
1003 auto it = subrun_event_map_.begin();
1006 while (it->first <= seqID && it != subrun_event_map_.end())
1008 TLOG(TLVL_TRACE) <<
"Map has sequence ID " << it->first <<
", subrun " << it->second <<
" (looking for <= " << seqID <<
")";
1009 subrun = it->second;
1013 TLOG(TLVL_DEBUG) <<
"GetSubrunForSequenceID returning subrun " << subrun <<
" for sequence ID " << seqID;
1017 int artdaq::SharedMemoryEventManager::getBufferForSequenceID_(Fragment::sequence_id_t seqID,
bool create_new, Fragment::timestamp_t timestamp)
1019 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" BEGIN";
1020 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1022 TLOG(14) <<
"getBufferForSequenceID obtained sequence_id_mutex for seqid=" << seqID;
1024 auto buffers = GetBuffersOwnedByManager();
1025 for (
auto& buf : buffers)
1027 auto hdr = getEventHeader_(buf);
1028 if (hdr->sequence_id == seqID)
1030 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" returning " << buf;
1035 #if !ART_SUPPORTS_DUPLICATE_EVENTS
1036 if (released_incomplete_events_.count(seqID) != 0u)
1038 TLOG(TLVL_ERROR) <<
"Event " << seqID <<
" has already been marked \"Incomplete\" and sent to art!";
1041 if (released_events_.count(seqID) != 0u)
1043 TLOG(TLVL_ERROR) <<
"Event " << seqID <<
" has already been completed and released to art! Check configuration for inconsistent Fragment count per event!";
1053 check_pending_buffers_(lk);
1054 int new_buffer = GetBufferForWriting(
false);
1056 if (new_buffer == -1)
1058 new_buffer = GetBufferForWriting(overwrite_mode_);
1061 if (new_buffer == -1)
1065 TLOG(TLVL_BUFLCK) <<
"getBufferForSequenceID_: obtaining buffer_mutexes lock for buffer " << new_buffer;
1066 std::unique_lock<std::mutex> buffer_lk(buffer_mutexes_[new_buffer]);
1067 TLOG(TLVL_BUFLCK) <<
"getBufferForSequenceID_: obtained buffer_mutexes lock for buffer " << new_buffer;
1069 auto hdr = getEventHeader_(new_buffer);
1070 hdr->is_complete =
false;
1071 hdr->run_id = run_id_;
1072 hdr->subrun_id = GetSubrunForSequenceID(seqID);
1073 hdr->event_id = use_sequence_id_for_event_number_ ?
static_cast<uint32_t
>(seqID) : static_cast<uint32_t>(timestamp);
1074 hdr->sequence_id = seqID;
1075 hdr->timestamp = timestamp;
1076 buffer_writes_pending_[new_buffer] = 0;
1077 IncrementWritePos(new_buffer,
sizeof(detail::RawEventHeader));
1078 SetMFIteration(
"Sequence ID " + std::to_string(seqID));
1080 TLOG(TLVL_BUFFER) <<
"getBufferForSequenceID placing " << new_buffer <<
" to active.";
1081 active_buffers_.insert(new_buffer);
1082 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1084 << ReadReadyCount() <<
","
1085 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1086 << WriteReadyCount(
false) <<
","
1087 << pending_buffers_.size() <<
","
1088 << active_buffers_.size() <<
")";
1092 if (timestamp != Fragment::InvalidTimestamp)
1094 requests_->AddRequest(seqID, timestamp);
1100 requests_->SendRequest();
1103 TLOG(14) <<
"getBufferForSequenceID " << seqID <<
" returning newly initialized buffer " << new_buffer;
1107 bool artdaq::SharedMemoryEventManager::hasFragments_(
int buffer)
1113 if (!CheckBuffer(buffer, BufferSemaphoreFlags::Writing))
1117 ResetReadPos(buffer);
1118 IncrementReadPos(buffer,
sizeof(detail::RawEventHeader));
1119 return MoreDataInBuffer(buffer);
1122 void artdaq::SharedMemoryEventManager::complete_buffer_(
int buffer)
1124 auto hdr = getEventHeader_(buffer);
1125 if (hdr->is_complete)
1127 TLOG(TLVL_DEBUG) <<
"complete_buffer_: This fragment completes event " << hdr->sequence_id <<
".";
1130 TLOG(TLVL_BUFFER) <<
"complete_buffer_ moving " << buffer <<
" from active to pending.";
1132 TLOG(TLVL_BUFLCK) <<
"complete_buffer_: obtaining sequence_id_mutex lock for seqid=" << hdr->sequence_id;
1133 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1134 TLOG(TLVL_BUFLCK) <<
"complete_buffer_: obtained sequence_id_mutex lock for seqid=" << hdr->sequence_id;
1135 active_buffers_.erase(buffer);
1136 pending_buffers_.insert(buffer);
1137 released_events_.insert(hdr->sequence_id);
1138 while (released_events_.size() > max_event_list_length_)
1140 released_events_.erase(released_events_.begin());
1143 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1145 << ReadReadyCount() <<
","
1146 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1147 << WriteReadyCount(
false) <<
","
1148 << pending_buffers_.size() <<
","
1149 << active_buffers_.size() <<
")";
1153 requests_->RemoveRequest(hdr->sequence_id);
1156 CheckPendingBuffers();
1159 bool artdaq::SharedMemoryEventManager::bufferComparator(
int bufA,
int bufB)
1161 return getEventHeader_(bufA)->sequence_id < getEventHeader_(bufB)->sequence_id;
1166 TLOG(TLVL_BUFLCK) <<
"CheckPendingBuffers: Obtaining sequence_id_mutex_";
1167 std::unique_lock<std::mutex> lk(sequence_id_mutex_);
1168 TLOG(TLVL_BUFLCK) <<
"CheckPendingBuffers: Obtained sequence_id_mutex_";
1169 check_pending_buffers_(lk);
1172 void artdaq::SharedMemoryEventManager::check_pending_buffers_(std::unique_lock<std::mutex>
const& lock)
1174 TLOG(14) <<
"check_pending_buffers_ BEGIN Locked=" << std::boolalpha << lock.owns_lock();
1176 auto buffers = GetBuffersOwnedByManager();
1177 for (
auto buf : buffers)
1179 if (ResetBuffer(buf) && (pending_buffers_.count(buf) == 0u))
1181 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();
1182 auto hdr = getEventHeader_(buf);
1183 if ((active_buffers_.count(buf) != 0u) && (buffer_writes_pending_[buf].load() == 0 || !running_))
1187 requests_->RemoveRequest(hdr->sequence_id);
1189 TLOG(TLVL_BUFFER) <<
"check_pending_buffers_ moving buffer " << buf <<
" from active to pending";
1190 active_buffers_.erase(buf);
1191 pending_buffers_.insert(buf);
1192 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1194 << ReadReadyCount() <<
","
1195 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1196 << WriteReadyCount(
false) <<
","
1197 << pending_buffers_.size() <<
","
1198 << active_buffers_.size() <<
")";
1200 run_incomplete_event_count_++;
1203 metricMan->sendMetric(
"Incomplete Event Rate", 1,
"events/s", 3, MetricMode::Rate);
1205 if (released_incomplete_events_.count(hdr->sequence_id) == 0u)
1207 released_incomplete_events_[hdr->sequence_id] = num_fragments_per_event_ - GetFragmentCountInBuffer(buf);
1211 released_incomplete_events_[hdr->sequence_id] -= GetFragmentCountInBuffer(buf);
1213 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.";
1218 std::list<int> sorted_buffers(pending_buffers_.begin(), pending_buffers_.end());
1219 sorted_buffers.sort([
this](
int a,
int b) {
return bufferComparator(a, b); });
1222 double eventSize = 0;
1223 for (
auto buf : sorted_buffers)
1225 auto hdr = getEventHeader_(buf);
1226 auto thisEventSize = BufferDataSize(buf);
1228 TLOG(TLVL_DEBUG) <<
"Releasing event " << std::to_string(hdr->sequence_id) <<
" in buffer " << buf <<
" to art, "
1229 <<
"event_size=" << thisEventSize <<
", buffer_size=" << BufferSize();
1230 statsHelper_.addSample(EVENTS_RELEASED_STAT_KEY, thisEventSize);
1232 TLOG(TLVL_BUFFER) <<
"check_pending_buffers_ removing buffer " << buf <<
" moving from pending to full";
1233 MarkBufferFull(buf);
1236 eventSize += thisEventSize;
1237 pending_buffers_.erase(buf);
1238 TLOG(TLVL_BUFFER) <<
"Buffer occupancy now (total,full,reading,empty,pending,active)=("
1240 << ReadReadyCount() <<
","
1241 << WriteReadyCount(
true) - WriteReadyCount(
false) - ReadReadyCount() <<
","
1242 << WriteReadyCount(
false) <<
","
1243 << pending_buffers_.size() <<
","
1244 << active_buffers_.size() <<
")";
1247 if (requests_ && requests_->RoutingTokenSendsEnabled())
1249 TLOG(TLVL_TRACE) <<
"Sent tokens: " << requests_->GetSentTokenCount() <<
", Event count: " << run_event_count_;
1250 auto outstanding_tokens = requests_->GetSentTokenCount() - run_event_count_;
1251 auto available_buffers = WriteReadyCount(overwrite_mode_);
1253 TLOG(TLVL_TRACE) <<
"check_pending_buffers_: outstanding_tokens: " << outstanding_tokens <<
", available_buffers: " << available_buffers
1254 <<
", tokens_to_send: " << available_buffers - outstanding_tokens;
1256 if (available_buffers > outstanding_tokens)
1258 auto tokens_to_send = available_buffers - outstanding_tokens;
1260 while (tokens_to_send > 0)
1262 TLOG(35) <<
"check_pending_buffers_: Sending a Routing Token";
1263 requests_->SendRoutingToken(1, run_id_);
1269 if (statsHelper_.readyToReport())
1271 std::string statString = buildStatisticsString_();
1272 TLOG(TLVL_INFO) << statString;
1277 TLOG(14) <<
"check_pending_buffers_: Sending Metrics";
1278 metricMan->sendMetric(
"Event Rate", counter,
"Events", 1, MetricMode::Rate);
1279 metricMan->sendMetric(
"Data Rate", eventSize,
"Bytes", 1, MetricMode::Rate);
1282 metricMan->sendMetric(
"Average Event Size", eventSize / counter,
"Bytes", 1, MetricMode::Average);
1285 metricMan->sendMetric(
"Events Released to art this run", run_event_count_,
"Events", 1, MetricMode::LastPoint);
1286 metricMan->sendMetric(
"Incomplete Events Released to art this run", run_incomplete_event_count_,
"Events", 1, MetricMode::LastPoint);
1289 metricMan->sendMetric(
"Tokens sent", requests_->GetSentTokenCount(),
"Tokens", 2, MetricMode::LastPoint);
1292 auto bufferReport = GetBufferReport();
1293 int full = 0, empty = 0, writing = 0, reading = 0;
1294 for (
auto& buf : bufferReport)
1298 case BufferSemaphoreFlags::Full:
1301 case BufferSemaphoreFlags::Empty:
1304 case BufferSemaphoreFlags::Writing:
1307 case BufferSemaphoreFlags::Reading:
1312 auto total = size();
1313 TLOG(15) <<
"Buffer usage: full=" << full <<
", empty=" << empty <<
", writing=" << writing <<
", reading=" << reading <<
", total=" << total;
1315 metricMan->sendMetric(
"Shared Memory Full Buffers", full,
"buffers", 2, MetricMode::LastPoint);
1316 metricMan->sendMetric(
"Shared Memory Available Buffers", empty,
"buffers", 2, MetricMode::LastPoint);
1317 metricMan->sendMetric(
"Shared Memory Pending Buffers", writing,
"buffers", 2, MetricMode::LastPoint);
1318 metricMan->sendMetric(
"Shared Memory Reading Buffers", reading,
"buffers", 2, MetricMode::LastPoint);
1321 metricMan->sendMetric(
"Shared Memory Full %", full * 100 / static_cast<double>(total),
"%", 2, MetricMode::LastPoint);
1322 metricMan->sendMetric(
"Shared Memory Available %", empty * 100 / static_cast<double>(total),
"%", 2, MetricMode::LastPoint);
1325 TLOG(14) <<
"check_pending_buffers_ END";
1328 void artdaq::SharedMemoryEventManager::send_init_frags_()
1330 if (init_fragments_.size() >= init_fragment_count_ && init_fragment_count_ > 0)
1332 TLOG(TLVL_INFO) <<
"Broadcasting init fragment to all art subprocesses...";
1335 std::string fileName =
"receiveInitMessage_" + std::to_string(my_rank) +
".bin";
1336 std::fstream ostream(fileName.c_str(), std::ios::out | std::ios::binary);
1337 ostream.write(reinterpret_cast<char*>(init_fragment_->dataBeginBytes()), init_fragment_->dataSizeBytes());
1341 broadcastFragments_(init_fragments_);
1342 TLOG(TLVL_TRACE) <<
"Init Fragment sent";
1344 else if (init_fragment_count_ > 0)
1346 TLOG(TLVL_WARNING) <<
"Cannot send init fragments 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!";
1351 artdaq::FragmentPtrs begin_run_fragments_;
1352 begin_run_fragments_.emplace_back(
new artdaq::Fragment());
1353 begin_run_fragments_.back()->setSystemType(artdaq::Fragment::InitFragmentType);
1354 broadcastFragments_(begin_run_fragments_);
1360 init_fragments_.push_back(std::move(frag));
1366 TLOG(TLVL_DEBUG) <<
"UpdateArtConfiguration BEGIN";
1367 if (art_pset != current_art_pset_ || !current_art_config_file_)
1369 current_art_pset_ = art_pset;
1370 current_art_config_file_ = std::make_shared<art_config_file>(art_pset );
1372 TLOG(TLVL_DEBUG) <<
"UpdateArtConfiguration END";
1375 std::string artdaq::SharedMemoryEventManager::buildStatisticsString_()
const
1377 std::ostringstream oss;
1378 oss << app_name <<
" statistics:" << std::endl;
1380 artdaq::MonitoredQuantityPtr mqPtr =
1381 artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(EVENTS_RELEASED_STAT_KEY);
1382 if (mqPtr.get() !=
nullptr)
1384 artdaq::MonitoredQuantityStats stats;
1385 mqPtr->getStats(stats);
1386 oss <<
" Event statistics: " << stats.recentSampleCount <<
" events released at " << stats.recentSampleRate
1387 <<
" events/sec, effective data rate = "
1388 << (stats.recentValueRate / 1024.0 / 1024.0)
1389 <<
" MB/sec, monitor window = " << stats.recentDuration
1390 <<
" sec, min::max event size = " << (stats.recentValueMin / 1024.0 / 1024.0)
1391 <<
"::" << (stats.recentValueMax / 1024.0 / 1024.0) <<
" MB" << std::endl;
1392 if (stats.recentSampleRate > 0.0)
1394 oss <<
" Average time per event: ";
1395 oss <<
" elapsed time = " << (1.0 / stats.recentSampleRate) <<
" sec" << std::endl;
1399 mqPtr = artdaq::StatisticsCollection::getInstance().getMonitoredQuantity(FRAGMENTS_RECEIVED_STAT_KEY);
1400 if (mqPtr.get() !=
nullptr)
1402 artdaq::MonitoredQuantityStats stats;
1403 mqPtr->getStats(stats);
1404 oss <<
" Fragment statistics: " << stats.recentSampleCount <<
" fragments received at " << stats.recentSampleRate
1405 <<
" fragments/sec, effective data rate = "
1406 << (stats.recentValueRate / 1024.0 / 1024.0)
1407 <<
" MB/sec, monitor window = " << stats.recentDuration
1408 <<
" sec, min::max fragment size = " << (stats.recentValueMin / 1024.0 / 1024.0)
1409 <<
"::" << (stats.recentValueMax / 1024.0 / 1024.0) <<
" MB" << std::endl;
1412 oss <<
" Event counts: Run -- " << run_event_count_ <<
" Total, " << run_incomplete_event_count_ <<
" Incomplete."
1413 <<
" 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...