SCTErrMonAlg.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "SCTErrMonAlg.h"
 
#include "InDetIdentifier/SCT_ID.h"
#include "InDetReadoutGeometry/SiDetectorElement.h"
#include "SCT_ReadoutGeometry/SCT_DetectorManager.h"
#include "StoreGate/ReadHandle.h"
 
using namespace SCT_Monitoring;
 
SCTErrMonAlg::SCTErrMonAlg(const std::string& name, ISvcLocator* pSvcLocator)
  :AthMonitorAlgorithm(name,pSvcLocator){
  for (int reg{0}; reg<N_REGIONS_INC_GENERAL; reg++) {
    m_nMaskedLinks[reg] = 0;
  }
}
 
StatusCode SCTErrMonAlg::initialize() {
  ATH_CHECK(detStore()->retrieve(m_pSCTHelper, "SCT_ID"));
  ATH_CHECK(m_byteStreamErrTool.retrieve());
  ATH_CHECK(m_configurationTool.retrieve());
  if (m_useDCS) ATH_CHECK(m_dcsTool.retrieve());
  else m_dcsTool.disable();
  ATH_CHECK(m_pSummaryTool.retrieve());
  ATH_CHECK(m_flaggedTool.retrieve());
  ATH_CHECK(m_atlasReadyFilter.retrieve());
  // Retrieve geometrical information
  const InDetDD::SCT_DetectorManager* sctManager{nullptr};
  ATH_CHECK(detStore()->retrieve(sctManager, "SCT"));
  const unsigned int maxHash{static_cast<unsigned int>(m_pSCTHelper->wafer_hash_max())}; // 8176
  moduleGeo_t moduleGeo; // dummy value
  m_geo.resize(maxHash, moduleGeo);
  double rz{0.};
  const double deltaZ{0.};
  for (unsigned int i{0}; i<maxHash; i++) {
    IdentifierHash hash{i};
    const InDetDD::SiDetectorElement* newElement{sctManager->getDetectorElement(hash)};
    newElement->getEtaPhiRegion(deltaZ,
                                moduleGeo.first.first,  moduleGeo.first.second,
                                moduleGeo.second.first, moduleGeo.second.second,
                                rz);
    m_geo[i] = moduleGeo;
  }
 
  return AthMonitorAlgorithm::initialize();
}
 
StatusCode SCTErrMonAlg::fillHistograms(const EventContext& ctx) const {
  SG::ReadHandle<xAOD::EventInfo> pEvent{m_EventInfoKey, ctx};
  if (not pEvent.isValid()) {
    ATH_MSG_WARNING("Could not retrieve event info!");
    return StatusCode::SUCCESS;
  }
 
  bool sctFlag{false};
  if (pEvent->errorState(xAOD::EventInfo::SCT) == xAOD::EventInfo::Error) {
    sctFlag = true;
  }
  auto lumiBlockAcc{Monitored::Scalar<int>("lumiBlock", pEvent->lumiBlock())};
  auto is1DAcc{Monitored::Scalar<bool>("is1D", true)};
  auto sctFlagAcc{Monitored::Scalar<bool>("sctFlag", sctFlag)};
  fill("SCTErrMonitor", lumiBlockAcc, is1DAcc, sctFlagAcc);
 
  // Check wafers with many fired strips (event dependent) using SCT_FlaggedConditionTool.
  std::array<int, N_REGIONS_INC_GENERAL> flaggedWafersIndices
    {ENDCAP_C_INDEX, BARREL_INDEX, ENDCAP_A_INDEX, GENERAL_INDEX};
  std::array<int, N_REGIONS_INC_GENERAL> nFlaggedWafers{};
  nFlaggedWafers.fill(0);
  const unsigned int wafer_hash_max{static_cast<unsigned int>(m_pSCTHelper->wafer_hash_max())};
  for (unsigned int iHash{0}; iHash<wafer_hash_max; iHash++) {
    const IdentifierHash hash{iHash};
    if (not m_flaggedTool->isGood(hash, ctx)) {
      const Identifier wafer_id{m_pSCTHelper->wafer_id(hash)};
      const unsigned barrel_ec{bec2Index(m_pSCTHelper->barrel_ec(wafer_id))};
      nFlaggedWafers[barrel_ec]++;
      nFlaggedWafers[GENERAL_INDEX]++;
    }
  }
  auto flaggedWwafersIndicesAcc{Monitored::Collection("flaggedWafersIndices", flaggedWafersIndices)};
  auto nFlaggedWafersAcc{Monitored::Collection("nFlaggedWafers", nFlaggedWafers)};
  fill("SCTErrMonitor", flaggedWwafersIndicesAcc, nFlaggedWafersAcc);
 
  if (sctFlag) {
    return StatusCode::SUCCESS;
  }
 
  // The numbers of disabled modules, links, strips do not change during a run.
  { //scope for lock
    std::lock_guard<std::mutex> glock{m_mutex};
    if (m_isFirstConfigurationDetails) {
      ATH_CHECK(fillConfigurationDetails(ctx));
      m_isFirstConfigurationDetails = false;
    }
  }
 
  ATH_CHECK(fillByteStreamErrors(ctx));

  // TODO: fill only at the end of a LB
  if (m_makeConfHisto) {
    int moduleOut{0};
    SCT_ID::const_id_iterator waferIterator{m_pSCTHelper->wafer_begin()};
    SCT_ID::const_id_iterator waferEnd{m_pSCTHelper->wafer_end()};
    const std::string errMonName{"SCTErrMonitor"};
    for (; waferIterator not_eq waferEnd; ++waferIterator) {
      Identifier waferId{*waferIterator};
      int layer{m_pSCTHelper->layer_disk(waferId)};
      int side{m_pSCTHelper->side(waferId)};
      int eta{m_pSCTHelper->eta_module(waferId)};
      int phi{m_pSCTHelper->phi_module(waferId)};
      int barrel_ec{m_pSCTHelper->barrel_ec(waferId)};
 
      int reg{BARREL_INDEX};
      if (barrel_ec == ENDCAP_A) reg = ENDCAP_A_INDEX;
      if (barrel_ec == ENDCAP_C) reg = ENDCAP_C_INDEX;
 
      int IN{m_configurationTool->isGood(waferId, ctx, InDetConditions::SCT_SIDE) ? 0 : 1};
      if (m_pSCTHelper->side(waferId) == 0) { // Use only side 0 to check module level
        if (IN == 1) {
          moduleOut++;
          auto mEtaAcc{Monitored::Scalar<int>("eta_out", eta)};
          auto mPhiAcc{Monitored::Scalar<int>("phi_out", phi)};
          auto mOutAcc{Monitored::Scalar<int>(std::string("modulemap")+subDetNameShort[reg].Data()+std::to_string(layer)+"_"+std::to_string(side), IN)};
          fill(errMonName, mEtaAcc, mPhiAcc, mOutAcc);
        }
      }
    }
    auto moduleOutBinAcc{Monitored::Scalar<int>("moduleOutBin", 0)};
    auto moduleOutAcc{Monitored::Scalar<int>("moduleOut", moduleOut)};
    fill(errMonName, moduleOutBinAcc, moduleOutAcc);
  }
 
  return StatusCode::SUCCESS;
}
 
StatusCode
SCTErrMonAlg::stop() {
  std::array<int, N_REGIONS_INC_GENERAL> maskedLinksBin{ENDCAP_C_INDEX, BARREL_INDEX, ENDCAP_A_INDEX, GENERAL_INDEX};
  auto maskedLinksBinAcc{Monitored::Collection("maskedLinksBin", maskedLinksBin)};
  auto maskedLinksAcc{Monitored::Collection("maskedLinks", m_nMaskedLinks)};
  fill("SCTErrMonitor", maskedLinksBinAcc, maskedLinksAcc);
 
  return StatusCode::SUCCESS;
}
 
StatusCode
SCTErrMonAlg::fillConfigurationDetails(const EventContext& ctx) const {
  ATH_MSG_DEBUG("Inside fillConfigurationDetails()");
  unsigned int nBadMods{static_cast<unsigned int>(m_configurationTool->badModules(ctx)->size())}; // bad modules
  const std::map<IdentifierHash, std::pair<bool, bool>>* badLinks{m_configurationTool->badLinks(ctx)}; // bad links
  unsigned int nBadLink0{0}, nBadLink1{0}, nBadLinkBoth{0};
  for (const std::pair<const IdentifierHash, std::pair<bool, bool>>& link: *badLinks) {
    std::pair<bool, bool> status{link.second};
    if ((status.first == false) and (status.second == true)) {
      ++nBadLink0;
    }
    if ((status.first == true) and (status.second == false)) {
      ++nBadLink1;
    }
    if ((status.first == false) and (status.second == false)) {
      ++nBadLinkBoth;
    }
  }
 
  const std::map<Identifier, unsigned int>* badChips{m_configurationTool->badChips(ctx)}; // bad chips
  unsigned int nBadChips{0};
  for (const std::pair<const Identifier, unsigned int>& chip : *badChips) {
    unsigned int status{chip.second};
    for (unsigned int i{0}; i < CHIPS_PER_MODULE; i++) {
      nBadChips += ((status & (1 << i)) == 0 ? 0 : 1);
    }
  }
 
  std::set<Identifier> badStripsAll; // bad strips
  m_configurationTool->badStrips(badStripsAll, ctx);
  unsigned int nBadStrips{static_cast<unsigned int>(badStripsAll.size())};
 
  std::set<Identifier> badStripsExclusive; // bad strips w/o bad modules and chips
  m_configurationTool->badStrips(badStripsExclusive, ctx, true, true);
  int nBadStripsExclusive{static_cast<int>(badStripsExclusive.size())};
  int nBadStripsExclusiveBEC[N_REGIONS] = {
    0, 0, 0
  };
  for (const Identifier& strip: badStripsExclusive) {
    int bec{m_pSCTHelper->barrel_ec(strip)};
    nBadStripsExclusiveBEC[bec2Index(bec)] += 1;
  }

  std::vector<int> vDetailedConfBin(ConfbinsDetailed);
  std::vector<double> vNBad(ConfbinsDetailed);
  for (unsigned int i{0}; i<ConfbinsDetailed; i++) {
    vDetailedConfBin[i] = i;
    if (i==0) vNBad[i] = nBadMods;
    else if (i==1) vNBad[i] = nBadLink0;
    else if (i==2) vNBad[i] = nBadLink1;
    else if (i==3) vNBad[i] = nBadChips;
    else if (i==4) vNBad[i] = static_cast<double>(nBadStripsExclusive) / 100.;
  }
  auto detailedConfBinAcc{Monitored::Collection("detailedConfBin", vDetailedConfBin)};
  auto nBadAcc{Monitored::Collection("nBad", vNBad)};
  fill("SCTErrMonitor", detailedConfBinAcc, nBadAcc);
 
  ATH_MSG_DEBUG("-----------------------------------------------------------------------");
  ATH_MSG_DEBUG("Number of bad modules                          = " << nBadMods);
  ATH_MSG_DEBUG("Number of bad link 0                           = " << nBadLink0);
  ATH_MSG_DEBUG("Number of bad link 1                           = " << nBadLink1);
  ATH_MSG_DEBUG("Number of bad link both                        = " << nBadLinkBoth);
  ATH_MSG_DEBUG("Number of bad chips                            = " << nBadChips);
  ATH_MSG_DEBUG("Number of bad strips                           = " << nBadStrips);
  ATH_MSG_DEBUG("Number of bad strips exclusive                 = " << nBadStripsExclusive);
  ATH_MSG_DEBUG("Number of bad strips exclusive (ECC, B, ECA)   = "
                << nBadStripsExclusiveBEC[ENDCAP_C_INDEX] << ", "
                << nBadStripsExclusiveBEC[BARREL_INDEX] << ", "
                << nBadStripsExclusiveBEC[ENDCAP_A_INDEX] << ", ");
  ATH_MSG_DEBUG("-----------------------------------------------------------------------");
 
  return StatusCode::SUCCESS;
}
 
StatusCode
SCTErrMonAlg::fillByteStreamErrors(const EventContext& ctx) const {
  SG::ReadHandle<xAOD::EventInfo> pEvent{m_EventInfoKey, ctx};
  if (not pEvent.isValid()) {
    ATH_MSG_WARNING("Could not retrieve event info!");
    return StatusCode::SUCCESS;
  }
 
  //--- Fill 1D histograms (vs LumiBlock) for each BS
  for (int errType{0}; errType < SCT_ByteStreamErrors::NUM_ERROR_TYPES; ++errType) {
    int nBSErrors{0};
    // get number of BS errors
    numByteStreamErrors(m_byteStreamErrTool->getErrorSet(errType, ctx), nBSErrors);
    auto lumiBlockAcc{Monitored::Scalar<int>("lumiBlock", pEvent->lumiBlock())};
    auto nBSErrorsAcc{Monitored::Scalar<int>("n_"+SCT_ByteStreamErrors::ErrorTypeDescription[errType], nBSErrors)};
    fill("SCTErrMonitor", lumiBlockAcc, nBSErrorsAcc);
  }
  //Total stack use for this function is 1'623'676 bytes.
  //coverity[STACK_USE]
  categoryErrorMap_t categoryErrorMap;
  std::array<int, N_REGIONS_INC_GENERAL> nMaskedLinks{};
  nMaskedLinks.fill(0);
  for (int errType{0}; errType < SCT_ByteStreamErrors::NUM_ERROR_TYPES; ++errType) {
    fillByteStreamErrorsHelper(m_byteStreamErrTool->getErrorSet(errType, ctx), errType, categoryErrorMap, nMaskedLinks);
  }
  for (int reg{0}; reg<N_REGIONS_INC_GENERAL; reg++) {
    m_nMaskedLinks[reg] = nMaskedLinks[reg];
  }
  std::vector<int> vEta;
  std::vector<int> vPhi;
  std::vector<bool> vHasError;
  for (int errCate{0}; errCate < CategoryErrors::N_ERRCATEGORY; ++errCate) {
    auto lumiBlockAcc{Monitored::Scalar<int>("lumiBlock", pEvent->lumiBlock())};
    auto nCategoryErrorsAcc{Monitored::Scalar<int>("n_"+CategoryErrorsNames[errCate],
                                                   categoryErrorMap.count(errCate))};
    fill("SCTErrMonitor", lumiBlockAcc, nCategoryErrorsAcc);
 
    for (int iReg{0}; iReg<N_REGIONS; iReg++) {
      const int maxLayer{iReg==BARREL_INDEX ? N_BARRELSx2 : N_ENDCAPSx2};
      const int firstEta{iReg==BARREL_INDEX ? FIRST_ETA_BIN : FIRST_ETA_BIN_EC};
      const int lastEta{iReg==BARREL_INDEX ? LAST_ETA_BIN : LAST_ETA_BIN_EC};
      const int firstPhi{iReg==BARREL_INDEX ? FIRST_PHI_BIN : FIRST_PHI_BIN_EC};
      const int lastPhi{iReg==BARREL_INDEX ? LAST_PHI_BIN : LAST_PHI_BIN_EC};
      const size_t size{static_cast<size_t>((lastEta-firstEta+1)*(lastPhi-firstPhi+1))};
      for (int iLay{0}; iLay<maxLayer; iLay++) {
        vEta.resize(size);
        vPhi.resize(size);
        vHasError.resize(size);
        for (int eta{firstEta}; eta<=lastEta; eta++) {
          const int iEta{eta-firstEta};
          for (int phi{firstPhi}; phi<=lastPhi; phi++) {
            const int iPhi{phi-firstPhi};
            size_t index{static_cast<size_t>(iEta*(lastPhi-firstPhi+1)+iPhi)};
            vEta[index] = eta;
            vPhi[index] = phi;
            vHasError[index] = categoryErrorMap[errCate][iReg][iLay][iEta][iPhi];
          }
        }
        auto etaAcc{Monitored::Collection("eta", vEta)};
        auto phiAcc{Monitored::Collection("phi", vPhi)};
        auto hasErrorAcc{Monitored::Collection("hasError_"+CategoryErrorsNames[errCate]+"_"+subDetNameShort[iReg].Data()+"_"+std::to_string(iLay/2)+"_"+std::to_string(iLay%2),
                                               vHasError)};
        fill("SCTErrMonitor", etaAcc, phiAcc, hasErrorAcc);
 
        if (m_doOnline and CategoryErrorsNames[errCate] == "Errors"){
            auto hasErrorRecentAcc{Monitored::Collection("hasError_"+CategoryErrorsNames[errCate]+"_recent_"+subDetNameShort[iReg].Data()+"_"+std::to_string(iLay/2)+"_"+std::to_string(iLay%2),vHasError)};
            fill("SCTErrMonitor", etaAcc, phiAcc, hasErrorRecentAcc);
        }
      }
    }
  }
  
  //coverity[DEADCODE]
   bool doCoverage = false;
  {
    std::lock_guard<std::mutex> lock(m_mutex);
    if (not (m_procLB.find(pEvent->lumiBlock()) != m_procLB.end() and  m_coverageCheckOnlyFirtsEventOfLB) ) {
      m_procLB.insert(pEvent->lumiBlock());
      doCoverage = m_coverageCheck;
    }
  }
 
  // Coverage check is time consuming and run at the first event of each lumi block.
  if (doCoverage) {
    ATH_MSG_DEBUG("Detector Coverage calculation starts" );
 
    static const std::string names[numberOfProblemForCoverage] = {
      "SCT_AllRegion", // All
      "SCT_MapOfDisabledLinks", // Disabled
      "SCT_MapOfLinksWithBadLinkLevelErrors", // BadLinkLevelError
      "SCT_MapOfLinksWithBadRODLevelErrors", // BadRODLevelError
      "SCT_MapOfLinksWithBadErrors", // BadError
      "SCT_MapOfLinksWithPSTrip", // PSTrip (DCS)
      "SCT_MapOfLinksWithAnyProbelm" // Summary
    };
    static const std::string titles[numberOfProblemForCoverage] = {
      "Map of All Region", // All
      "Map of Disabled Links", // Disabled
      "Map of Links with bad LinkLevelErrors", // BadLinkLevelError
      "Map of Links with Bad RODLevelErrors", // BadRODLevelError
      "Map of Links with Bad Errors", // BadError
      "Map of Links Affected by PS Trip", // PSTrip (DCS)
      "Map of Links with Any Bad Problem" // Summary
    };
 
    std::lock_guard<std::mutex> lock{m_mutex};
    CacheEntry* ent{m_cache.get(ctx)};
    if (ent->m_evt!=ctx.evt()) { // New event in this slot
      if (ent->m_mapSCT.empty()) { // First event
        for (int iProblem{0}; iProblem<numberOfProblemForCoverage; iProblem++) {
          ent->m_mapSCT.emplace_back(names[iProblem].c_str(), titles[iProblem].c_str(),
                                       s_nBinsEta, -s_rangeEta, s_rangeEta, s_nBinsPhi, -M_PI, M_PI);
          ent->m_mapSCT[iProblem].GetXaxis()->SetTitle("#eta");
          ent->m_mapSCT[iProblem].GetYaxis()->SetTitle("#phi");
        }
      } else {
        for (int iProblem{0}; iProblem<numberOfProblemForCoverage; iProblem++) {
          ent->m_mapSCT[iProblem].Reset(); // Initialize histograms every event
        }
      }
      ent->m_evt = ctx.evt();
    }
 
    std::set<IdentifierHash> sctHash[numberOfProblemForCoverage]{{}};
    disabledSCT(ctx, sctHash[disabled]);
    errorSCT(sctHash[badLinkError], sctHash[badRODError], sctHash[badError]);
    summarySCT(sctHash[allRegion], sctHash[summary]);
    float psTripModules{0.};
    psTripDCSSCT(ctx, sctHash[psTripDCS], psTripModules);
 
    sctHash[summary].clear();
    sctHash[summary].insert(sctHash[disabled].begin(),sctHash[disabled].end()); // disabled
    sctHash[summary].insert(sctHash[badError].begin(),sctHash[badError].end()); // bad error = bad link error + bad rod error
    sctHash[summary].insert(sctHash[psTripDCS].begin(),sctHash[psTripDCS].end()); // pstrip
 
    for (int iProblem{0}; iProblem<numberOfProblemForCoverage; iProblem++) {
      for (const IdentifierHash& hash: sctHash[iProblem]) {
        fillWafer(m_geo[hash], ent->m_mapSCT[iProblem]);
      }
 
      if (iProblem==allRegion) continue;
 
      double detector_coverage{calculateDetectorCoverage(ent->m_mapSCT[iProblem], ent->m_mapSCT[allRegion])};
      auto lumiBlockAcc{Monitored::Scalar<int>("lumiBlock", pEvent->lumiBlock())};
      auto detectorCoverageAcc{Monitored::Scalar<double>("detectorCoverage"+coverageVarNames[iProblem], detector_coverage)};
      fill("SCTErrMonitor", lumiBlockAcc, detectorCoverageAcc);
 
      if (iProblem==summary) {
    auto detectorCoverageR4PAcc{Monitored::Scalar<double>("detectorCoverage"+coverageVarNames[iProblem]+"InR4P", detector_coverage)};
    bool atlasReady = m_atlasReadyFilter->accept(ctx);
    if(atlasReady) {
      fill("SCTErrMonitor", lumiBlockAcc, detectorCoverageR4PAcc);
    }
      }
    }
    
    // Modules affected by PS Tirp
    auto lumiBlockAcc{Monitored::Scalar<int>("lumiBlock", pEvent->lumiBlock())};
    auto psTripModulesAcc{Monitored::Scalar<int>("psTripModules", psTripModules)};
    fill("SCTErrMonitor", lumiBlockAcc, psTripModulesAcc);
 
  }
 
  return StatusCode::SUCCESS;
}
 
int
SCTErrMonAlg::fillByteStreamErrorsHelper(const std::set<IdentifierHash>& errors,
                                         int err_type,
                                         categoryErrorMap_t& categoryErrorMap,
                                         std::array<int, N_REGIONS_INC_GENERAL>& nMaskedLinks) const {
  //--- Check categories of the BS error
  std::array<bool, CategoryErrors::N_ERRCATEGORY> b_category{};
  b_category.fill(false);
 
  // Error summaries
  b_category[CategoryErrors::MASKEDLINKALL] =
    (err_type == SCT_ByteStreamErrors::MaskedLink) or (err_type == SCT_ByteStreamErrors::MaskedROD);
 
  b_category[CategoryErrors::SUMMARY] = true;
 
  b_category[CategoryErrors::BADERR] = false;
  for (SCT_ByteStreamErrors::ErrorType tmpBadError: SCT_ByteStreamErrors::BadErrors) {
    if (err_type == tmpBadError) {
      b_category[CategoryErrors::BADERR] = true;
      break;
    }
  }
 
  b_category[CategoryErrors::LINKLEVEL] = false;
  for (SCT_ByteStreamErrors::ErrorType linkLevelError: SCT_ByteStreamErrors::LinkLevelErrors) {
    if (err_type == linkLevelError) {
      b_category[CategoryErrors::LINKLEVEL] = true;
      break;
    }
  }
 
  b_category[CategoryErrors::RODLEVEL] = false;
  for (SCT_ByteStreamErrors::ErrorType rodLevelError: SCT_ByteStreamErrors::RodLevelErrors) {
    if (err_type == rodLevelError) {
      b_category[CategoryErrors::RODLEVEL] = true;
      break;
    }
  }
 
  b_category[CategoryErrors::MASKEDCHIP] =
    (err_type == SCT_ByteStreamErrors::TempMaskedChip0) or (err_type == SCT_ByteStreamErrors::TempMaskedChip1) or
    (err_type == SCT_ByteStreamErrors::TempMaskedChip2) or (err_type == SCT_ByteStreamErrors::TempMaskedChip3) or
    (err_type == SCT_ByteStreamErrors::TempMaskedChip4) or (err_type == SCT_ByteStreamErrors::TempMaskedChip5);
 
  // Each error
  b_category[CategoryErrors::BYTESTREAMPARSEERROR] = (err_type == SCT_ByteStreamErrors::ByteStreamParseError);
  b_category[CategoryErrors::TIMEOUTERROR] = (err_type == SCT_ByteStreamErrors::TimeOutError);
  b_category[CategoryErrors::BCIDERROR] = (err_type == SCT_ByteStreamErrors::BCIDError);
  b_category[CategoryErrors::LVL1IDERROR] = (err_type == SCT_ByteStreamErrors::LVL1IDError);
  b_category[CategoryErrors::PREAMBLEERROR] = (err_type == SCT_ByteStreamErrors::PreambleError);
  b_category[CategoryErrors::FORMATTERERROR] = (err_type == SCT_ByteStreamErrors::FormatterError);
  b_category[CategoryErrors::TRAILERERROR] = (err_type == SCT_ByteStreamErrors::TrailerError);
  b_category[CategoryErrors::TRAILEROVERFLOWERROR] = (err_type == SCT_ByteStreamErrors::TrailerOverflowError);
  b_category[CategoryErrors::HEADERTRAILERLIMITERROR] = (err_type == SCT_ByteStreamErrors::HeaderTrailerLimitError);
  b_category[CategoryErrors::ABCDERROR] = (err_type == SCT_ByteStreamErrors::ABCDError);
  b_category[CategoryErrors::RAWERROR] = (err_type == SCT_ByteStreamErrors::RawError);
  b_category[CategoryErrors::MASKEDLINK] = (err_type == SCT_ByteStreamErrors::MaskedLink);
  b_category[CategoryErrors::RODCLOCKERROR] = (err_type == SCT_ByteStreamErrors::RODClockError);
  b_category[CategoryErrors::TRUNCATEDROD] = (err_type == SCT_ByteStreamErrors::TruncatedROD);
  b_category[CategoryErrors::ROBFRAGMENTERROR] = (err_type == SCT_ByteStreamErrors::ROBFragmentError);
  b_category[CategoryErrors::MISSINGLINKHEADERERROR] = (err_type == SCT_ByteStreamErrors::MissingLinkHeaderError);
  b_category[CategoryErrors::MASKEDROD] = (err_type == SCT_ByteStreamErrors::MaskedROD);
  b_category[CategoryErrors::ABCDERROR_CHIP0] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip0);
  b_category[CategoryErrors::ABCDERROR_CHIP1] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip1);
  b_category[CategoryErrors::ABCDERROR_CHIP2] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip2);
  b_category[CategoryErrors::ABCDERROR_CHIP3] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip3);
  b_category[CategoryErrors::ABCDERROR_CHIP4] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip4);
  b_category[CategoryErrors::ABCDERROR_CHIP5] = (err_type == SCT_ByteStreamErrors::ABCDError_Chip5);
  b_category[CategoryErrors::ABCDERROR_ERROR1] = (err_type == SCT_ByteStreamErrors::ABCDError_Error1);
  b_category[CategoryErrors::ABCDERROR_ERROR2] = (err_type == SCT_ByteStreamErrors::ABCDError_Error2);
  b_category[CategoryErrors::ABCDERROR_ERROR4] = (err_type == SCT_ByteStreamErrors::ABCDError_Error4);
  b_category[CategoryErrors::TEMPMASKEDCHIP0] = (err_type == SCT_ByteStreamErrors::TempMaskedChip0);
  b_category[CategoryErrors::TEMPMASKEDCHIP1] = (err_type == SCT_ByteStreamErrors::TempMaskedChip1);
  b_category[CategoryErrors::TEMPMASKEDCHIP2] = (err_type == SCT_ByteStreamErrors::TempMaskedChip2);
  b_category[CategoryErrors::TEMPMASKEDCHIP3] = (err_type == SCT_ByteStreamErrors::TempMaskedChip3);
  b_category[CategoryErrors::TEMPMASKEDCHIP4] = (err_type == SCT_ByteStreamErrors::TempMaskedChip4);
  b_category[CategoryErrors::TEMPMASKEDCHIP5] = (err_type == SCT_ByteStreamErrors::TempMaskedChip5);
  b_category[CategoryErrors::ABCDERROR_ERROR7] = (err_type == SCT_ByteStreamErrors::ABCDError_Error7);
  b_category[CategoryErrors::ABCDERROR_INVALID] = (err_type == SCT_ByteStreamErrors::ABCDError_Invalid);
  b_category[CategoryErrors::RODSIMULATEDDATA] = (err_type == SCT_ByteStreamErrors::RODSimulatedData);
  
  std::array<std::vector<int>,N_REGIONS>  numErrorsPerLumi;
  if (m_doPerLumiErrors) {
    for (int reg{0}; reg<N_REGIONS; reg++) {
      const int nLayers{n_layers[reg]*2};
      numErrorsPerLumi[reg].resize(nLayers, 0);
    }
  }
 
  //--- Count BS errors
  int nerrors{0};
  for (const auto& hash: errors) {
    nerrors++;
    if (not hash.is_valid()) continue;
 
    //--- FIll module information with BS error
    const Identifier fitId{m_pSCTHelper->wafer_id(hash)};
    int layer{m_pSCTHelper->layer_disk(fitId)};
    int side{m_pSCTHelper->side(fitId)};
    int barrel_ec{m_pSCTHelper->barrel_ec(fitId)};
    int ieta{m_pSCTHelper->eta_module(fitId)};
    int iphi{m_pSCTHelper->phi_module(fitId)};
    layer = layer * 2 + side;
    // barrel_ec = {ENDCAP_C=-2, BARREL=0, ENDCAP_A=2}
    // -> regionIndex = {ENDCAP_C_INDEX=0, BARREL_INDEX=1, ENDCAP_A_INDEX=2, GENERAL_INDEX=3}
    int regionIndex{GENERAL_INDEX};
    if ((barrel_ec == BARREL) and (layer >= 0) and (layer < N_BARRELSx2)) regionIndex = BARREL_INDEX;
    else if (barrel_ec == ENDCAP_A) regionIndex = ENDCAP_A_INDEX;
    else if (barrel_ec == ENDCAP_C) regionIndex = ENDCAP_C_INDEX;
 
    // Take into account offsets
    ieta -= ((regionIndex==BARREL_INDEX) ? FIRST_ETA_BIN : FIRST_ETA_BIN_EC);
    iphi -= ((regionIndex==BARREL_INDEX) ? FIRST_PHI_BIN : FIRST_PHI_BIN_EC);
 
    if (b_category[CategoryErrors::MASKEDLINKALL]) {
      nMaskedLinks[GENERAL_INDEX]++;
      if (regionIndex!=GENERAL_INDEX) {
        nMaskedLinks[regionIndex]++;
      }
    }
 
    if (m_doPerLumiErrors) numErrorsPerLumi.at(regionIndex)[layer]++;
 
    for (int errCate{0}; errCate < CategoryErrors::N_ERRCATEGORY; ++errCate) {
      if (b_category[errCate] and regionIndex!=GENERAL_INDEX) {
        categoryErrorMap[errCate][regionIndex][layer][ieta][iphi] = true;
      }
    }
  }
 
  if (m_doPerLumiErrors) {
    std::size_t size{static_cast<size_t>(N_REGIONS*n_layers[ENDCAP_C_INDEX]*N_SIDES)};
    std::vector<int> vErrorType;
    std::vector<int> vLayerSide;
    std::vector<float> vErrorFraction;
    std::vector<bool> vIsEC;
    std::vector<bool> vIsB;
    std::vector<bool> vIsEA;
    vErrorType.reserve(size);
    vLayerSide.reserve(size);
    vErrorFraction.reserve(size);
    vIsEC.reserve(size);
    vIsB.reserve(size);
    vIsEA.reserve(size);
    for (int reg{0}; reg<N_REGIONS; reg++) {
      const int nLayers{n_layers[reg]*N_SIDES};
      for (int layerSide{0}; layerSide<nLayers; layerSide++) {
        float num_modules{static_cast<float>(getNumModules(index2Bec(reg), layerSide))};
        if (num_modules==0.) continue;
        vErrorType.push_back(err_type);
        vLayerSide.push_back(layerSide);
        vErrorFraction.push_back(static_cast<float>(numErrorsPerLumi[reg][layerSide])/num_modules);
        vIsEC.push_back(reg==ENDCAP_C_INDEX);
        vIsB.push_back(reg==BARREL_INDEX);
        vIsEA.push_back(reg==ENDCAP_A_INDEX);
      }
    }
    auto errorTypeAcc{Monitored::Collection("errorType", vErrorType)};
    auto layerSideAcc{Monitored::Collection("layerSide", vLayerSide)};
    auto errorFractionAcc{Monitored::Collection("errorFraction", vErrorFraction)};
    auto isECAcc{Monitored::Collection("isEC", vIsEC)};
    auto isBAcc{Monitored::Collection("isB", vIsB)};
    auto isEAAcc{Monitored::Collection("isEA", vIsEA)};
    fill("SCTErrMonitor", errorTypeAcc, layerSideAcc, errorFractionAcc, isECAcc, isBAcc, isEAAcc);
  }
 
  if (b_category[CategoryErrors::SUMMARY]) return nerrors;
  return 0;
}
 
void
SCTErrMonAlg::numByteStreamErrors(const std::set<IdentifierHash>& errors, int& ntot) const {
  for (const auto& fit: errors) {
    if (fit.is_valid()) {
      ntot++;
    }
  }
}
 
bool SCTErrMonAlg::disabledSCT(const EventContext& ctx, std::set<IdentifierHash>& sctHashDisabled) const {
  bool altered{false};
  sctHashDisabled.clear();
  const std::set<Identifier>* badModules{m_configurationTool->badModules(ctx)};
 
  for (const Identifier& badModule: *badModules) {
    altered = true;
    IdentifierHash hashSide0{m_pSCTHelper->wafer_hash(badModule)};
    IdentifierHash hashSide1;
    m_pSCTHelper->get_other_side(hashSide0, hashSide1);
    sctHashDisabled.insert(hashSide0);
    sctHashDisabled.insert(hashSide1);
  }
  return altered;
}
 
bool SCTErrMonAlg::errorSCT(std::set<IdentifierHash>& sctHashBadLinkError,
                            std::set<IdentifierHash>& sctHashBadRODError,
                            std::set<IdentifierHash>& sctHashBadError) const {
  sctHashBadLinkError.clear();
  sctHashBadRODError.clear();
  sctHashBadError.clear();
  const EventContext& ctx{Gaudi::Hive::currentContext()};
  //BadLinkLevelError
  for (SCT_ByteStreamErrors::ErrorType linkLevelBadErrors: SCT_ByteStreamErrors::LinkLevelBadErrors) {
    const std::set<IdentifierHash> sctErrors{m_byteStreamErrTool->getErrorSet( linkLevelBadErrors, ctx )};
    for (const IdentifierHash& waferHash : sctErrors) {
      sctHashBadLinkError.insert(waferHash);
    }
  }
 
  //BadRODLevelError
  for (SCT_ByteStreamErrors::ErrorType RodLevelBadErrors: SCT_ByteStreamErrors::RodLevelBadErrors) {
    const std::set<IdentifierHash> sctErrors{m_byteStreamErrTool->getErrorSet( RodLevelBadErrors, ctx )};
    for (const IdentifierHash& waferHash : sctErrors) {
      sctHashBadRODError.insert(waferHash);
    }
  }
 
  //BadError = BadLinkLevelError + BadRODLevelError
  for (SCT_ByteStreamErrors::ErrorType tmpBadError: SCT_ByteStreamErrors::BadErrors) {
    const std::set<IdentifierHash> sctErrors{m_byteStreamErrTool->getErrorSet( tmpBadError, ctx )};
    for (const IdentifierHash& waferHash : sctErrors) {
      sctHashBadError.insert(waferHash);
    }
  }
  return true;
}
 
// Total (SCT_ConditionsSummaryTool)
bool SCTErrMonAlg::summarySCT(std::set<IdentifierHash>& sctHashAll, std::set<IdentifierHash>& sctHashSummary) const  {
  bool altered{false};
  sctHashAll.clear();//All
  sctHashSummary.clear();
 
  const EventContext& ctx{Gaudi::Hive::currentContext()};
 
  const unsigned int maxHash{static_cast<unsigned int>(m_pSCTHelper->wafer_hash_max())}; // 8176
  for (unsigned int i{0}; i<maxHash; i++) {
    IdentifierHash hash{i};
    sctHashAll.insert(hash);//All
    if (not m_pSummaryTool->isGood(hash, ctx)) {
      sctHashSummary.insert(hash);
    }
  }
  return altered;
}
 
// Power supply trip (SCT_DCSConditionsTool)
bool SCTErrMonAlg::psTripDCSSCT(const EventContext& ctx, std::set<IdentifierHash>& sctHashPSTripDCS, float& psTripModules) const {
  bool altered{false};
  sctHashPSTripDCS.clear();
 
  const unsigned int maxHash{static_cast<unsigned int>(m_pSCTHelper->wafer_hash_max())}; // 8176
  int npsw{0};
  for (unsigned int i{0}; i<maxHash; i++) {
    IdentifierHash hash{i};
    if (m_useDCS and (not m_dcsTool->isGood(hash, ctx))) {
      npsw++; //Counting the number of PS sides
      altered = true;
      sctHashPSTripDCS.insert(hash);
    }
  }
  psTripModules = npsw/2.;
  return altered;
}
 
void SCTErrMonAlg::fillWafer(moduleGeo_t module, TH2F& histo) const {
  double etaMin{module.first.first}, etaMax{module.first.second};
  double phiMin{module.second.first}, phiMax{module.second.second};
  unsigned int nRep{1};
  if (etaMin<-s_rangeEta) { etaMin = -s_rangeEta; }
  if (etaMax> s_rangeEta) { etaMax =  s_rangeEta; }
  if (phiMin>phiMax) {
    phiMin = -M_PI;
    nRep=2;
  }
  for (unsigned int iRep{0}; iRep<nRep; iRep++) {
    if (iRep==1) {
      phiMin = module.second.first;
      phiMax = M_PI;
    }
    const int ixMin{static_cast<int>((etaMin/s_rangeEta+1.)*s_nBinsEta/2)+1};
    const int ixMax{static_cast<int>((etaMax/s_rangeEta+1.)*s_nBinsEta/2)};
    const int iyMin{static_cast<int>((phiMin/M_PI+1.)*s_nBinsPhi/2)+1};
    const int iyMax{static_cast<int>((phiMax/M_PI+1.)*s_nBinsPhi/2)};
    const double xMin{(static_cast<double>(ixMin)/s_nBinsEta*2-1.)*s_rangeEta};
    const double xMax{(static_cast<double>(ixMax)/s_nBinsEta*2-1.)*s_rangeEta};
    const double yMin{(static_cast<double>(iyMin)/s_nBinsPhi*2-1.)*M_PI};
    const double yMax{(static_cast<double>(iyMax)/s_nBinsPhi*2-1.)*M_PI};
    const double wxMin{(xMin-etaMin)/s_rangeEta*s_nBinsEta/2};
    const double wxMax{(etaMax-xMax)/s_rangeEta*s_nBinsEta/2};
    const double wxOne{(etaMax-etaMin)/s_rangeEta*s_nBinsEta/2};
    const double wyMin{(yMin-phiMin)/M_PI*s_nBinsPhi/2};
    const double wyMax{(phiMax-yMax)/M_PI*s_nBinsPhi/2};
    const double wyOne{(phiMax-phiMin)/M_PI*s_nBinsPhi/2};
    for (int ix{ixMin}; ix<=ixMax+1; ix++) {
      double weightx{1.};
      if (ixMin==ixMax+1) weightx = wxOne;
      else if (ix==ixMin) weightx = wxMin;
      else if (ix==ixMax+1) weightx = wxMax;
      for (int iy{iyMin}; iy<=iyMax+1; iy++) {
        double weight{weightx};
        if (iyMin==iyMax+1) weight *= wyOne;
        else if (iy==iyMin) weight *= wyMin;
        else if (iy==iyMax+1) weight *= wyMax;
        histo.SetBinContent(ix, iy, histo.GetBinContent(ix,iy)+weight); //Fill(ix, iy, weight);//
      }
    }
  }
  return;
}
 
double SCTErrMonAlg::calculateDetectorCoverage(const TH2F& histo, const TH2F& histoAll) const {
  double occupancy{0.};
 
  for (unsigned int i{0}; i < s_nBinsEta; i++) {
    for (unsigned int j{0}; j < s_nBinsPhi; j++) {
      double waferCell{histoAll.GetBinContent(i+1, j+1) - histo.GetBinContent(i+1, j+1)};
 
      if (waferCell >= s_wafersThreshold) {
        occupancy += 1.0;
      } else if (waferCell > s_wafersThreshold - 1.0 ) {
        occupancy += waferCell - (s_wafersThreshold - 1.0);
        //Calculating the bin occupancy which has less than 1. 
        //For example, bin have a 2.3. In this case, we can understand that 30% of the bin is coverd by 3 sides/wafers and 70% of the bin is coverd by 2 sides/wafers.
        //And it means that occupancy of the bin is 0.3 So, in this line, I take difference between s_wafersThreshold(3)-1 and waferCell, and add it to the occupancy.
      }
    }
  }
  double detector_coverage{100. * occupancy / ( static_cast<double>( s_nBinsEta ) * static_cast<double>( s_nBinsPhi ) )};
  return detector_coverage;
}
 
const unsigned int SCTErrMonAlg::s_nBinsEta = 100;
const double SCTErrMonAlg::s_rangeEta = 2.5;
const unsigned int SCTErrMonAlg::s_nBinsPhi = 100;
const double SCTErrMonAlg::s_wafersThreshold = 4.0;