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[DQM] [Clang]Cleanup clang-analyzer warnings #46227

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Oct 7, 2024
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[DQM] [Clang]Cleanup clang-analyzer warnings #46227

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4 changes: 4 additions & 0 deletions Validation/CaloTowers/src/CaloTowersClient.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -88,11 +88,13 @@ int CaloTowersClient::CaloTowersEndjob(const std::vector<MonitorElement*>& hcalM
if (useAllHistos != 0 && useAllHistos != 3)
return 0;

assert(mapEnergy_N);
double nevent = mapEnergy_N->getEntries();
if (verbose_)
std::cout << "nevent : " << nevent << std::endl;

// mean number of towers per ieta
assert(Ntowers_vs_ieta);
int nx = Ntowers_vs_ieta->getNbinsX();
float cont;
float econt;
Expand Down Expand Up @@ -139,6 +141,7 @@ int CaloTowersClient::CaloTowersEndjob(const std::vector<MonitorElement*>& hcalM
}

// Occupancy (needed for occupancy vs ieta)
assert(occupancy_map);
cnorm = occupancy_map->getBinContent(i, j) / fev;
enorm = occupancy_map->getBinError(i, j) / fev;
if (cnorm > 1.e-30)
Expand All @@ -163,6 +166,7 @@ int CaloTowersClient::CaloTowersEndjob(const std::vector<MonitorElement*>& hcalM

cnorm = sumphi / phi_factor;
enorm = sqrt(sumphie) / phi_factor;
assert(occupancy_vs_ieta);
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@cms-sw/dqm-l2 , may be there is better way to fix this code . All these pointers are not set in https://github.com/cms-sw/cmssw/blob/master/Validation/CaloTowers/src/CaloTowersClient.cc#L63-L87 block. So clang-analyzer warns that these might be null. For now I have added assert to instruct clang static analyzer that we fail if these are null

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I think your proposed solution for the null pointer error handling is fine.

occupancy_vs_ieta->setBinContent(i, cnorm);
occupancy_vs_ieta->setBinError(i, enorm);

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2 changes: 2 additions & 0 deletions Validation/DTRecHits/plugins/DTRecHitQuality.cc
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Expand Up @@ -593,6 +593,7 @@ void DTRecHitQuality::compute(const DTGeometry &dtGeom,
}

// Fill
assert(hRes);
hRes->fill(simHitWireDist,
simHitTheta,
simHitFEDist,
Expand Down Expand Up @@ -685,6 +686,7 @@ void DTRecHitQuality::compute(const DTGeometry &dtGeom,
}
}
// Fill
assert(hEff);
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same here, just to make sure these pointers are not null

hEff->fill(simHitWireDist, simHitGlobalPos.eta(), simHitGlobalPos.phi(), recHitReconstructed);
if (hEffTot != nullptr) {
hEffTot->fill(simHitWireDist, simHitGlobalPos.eta(), simHitGlobalPos.phi(), recHitReconstructed);
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1 change: 1 addition & 0 deletions Validation/EcalClusters/src/EnergyScaleAnalyzer.cc
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Expand Up @@ -144,6 +144,7 @@ void EnergyScaleAnalyzer::analyze(const edm::Event &evt, const edm::EventSetup &
Labels l;
labelsForToken(hepMCLabel_, l);

[[clang::suppress]]
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genEvent is used later in the code. Clang static analyzer complains that if hepMC.isValid() is not valid then genEvent is not used. [[clang::suppress]] here instruct clang analyzer to ignore this warnings

const HepMC::GenEvent *genEvent = hepMC->GetEvent();
if (!(hepMC.isValid())) {
LogInfo("EnergyScaleAnalyzer") << "Could not get MC Product!";
Expand Down
7 changes: 3 additions & 4 deletions Validation/EcalDigis/plugins/EcalBarrelDigisValidation.cc
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Expand Up @@ -250,6 +250,7 @@ void EcalBarrelDigisValidation::analyze(Event const& e, EventSetup const& c) {

void EcalBarrelDigisValidation::checkCalibrations(edm::EventSetup const& eventSetup) {
// ADC -> GeV Scale
[[clang::suppress]]
const EcalADCToGeVConstant* agc = &eventSetup.getData(pAgc);

EcalMGPAGainRatio* defaultRatios = new EcalMGPAGainRatio();
Expand All @@ -268,8 +269,6 @@ void EcalBarrelDigisValidation::checkCalibrations(edm::EventSetup const& eventSe

delete defaultRatios;

const double barrelADCtoGeV_ = agc->getEBValue();
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << barrelADCtoGeV_;
const double endcapADCtoGeV_ = agc->getEEValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << endcapADCtoGeV_;
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << agc->getEBValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << agc->getEEValue();
}
7 changes: 3 additions & 4 deletions Validation/EcalDigis/plugins/EcalDigisValidation.cc
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Expand Up @@ -377,6 +377,7 @@ void EcalDigisValidation::analyze(edm::Event const& e, edm::EventSetup const& c)

void EcalDigisValidation::checkCalibrations(edm::EventSetup const& eventSetup) {
// ADC -> GeV Scale
[[clang::suppress]]
const EcalADCToGeVConstant* agc = &eventSetup.getData(pAgc);

EcalMGPAGainRatio* defaultRatios = new EcalMGPAGainRatio();
Expand All @@ -397,8 +398,6 @@ void EcalDigisValidation::checkCalibrations(edm::EventSetup const& eventSetup) {

delete defaultRatios;

const double barrelADCtoGeV_ = agc->getEBValue();
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << barrelADCtoGeV_;
const double endcapADCtoGeV_ = agc->getEEValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << endcapADCtoGeV_;
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << agc->getEBValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << agc->getEEValue();
}
7 changes: 3 additions & 4 deletions Validation/EcalDigis/plugins/EcalEndcapDigisValidation.cc
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Expand Up @@ -259,6 +259,7 @@ void EcalEndcapDigisValidation::analyze(Event const& e, EventSetup const& c) {

void EcalEndcapDigisValidation::checkCalibrations(edm::EventSetup const& eventSetup) {
// ADC -> GeV Scale
[[clang::suppress]]
const EcalADCToGeVConstant* agc = &eventSetup.getData(pAgc);

EcalMGPAGainRatio* defaultRatios = new EcalMGPAGainRatio();
Expand All @@ -277,8 +278,6 @@ void EcalEndcapDigisValidation::checkCalibrations(edm::EventSetup const& eventSe

delete defaultRatios;

const double barrelADCtoGeV_ = agc->getEBValue();
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << barrelADCtoGeV_;
const double endcapADCtoGeV_ = agc->getEEValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << endcapADCtoGeV_;
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << agc->getEBValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << agc->getEEValue();
}
7 changes: 3 additions & 4 deletions Validation/EcalDigis/plugins/EcalMixingModuleValidation.cc
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Expand Up @@ -612,6 +612,7 @@ void EcalMixingModuleValidation::analyze(edm::Event const& e, edm::EventSetup co

void EcalMixingModuleValidation::checkCalibrations(edm::EventSetup const& eventSetup) {
// ADC -> GeV Scale
[[clang::suppress]]
const EcalADCToGeVConstant* agc = &eventSetup.getData(pAgc);

EcalMGPAGainRatio defaultRatios;
Expand All @@ -627,10 +628,8 @@ void EcalMixingModuleValidation::checkCalibrations(edm::EventSetup const& eventS
<< " g2 = " << gainConv_[2] << "\n"
<< " g3 = " << gainConv_[3];

const double barrelADCtoGeV_ = agc->getEBValue();
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << barrelADCtoGeV_;
const double endcapADCtoGeV_ = agc->getEEValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << endcapADCtoGeV_;
LogDebug("EcalDigi") << " Barrel GeV/ADC = " << agc->getEBValue();
LogDebug("EcalDigi") << " Endcap GeV/ADC = " << agc->getEEValue();

// ES condition objects
const ESGain* esgain = &eventSetup.getData(esgain_);
Expand Down
3 changes: 0 additions & 3 deletions Validation/EcalDigis/plugins/EcalSelectiveReadoutValidation.cc
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Expand Up @@ -2183,14 +2183,11 @@ void EcalSelectiveReadoutValidation::configFirWeights(const vector<double>& weig
log << weightsForZsFIR[i] << "\t";
}

double s2 = 0.;
log << "\nActual FIR weights: ";
for (unsigned i = 0; i < firWeights_.size(); ++i) {
log << firWeights_[i] << "\t";
s2 += firWeights_[i] * firWeights_[i];
}

s2 = sqrt(s2);
log << "\nNormalized FIR weights after hw representation rounding: ";
for (unsigned i = 0; i < firWeights_.size(); ++i) {
log << firWeights_[i] / (double)(1 << 10) << "\t";
Expand Down
4 changes: 2 additions & 2 deletions Validation/GlobalDigis/src/GlobalDigisAnalyzer.cc
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Expand Up @@ -741,7 +741,7 @@ void GlobalDigisAnalyzer::fillECal(const edm::Event &iEvent, const edm::EventSet
bool validDigiES = true;
if (!EcalDigiES.isValid()) {
LogDebug(MsgLoggerCat) << "Unable to find EcalDigiES in event!";
validDigiES = false;
[[clang::suppress]] validDigiES = false;
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clang analyzer complains as we force set validDigiES = false; at few line later

}

// ONLY WHILE GEOMETRY IS REMOVED
Expand Down Expand Up @@ -1468,7 +1468,7 @@ void GlobalDigisAnalyzer::fillMuon(const edm::Event &iEvent, const edm::EventSet
bool validrpcdigi = true;
if (!rpcDigis.isValid()) {
LogDebug(MsgLoggerCat) << "Unable to find rpcDigis in event!";
validrpcdigi = false;
[[clang::suppress]] validrpcdigi = false;
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clang analyzer complains as we force set validrpcdigi = false; at few line later

}

// ONLY UNTIL PROBLEM WITH RPC DIGIS IS FIGURED OUT
Expand Down
1 change: 1 addition & 0 deletions Validation/HLTrigger/plugins/HLTGenValSource.cc
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Expand Up @@ -144,6 +144,7 @@ void HLTGenValSource::dqmBeginRun(const edm::Run& iRun, const edm::EventSetup& i
infoString_ += "\"date & time\":\"" + timeString + "\",";

// CMSSW version
[[clang::suppress]]
std::string cmsswVersion = std::getenv("CMSSW_VERSION");
infoString_ += std::string("\"CMSSW release\":\"") + cmsswVersion + "\",";

Expand Down
1 change: 0 additions & 1 deletion Validation/MuonDTDigis/src/MuonDTDigis.cc
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Expand Up @@ -234,7 +234,6 @@ void MuonDTDigis::analyze(const Event &event, const EventSetup &eventSetup) {
const DTDigiCollection::Range &range = (*detUnitIt).second;

num_digis_layer = 0;
cham_num = 0;
wire_touched = 0;

// Loop over the digis of this DetUnit
Expand Down
2 changes: 1 addition & 1 deletion Validation/RecoB/plugins/BDHadronTrackMonitoringAnalyzer.cc
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Expand Up @@ -327,7 +327,7 @@ void BDHadronTrackMonitoringAnalyzer::analyze(const edm::Event &iEvent, const ed
sqrt(momentum_tpr.perp2()) * momentum_tpr.z() /
sqrt(momentum_tpr.perp2());

TrkTruthnHitAll = 0;
[[clang::suppress]] TrkTruthnHitAll = 0;
TrkTruthnHitPixel = 0;
TrkTruthnHitStrip = 0;
if (clusterRange.first != clusterRange.second) {
Expand Down
6 changes: 3 additions & 3 deletions Validation/RecoParticleFlow/src/Comparator.cc
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Expand Up @@ -429,15 +429,15 @@ void Comparator::Draw(TH1 *h0, TH1 *h1, Mode mode) {
std::ostringstream oss3;
oss3 << h1_->GetEntries();
const std::string txt_entries = "Entries = " + oss3.str();
text = ptstats2->AddText(txt_entries.c_str());
ptstats2->AddText(txt_entries.c_str());
std::ostringstream oss;
oss << h1_->GetMean();
const std::string txt_mean = "Mean = " + oss.str();
text = ptstats2->AddText(txt_mean.c_str());
ptstats2->AddText(txt_mean.c_str());
std::ostringstream oss2;
oss2 << h1_->GetRMS();
const std::string txt_rms = "RMS = " + oss2.str();
text = ptstats2->AddText(txt_rms.c_str());
ptstats2->AddText(txt_rms.c_str());
ptstats2->SetOptStat(1111);
ptstats2->SetOptFit(0);
ptstats2->Draw();
Expand Down