#include <HLTPrescaler.h>

Inheritance diagram for HLTPrescaler:

Public Member Functions
virtual void	beginLuminosityBlock (edm::LuminosityBlock const &lb, edm::EventSetup const &iSetup) override

virtual void	endStream () override

virtual bool	filter (edm::Event &iEvent, edm::EventSetup const &iSetup) override

	HLTPrescaler (edm::ParameterSet const &iConfig, const trigger::Efficiency *efficiency)

virtual	~HLTPrescaler ()

Public Member Functions inherited from edm::stream::EDFilter< edm::GlobalCache< trigger::Efficiency > >
	EDFilter ()=default

Public Member Functions inherited from edm::stream::EDFilterBase
	EDFilterBase ()

ModuleDescription const &	moduleDescription () const

virtual	~EDFilterBase ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()

ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

static void	globalEndJob (const trigger::Efficiency *efficiency)

static std::unique_ptr < trigger::Efficiency >	initializeGlobalCache (edm::ParameterSet const &)

Static Public Member Functions inherited from edm::stream::EDFilterBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
unsigned int	acceptCount_
	accept counter More...

unsigned int	eventCount_
	event counter More...

edm::InputTag	gtDigiTag_
	GT payload, to extract the prescale column index. More...

edm::EDGetTokenT < L1GlobalTriggerReadoutRecord >	gtDigiToken_

bool	newLumi_
	check for (re)initialization of the prescale More...

unsigned int	offsetCount_
	initial offset More...

unsigned int	offsetPhase_

unsigned int	prescaleFactor_
	accept one in prescaleFactor_; 0 means never to accept an event More...

edm::service::PrescaleService *	prescaleService_
	prescale service More...

unsigned int	prescaleSet_
	l1 prescale set index More...

Static Private Attributes
static const unsigned int	prescaleSeed_ = 65537
	"seed" used to initialize the prescale counter More...

Additional Inherited Members
Public Types inherited from edm::stream::EDFilter< edm::GlobalCache< trigger::Efficiency > >
typedef CacheContexts< T...>	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T...>	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT < LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Public Types inherited from edm::stream::EDFilterBase
typedef EDFilterAdaptorBase	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Protected Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

This class is an EDFilter implementing an HLT Prescaler module with associated book keeping.

Author: Martin Grunewald; Philipp Schieferdecker

Definition at line 34 of file HLTPrescaler.h.

Constructor & Destructor Documentation

HLTPrescaler::HLTPrescaler	(	edm::ParameterSet const &	iConfig,
		const trigger::Efficiency *	efficiency
	)

explicit

Definition at line 32 of file HLTPrescaler.cc.

References LogDebug, cppFunctionSkipper::operator, and prescaleService_.

                                                                                               :
   prescaleSet_(0)
   , prescaleFactor_(1)
   , eventCount_(0)
   , acceptCount_(0)
   , offsetCount_(0)
   , offsetPhase_(iConfig.getParameter<unsigned int>("offset"))
   , prescaleService_(0)
   , newLumi_(true)
   , gtDigiTag_ (iConfig.getParameter<edm::InputTag>("L1GtReadoutRecordTag"))
   , gtDigiToken_ (consumes<L1GlobalTriggerReadoutRecord>(gtDigiTag_))
 {
   if(edm::Service<edm::service::PrescaleService>().isAvailable())
     prescaleService_ = edm::Service<edm::service::PrescaleService>().operator->();
   else 
     LogDebug("NoPrescaleService")<<"PrescaleService unavailable, prescaleFactor=1!";
 }

HLTPrescaler::~HLTPrescaler ( )

virtual

Definition at line 51 of file HLTPrescaler.cc.

 {
   
 }

Member Function Documentation

void HLTPrescaler::beginLuminosityBlock	(	edm::LuminosityBlock const &	lb,
		edm::EventSetup const &	iSetup
	)

overridevirtual

Reimplemented from edm::stream::EDFilterBase.

Definition at line 68 of file HLTPrescaler.cc.

References newLumi_.

 {
   newLumi_ = true;
 }

void HLTPrescaler::endStream ( )

overridevirtual

Reimplemented from edm::stream::EDFilterBase.

Definition at line 129 of file HLTPrescaler.cc.

References acceptCount_, and eventCount_.

 {
   //since these are std::atomic, it is safe to increment them
   // even if multiple endStreams are being called.
   globalCache()->eventCount_ += eventCount_;
   globalCache()->acceptCount_ += acceptCount_; 
   return;
 }

void HLTPrescaler::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 60 of file HLTPrescaler.cc.

References edm::ConfigurationDescriptions::add(), and edm::ParameterSetDescription::add().

                                                                               {
   edm::ParameterSetDescription desc;
   desc.add<unsigned int>("offset",0);
   desc.add<edm::InputTag>("L1GtReadoutRecordTag",edm::InputTag("hltGtDigis"));
   descriptions.add("hltPrescaler", desc);
 }

bool HLTPrescaler::filter	(	edm::Event &	iEvent,
		edm::EventSetup const &	iSetup
	)

overridevirtual

Implements edm::stream::EDFilterBase.

Definition at line 76 of file HLTPrescaler.cc.

References acceptCount_, edm::EventID::event(), eventCount_, edm::Event::getByToken(), edm::Event::getLuminosityBlock(), edm::service::PrescaleService::getPrescale(), gtDigiToken_, patZpeak::handle, edm::LuminosityBlockBase::id(), edm::EventBase::id(), edm::HandleBase::isValid(), edm::LuminosityBlockID::luminosityBlock(), edm::Event::moduleCallingContext(), newLumi_, offsetCount_, offsetPhase_, edm::PlaceInPathContext::pathContext(), edm::PathContext::pathName(), EgammaValidation_cff::pathName, edm::ModuleCallingContext::placeInPathContext(), prescaleFactor_, prescaleSeed_, prescaleService_, prescaleSet_, query::result, and AlCaHLTBitMon_QueryRunRegistry::string.

 {
   // during the first event of a LumiSection, read from the GT the prescale index for this
   // LumiSection and get the corresponding prescale factor from the PrescaleService
   if (newLumi_) {
     newLumi_ = false;
 
     bool needsInit (eventCount_==0);
 
     if (prescaleService_) {
       std::string const & pathName = iEvent.moduleCallingContext()->placeInPathContext()->pathContext()->pathName();
       const unsigned int oldSet(prescaleSet_);
       const unsigned int oldPrescale(prescaleFactor_);
 
       edm::Handle<L1GlobalTriggerReadoutRecord> handle;
       iEvent.getByToken(gtDigiToken_,handle);
       if (handle.isValid()) {
         prescaleSet_ = handle->gtFdlWord().gtPrescaleFactorIndexAlgo();
         // gtPrescaleFactorIndexTech() is also available
         // by construction, they should always return the same index
         prescaleFactor_ = prescaleService_->getPrescale(prescaleSet_, pathName);
       } else {
         edm::LogWarning("HLT") << "Cannot read prescale column index from GT data: using default as defined by configuration or DAQ";
         prescaleFactor_ = prescaleService_->getPrescale(pathName);
       }
 
       if (prescaleSet_ != oldSet) {
         edm::LogInfo("ChangedPrescale")
           << "lumiBlockNb = " << iEvent.getLuminosityBlock().id().luminosityBlock()
       << ", set = " << prescaleSet_ << " [" << oldSet <<"]" 
           << ", path = "<< pathName
       << ": " << prescaleFactor_ << " [" <<oldPrescale<<"]";
         // reset the prescale counter
         needsInit = true;
       }
     }
 
     if (needsInit && (prescaleFactor_ != 0)) {
       // initialize the prescale counter to the first event number multiplied by a big "seed"
       offsetCount_ = ((uint64_t) (iEvent.id().event() + offsetPhase_) * prescaleSeed_) % prescaleFactor_;
     }
   }
 
   const bool result ( (prescaleFactor_ == 0) ? 
               false : ((eventCount_ + offsetCount_) % prescaleFactor_ == 0) );
 
   ++eventCount_;
   if (result) ++acceptCount_;
   return result;
 }

void HLTPrescaler::globalEndJob ( const trigger::Efficiency * efficiency )

static

Definition at line 139 of file HLTPrescaler.cc.

References accept(), trigger::Efficiency::acceptCount_, event(), trigger::Efficiency::eventCount_, and max().

 {
   unsigned int accept(efficiency->acceptCount_);
   unsigned int event (efficiency->eventCount_);
   edm::LogInfo("PrescaleSummary")
     << accept << "/" << event
     << " ("
     << 100.*accept/static_cast<double>(std::max(1u,event))
     << "% of events accepted).";
   return;
 }

static std::unique_ptr<trigger::Efficiency> HLTPrescaler::initializeGlobalCache ( edm::ParameterSet const & )

inlinestatic

Definition at line 43 of file HLTPrescaler.h.

                                                                                         {
     return std::unique_ptr<trigger::Efficiency>(new trigger::Efficiency());
   }

Member Data Documentation

unsigned int HLTPrescaler::acceptCount_

private

accept counter

Definition at line 75 of file HLTPrescaler.h.

Referenced by endStream(), and filter().

unsigned int HLTPrescaler::eventCount_

private

event counter

Definition at line 72 of file HLTPrescaler.h.

Referenced by endStream(), and filter().

edm::InputTag HLTPrescaler::gtDigiTag_

private

GT payload, to extract the prescale column index.

Definition at line 88 of file HLTPrescaler.h.

edm::EDGetTokenT<L1GlobalTriggerReadoutRecord> HLTPrescaler::gtDigiToken_

private

Definition at line 89 of file HLTPrescaler.h.

Referenced by filter().

bool HLTPrescaler::newLumi_

private

check for (re)initialization of the prescale

Definition at line 85 of file HLTPrescaler.h.

Referenced by beginLuminosityBlock(), and filter().

unsigned int HLTPrescaler::offsetCount_

private

initial offset

Definition at line 78 of file HLTPrescaler.h.

Referenced by filter().

unsigned int HLTPrescaler::offsetPhase_

private

Definition at line 79 of file HLTPrescaler.h.

Referenced by filter().

unsigned int HLTPrescaler::prescaleFactor_

private

accept one in prescaleFactor_; 0 means never to accept an event

Definition at line 69 of file HLTPrescaler.h.

Referenced by filter().

const unsigned int HLTPrescaler::prescaleSeed_ = 65537

staticprivate

"seed" used to initialize the prescale counter

Definition at line 93 of file HLTPrescaler.h.

Referenced by filter().

edm::service::PrescaleService* HLTPrescaler::prescaleService_

private

prescale service

Definition at line 82 of file HLTPrescaler.h.

Referenced by filter(), and HLTPrescaler().

unsigned int HLTPrescaler::prescaleSet_

private

l1 prescale set index

Definition at line 66 of file HLTPrescaler.h.

Referenced by filter().

Public Member Functions

Static Public Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation