Inheritance diagram for HLTLevel1Activity:

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)
	HLTLevel1Activity (const edm::ParameterSet &)
	~HLTLevel1Activity ()
Private Attributes
std::vector< int >	m_bunchCrossings
unsigned int	m_daqPartitions
edm::InputTag	m_gtReadoutRecord
bool	m_ignoreL1Mask
bool	m_invert
std::vector< bool >	m_maskedPhysics
std::vector< bool >	m_maskedTechnical
std::vector< bool >	m_selectPhysics
std::vector< bool >	m_selectTechnical
edm::ESWatcher < L1GtTriggerMaskAlgoTrigRcd >	m_watchPhysicsMask
edm::ESWatcher < L1GtTriggerMaskTechTrigRcd >	m_watchTechnicalMask

Detailed Description

This class is an HLTFilter (-> EDFilter) that checks if there was any L1 activity It can be configured to

look at different bunch crossings
use or ignore the L1 trigger mask
only look at a subset of the L1 bits

Date:: 2011/02/23 17:03:00

Revision:: 1.11

Author:: Andrea Bocci

Definition at line 35 of file HLTLevel1Activity.cc.

Constructor & Destructor Documentation

HLTLevel1Activity::HLTLevel1Activity ( const edm::ParameterSet & config ) [explicit]

Definition at line 67 of file HLTLevel1Activity.cc.

References edm::ParameterSet::getParameter(), i, m_maskedPhysics, m_maskedTechnical, m_selectPhysics, and m_selectTechnical.

                                                                   :
  m_gtReadoutRecord( config.getParameter<edm::InputTag>     ("L1GtReadoutRecordTag") ),
  m_bunchCrossings(  config.getParameter<std::vector<int> > ("bunchCrossings") ),
  m_selectPhysics(   PHYSICS_BITS_SIZE ),
  m_selectTechnical( TECHNICAL_BITS_SIZE ),
  m_maskedPhysics(   PHYSICS_BITS_SIZE ),
  m_maskedTechnical( TECHNICAL_BITS_SIZE ),
  m_daqPartitions(   config.getParameter<unsigned int>      ("daqPartitions") ),
  m_ignoreL1Mask(    config.getParameter<bool>              ("ignoreL1Mask") ),
  m_invert(          config.getParameter<bool>              ("invert") )
{
  unsigned long long low  = config.getParameter<unsigned long long>("physicsLoBits");
  unsigned long long high = config.getParameter<unsigned long long>("physicsHiBits");
  unsigned long long tech = config.getParameter<unsigned long long>("technicalBits");
  for (unsigned int i = 0; i < 64; i++) {
    m_selectPhysics[i]    = low  & (0x01ULL << (unsigned long long) i);
    m_maskedPhysics[i]    = low  & (0x01ULL << (unsigned long long) i);
  }
  for (unsigned int i = 0; i < 64; i++) {
    m_selectPhysics[i+64] = high & (0x01ULL << (unsigned long long) i);
    m_maskedPhysics[i+64] = high & (0x01ULL << (unsigned long long) i);
  }
  for (unsigned int i = 0; i < 64; i++) {
    m_selectTechnical[i]  = tech & (0x01ULL << (unsigned long long) i);
    m_maskedTechnical[i]  = tech & (0x01ULL << (unsigned long long) i);
  }
}

HLTLevel1Activity::~HLTLevel1Activity ( )

Definition at line 95 of file HLTLevel1Activity.cc.

{
}

Member Function Documentation

bool HLTLevel1Activity::filter	(	edm::Event &	event,
		const edm::EventSetup &	setup
	)		`[virtual]`

Implements HLTFilter.

Definition at line 105 of file HLTLevel1Activity.cc.

References edm::ESWatcher< T >::check(), edm::EventSetup::get(), i, m_bunchCrossings, m_daqPartitions, m_gtReadoutRecord, m_ignoreL1Mask, m_invert, m_maskedPhysics, m_maskedTechnical, m_selectPhysics, m_selectTechnical, m_watchPhysicsMask, m_watchTechnicalMask, PHYSICS_BITS_SIZE, and TECHNICAL_BITS_SIZE.

{
  // apply L1 mask to the physics bits
  //  - mask & partition == part. --> fully masked
  //  - mask & partition == 0x00  --> fully unmasked
  //  - mask & partition != part. --> unmasked in some partitions, consider as unmasked
  if (not m_ignoreL1Mask and m_watchPhysicsMask.check(setup)) {
    edm::ESHandle<L1GtTriggerMask> h_mask;
    setup.get<L1GtTriggerMaskAlgoTrigRcd>().get(h_mask);
    const std::vector<unsigned int> & mask = h_mask->gtTriggerMask();
    for (unsigned int i = 0; i < PHYSICS_BITS_SIZE; ++i)
      m_maskedPhysics[i] = m_selectPhysics[i] and ((mask[i] & m_daqPartitions) != m_daqPartitions);
  }
  
  // apply L1 mask to the technical bits
  //  - mask & partition == part. --> fully masked
  //  - mask & partition == 0x00  --> fully unmasked
  //  - mask & partition != part. --> unmasked in some partitions, consider as unmasked
  if (not m_ignoreL1Mask and m_watchTechnicalMask.check(setup)) {
    edm::ESHandle<L1GtTriggerMask> h_mask;
    setup.get<L1GtTriggerMaskTechTrigRcd>().get(h_mask);
    const std::vector<unsigned int> & mask = h_mask->gtTriggerMask();
    for (unsigned int i = 0; i < TECHNICAL_BITS_SIZE; ++i)
      m_maskedTechnical[i] = m_selectTechnical[i] and ((mask[i] & m_daqPartitions) != m_daqPartitions);
  }

  // access the L1 decisions
  edm::Handle<L1GlobalTriggerReadoutRecord> h_gtReadoutRecord;
  event.getByLabel(m_gtReadoutRecord, h_gtReadoutRecord);

  // compare the results with the requested bits, and return true as soon as the first match is found
  BOOST_FOREACH(int bx, m_bunchCrossings) {
    const std::vector<bool> & physics = h_gtReadoutRecord->decisionWord(bx);
    if (physics.size() != PHYSICS_BITS_SIZE)
      // error in L1 results
      return m_invert;
    for (unsigned int i = 0; i < PHYSICS_BITS_SIZE; ++i)
      if (m_maskedPhysics[i] and physics[i])
        return not m_invert;
    const std::vector<bool> & technical = h_gtReadoutRecord->technicalTriggerWord(bx);
    if (technical.size() != TECHNICAL_BITS_SIZE)
      // error in L1 results
      return m_invert;
    for (unsigned int i = 0; i < TECHNICAL_BITS_SIZE; ++i)
      if (m_maskedTechnical[i] and technical[i])
        return not m_invert;
  }
 
  return m_invert; 
}