BenchmarkListener class Simple event/run listener getting memory/proc statistics on callback. More...

Inheritance diagram for BenchmarkListener:

Public Member Functions
	BenchmarkListener (const BenchmarkListener &)=delete

BenchmarkListener &	operator= (const BenchmarkListener &)=delete

	BenchmarkListener (const std::string &fname)
	Constructor. More...

	~BenchmarkListener ()
	Destructor. More...

void	processEvent (EVENT::LCEvent *evt)
	Extract and fill benchmark variables. More...

void	getVariables (EVENT::LCEvent *event)
	Extract benchmark variables. More...

void	write ()
	Write benchmarks to ROOT file. More...

Public Member Functions inherited from IO::LCEventListener
virtual	~LCEventListener ()
	Destructor. More...

Public Member Functions inherited from IO::LCRunListener
virtual	~LCRunListener ()
	Destructor. More...

Private Member Functions
void	modifyEvent (EVENT::LCEvent *)
	Call back for updating an LCEvent. More...

void	processRunHeader (EVENT::LCRunHeader *)
	Call back for processing an LCRunHeader. More...

void	modifyRunHeader (EVENT::LCRunHeader *)
	Call back for modifying an existing LCRunHeader. More...

Private Attributes
std::shared_ptr< TFile >	m_pTFile {nullptr}
	Output root file with benchmarking info. More...

TTree *	m_pTTree {nullptr}
	Output ROOT tree. More...

IO::LCWriter *	m_lcWriter {nullptr}
	LCIO output file writer. More...

std::stringstream	m_lcioOutputFileName {}
	The LCIO output file name. More...

Float_t	m_readTime {0}
	Event reading time. More...

clock_t	m_firstClock {0}
	The first clock measurement on instance creation. More...

clock_t	m_lastClock {0}
	The last clock measurement on processEvent() More...

Long_t	m_residentMemoryReference {0}
	The resident set size on instance creation (reference) More...

Long_t	m_readResidentMemory {0}
	The resident set size after reading an event (minus reference) More...

Int_t	m_entry {0}
	The current entry id while filling the tree (for easy plotting) More...

Float_t	m_writeTime {0}
	The event write time. More...

Long_t	m_writeRSS {0}
	The resisdent set size after writing. More...

Long_t	m_procRSS {0}
	The process resident set size taken in processEvent callback. More...

Detailed Description

BenchmarkListener class Simple event/run listener getting memory/proc statistics on callback.

Definition at line 24 of file lcio_io_benchmark.cc.

Constructor & Destructor Documentation

BenchmarkListener::BenchmarkListener ( const BenchmarkListener & )

delete

BenchmarkListener::BenchmarkListener ( const std::string & fname )

inline

Constructor.

Parameters

fname the ROOT output file with statistics

Definition at line 34 of file lcio_io_benchmark.cc.

References std::string::c_str(), std::clock(), and std::endl().

BenchmarkListener::~BenchmarkListener ( )

inline

Destructor.

Definition at line 63 of file lcio_io_benchmark.cc.

References std::endl().

Member Function Documentation

void BenchmarkListener::getVariables ( EVENT::LCEvent * event )

inline

Extract benchmark variables.

Parameters

event the event to process

Definition at line 86 of file lcio_io_benchmark.cc.

References std::clock().

void BenchmarkListener::modifyEvent ( EVENT::LCEvent * evt )

inlineprivatevirtual

Call back for updating an LCEvent.

Here all modifications are allowed. Only use this method if you need to remove a collection from the event or you need to modify (fix) exisiting data.

Implements IO::LCEventListener.

Definition at line 118 of file lcio_io_benchmark.cc.

void BenchmarkListener::modifyRunHeader ( EVENT::LCRunHeader * rh )

inlineprivatevirtual

Call back for modifying an existing LCRunHeader.

Implements IO::LCRunListener.

Definition at line 120 of file lcio_io_benchmark.cc.

BenchmarkListener& BenchmarkListener::operator= ( const BenchmarkListener & )

delete

void BenchmarkListener::processEvent ( EVENT::LCEvent * evt )

inlinevirtual

Extract and fill benchmark variables.

Parameters

evt	the event to process

Implements IO::LCEventListener.

Definition at line 76 of file lcio_io_benchmark.cc.

void BenchmarkListener::processRunHeader ( EVENT::LCRunHeader * rh )

inlineprivatevirtual

Call back for processing an LCRunHeader.

Access is 'read only'.

Implements IO::LCRunListener.

Definition at line 119 of file lcio_io_benchmark.cc.

void BenchmarkListener::write ( )

inline

Write benchmarks to ROOT file.

Definition at line 110 of file lcio_io_benchmark.cc.

Referenced by main().

Member Data Documentation

Int_t BenchmarkListener::m_entry {0}

private

The current entry id while filling the tree (for easy plotting)

Definition at line 142 of file lcio_io_benchmark.cc.

clock_t BenchmarkListener::m_firstClock {0}

private

The first clock measurement on instance creation.

Definition at line 134 of file lcio_io_benchmark.cc.

clock_t BenchmarkListener::m_lastClock {0}

private

The last clock measurement on processEvent()

Definition at line 136 of file lcio_io_benchmark.cc.

std::stringstream BenchmarkListener::m_lcioOutputFileName {}

private

The LCIO output file name.

Definition at line 130 of file lcio_io_benchmark.cc.

IO::LCWriter* BenchmarkListener::m_lcWriter {nullptr}

private

LCIO output file writer.

Definition at line 128 of file lcio_io_benchmark.cc.

Long_t BenchmarkListener::m_procRSS {0}

private

The process resident set size taken in processEvent callback.

Definition at line 148 of file lcio_io_benchmark.cc.

std::shared_ptr<TFile> BenchmarkListener::m_pTFile {nullptr}

private

Output root file with benchmarking info.

Definition at line 124 of file lcio_io_benchmark.cc.

TTree* BenchmarkListener::m_pTTree {nullptr}

private

Output ROOT tree.

Definition at line 126 of file lcio_io_benchmark.cc.

Long_t BenchmarkListener::m_readResidentMemory {0}

private

The resident set size after reading an event (minus reference)

Definition at line 140 of file lcio_io_benchmark.cc.

Float_t BenchmarkListener::m_readTime {0}

private

Event reading time.

Definition at line 132 of file lcio_io_benchmark.cc.

Long_t BenchmarkListener::m_residentMemoryReference {0}

private

The resident set size on instance creation (reference)

Definition at line 138 of file lcio_io_benchmark.cc.

Long_t BenchmarkListener::m_writeRSS {0}

private

The resisdent set size after writing.

Definition at line 146 of file lcio_io_benchmark.cc.

Float_t BenchmarkListener::m_writeTime {0}

private

The event write time.

Definition at line 144 of file lcio_io_benchmark.cc.

The documentation for this class was generated from the following file:

/afs/desy.de/user/d/dudarboh/iLCSoft/LCIO/src/cpp/src/EXAMPLE/lcio_io_benchmark.cc

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation