CounterThread Class Reference

Concrete implimentation of Counter to monitor all algorithms executing on a single thread. More...

#include <CounterThread.h>

Inheritance diagram for CounterThread:

Collaboration diagram for CounterThread:

Public Member Functions
	CounterThread ()=delete
	Forbid default constructor.
	CounterThread (const std::string &name, const MonitorBase *parent)
	Construct counter.
virtual	~CounterThread ()=default
	Default destructor.
CounterThread &	operator= (const CounterThread &)=delete
	Forbid assignment.
	CounterThread (const CounterThread &)=delete
	Forbid copy.
virtual StatusCode	newEvent (const CostData &data, size_t index, const float weight=1.0) override
	Concrete implementation.
StatusCode	postProcess (float weight=1.0)
	Apply post-processing to the Counter, before endEvent is called.
uint64_t	getLowTimestamp () const
	Get the lowest timestamp of this single thread.
uint64_t	getHighTimestamp () const
	Get the highest timestamp of this single thread.
void	setAllThreadsTimestamps (uint64_t low, uint64_t high)
	Set the low and high timestamps over all threads.
const std::string &	getName () const
	Getter for Counter's name.
const MonitorBase *	getParent () const
	Return cached non-owning const ptr to this Counter's parent Monitor.
bool	variableExists (const std::string &name) const
	Check if a variable of a given name exists.
Variable &	getVariable (std::string_view name)
	Returns a mutable reference to a named Variable.
StatusCode	fill (std::string_view name, float value, float weight=1.0)
	Fill (for per-Call) or accumulate in a buffer (for per-Event) a quantity histogrammed by a named Variable.
StatusCode	fill (std::string_view name, float xvalue, float yvalue, float weight)
	Fill (for per-Call) or accumulate in a buffer (for per-Event) a quantity histogrammed by a named Variable.
StatusCode	increment (std::string_view name, float weight=1.0)
	Convenience function.
StatusCode	setDenominator (const std::string &name, float value)
	Optional for per-Event Variables.
virtual StatusCode	endEvent (float weight=1.0)
	Called by the framework.

Public Attributes
uint64_t	m_lowTimestamp
	Records the lowest timestamp seen on this single thread in an event.
uint64_t	m_highTimestamp
	Records the highest timestamp seen on this single thread in an event.
uint64_t	m_globalLowTimestamp
	Records the lowest timestamp seen over all threads in an event.
uint64_t	m_globalHighTimestamp
	Records the highest timestamp seen over all threads in an event.

Protected Member Functions
void	regHistogram (const std::string &name, const std::string &title, const VariableType type=VariableType::kPerCall, const LogType xaxis=kLog, const float min=0.1, const float max=1000000., const size_t bins=70)
	Book a histogram for this Counter, to be filled in per-event monitoring.
void	regHistogram (const std::string &name, const std::string &title, const VariableType type, const LogType xaxis, const float xmin, const float xmax, const size_t xbins, const LogType yaxis, const float ymin, const float ymax, const size_t ybins)
	Book a 2D histogram for this Counter, to be filled in per-event monitoring.
void	regTProfile (const std::string &name, const std::string &title, const VariableType type=VariableType::kPerCall, const LogType xaxis=kLog, const float min=0.1, const float max=1000000., const size_t bins=70)
	Book a TProfile for this Counter, to be filled in per-event monitoring.
TH1 *	bookGetPointer (TH1 *hist, const std::string &tDir="") const
	Appends Counter name (to histogram path) and forwards histogram book request to parent Monitor.
float	timeToMilliSec (const uint64_t start, const uint64_t stop) const
	Helper function.

Private Attributes
const std::string	m_name
	Counter's name.
const MonitorBase *	m_parent {}
	Counter's parent Monitor.
std::unordered_map< std::string, Variable, CxxUtils::TransparentStringHash, std::equal_to<> >	m_variables
	Store of Counter's Variables.

Detailed Description

Concrete implimentation of Counter to monitor all algorithms executing on a single thread.

Definition at line 14 of file CounterThread.h.

Constructor & Destructor Documentation

CounterThread() [1/3]

CounterThread::CounterThread ( )

delete

Forbid default constructor.

CounterThread() [2/3]

CounterThread::CounterThread	(	const std::string &	name,
		const MonitorBase *	parent )

Construct counter.

Parameters

[in]	name	Counter's name
[in]	parent	Counter's parent monitor, cached non-owning pointer.

Definition at line 9 of file CounterThread.cxx.

  : CounterBase(name, parent), m_lowTimestamp(std::numeric_limits<uint64_t>::max()), m_highTimestamp(0),
  m_globalLowTimestamp(std::numeric_limits<uint64_t>::max()), m_globalHighTimestamp(0)
{
  regHistogram("AlgTime_perEvent", "Algorithm CPU Time/Event;Time [ms];Events", VariableType::kPerEvent);
  regHistogram("FrameworkTime_perEvent", "Framework CPU Time/Event;Time [ms];Events", VariableType::kPerEvent);
  regHistogram("UnmonitoredTime_perEvent", "Unmonitored CPU Time/Event;Time [ms];Events", VariableType::kPerEvent);
  regHistogram("WallTime_perEvent", "Total walltime from HLT start to stop/Event;Time [ms];Events", VariableType::kPerEvent);
 
  regHistogram("AlgTime_perEventFractional", "Algorithm CPU Time Fractional;Fractional Time;Events", VariableType::kPerEvent, kLinear, 0., 1.);
  regHistogram("FrameworkTime_perEventFractional", "Framework Time/Event CPU Time Fractional;Fractional Time;Events", VariableType::kPerEvent, kLinear, 0., 1.);
  regHistogram("FrameworkTime_perEventFractional_vs_TotalTime_perEvent", "Framework Fractional Time vs Total Time/Event;Framework Time/Event CPU Time Fractional;Total Time/Event CPU Time Fractional;Events", VariableType::kPerEvent, kLinear, 0., 1., 70, kLog, 0.1, 1000000., 70);
  regHistogram("AlgTime_perEventFractional_vs_TotalTime_perEvent", "Algorithm Fractional Time vs Total Time/Event;Algorithm Time/Event CPU Time Fractional;Total Time/Event CPU Time Fractional;Events", VariableType::kPerEvent, kLinear, 0., 1., 70, kLog, 0.1, 1000000., 70);
  regHistogram("UnmonitoredTime_perEventFractional", "Unmonitored CPU Time Fractional;Fractional Time;Events", VariableType::kPerEvent, kLinear, 0., 1.);
 
  regHistogram("AlgCalls_perEvent", "Algorithm Calls/Event;Calls;Events", VariableType::kPerEvent, kLog, 0.5, 10000.5, 500);
  regHistogram("ThisAlgCalls_perEvent", "This Event Algorithm Calls/Event;Calls;Events", VariableType::kPerEvent, kLog, 0.5, 10000.5, 500);
  regHistogram("OtherAlgCalls_perEvent", "Other Event Algorithm Calls/Event;Calls;Events", VariableType::kPerEvent, kLog, 0.5, 10000.5, 500);
  regHistogram("AlgSlot_perCall", "Algorithm Slot/Call;Slot;Calls", VariableType::kPerCall, kLinear, -0.5, 20.5, 21);
 
}

~CounterThread()

virtual CounterThread::~CounterThread ( )

virtualdefault

Default destructor.

CounterThread() [3/3]

CounterThread::CounterThread ( const CounterThread & )

delete

Forbid copy.

Member Function Documentation

bookGetPointer()

TH1 * CounterBase::bookGetPointer ( TH1 * hist, const std::string & tDir = "" ) const

protectedinherited

Appends Counter name (to histogram path) and forwards histogram book request to parent Monitor.

Parameters

[in]	hist	Bare pointer to histogram. Ownership transferred to THistSvc.
[in]	tDir	Histogram name & directory.

Returns

Cached pointer to histogram. Used to fill histogram without having to perform THishSvc lookup.

Definition at line 235 of file CounterBase.cxx.

                                                                       {
  std::string dir = getName();
  if (tDir != "") {
    dir += "/";
    dir += tDir;
  }
  return getParent()->bookGetPointer(hist, dir);
}

endEvent()

StatusCode CounterBase::endEvent ( float weight = 1.0 )

virtualinherited

Called by the framework.

Causes per-Event Variables to fill their histograms with their accumulated data.

Definition at line 227 of file CounterBase.cxx.

                                      {
  for (auto& nameVariablePair : m_variables) {
    ATH_CHECK( nameVariablePair.second.endEvent() );
  }
  return StatusCode::SUCCESS;
}

fill() [1/2]

StatusCode CounterBase::fill ( std::string_view name, float value, float weight = 1.0 )

inherited

Fill (for per-Call) or accumulate in a buffer (for per-Event) a quantity histogrammed by a named Variable.

Parameters

[in]	name	Variable to increment
[in]	value	The payload value
[in]	weight	Global event weight

Definition at line 193 of file CounterBase.cxx.

                                                                           {
  auto it = m_variables.find(name);
  if (it == m_variables.end()) {
    return StatusCode::FAILURE;
  }
  ATH_CHECK( it->second.fill(value, weight) );
  return StatusCode::SUCCESS;
}

fill() [2/2]

StatusCode CounterBase::fill ( std::string_view name, float xvalue, float yvalue, float weight )

inherited

Fill (for per-Call) or accumulate in a buffer (for per-Event) a quantity histogrammed by a named Variable.

Parameters

[in]	name	Variable to increment
[in]	xvalue	The payload x-axis value
[in]	yvalue	The payload y-axis value
[in]	weight	Global event weight

Definition at line 202 of file CounterBase.cxx.

                                                                                           {
  auto it = m_variables.find(name);
  if (it == m_variables.end()) {
    return StatusCode::FAILURE;
  }
  ATH_CHECK( it->second.fill(xvalue, yvalue, weight) );
  return StatusCode::SUCCESS;
}

getHighTimestamp()

uint64_t CounterThread::getHighTimestamp

(

)

const

Get the highest timestamp of this single thread.

Definition at line 102 of file CounterThread.cxx.

                                               {
  return m_highTimestamp;
}

getLowTimestamp()

uint64_t CounterThread::getLowTimestamp

(

)

const

Get the lowest timestamp of this single thread.

Definition at line 97 of file CounterThread.cxx.

                                              {
  return m_lowTimestamp;
}

getName()

const std::string & CounterBase::getName ( ) const

inherited

Getter for Counter's name.

Returns

Counter's name const string reference.

Definition at line 19 of file CounterBase.cxx.

                                            {
  return m_name;
}

getParent()

const MonitorBase * CounterBase::getParent ( ) const

inherited

Return cached non-owning const ptr to this Counter's parent Monitor.

Returns

Cached pointer parent Monitor.

Definition at line 24 of file CounterBase.cxx.

                                                {
  return m_parent;
}

getVariable()

Variable & CounterBase::getVariable ( std::string_view name )

inherited

Returns a mutable reference to a named Variable.

Throws if no such Variable exists. Used when more complicated logic is needed on a Variable than simply using the fill() method.

Parameters

[in]

name

Variable to return

Returns

Mutable reference to Variable

Definition at line 184 of file CounterBase.cxx.

                                                      {
  auto it = m_variables.find(name);
  if (it == m_variables.end()) {
    throw std::runtime_error( std::format("CounterBase::getVariable: No variable with name {}", name) );
  }
  return (it->second);
}

increment()

StatusCode CounterBase::increment ( std::string_view name, float weight = 1.0 )

inherited

Convenience function.

Equivalent to fill(name, 1.0, weight);

Parameters

[in]	name	Variable to increment
[in]	weight	Global event weight

Definition at line 222 of file CounterBase.cxx.

                                                                   {
  return fill(name, 1.0, weight);
}

newEvent()

StatusCode CounterThread::newEvent ( const CostData & data, size_t index, const float weight = 1.0 )

overridevirtual

Concrete implementation.

Monitores algorithm at specified index for this counter's thread.

Parameters

[in]	data	Access to event data
[in]	index	Index within appropriate event data container which is to be analysed by this Counter
[in]	weight	Global event weight

Implements CounterBase.

Definition at line 32 of file CounterThread.cxx.

                                                                                         {
  const xAOD::TrigComposite* alg = data.costCollection().at(index);
 
  const uint64_t start = alg->getDetail<uint64_t>("start"); // in mus
  const uint64_t stop  = alg->getDetail<uint64_t>("stop"); // in mus
  const uint32_t slot  = alg->getDetail<uint32_t>("slot");
  const float cpuTime = timeToMilliSec(start, stop);
  ATH_CHECK( fill("AlgTime_perEvent", cpuTime, weight) );
  ATH_CHECK( fill("AlgTime_perEventFractional", cpuTime, weight) );  
  ATH_CHECK( increment("AlgCalls_perEvent", weight) );
  if (slot == 0) {
    ATH_CHECK( increment("ThisAlgCalls_perEvent", weight) );
  } else {
    ATH_CHECK( increment("OtherAlgCalls_perEvent", weight) );
  }
  ATH_CHECK( fill("AlgSlot_perCall", slot, weight) );
  m_lowTimestamp = std::min(m_lowTimestamp, start);
  m_highTimestamp = std::max(m_highTimestamp, stop);
 
  return StatusCode::SUCCESS;
}

operator=()

CounterThread & CounterThread::operator= ( const CounterThread & )

delete

Forbid assignment.

postProcess()

StatusCode CounterThread::postProcess

(

float

weight = 1.0

)

Apply post-processing to the Counter, before endEvent is called.

Parameters

[in]

weight

Global event weight

Definition at line 54 of file CounterThread.cxx.

                                                  {
  // Total time from start of HLTSeeding to "stop" of SummaryMaker.
  const float eventTime = timeToMilliSec(m_globalLowTimestamp, m_globalHighTimestamp);
  
  // We know that we may loose data on algs which started executing before the HLTSeeding triggered the data collection.
  // But we truncate the data for algs which are running still when we stop collecting data.
  float unmonitoredTime = 0;
  if (m_highTimestamp > 0) {
    const float unmonitoredStart = timeToMilliSec(m_globalLowTimestamp, m_lowTimestamp);
    const float unmonitoredEnd = timeToMilliSec(m_highTimestamp, m_globalHighTimestamp);
    unmonitoredTime = unmonitoredStart + unmonitoredEnd;
    // As of T12, unmonitoredEnd should be zero due to truncating this record online.
  }
 
  // Time spent outside of any algorithm. E.g. in Gaudi
  const float frameworkTime = eventTime - unmonitoredTime - getVariable("AlgTime_perEvent").getAccumulator();
 
  ATH_CHECK( fill("UnmonitoredTime_perEvent", unmonitoredTime, weight) );
  ATH_CHECK( fill("UnmonitoredTime_perEventFractional", unmonitoredTime, weight) );
 
  ATH_CHECK( fill("FrameworkTime_perEvent", frameworkTime, weight) );
  ATH_CHECK( fill("FrameworkTime_perEventFractional", frameworkTime, weight) );
 
  ATH_CHECK( fill("WallTime_perEvent", eventTime, weight) );
 
  ATH_CHECK( setDenominator("AlgTime_perEventFractional", eventTime) );
  ATH_CHECK( setDenominator("FrameworkTime_perEventFractional", eventTime) );
  ATH_CHECK( setDenominator("UnmonitoredTime_perEventFractional", eventTime) );
 
  ATH_CHECK( fill("FrameworkTime_perEventFractional_vs_TotalTime_perEvent", frameworkTime, eventTime, weight) );
  ATH_CHECK( fill("AlgTime_perEventFractional_vs_TotalTime_perEvent", getVariable("AlgTime_perEvent").getAccumulator(), eventTime, weight) );
  ATH_CHECK( setDenominator("FrameworkTime_perEventFractional_vs_TotalTime_perEvent", eventTime) );
  ATH_CHECK( setDenominator("AlgTime_perEventFractional_vs_TotalTime_perEvent", eventTime) );
 
  m_lowTimestamp = std::numeric_limits<uint64_t>::max();
  m_highTimestamp = 0;
  m_globalLowTimestamp = std::numeric_limits<uint64_t>::max();
  m_globalHighTimestamp = 0;
 
  return StatusCode::SUCCESS; 
}

regHistogram() [1/2]

void CounterBase::regHistogram ( const std::string & name, const std::string & title, const VariableType type, const LogType xaxis, const float xmin, const float xmax, const size_t xbins, const LogType yaxis, const float ymin, const float ymax, const size_t ybins )

protectedinherited

Book a 2D histogram for this Counter, to be filled in per-event monitoring.

Parameters

[in]	name	The name of the histogram (and corresponding Variable)
[in]	title	ROOT histogram title string in format "title;xaxis;yaxis"
[in]	xaxis	Controls if the x-axis should use fixed-width or logarithmic bin boundaries.
[in]	xmin	X-axis minimum bound.
[in]	xmax	X-axis maximum bound.
[in]	xbins	Number of histogram bins.
[in]	yaxis	Controls if the y-axis should use fixed-width or logarithmic bin boundaries.
[in]	ymin	Y-axis minimum bound.
[in]	ymax	Y-axis maximum bound.
[in]	ybins	Number of histogram bins.

Definition at line 111 of file CounterBase.cxx.

{
  std::string hisSvcName = getParent()->getParent()->getName() + "_" + getParent()->getName() + "_" + getName() + "_" + name;
  std::unique_ptr<TH2F> hist;
 
  if (xmax <= xmin || ymax <= ymin || xbins == 0 || ybins == 0) {
    throw std::runtime_error("CounterBase::regHistogram: Cannot have max <= min or bins == 0");
  }
 
  if (xaxis == kLinear && yaxis == kLinear) {
    hist = std::make_unique<TH2F>(hisSvcName.c_str(), title.c_str(), xbins, xmin, xmax, ybins, ymin, ymax);
  } else if (xaxis == kLog || yaxis == kLog) {
    if ( (xaxis == kLog && xmin <= 0) || (yaxis == kLog && ymin <= 0) ) {
      throw std::runtime_error("CounterBase::regHistogram: Cannot have min <= 0 with log binning");
    }
    std::unique_ptr<double[]> xlogbins = std::make_unique<double[]>(xbins+1);
    std::unique_ptr<double[]> ylogbins = std::make_unique<double[]>(ybins+1);
    if (xaxis == kLog){
      const double xlogmin = log10(xmin);
      const double xlogmax = log10(xmax);
      const double dlogx   = (xlogmax-xlogmin)/((double)xbins);
      for (size_t i = 0; i <= xbins; ++i) { 
        const double xlog = xlogmin + i*dlogx;
        xlogbins[i] = exp( log(10) * xlog ); 
      }
    } else {
      const double dx = (xmax-xmin)/((double)xbins);
      for (size_t i = 0; i <= xbins; ++i) {
        xlogbins[i] = xmin + i*dx; 
      }
    }
 
    if (yaxis == kLog){
      const double ylogmin = log10(ymin);
      const double ylogmax = log10(ymax);
      const double dlogy   = (ylogmax-ylogmin)/((double)ybins);
      for (size_t i = 0; i <= ybins; ++i) { 
        const double ylog = ylogmin + i*dlogy;
        ylogbins[i] = exp( log(10) * ylog ); 
      }
    } else {
      const double dy = (ymax-ymin)/((double)ybins);
      for (size_t i = 0; i <= ybins; ++i) {
        ylogbins[i] = ymin + i*dy; 
      }
    }
 
    hist = std::make_unique<TH2F>(hisSvcName.c_str(), title.c_str(), xbins, xlogbins.get(), ybins, ylogbins.get());
  } else {
    throw std::runtime_error("CounterBase::regHistogram: Unknown logarithm flag");
  }
 
  m_variables.emplace(std::piecewise_construct,
    std::forward_as_tuple(name),
    std::forward_as_tuple(name, bookGetPointer(hist.release()), type)
  );
  // Histogram is now owned by THistSvc. A cache of the ptr is kept in the Variable
}

regHistogram() [2/2]

void CounterBase::regHistogram ( const std::string & name, const std::string & title, const VariableType type = VariableType::kPerCall, const LogType xaxis = kLog, const float min = 0.1, const float max = 1000000., const size_t bins = 70 )

protectedinherited

Book a histogram for this Counter, to be filled in per-event monitoring.

Parameters

[in]	name	The name of the histogram (and corresponding Variable)
[in]	title	ROOT histogram title string in format "title;xaxis;yaxis"
[in]	xaxis	Controls if the x-axis should use fixed-width or logarithmic bin boundaries.
[in]	min	X-axis minimum bound.
[in]	max	X-axis maximum bound.
[in]	bins	Number of histogram bins.

Definition at line 29 of file CounterBase.cxx.

{
  std::string hisSvcName = getParent()->getParent()->getName() + "_" + getParent()->getName() + "_" + getName() + "_" + name;
  std::unique_ptr<TH1F> hist;
 
  if (max <= min || bins == 0) {
    throw std::runtime_error("CounterBase::regHistogram: Cannot have max <= min or bins == 0");
  }
 
  if (xaxis == kLinear) {
    hist = std::make_unique<TH1F>(hisSvcName.c_str(), title.c_str(), bins, min, max);
  } else if (xaxis == kLog) {
    if (min <= 0) {
      throw std::runtime_error("CounterBase::regHistogram: Cannot have min <= 0 with log binning");
    }
    std::unique_ptr<double[]> xbins = std::make_unique<double[]>(bins+1);
    const double xlogmin = log10(min);
    const double xlogmax = log10(max);
    const double dlogx   = (xlogmax-xlogmin)/((double)bins);
    for (size_t i = 0; i <= bins; ++i) { 
      const double xlog = xlogmin + i*dlogx;
      xbins[i] = exp( log(10) * xlog ); 
    }
    hist = std::make_unique<TH1F>(hisSvcName.c_str(), title.c_str(), bins, xbins.get());
  } else {
    throw std::runtime_error("CounterBase::regHistogram: Unknown logarithm flag");
  }
 
  m_variables.emplace(std::piecewise_construct,
    std::forward_as_tuple(name),
    std::forward_as_tuple(name, bookGetPointer(hist.release()), type)
  );
  // Histogram is now owned by THistSvc. A cache of the ptr is kept in the Variable
}

regTProfile()

void CounterBase::regTProfile ( const std::string & name, const std::string & title, const VariableType type = VariableType::kPerCall, const LogType xaxis = kLog, const float min = 0.1, const float max = 1000000., const size_t bins = 70 )

protectedinherited

Book a TProfile for this Counter, to be filled in per-event monitoring.

Parameters

[in]	name	The name of the histogram (and corresponding Variable)
[in]	title	ROOT histogram title string in format "title;xaxis;yaxis"
[in]	xaxis	Controls if the x-axis should use fixed-width or logarithmic bin boundaries.
[in]	min	X-axis minimum bound.
[in]	max	X-axis maximum bound.
[in]	bins	Number of histogram bins.

Definition at line 70 of file CounterBase.cxx.

{
  std::string hisSvcName = getParent()->getParent()->getName() + "_" + getParent()->getName() + "_" + getName() + "_" + name;
  std::unique_ptr<TProfile> hist;
 
  if (max <= min || bins == 0) {
    throw std::runtime_error("CounterBase::regTProfile: Cannot have max <= min or bins == 0");
  }
 
  if (xaxis == kLinear) {
    hist = std::make_unique<TProfile>(hisSvcName.c_str(), title.c_str(), bins, min, max);
  } else if (xaxis == kLog) {
    if (min <= 0) {
      throw std::runtime_error("CounterBase::regTProfile: Cannot have min <= 0 with log binning");
    }
    std::unique_ptr<double[]> xbins = std::make_unique<double[]>(bins+1);
    const double xlogmin = log10(min);
    const double xlogmax = log10(max);
    const double dlogx   = (xlogmax-xlogmin)/((double)bins);
    for (size_t i = 0; i <= bins; ++i) { 
      const double xlog = xlogmin + i*dlogx;
      xbins[i] = exp( log(10) * xlog ); 
    }
    hist = std::make_unique<TProfile>(hisSvcName.c_str(), title.c_str(), bins, xbins.get());
  } else {
    throw std::runtime_error("CounterBase::regTProfile: Unknown logarithm flag");
  }
 
  m_variables.emplace(std::piecewise_construct,
    std::forward_as_tuple(name),
    std::forward_as_tuple(name, bookGetPointer(hist.release()), type)
  );
  // Histogram is now owned by THistSvc. A cache of the ptr is kept in the Variable
}

setAllThreadsTimestamps()

void CounterThread::setAllThreadsTimestamps	(	uint64_t	low,
		uint64_t	high )

Set the low and high timestamps over all threads.

Definition at line 107 of file CounterThread.cxx.

                                                                       {
  m_globalLowTimestamp = low;
  m_globalHighTimestamp = high;
}

setDenominator()

StatusCode CounterBase::setDenominator ( const std::string & name, float value )

inherited

Optional for per-Event Variables.

Sets a denominator to divide the value through by before filling.

Parameters

[in]	name	Variable to set the denominator for.
[in]	value	The denominator

Definition at line 212 of file CounterBase.cxx.

                                                                         {
  auto it = m_variables.find(name);
  if (it == m_variables.end()) {
    return StatusCode::FAILURE;
  }
  it->second.setDenominator(value);
  return StatusCode::SUCCESS;
}

timeToMilliSec()

float CounterBase::timeToMilliSec ( const uint64_t start, const uint64_t stop ) const

protectedinherited

Helper function.

Compute the time difference in discreet microseconds and covert to fractional milliseconds.

Returns

Time difference in milliseconds, floating point.

Definition at line 245 of file CounterBase.cxx.

                                                                                 {
  if (stop < start) {
    throw std::runtime_error("Asked for a stop time " + std::to_string(stop) + " which is before the start time " + std::to_string(start));
  }
  const uint64_t difference = stop - start;
  return (difference * 1e-3); // micro to ms
}

variableExists()

bool CounterBase::variableExists ( const std::string & name ) const

inherited

Check if a variable of a given name exists.

Parameters

[in]

name

Name of Variable.

Returns

True if variable already exists.

Definition at line 180 of file CounterBase.cxx.

                                                            {
  return m_variables.contains(name);
}

Member Data Documentation

m_globalHighTimestamp

uint64_t CounterThread::m_globalHighTimestamp

Records the highest timestamp seen over all threads in an event.

Definition at line 76 of file CounterThread.h.

m_globalLowTimestamp

uint64_t CounterThread::m_globalLowTimestamp

Records the lowest timestamp seen over all threads in an event.

Definition at line 75 of file CounterThread.h.

m_highTimestamp

uint64_t CounterThread::m_highTimestamp

Records the highest timestamp seen on this single thread in an event.

Definition at line 73 of file CounterThread.h.

m_lowTimestamp

uint64_t CounterThread::m_lowTimestamp

Records the lowest timestamp seen on this single thread in an event.

Definition at line 72 of file CounterThread.h.

m_name

const std::string CounterBase::m_name

privateinherited

Counter's name.

Definition at line 210 of file CounterBase.h.

m_parent

const MonitorBase* CounterBase::m_parent {}

privateinherited

Counter's parent Monitor.

Cached non-owning const pointer.

Definition at line 211 of file CounterBase.h.

{}; 

m_variables

std::unordered_map< std::string, Variable, CxxUtils::TransparentStringHash, std::equal_to<> > CounterBase::m_variables

privateinherited

Store of Counter's Variables.

These wrap a histogram pointer. Keyed by name.

Definition at line 212 of file CounterBase.h.

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

• CounterThread.h
• CounterThread.cxx