WallClockTimer Class Reference

#include <WallClockTimer.hpp>

Inheritance diagram for WallClockTimer:

Collaboration diagram for WallClockTimer:

Public Types
using	clock = std::chrono::steady_clock

Public Member Functions
	WallClockTimer ()=default
	~WallClockTimer ()=default
void	Start () override
void	Stop () override
const char *	GetName () const override
std::vector< Measurement >	GetMeasurements () const override
Public Member Functions inherited from Instrument
virtual	~Instrument ()
virtual bool	HasKernelMeasurements () const

Static Public Attributes
static const std::string	WALL_CLOCK_TIME
static const std::string	WALL_CLOCK_TIME_START
static const std::string	WALL_CLOCK_TIME_STOP

Detailed Description

Definition at line 38 of file WallClockTimer.hpp.

Member Typedef Documentation

clock

using clock = std::chrono::steady_clock

Definition at line 60 of file WallClockTimer.hpp.

Constructor & Destructor Documentation

WallClockTimer()

WallClockTimer ( )

default

~WallClockTimer()

~WallClockTimer ( )

default

Member Function Documentation

GetMeasurements()

std::vector< Measurement > GetMeasurements ( ) const

overridevirtual

Implements Instrument.

Definition at line 30 of file WallClockTimer.cpp.

{
    const auto delta       = std::chrono::duration<double, std::micro>(m_Stop - m_Start);
    const auto startTimeMs = std::chrono::duration<double, std::micro>(m_Start.time_since_epoch());
    const auto stopTimeMs  = std::chrono::duration<double, std::micro>(m_Stop.time_since_epoch());
 
    return { { WALL_CLOCK_TIME,       delta.count(),       Measurement::Unit::TIME_US },
             { WALL_CLOCK_TIME_START, startTimeMs.count(), Measurement::Unit::TIME_US },
             { WALL_CLOCK_TIME_STOP,  stopTimeMs.count(),  Measurement::Unit::TIME_US } };
}

References Measurement::TIME_US, WALL_CLOCK_TIME, WALL_CLOCK_TIME_START, and WALL_CLOCK_TIME_STOP.

GetName()

const char * GetName ( ) const

overridevirtual

Implements Instrument.

Definition at line 15 of file WallClockTimer.cpp.

{
    return "WallClockTimer";
}

Start()

void Start ( )

overridevirtual

Implements Instrument.

Definition at line 20 of file WallClockTimer.cpp.

{
    m_Start = clock::now();
}

Stop()

void Stop ( )

overridevirtual

Implements Instrument.

Definition at line 25 of file WallClockTimer.cpp.

{
    m_Stop = clock::now();
}

Member Data Documentation

WALL_CLOCK_TIME

const std::string WALL_CLOCK_TIME

static

Definition at line 63 of file WallClockTimer.hpp.

Referenced by ProfilerImpl::AnalyzeEventSequenceAndWriteResults(), ProfilerImpl::CalculateProfilingEventStats(), and GetMeasurements().

WALL_CLOCK_TIME_START

const std::string WALL_CLOCK_TIME_START

static

Definition at line 64 of file WallClockTimer.hpp.

Referenced by ProfilerImpl::AnalyzeEventSequenceAndWriteResults(), and GetMeasurements().

WALL_CLOCK_TIME_STOP

const std::string WALL_CLOCK_TIME_STOP

static

Definition at line 65 of file WallClockTimer.hpp.

Referenced by ProfilerImpl::AnalyzeEventSequenceAndWriteResults(), and GetMeasurements().

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

• src/armnn/WallClockTimer.hpp
• src/armnn/WallClockTimer.cpp