Arcane::HWLocProcessorAffinityService Class Reference

Inheritance diagram for Arcane::HWLocProcessorAffinityService:

Collaboration diagram for Arcane::HWLocProcessorAffinityService:

Public Member Functions
	HWLocProcessorAffinityService (const ServiceBuildInfo &sbi)
	HWLocProcessorAffinityService (ITraceMng *tm)
void	build () override
void	printInfos () override
	Displays complete topology information via info().
String	cpuSetString () override
	Returns the cpuset for the current thread.
void	bindThread (Int32 cpu) override
	Constrains the current thread to stay on the core with index cpu.
Int32	numberOfCore () override
	Number of CPU cores (-1 if unknown).
Int32	numberOfSocket () override
	Number of sockets (-1 if unknown).
Int32	numberOfProcessingUnit () override
	Number of logical cores (-1 if unknown).
Public Member Functions inherited from Arcane::TraceAccessor
	TraceAccessor (ITraceMng *m)
	Constructs an accessor via the trace manager m.
	TraceAccessor (const TraceAccessor &rhs)
	Copy constructor.
TraceAccessor &	operator= (const TraceAccessor &rhs)
	Copy assignment operator.
virtual	~TraceAccessor ()
	Frees resources.
ITraceMng *	traceMng () const
	Trace manager.
TraceMessage	info () const
	Flow for an information message.
TraceMessage	pinfo () const
	Flow for a parallel information message.
TraceMessage	info (char category) const
	Flow for an information message of a given category.
TraceMessage	pinfo (char category) const
	Flow for a parallel information message of a given category.
TraceMessage	info (bool v) const
	Flow for an information message.
TraceMessage	warning () const
	Flow for a warning message.
TraceMessage	pwarning () const
TraceMessage	error () const
	Flow for an error message.
TraceMessage	perror () const
TraceMessage	log () const
	Flow for a log message.
TraceMessage	plog () const
	Flow for a log message.
TraceMessage	logdate () const
	Flow for a log message preceded by the date.
TraceMessage	fatal () const
	Flow for a fatal error message.
TraceMessage	pfatal () const
	Flow for a parallel fatal error message.
TraceMessageDbg	debug (Trace::eDebugLevel=Trace::Medium) const
	Flow for a debug message.
Trace::eDebugLevel	configDbgLevel () const
	Debug level of the configuration file.
TraceMessage	info (Int32 verbose_level) const
	Flow for an information message of a given level.
TraceMessage	linfo () const
	Flow for an information message with the local information level of this instance.
TraceMessage	linfo (Int32 relative_level) const
	Flow for an information message with the local information level of this instance.
void	fatalMessage (const StandaloneTraceMessage &o) const

Private Member Functions
void	_checkInit ()
void	_outputTopology (hwloc_obj_t l, hwloc_obj_t parent, int i, OStringStream &ostr)
int	_numberOf (const hwloc_obj_type_t)

Private Attributes
bool	m_is_init = false
hwloc_topology_t	m_topology = nullptr

Additional Inherited Members
Protected Member Functions inherited from Arcane::TraceAccessor
void	_setLocalVerboseLevel (Int32 v)
Int32	_localVerboseLevel () const

Detailed Description

Definition at line 36 of file HWLocProcessorAffinity.cc.

Constructor & Destructor Documentation

HWLocProcessorAffinityService() [1/2]

Arcane::HWLocProcessorAffinityService::HWLocProcessorAffinityService ( const ServiceBuildInfo & sbi )

inlineexplicit

Definition at line 42 of file HWLocProcessorAffinity.cc.

HWLocProcessorAffinityService() [2/2]

Arcane::HWLocProcessorAffinityService::HWLocProcessorAffinityService ( ITraceMng * tm )

inlineexplicit

Definition at line 46 of file HWLocProcessorAffinity.cc.

~HWLocProcessorAffinityService()

Arcane::HWLocProcessorAffinityService::~HWLocProcessorAffinityService ( )

inlineoverride

Definition at line 52 of file HWLocProcessorAffinity.cc.

Member Function Documentation

_checkInit()

void Arcane::HWLocProcessorAffinityService::_checkInit ( )

private

Definition at line 147 of file HWLocProcessorAffinity.cc.

_numberOf()

Int32 Arcane::HWLocProcessorAffinityService::_numberOf ( const hwloc_obj_type_t that )

private

Definition at line 236 of file HWLocProcessorAffinity.cc.

_outputTopology()

void Arcane::HWLocProcessorAffinityService::_outputTopology ( hwloc_obj_t l, hwloc_obj_t parent, int i, OStringStream & ostr )

private

Definition at line 117 of file HWLocProcessorAffinity.cc.

bindThread()

void Arcane::HWLocProcessorAffinityService::bindThread ( Int32 cpu )

overridevirtual

Constrains the current thread to stay on the core with index cpu.

Implements Arcane::IProcessorAffinityService.

Definition at line 202 of file HWLocProcessorAffinity.cc.

build()

void Arcane::HWLocProcessorAffinityService::build ( )

inlineoverridevirtual

Implements Arcane::IProcessorAffinityService.

Definition at line 60 of file HWLocProcessorAffinity.cc.

cpuSetString()

String Arcane::HWLocProcessorAffinityService::cpuSetString ( )

overridevirtual

Returns the cpuset for the current thread.

The returned string is in a format compatible with that of taskset. For example, we can have values such as 'ff', '1, or 'ffff1234,ff'.

Implements Arcane::IProcessorAffinityService.

Definition at line 173 of file HWLocProcessorAffinity.cc.

Referenced by printInfos().

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numberOfCore()

Int32 Arcane::HWLocProcessorAffinityService::numberOfCore ( )

overridevirtual

Number of CPU cores (-1 if unknown).

Implements Arcane::IProcessorAffinityService.

Definition at line 250 of file HWLocProcessorAffinity.cc.

numberOfProcessingUnit()

Int32 Arcane::HWLocProcessorAffinityService::numberOfProcessingUnit ( )

overridevirtual

Number of logical cores (-1 if unknown).

Implements Arcane::IProcessorAffinityService.

Definition at line 268 of file HWLocProcessorAffinity.cc.

numberOfSocket()

Int32 Arcane::HWLocProcessorAffinityService::numberOfSocket ( )

overridevirtual

Number of sockets (-1 if unknown).

Implements Arcane::IProcessorAffinityService.

Definition at line 259 of file HWLocProcessorAffinity.cc.

printInfos()

void Arcane::HWLocProcessorAffinityService::printInfos ( )

overridevirtual

Displays complete topology information via info().

Implements Arcane::IProcessorAffinityService.

Definition at line 189 of file HWLocProcessorAffinity.cc.

References cpuSetString(), and Arcane::TraceAccessor::info().

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Member Data Documentation

m_is_init

bool Arcane::HWLocProcessorAffinityService::m_is_init = false

private

Definition at line 75 of file HWLocProcessorAffinity.cc.

m_topology

hwloc_topology_t Arcane::HWLocProcessorAffinityService::m_topology = nullptr

private

Definition at line 76 of file HWLocProcessorAffinity.cc.

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

• HWLocProcessorAffinity.cc