System-wide counter state. More...

#include <cpucounters.h>

Inheritance diagram for pcm::SystemCounterState:

Collaboration diagram for pcm::SystemCounterState:

Public Member Functions
	SystemCounterState (const SystemCounterState &)=default

	SystemCounterState (SystemCounterState &&)=default

SystemCounterState &	operator= (SystemCounterState &&)=default

SystemCounterState &	operator+= (const SocketCounterState &scs)

SystemCounterState &	operator+= (const UncoreCounterState &ucs)

Public Member Functions inherited from pcm::SocketCounterState
SocketCounterState &	operator+= (const BasicCounterState &ccs)

SocketCounterState &	operator+= (const UncoreCounterState &ucs)

	SocketCounterState (const SocketCounterState &)=default

	SocketCounterState (SocketCounterState &&)=default

SocketCounterState &	operator= (SocketCounterState &&)=default

SocketCounterState &	operator= (UncoreCounterState &&ucs)

Public Member Functions inherited from pcm::BasicCounterState
	BasicCounterState (const BasicCounterState &)=default

	BasicCounterState (BasicCounterState &&)=default

BasicCounterState &	operator= (BasicCounterState &&)=default

BasicCounterState &	operator+= (const BasicCounterState &o)

void	readAndAggregate (std::shared_ptr< SafeMsrHandle >)

void	readAndAggregateTSC (std::shared_ptr< SafeMsrHandle >)

int32	getThermalHeadroom () const
	Returns current thermal headroom below TjMax.

Public Member Functions inherited from pcm::UncoreCounterState
	UncoreCounterState (const UncoreCounterState &)=default

	UncoreCounterState (UncoreCounterState &&)=default

UncoreCounterState &	operator= (UncoreCounterState &&)=default

UncoreCounterState &	operator+= (const UncoreCounterState &o)

Protected Member Functions
void	readAndAggregate (std::shared_ptr< SafeMsrHandle > handle)

Protected Member Functions inherited from pcm::SocketCounterState
void	readAndAggregate (std::shared_ptr< SafeMsrHandle > handle)

Protected Member Functions inherited from pcm::UncoreCounterState
void	readAndAggregate (std::shared_ptr< SafeMsrHandle >)

Friends
class	PCM

uint64	getIncomingQPILinkBytes (uint32 socketNr, uint32 linkNr, const SystemCounterState &before, const SystemCounterState &after)
	Get estimation of QPI data traffic per incoming QPI link. More...

uint64	getIncomingQPILinkBytes (uint32 socketNr, uint32 linkNr, const SystemCounterState &now)
	Return current value of the counter of QPI data traffic per incoming QPI link. More...

double	getOutgoingQPILinkUtilization (uint32 socketNr, uint32 linkNr, const SystemCounterState &before, const SystemCounterState &after)
	Get utilization of outgoing QPI link (0..1) More...

uint64	getOutgoingQPILinkBytes (uint32 socketNr, uint32 linkNr, const SystemCounterState &before, const SystemCounterState &after)
	Get estimation of QPI (data+nondata) traffic per outgoing QPI link. More...

uint64	getOutgoingQPILinkBytes (uint32 socketNr, uint32 linkNr, const SystemCounterState &now)

Additional Inherited Members
Protected Types inherited from pcm::BasicCounterState
enum	{ L3MissPos = 0, ArchLLCMissPos = 0, L3UnsharedHitPos = 1, ArchLLCRefPos = 1, SKLL3HitPos = 1, L2HitMPos = 2, SKLL2MissPos = 2, L2HitPos = 3 }

Protected Attributes inherited from pcm::BasicCounterState
checked_uint64	InstRetiredAny {}

checked_uint64	CpuClkUnhaltedThread {}

checked_uint64	CpuClkUnhaltedRef {}

checked_uint64	Event [PERF_MAX_CUSTOM_COUNTERS]

uint64	InvariantTSC

uint64	CStateResidency [PCM::MAX_C_STATE+1]

int32	ThermalHeadroom

uint64	L3Occupancy

uint64	MemoryBWLocal

uint64	MemoryBWTotal

uint64	SMICount

uint64	FrontendBoundSlots

uint64	BadSpeculationSlots

uint64	BackendBoundSlots

uint64	RetiringSlots

uint64	AllSlotsRaw

std::unordered_map< uint64, uint64 >	MSRValues

Protected Attributes inherited from pcm::UncoreCounterState
uint64	UncMCFullWrites

uint64	UncMCNormalReads

uint64	UncHARequests

uint64	UncHALocalRequests

uint64	UncPMMWrites

uint64	UncPMMReads

uint64	UncEDCFullWrites

uint64	UncEDCNormalReads

uint64	UncMCGTRequests

uint64	UncMCIARequests

uint64	UncMCIORequests

uint64	PackageEnergyStatus

uint64	DRAMEnergyStatus

uint64	TOROccupancyIAMiss

uint64	TORInsertsIAMiss

uint64	UncClocks

uint64	CStateResidency [PCM::MAX_C_STATE+1]

Detailed Description

System-wide counter state.

Friends And Related Function Documentation

◆ getIncomingQPILinkBytes [1/2]

uint64 getIncomingQPILinkBytes	(	uint32	socketNr,
		uint32	linkNr,
		const SystemCounterState &	before,
		const SystemCounterState &	after
	)

friend

Get estimation of QPI data traffic per incoming QPI link.

Returns an estimation of number of data bytes transferred to a socket over Intel(r) Quick Path Interconnect

Parameters

socketNr	socket identifier
linkNr	linkNr
before	System CPU counter state before the experiment
after	System CPU counter state after the experiment

Returns: Number of bytes

◆ getIncomingQPILinkBytes [2/2]

uint64 getIncomingQPILinkBytes	(	uint32	socketNr,
		uint32	linkNr,
		const SystemCounterState &	now
	)

friend

Return current value of the counter of QPI data traffic per incoming QPI link.

Returns the number of incoming data bytes to a socket over Intel(r) Quick Path Interconnect

Parameters

socketNr	socket identifier
linkNr	linkNr
now	Current System CPU counter state

Returns: Number of bytes

◆ getOutgoingQPILinkBytes

uint64 getOutgoingQPILinkBytes	(	uint32	socketNr,
		uint32	linkNr,
		const SystemCounterState &	before,
		const SystemCounterState &	after
	)

friend

Get estimation of QPI (data+nondata) traffic per outgoing QPI link.

Returns an estimation of number of data bytes transferred from a socket over Intel(r) Quick Path Interconnect

Parameters

socketNr	socket identifier
linkNr	linkNr
before	System CPU counter state before the experiment
after	System CPU counter state after the experiment

Returns: Number of bytes

◆ getOutgoingQPILinkUtilization

double getOutgoingQPILinkUtilization	(	uint32	socketNr,
		uint32	linkNr,
		const SystemCounterState &	before,
		const SystemCounterState &	after
	)

friend

Get utilization of outgoing QPI link (0..1)

Returns an estimation of utilization of QPI link by (data+nondata) traffic transferred from a socket over Intel(r) Quick Path Interconnect

Parameters

socketNr	socket identifier
linkNr	linkNr
before	System CPU counter state before the experiment
after	System CPU counter state after the experiment

Returns: utilization (0..1)

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

src/cpucounters.h

Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Friends And Related Function Documentation

◆ getIncomingQPILinkBytes [1/2]

◆ getIncomingQPILinkBytes [2/2]

◆ getOutgoingQPILinkBytes

◆ getOutgoingQPILinkUtilization