gem5::o3::BAC::BACStats Struct Reference

#include <bac.hh>

Inheritance diagram for gem5::o3::BAC::BACStats:

Public Member Functions
	BACStats (CPU *cpu, BAC *bac)
Public Member Functions inherited from gem5::statistics::Group
	Group (Group *parent, const char *name=nullptr)
	Construct a new statistics group.
virtual	~Group ()
virtual void	regStats ()
	Callback to set stat parameters.
virtual void	resetStats ()
	Callback to reset stats.
virtual void	preDumpStats ()
	Callback before stats are dumped.
void	addStat (statistics::Info *info)
	Register a stat with this group.
const std::map< std::string, Group * > &	getStatGroups () const
	Get all child groups associated with this object.
const std::vector< Info * > &	getStats () const
	Get all stats associated with this object.
void	addStatGroup (const char *name, Group *block)
	Add a stat block as a child of this block.
const Info *	resolveStat (std::string name) const
	Resolve a stat by its name within this group.
void	mergeStatGroup (Group *block)
	Merge the contents (stats & children) of a block to this block.
	Group ()=delete
	Group (const Group &)=delete
Group &	operator= (const Group &)=delete

Public Attributes
statistics::Vector	status
	Stat for total number of cycles spent in each BAC state.
statistics::Scalar	fetchTargets
	Stat for total number fetch targets created.
statistics::Scalar	branches
	Total number of branches detected.
statistics::Scalar	predTakenBranches
	Total number of branches predicted taken.
statistics::Scalar	branchesNotLastuOp
	Total number of fetched branches.
statistics::Scalar	branchMisspredict
	Stat for total number of misspredicted instructions.
statistics::Scalar	noBranchMisspredict
statistics::Scalar	squashBranchDecode
	Stat for the number of squashes from decode and commit.
statistics::Scalar	squashBranchCommit
statistics::Vector	preDecUpdate
	Number of post updates.
statistics::Vector	noHistByType
	Number of branches undetected by the BPU.
statistics::Scalar	typeMissmatch
	Stat for the two corner cases.
statistics::Scalar	multiBranchInst
statistics::Distribution	ftSizeDist
	Distribution of number of bytes per fetch target.
statistics::Distribution	ftNumber

Static Public Attributes
static std::string	statusStrings [ThreadStatusMax]

Detailed Description

Definition at line 427 of file bac.hh.

Constructor & Destructor Documentation

BACStats()

gem5::o3::BAC::BACStats::BACStats	(	o3::CPU *	cpu,
		BAC *	bac )

Definition at line 973 of file bac.cc.

References ADD_STAT, gem5::o3::BAC::BAC(), branches, branchesNotLastuOp, branchMisspredict, gem5::o3::BAC::cpu, fetchTargets, gem5::o3::BAC::fetchTargetWidth, ftNumber, ftSizeDist, gem5::statistics::Group::Group(), gem5::ArmISA::i, gem5::o3::BAC::maxFTPerCycle, multiBranchInst, noBranchMisspredict, noHistByType, gem5::statistics::nozero, gem5::statistics::pdf, preDecUpdate, predTakenBranches, squashBranchCommit, squashBranchDecode, status, statusStrings, gem5::o3::BAC::ThreadStatusMax, gem5::statistics::total, and typeMissmatch.

Member Data Documentation

branches

statistics::Scalar gem5::o3::BAC::BACStats::branches

Total number of branches detected.

Definition at line 439 of file bac.hh.

Referenced by BACStats().

branchesNotLastuOp

statistics::Scalar gem5::o3::BAC::BACStats::branchesNotLastuOp

Total number of fetched branches.

Definition at line 443 of file bac.hh.

Referenced by BACStats().

branchMisspredict

statistics::Scalar gem5::o3::BAC::BACStats::branchMisspredict

Stat for total number of misspredicted instructions.

Definition at line 446 of file bac.hh.

Referenced by BACStats().

fetchTargets

statistics::Scalar gem5::o3::BAC::BACStats::fetchTargets

Stat for total number fetch targets created.

Definition at line 437 of file bac.hh.

Referenced by BACStats().

ftNumber

statistics::Distribution gem5::o3::BAC::BACStats::ftNumber

Definition at line 464 of file bac.hh.

Referenced by BACStats().

ftSizeDist

statistics::Distribution gem5::o3::BAC::BACStats::ftSizeDist

Distribution of number of bytes per fetch target.

Definition at line 463 of file bac.hh.

Referenced by BACStats().

multiBranchInst

statistics::Scalar gem5::o3::BAC::BACStats::multiBranchInst

Definition at line 460 of file bac.hh.

Referenced by BACStats().

noBranchMisspredict

statistics::Scalar gem5::o3::BAC::BACStats::noBranchMisspredict

Definition at line 447 of file bac.hh.

Referenced by BACStats().

noHistByType

statistics::Vector gem5::o3::BAC::BACStats::noHistByType

Number of branches undetected by the BPU.

Definition at line 456 of file bac.hh.

Referenced by BACStats().

preDecUpdate

statistics::Vector gem5::o3::BAC::BACStats::preDecUpdate

Number of post updates.

Definition at line 454 of file bac.hh.

Referenced by BACStats().

predTakenBranches

statistics::Scalar gem5::o3::BAC::BACStats::predTakenBranches

Total number of branches predicted taken.

Definition at line 441 of file bac.hh.

Referenced by BACStats().

squashBranchCommit

statistics::Scalar gem5::o3::BAC::BACStats::squashBranchCommit

Definition at line 451 of file bac.hh.

Referenced by BACStats().

squashBranchDecode

statistics::Scalar gem5::o3::BAC::BACStats::squashBranchDecode

Stat for the number of squashes from decode and commit.

Definition at line 450 of file bac.hh.

Referenced by BACStats().

status

statistics::Vector gem5::o3::BAC::BACStats::status

Stat for total number of cycles spent in each BAC state.

Definition at line 434 of file bac.hh.

Referenced by BACStats().

statusStrings

std::string gem5::o3::BAC::BACStats::statusStrings

static

Initial value:

= {
    "Idle",
    "Running",
    "Squashing",
    "Blocked",
    "FTQFull",
    "FTQLocked",
}

Definition at line 429 of file bac.hh.

Referenced by BACStats().

typeMissmatch

statistics::Scalar gem5::o3::BAC::BACStats::typeMissmatch

Stat for the two corner cases.

Definition at line 459 of file bac.hh.

Referenced by BACStats().

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

• cpu/o3/bac.hh
• cpu/o3/bac.cc