gem5::o3::Decode::DecodeStats Struct Reference

Inheritance diagram for gem5::o3::Decode::DecodeStats:

Public Member Functions
	DecodeStats (CPU *cpu)
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 decode state.
statistics::Scalar	branchResolved
	Stat for number of times a branch is resolved at decode.
statistics::Scalar	branchMispred
	Stat for number of times a branch mispredict is detected.
statistics::Scalar	controlMispred
	Stat for number of times decode detected a non-control instruction incorrectly predicted as a branch.
statistics::Scalar	decodedInsts
	Stat for total number of decoded instructions.
statistics::Scalar	squashedInsts
	Stat for total number of squashed instructions.

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

Detailed Description

Definition at line 302 of file decode.hh.

Constructor & Destructor Documentation

DecodeStats()

gem5::o3::Decode::DecodeStats::DecodeStats

(

CPU *

cpu

)

Definition at line 158 of file decode.cc.

References ADD_STAT, branchMispred, branchResolved, controlMispred, gem5::o3::Decode::cpu, decodedInsts, gem5::statistics::Group::Group(), gem5::ArmISA::i, gem5::statistics::nozero, gem5::statistics::pdf, squashedInsts, status, statusDefinitions, statusStrings, and gem5::o3::Decode::ThreadStatusMax.

Member Data Documentation

branchMispred

statistics::Scalar gem5::o3::Decode::DecodeStats::branchMispred

Stat for number of times a branch mispredict is detected.

Definition at line 314 of file decode.hh.

Referenced by DecodeStats().

branchResolved

statistics::Scalar gem5::o3::Decode::DecodeStats::branchResolved

Stat for number of times a branch is resolved at decode.

Definition at line 312 of file decode.hh.

Referenced by DecodeStats().

controlMispred

statistics::Scalar gem5::o3::Decode::DecodeStats::controlMispred

Stat for number of times decode detected a non-control instruction incorrectly predicted as a branch.

Definition at line 318 of file decode.hh.

Referenced by DecodeStats().

decodedInsts

statistics::Scalar gem5::o3::Decode::DecodeStats::decodedInsts

Stat for total number of decoded instructions.

Definition at line 320 of file decode.hh.

Referenced by DecodeStats().

squashedInsts

statistics::Scalar gem5::o3::Decode::DecodeStats::squashedInsts

Stat for total number of squashed instructions.

Definition at line 322 of file decode.hh.

Referenced by DecodeStats().

status

statistics::Vector gem5::o3::Decode::DecodeStats::status

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

Definition at line 310 of file decode.hh.

Referenced by DecodeStats().

statusDefinitions

std::string gem5::o3::Decode::DecodeStats::statusDefinitions

static

Initial value:

= {
    "Number of cycles decode is running",
    "Number of cycles decode is idle",
    "Not Used",
    "Number of cycles decode is squashing",
    "Number of cycles decode is blocking",
    "Number of cycles decode is unblocking",
}

Definition at line 305 of file decode.hh.

Referenced by DecodeStats().

statusStrings

std::string gem5::o3::Decode::DecodeStats::statusStrings

static

Initial value:

= {
    "Running",
    "Idle",
    "StartSquash",
    "Squashing",
    "Blocked",
    "Unblocking",
}

Definition at line 304 of file decode.hh.

Referenced by DecodeStats().

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

• cpu/o3/decode.hh
• cpu/o3/decode.cc