gem5::BaseTags::BaseTagStats Struct Reference

TODO: It would be good if these stats were acquired after warmup. More...

#include <base.hh>

Inheritance diagram for gem5::BaseTags::BaseTagStats:

Public Member Functions
	BaseTagStats (BaseTags &tags)
void	regStats () override
	Callback to set stat parameters.
void	preDumpStats () override
	Callback before stats are dumped.
Public Member Functions inherited from gem5::statistics::Group
	Group (Group *parent, const char *name=nullptr)
	Construct a new statistics group.
virtual	~Group ()
virtual void	resetStats ()
	Callback to reset stats.
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
BaseTags &	tags
statistics::Average	tagsInUse
	Per tick average of the number of tags that hold valid data.
statistics::Scalar	totalRefs
	The total number of references to a block before it is replaced.
statistics::Scalar	sampledRefs
	The number of reference counts sampled.
statistics::Formula	avgRefs
	Average number of references to a block before is was replaced.
statistics::Scalar	warmupTick
	The tick that the warmup percentage was hit.
statistics::AverageVector	occupancies
	Average occupancy of each requestor using the cache.
statistics::Formula	avgOccs
	Average occ % of each requestor using the cache.
statistics::Vector	occupanciesTaskId
	Occupancy of each context/cpu using the cache.
statistics::Vector2d	ageTaskId
	Occupancy of each context/cpu using the cache.
statistics::Formula	ratioOccsTaskId
	Occ ratio of each context/cpu using the cache.
statistics::Scalar	tagAccesses
	Number of tags consulted over all accesses.
statistics::Scalar	dataAccesses
	Number of data blocks consulted over all accesses.

Detailed Description

TODO: It would be good if these stats were acquired after warmup.

Definition at line 111 of file base.hh.

Constructor & Destructor Documentation

BaseTagStats()

gem5::BaseTags::BaseTagStats::BaseTagStats

(

BaseTags &

tags

)

Definition at line 228 of file base.cc.

References ADD_STAT, ageTaskId, avgOccs, avgRefs, gem5::BaseTags::BaseTags(), dataAccesses, gem5::statistics::Group::Group(), occupancies, occupanciesTaskId, ratioOccsTaskId, sampledRefs, tagAccesses, tags, tagsInUse, totalRefs, and warmupTick.

Member Function Documentation

preDumpStats()

void gem5::BaseTags::BaseTagStats::preDumpStats ( )

overridevirtual

Callback before stats are dumped.

This can be overridden by objects that need to perform calculations in addition to the capabiltiies implemented in the stat framework.

Reimplemented from gem5::statistics::Group.

Definition at line 305 of file base.cc.

References gem5::statistics::Group::preDumpStats(), and tags.

regStats()

void gem5::BaseTags::BaseTagStats::regStats ( )

overridevirtual

Callback to set stat parameters.

This callback is typically used for complex stats (e.g., distributions) that need parameters in addition to a name and a description. Stat names and descriptions should typically be set from the constructor usingo from the constructor using the ADD_STAT macro.

Reimplemented from gem5::statistics::Group.

Definition at line 264 of file base.cc.

References ageTaskId, avgOccs, avgRefs, gem5::statistics::constant(), gem5::ArmISA::i, gem5::statistics::nonan, gem5::statistics::nozero, gem5::context_switch_task_id::NumTaskId, occupancies, occupanciesTaskId, ratioOccsTaskId, gem5::statistics::Group::regStats(), sampledRefs, gem5::BaseTags::system, tags, gem5::statistics::total, and totalRefs.

Member Data Documentation

ageTaskId

statistics::Vector2d gem5::BaseTags::BaseTagStats::ageTaskId

Occupancy of each context/cpu using the cache.

Definition at line 152 of file base.hh.

Referenced by BaseTagStats(), and regStats().

avgOccs

statistics::Formula gem5::BaseTags::BaseTagStats::avgOccs

Average occ % of each requestor using the cache.

Definition at line 146 of file base.hh.

Referenced by BaseTagStats(), and regStats().

avgRefs

statistics::Formula gem5::BaseTags::BaseTagStats::avgRefs

Average number of references to a block before is was replaced.

Todo

This should change to an average stat once we have them.

Definition at line 137 of file base.hh.

Referenced by BaseTagStats(), and regStats().

dataAccesses

statistics::Scalar gem5::BaseTags::BaseTagStats::dataAccesses

Number of data blocks consulted over all accesses.

Definition at line 160 of file base.hh.

Referenced by BaseTagStats().

occupancies

statistics::AverageVector gem5::BaseTags::BaseTagStats::occupancies

Average occupancy of each requestor using the cache.

Definition at line 143 of file base.hh.

Referenced by BaseTagStats(), and regStats().

occupanciesTaskId

statistics::Vector gem5::BaseTags::BaseTagStats::occupanciesTaskId

Occupancy of each context/cpu using the cache.

Definition at line 149 of file base.hh.

Referenced by BaseTagStats(), and regStats().

ratioOccsTaskId

statistics::Formula gem5::BaseTags::BaseTagStats::ratioOccsTaskId

Occ ratio of each context/cpu using the cache.

Definition at line 155 of file base.hh.

Referenced by BaseTagStats(), and regStats().

sampledRefs

statistics::Scalar gem5::BaseTags::BaseTagStats::sampledRefs

The number of reference counts sampled.

This is different from replacements because we sample all the valid blocks when the simulator exits.

Definition at line 131 of file base.hh.

Referenced by BaseTagStats(), and regStats().

tagAccesses

statistics::Scalar gem5::BaseTags::BaseTagStats::tagAccesses

Number of tags consulted over all accesses.

Definition at line 158 of file base.hh.

Referenced by BaseTagStats().

tags

BaseTags& gem5::BaseTags::BaseTagStats::tags

Definition at line 118 of file base.hh.

Referenced by BaseTagStats(), preDumpStats(), and regStats().

tagsInUse

statistics::Average gem5::BaseTags::BaseTagStats::tagsInUse

Per tick average of the number of tags that hold valid data.

Definition at line 121 of file base.hh.

Referenced by BaseTagStats().

totalRefs

statistics::Scalar gem5::BaseTags::BaseTagStats::totalRefs

The total number of references to a block before it is replaced.

Definition at line 124 of file base.hh.

Referenced by BaseTagStats(), and regStats().

warmupTick

statistics::Scalar gem5::BaseTags::BaseTagStats::warmupTick

The tick that the warmup percentage was hit.

0 on failure.

Definition at line 140 of file base.hh.

Referenced by BaseTagStats().

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

• mem/cache/tags/base.hh
• mem/cache/tags/base.cc