Stats::HistStor Class Reference

Templatized storage and interface for a histogram stat. More...

#include <statistics.hh>

Classes
struct	Params
	The parameters for a distribution stat. More...

Public Member Functions
	HistStor (Info *info)
void	grow_up ()
void	grow_out ()
void	grow_convert ()
void	add (HistStor *)
void	sample (Counter val, int number)
	Add a value to the distribution for the given number of times. More...
size_type	size () const
	Return the number of buckets in this distribution. More...
bool	zero () const
	Returns true if any calls to sample have been made. More...
void	prepare (Info *info, DistData &data)
void	reset (Info *info)
	Reset stat value to default. More...

Private Attributes
Counter	min_bucket
	The minimum value to track. More...
Counter	max_bucket
	The maximum value to track. More...
Counter	bucket_size
	The number of entries in each bucket. More...
Counter	sum
	The current sum. More...
Counter	logs
	The sum of logarithm of each sample, used to compute geometric mean. More...
Counter	squares
	The sum of squares. More...
Counter	samples
	The number of samples. More...
VCounter	cvec
	Counter for each bucket. More...

Detailed Description

Templatized storage and interface for a histogram stat.

Definition at line 1571 of file statistics.hh.

Constructor & Destructor Documentation

HistStor()

Stats::HistStor::HistStor ( Info *  info )

inline

Definition at line 1603 of file statistics.hh.

References reset().

Member Function Documentation

add()

void Stats::HistStor::add

(

HistStor *

hs

)

Definition at line 397 of file statistics.cc.

References bucket_size, cvec, grow_up(), ArmISA::i, logs, min_bucket, samples, size(), squares, and sum.

grow_convert()

void Stats::HistStor::grow_convert

(

)

Definition at line 353 of file statistics.cc.

References bucket_size, cvec, ArmISA::i, max_bucket, min_bucket, and size().

Referenced by sample().

grow_out()

void Stats::HistStor::grow_out

(

)

Definition at line 314 of file statistics.cc.

References bucket_size, cvec, ArmISA::i, max_bucket, min_bucket, size(), and zero().

Referenced by sample().

grow_up()

void Stats::HistStor::grow_up

(

)

Definition at line 375 of file statistics.cc.

References bucket_size, cvec, ArmISA::i, max_bucket, and size().

Referenced by add(), and sample().

prepare()

void Stats::HistStor::prepare ( Info *  info, DistData &  data  )

inline

Definition at line 1668 of file statistics.hh.

References bucket_size, Stats::HistStor::Params::buckets, cvec, data, Stats::Hist, ArmISA::i, logs, max_bucket, min_bucket, samples, squares, Stats::Info::storageParams, sum, and Stats::DistParams::type.

reset()

void Stats::HistStor::reset ( Info *  info )

inline

Reset stat value to default.

Definition at line 1696 of file statistics.hh.

References bucket_size, Stats::HistStor::Params::buckets, cvec, ArmISA::i, logs, max_bucket, min_bucket, samples, size(), squares, Stats::Info::storageParams, and sum.

Referenced by HistStor().

sample()

void Stats::HistStor::sample ( Counter  val, int  number  )

inline

Add a value to the distribution for the given number of times.

Parameters

val	The value to add.
number	The number of times to add the value.

Definition at line 1620 of file statistics.hh.

References bucket_size, cvec, grow_convert(), grow_out(), grow_up(), MipsISA::index, logs, max_bucket, min_bucket, samples, size(), squares, sum, and X86ISA::val.

size()

size_type Stats::HistStor::size ( ) const

inline

Return the number of buckets in this distribution.

Returns

the number of buckets.

Definition at line 1655 of file statistics.hh.

References cvec.

Referenced by add(), grow_convert(), grow_out(), grow_up(), reset(), and sample().

zero()

bool Stats::HistStor::zero ( ) const

inline

Returns true if any calls to sample have been made.

Returns

True if any values have been sampled.

Definition at line 1662 of file statistics.hh.

References samples.

Referenced by grow_out().

Member Data Documentation

bucket_size

Counter Stats::HistStor::bucket_size

private

The number of entries in each bucket.

Definition at line 1589 of file statistics.hh.

Referenced by add(), grow_convert(), grow_out(), grow_up(), prepare(), reset(), and sample().

cvec

VCounter Stats::HistStor::cvec

private

Counter for each bucket.

Definition at line 1600 of file statistics.hh.

Referenced by add(), grow_convert(), grow_out(), grow_up(), prepare(), reset(), sample(), and size().

logs

Counter Stats::HistStor::logs

private

The sum of logarithm of each sample, used to compute geometric mean.

Definition at line 1594 of file statistics.hh.

Referenced by add(), prepare(), reset(), and sample().

max_bucket

Counter Stats::HistStor::max_bucket

private

The maximum value to track.

Definition at line 1587 of file statistics.hh.

Referenced by grow_convert(), grow_out(), grow_up(), prepare(), reset(), and sample().

min_bucket

Counter Stats::HistStor::min_bucket

private

The minimum value to track.

Definition at line 1585 of file statistics.hh.

Referenced by add(), grow_convert(), grow_out(), prepare(), reset(), and sample().

samples

Counter Stats::HistStor::samples

private

The number of samples.

Definition at line 1598 of file statistics.hh.

Referenced by add(), prepare(), reset(), sample(), and zero().

squares

Counter Stats::HistStor::squares

private

The sum of squares.

Definition at line 1596 of file statistics.hh.

Referenced by add(), prepare(), reset(), and sample().

sum

Counter Stats::HistStor::sum

private

The current sum.

Definition at line 1592 of file statistics.hh.

Referenced by add(), prepare(), reset(), and sample().

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

• base/statistics.hh
• base/statistics.cc