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 1517 of file statistics.hh.

Constructor & Destructor Documentation

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

inline

Definition at line 1549 of file statistics.hh.

References reset().

Member Function Documentation

void Stats::HistStor::add

(

HistStor *

hs

)

Definition at line 359 of file statistics.cc.

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

void Stats::HistStor::grow_convert

(

)

Definition at line 315 of file statistics.cc.

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

Referenced by sample().

void Stats::HistStor::grow_out

(

)

Definition at line 276 of file statistics.cc.

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

Referenced by sample().

void Stats::HistStor::grow_up

(

)

Definition at line 337 of file statistics.cc.

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

Referenced by add(), and sample().

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

inline

Definition at line 1614 of file statistics.hh.

References Stats::DistData::bucket_size, bucket_size, Stats::HistStor::Params::buckets, Stats::DistData::cvec, cvec, Stats::Hist, ArmISA::i, Stats::DistData::logs, logs, Stats::DistData::max, max_bucket, Stats::DistData::max_val, Stats::DistData::min, min_bucket, Stats::DistData::min_val, safe_cast(), Stats::DistData::samples, samples, Stats::DistData::squares, squares, Stats::Info::storageParams, Stats::DistData::sum, sum, Stats::DistData::type, and Stats::DistParams::type.

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

inline

Reset stat value to default.

Definition at line 1642 of file statistics.hh.

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

Referenced by HistStor().

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 1566 of file statistics.hh.

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

size_type Stats::HistStor::size ( ) const

inline

Return the number of buckets in this distribution.

Returns

the number of buckets.

Definition at line 1601 of file statistics.hh.

References cvec.

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

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 1608 of file statistics.hh.

References samples.

Referenced by grow_out().

Member Data Documentation

Counter Stats::HistStor::bucket_size

private

The number of entries in each bucket.

Definition at line 1535 of file statistics.hh.

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

VCounter Stats::HistStor::cvec

private

Counter for each bucket.

Definition at line 1546 of file statistics.hh.

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

Counter Stats::HistStor::logs

private

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

Definition at line 1540 of file statistics.hh.

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

Counter Stats::HistStor::max_bucket

private

The maximum value to track.

Definition at line 1533 of file statistics.hh.

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

Counter Stats::HistStor::min_bucket

private

The minimum value to track.

Definition at line 1531 of file statistics.hh.

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

Counter Stats::HistStor::samples

private

The number of samples.

Definition at line 1544 of file statistics.hh.

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

Counter Stats::HistStor::squares

private

The sum of squares.

Definition at line 1542 of file statistics.hh.

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

Counter Stats::HistStor::sum

private

The current sum.

Definition at line 1538 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