ACE  6.0.3
Public Member Functions | Private Attributes | List of all members
ACE_Sample_History Class Reference

Save multiple samples in an array. More...

#include <Sample_History.h>

Public Member Functions

 ACE_Sample_History (size_t max_samples)
 Constructor. More...
 
 ~ACE_Sample_History (void)
 Destructor. More...
 
int sample (ACE_UINT64 value)
 Record one sample. More...
 
size_t max_samples (void) const
 Returns the maximum number of samples. More...
 
size_t sample_count (void) const
 Returns the current number of samples. More...
 
void dump_samples (const ACE_TCHAR *msg, ACE_UINT32 scale_factor) const
 Dump all the samples. More...
 
void collect_basic_stats (ACE_Basic_Stats &) const
 Collect the summary for all the samples. More...
 
ACE_UINT64 get_sample (size_t i) const
 Get a sample. More...
 

Private Attributes

size_t max_samples_
 The maximum number of samples. More...
 
size_t sample_count_
 The current number of samples. More...
 
ACE_UINT64samples_
 The samples. More...
 

Detailed Description

Save multiple samples in an array.

Save multiple samples (usually latency numbers), into an array, and later print them in several formats.

Constructor & Destructor Documentation

ACE_Sample_History::ACE_Sample_History ( size_t  max_samples)

Constructor.

The number of samples is pre-allocated, and cannot changes once the class is initialized.

ACE_Sample_History::~ACE_Sample_History ( void  )

Destructor.

Member Function Documentation

void ACE_Sample_History::collect_basic_stats ( ACE_Basic_Stats stats) const

Collect the summary for all the samples.

void ACE_Sample_History::dump_samples ( const ACE_TCHAR msg,
ACE_UINT32  scale_factor 
) const

Dump all the samples.

Prints out all the samples, using msg as a prefix for each message.

ACE_UINT64 ACE_Sample_History::get_sample ( size_t  i) const
inline

Get a sample.

size_t ACE_Sample_History::max_samples ( void  ) const

Returns the maximum number of samples.

int ACE_Sample_History::sample ( ACE_UINT64  value)
inline

Record one sample.

Return 0 on success, -1 if the sample could not be stored

size_t ACE_Sample_History::sample_count ( void  ) const

Returns the current number of samples.

Member Data Documentation

size_t ACE_Sample_History::max_samples_
private

The maximum number of samples.

size_t ACE_Sample_History::sample_count_
private

The current number of samples.

ACE_UINT64* ACE_Sample_History::samples_
private

The samples.


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