#include <Sample_History.h>
Public Member Functions | |
ACE_Sample_History (size_t max_samples) | |
Constructor. | |
~ACE_Sample_History (void) | |
Destructor. | |
int | sample (ACE_UINT64 value) |
Record one sample. | |
size_t | max_samples (void) const |
Returns the maximum number of samples. | |
size_t | sample_count (void) const |
Returns the current number of samples. | |
void | dump_samples (const ACE_TCHAR *msg, ACE_UINT32 scale_factor) const |
Dump all the samples. | |
void | collect_basic_stats (ACE_Basic_Stats &) const |
Collect the summary for all the samples. | |
ACE_UINT64 | get_sample (size_t i) const |
Get a sample. | |
Private Attributes | |
size_t | max_samples_ |
The maximum number of samples. | |
size_t | sample_count_ |
The current number of samples. | |
ACE_UINT64 * | samples_ |
The samples. |
Save multiple samples (usually latency numbers), into an array, and later print them in several formats.
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.
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 |
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 | ) |
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.
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.