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impala::RuntimeProfile::TimeSeriesCounter Class Reference

#include <runtime-profile.h>

Collaboration diagram for impala::RuntimeProfile::TimeSeriesCounter:

Public Member Functions

std::string DebugString () const
 
void AddSample (int ms_elapsed)
 

Private Member Functions

 TimeSeriesCounter (const std::string &name, TUnit::type unit, DerivedCounterFunction fn)
 
 TimeSeriesCounter (const std::string &name, TUnit::type unit, int period, const std::vector< int64_t > &values)
 
void ToThrift (TTimeSeriesCounter *counter)
 

Private Attributes

std::string name_
 
TUnit::type unit_
 
DerivedCounterFunction sample_fn_
 
StreamingCounterSampler samples_
 

Friends

class RuntimeProfile
 

Detailed Description

Definition at line 321 of file runtime-profile.h.

Constructor & Destructor Documentation

impala::RuntimeProfile::TimeSeriesCounter::TimeSeriesCounter ( const std::string &  name,
TUnit::type  unit,
DerivedCounterFunction  fn 
)
inlineprivate

Definition at line 333 of file runtime-profile.h.

impala::RuntimeProfile::TimeSeriesCounter::TimeSeriesCounter ( const std::string &  name,
TUnit::type  unit,
int  period,
const std::vector< int64_t > &  values 
)
inlineprivate

Construct a time series object from existing sample data. This counter is then read-only (i.e. there is no sample function).

Definition at line 340 of file runtime-profile.h.

Member Function Documentation

void impala::RuntimeProfile::TimeSeriesCounter::AddSample ( int  ms_elapsed)
inline

Definition at line 325 of file runtime-profile.h.

References impala::StreamingSampler< T, MAX_SAMPLES >::AddSample(), sample_fn_, and samples_.

string impala::RuntimeProfile::TimeSeriesCounter::DebugString ( ) const

Definition at line 881 of file runtime-profile.cc.

References impala::RuntimeProfile::name_.

void impala::RuntimeProfile::TimeSeriesCounter::ToThrift ( TTimeSeriesCounter *  counter)
private

Definition at line 868 of file runtime-profile.cc.

References impala::StreamingSampler< T, MAX_SAMPLES >::GetSamples(), name_, samples_, unit_, and impala::SpinLock::unlock().

Friends And Related Function Documentation

friend class RuntimeProfile
friend

Definition at line 331 of file runtime-profile.h.

Member Data Documentation

std::string impala::RuntimeProfile::TimeSeriesCounter::name_
private

Definition at line 347 of file runtime-profile.h.

Referenced by ToThrift().

DerivedCounterFunction impala::RuntimeProfile::TimeSeriesCounter::sample_fn_
private

Definition at line 349 of file runtime-profile.h.

Referenced by AddSample().

StreamingCounterSampler impala::RuntimeProfile::TimeSeriesCounter::samples_
private

Definition at line 350 of file runtime-profile.h.

Referenced by AddSample(), and ToThrift().

TUnit::type impala::RuntimeProfile::TimeSeriesCounter::unit_
private

Definition at line 348 of file runtime-profile.h.

Referenced by ToThrift().

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