impala::ThreadCounterMeasurement Class Reference

#include <runtime-profile.h>

Collaboration diagram for impala::ThreadCounterMeasurement:

Public Member Functions
	ThreadCounterMeasurement (RuntimeProfile::ThreadCounters *counters)
void	Stop ()
	Stop and update the counter. More...
	~ThreadCounterMeasurement ()
	Update counter when object is destroyed. More...

Private Member Functions
	ThreadCounterMeasurement (const ThreadCounterMeasurement &timer)
	Disable copy constructor and assignment. More...
ThreadCounterMeasurement &	operator= (const ThreadCounterMeasurement &timer)

Private Attributes
bool	stop_
rusage	usage_base_
MonotonicStopWatch	sw_
RuntimeProfile::ThreadCounters *	counters_

Detailed Description

Utility class to update ThreadCounter when the object goes out of scope or when Stop is called. Threads measurements will then be taken using getrusage. This is ~5x slower than ScopedTimer due to calling getrusage.

Definition at line 747 of file runtime-profile.h.

Constructor & Destructor Documentation

impala::ThreadCounterMeasurement::ThreadCounterMeasurement ( RuntimeProfile::ThreadCounters *  counters )

inline

Definition at line 749 of file runtime-profile.h.

References impala::MonotonicStopWatch::Start(), sw_, and usage_base_.

impala::ThreadCounterMeasurement::~ThreadCounterMeasurement ( )

inline

Update counter when object is destroyed.

Definition at line 780 of file runtime-profile.h.

References Stop().

impala::ThreadCounterMeasurement::ThreadCounterMeasurement ( const ThreadCounterMeasurement &  timer )

private

Disable copy constructor and assignment.

Member Function Documentation

ThreadCounterMeasurement& impala::ThreadCounterMeasurement::operator= ( const ThreadCounterMeasurement &  timer )

private

void impala::ThreadCounterMeasurement::Stop ( )

inline

Stop and update the counter.

Definition at line 758 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::Add(), counters_, impala::MonotonicStopWatch::ElapsedTime(), impala::RuntimeProfile::ThreadCounters::involuntary_context_switches_, impala::MonotonicStopWatch::Stop(), stop_, sw_, impala::RuntimeProfile::ThreadCounters::sys_time_, impala::RuntimeProfile::ThreadCounters::total_time_, usage_base_, impala::RuntimeProfile::ThreadCounters::user_time_, and impala::RuntimeProfile::ThreadCounters::voluntary_context_switches_.

Referenced by ~ThreadCounterMeasurement().

Member Data Documentation

RuntimeProfile::ThreadCounters* impala::ThreadCounterMeasurement::counters_

private

Definition at line 792 of file runtime-profile.h.

Referenced by Stop().

bool impala::ThreadCounterMeasurement::stop_

private

Definition at line 789 of file runtime-profile.h.

Referenced by Stop().

MonotonicStopWatch impala::ThreadCounterMeasurement::sw_

private

Definition at line 791 of file runtime-profile.h.

Referenced by Stop(), and ThreadCounterMeasurement().

rusage impala::ThreadCounterMeasurement::usage_base_

private

Definition at line 790 of file runtime-profile.h.

Referenced by Stop(), and ThreadCounterMeasurement().

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

• be/src/util/runtime-profile.h