iceberg::DefaultTimer Class Reference

Thread-safe timer backed by std::atomic<int64_t>. More...

#include <timer.h>

Inheritance diagram for iceberg::DefaultTimer:

Public Member Functions
	DefaultTimer (TimerUnit unit=TimerUnit::kNanoseconds)
int64_t	Count () const override
	Number of timing recordings made so far.
std::chrono::nanoseconds	TotalDuration () const override
	Total accumulated duration across all recordings.
void	Record (std::chrono::nanoseconds duration) override
	Record a nanosecond duration directly.
std::string_view	Unit () const override
	Return the time unit used by this timer.
Public Member Functions inherited from iceberg::Timer
template<typename Rep , typename Period >
void	Record (std::chrono::duration< Rep, Period > duration)
	Record a duration of any chrono type, converting to nanoseconds.
virtual bool	IsNoop () const
	Return true if this timer is a no-op.
Timed	Start ()
	Start timing and return a RAII Timed guard.
template<typename Callable >
decltype(auto)	Time (Callable &&fn)
	Execute a callable, record its wall-clock duration, and return its result.

Additional Inherited Members
Static Public Member Functions inherited from iceberg::Timer
static std::shared_ptr< Timer >	Noop ()
	Return a shared no-op timer singleton.

Detailed Description

Thread-safe timer backed by std::atomic<int64_t>.

Member Function Documentation

Count()

int64_t iceberg::DefaultTimer::Count ( ) const

overridevirtual

Number of timing recordings made so far.

Implements iceberg::Timer.

Record()

void iceberg::DefaultTimer::Record ( std::chrono::nanoseconds  duration )

overridevirtual

Record a nanosecond duration directly.

Use the template overload below to record any std::chrono duration type with automatic unit conversion.

Implements iceberg::Timer.

TotalDuration()

std::chrono::nanoseconds iceberg::DefaultTimer::TotalDuration ( ) const

overridevirtual

Total accumulated duration across all recordings.

Implements iceberg::Timer.

Unit()

std::string_view iceberg::DefaultTimer::Unit ( ) const

inlineoverridevirtual

Return the time unit used by this timer.

Reimplemented from iceberg::Timer.

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

• iceberg/metrics/timer.h
• iceberg/metrics/timer.cc