impala::RuntimeProfile::HighWaterMarkCounter Class Reference

#include <runtime-profile.h>

Inheritance diagram for impala::RuntimeProfile::HighWaterMarkCounter:

Collaboration diagram for impala::RuntimeProfile::HighWaterMarkCounter:

Public Member Functions
	HighWaterMarkCounter (TUnit::type unit)
virtual void	Add (int64_t delta)
bool	TryAdd (int64_t delta, int64_t max)
virtual void	Set (int64_t v)
int64_t	current_value () const
void	BitOr (int64_t delta)
	Use this to update if the counter is a bitmap. More...
virtual void	Set (double value)
virtual int64_t	value () const
virtual double	double_value () const
TUnit::type	unit () const

Protected Attributes
AtomicInt< int64_t >	value_
TUnit::type	unit_

Private Attributes
AtomicInt< int64_t >	current_value_

Detailed Description

A counter that keeps track of the highest value seen (reporting that as value()) and the current value.

Definition at line 125 of file runtime-profile.h.

Constructor & Destructor Documentation

impala::RuntimeProfile::HighWaterMarkCounter::HighWaterMarkCounter ( TUnit::type  unit )

inline

Definition at line 127 of file runtime-profile.h.

Member Function Documentation

virtual void impala::RuntimeProfile::HighWaterMarkCounter::Add ( int64_t  delta )

inlinevirtual

Reimplemented from impala::RuntimeProfile::Counter.

Definition at line 129 of file runtime-profile.h.

References current_value_, impala::AtomicInt< T >::UpdateAndFetch(), impala::AtomicInt< T >::UpdateMax(), and impala::RuntimeProfile::Counter::value_.

Referenced by impala::MemTracker::TryConsume().

void impala::RuntimeProfile::Counter::BitOr ( int64_t  delta )

inlineinherited

Use this to update if the counter is a bitmap.

Definition at line 98 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::value_.

Referenced by impala::DiskIoMgr::ReadRange().

int64_t impala::RuntimeProfile::HighWaterMarkCounter::current_value ( ) const

inline

Definition at line 153 of file runtime-profile.h.

References current_value_.

Referenced by impala::MemTracker::consumption(), and impala::MemTracker::ExpandRmReservation().

virtual double impala::RuntimeProfile::Counter::double_value ( ) const

inlinevirtualinherited

Definition at line 110 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::value_.

Referenced by impala::TEST(), and impala::RuntimeProfile::AveragedCounter::UpdateCounter().

virtual void impala::RuntimeProfile::Counter::Set ( double  value )

inlinevirtualinherited

Reimplemented in impala::RuntimeProfile::AveragedCounter.

Definition at line 104 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::value(), and impala::RuntimeProfile::Counter::value_.

virtual void impala::RuntimeProfile::HighWaterMarkCounter::Set ( int64_t  v )

inlinevirtual

Reimplemented from impala::RuntimeProfile::Counter.

Definition at line 148 of file runtime-profile.h.

References current_value_, impala::AtomicInt< T >::UpdateMax(), and impala::RuntimeProfile::Counter::value_.

Referenced by impala::MemTracker::Consume(), impala::MemTracker::GcMemory(), impala::HdfsTextScanner::IssueInitialRanges(), impala::MemTracker::Release(), and impala::MemTracker::TryConsume().

bool impala::RuntimeProfile::HighWaterMarkCounter::TryAdd ( int64_t  delta, int64_t  max  )

inline

Tries to increase the current value by delta. If current_value() + delta exceeds max, return false and current_value is not changed.

Definition at line 136 of file runtime-profile.h.

References impala::AtomicInt< T >::CompareAndSwap(), current_value_, LIKELY, impala::AtomicInt< T >::UpdateMax(), and impala::RuntimeProfile::Counter::value_.

Referenced by impala::MemTracker::TryConsume().

TUnit::type impala::RuntimeProfile::Counter::unit ( ) const

inlineinherited

Definition at line 114 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::unit_.

Referenced by impala::ScopedTimer< impala::MonotonicStopWatch >::ScopedTimer(), impala::TEST(), and impala::RuntimeProfile::UnitsPerSecond().

virtual int64_t impala::RuntimeProfile::Counter::value ( ) const

inlinevirtualinherited

Reimplemented in impala::RuntimeProfile::DerivedCounter.

Definition at line 108 of file runtime-profile.h.

References impala::RuntimeProfile::Counter::value_.

Referenced by impala::HdfsScanNode::Close(), impala::RuntimeProfile::ComputeTimeInProfile(), impala::BufferedBlockMgr::DebugInternal(), impala::HdfsScanNode::EnoughMemoryForScannerThread(), impala::Coordinator::BackendExecState::GetNodeThroughput(), impala::Coordinator::BackendExecState::GetNumScanRangesCompleted(), impala::MemTracker::peak_consumption(), impala::HdfsScanNode::ScannerThread(), impala::RuntimeProfile::Counter::Set(), impala::HdfsScanNode::StopAndFinalizeCounters(), impala::PeriodicCounterUpdater::StopBucketingCounters(), impala::TEST(), impala::TEST_F(), impala::HdfsScanNode::ThreadTokenAvailableCb(), impala::RuntimeProfile::UnitsPerSecond(), impala::RuntimeProfile::AveragedCounter::UpdateCounter(), and impala::ValidateCounter().

Member Data Documentation

AtomicInt<int64_t> impala::RuntimeProfile::HighWaterMarkCounter::current_value_

private

The current value of the counter. value_ in the super class represents the high water mark.

Definition at line 158 of file runtime-profile.h.

Referenced by Add(), current_value(), Set(), and TryAdd().

TUnit::type impala::RuntimeProfile::Counter::unit_

protectedinherited

Definition at line 120 of file runtime-profile.h.

Referenced by impala::RuntimeProfile::Counter::unit(), and impala::RuntimeProfile::AveragedCounter::UpdateCounter().

AtomicInt<int64_t> impala::RuntimeProfile::Counter::value_

protectedinherited

Definition at line 119 of file runtime-profile.h.

Referenced by impala::RuntimeProfile::Counter::Add(), Add(), impala::RuntimeProfile::Counter::BitOr(), impala::RuntimeProfile::Counter::double_value(), impala::RuntimeProfile::Counter::Set(), Set(), TryAdd(), impala::RuntimeProfile::AveragedCounter::UpdateCounter(), and impala::RuntimeProfile::Counter::value().

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

• be/src/util/runtime-profile.h