Mem::Meter Class Reference

#include <Meter.h>

Public Member Functions
void	flush ()
	flush the meter level back to 0, but leave peak records
ssize_t	currentLevel () const
ssize_t	peak () const
time_t	peakTime () const
Meter &	operator++ ()
Meter &	operator-- ()
Meter &	operator+= (ssize_t n)
Meter &	operator-= (ssize_t n)

Private Member Functions
void	checkHighWater ()

Private Attributes
ssize_t	level = 0
	current level (count or volume)
ssize_t	hwater_level = 0
	high water mark
time_t	hwater_stamp = 0
	timestamp of last high water mark change

Detailed Description

object to track per-action memory usage (e.g. #idle objects)

Definition at line 20 of file Meter.h.

Member Function Documentation

checkHighWater()

void Mem::Meter::checkHighWater ( )

inlineprivate

check the high-water level of this meter and raise if necessary recording the timestamp of last high-water peak change

Definition at line 39 of file Meter.h.

References hwater_level, hwater_stamp, level, and squid_curtime.

Referenced by operator++(), and operator+=().

currentLevel()

ssize_t Mem::Meter::currentLevel ( ) const

inline

Definition at line 26 of file Meter.h.

References level.

Referenced by MemPoolChunked::allocate(), MemPools::clean(), MemPoolChunked::deallocate(), MemPools::flushMeters(), GetInfo(), Mem::Allocator::getInUseCount(), MemPoolChunked::getStats(), MemPoolMalloc::getStats(), MemPoolChunked::idleTrigger(), Mem::PoolReport(), Mem::Report(), snmp_prfSysFn(), and Mem::Stats().

flush()

void Mem::Meter::flush ( )

inline

Definition at line 24 of file Meter.h.

References level.

Referenced by Mem::PoolMeter::flush().

operator++()

Meter & Mem::Meter::operator++ ( )

inline

Definition at line 30 of file Meter.h.

References checkHighWater(), and level.

operator+=()

Meter & Mem::Meter::operator+= ( ssize_t  n )

inline

Definition at line 33 of file Meter.h.

References checkHighWater(), and level.

operator--()

Meter & Mem::Meter::operator-- ( )

inline

Definition at line 31 of file Meter.h.

References level.

operator-=()

Meter & Mem::Meter::operator-= ( ssize_t  n )

inline

Definition at line 34 of file Meter.h.

References level.

peak()

ssize_t Mem::Meter::peak ( ) const

inline

Definition at line 27 of file Meter.h.

References hwater_level.

Referenced by Mem::PoolReport().

peakTime()

time_t Mem::Meter::peakTime ( ) const

inline

Definition at line 28 of file Meter.h.

References hwater_stamp.

Referenced by Mem::PoolReport().

Member Data Documentation

hwater_level

ssize_t Mem::Meter::hwater_level = 0

private

Definition at line 47 of file Meter.h.

Referenced by checkHighWater(), and peak().

hwater_stamp

time_t Mem::Meter::hwater_stamp = 0

private

Definition at line 48 of file Meter.h.

Referenced by checkHighWater(), and peakTime().

level

ssize_t Mem::Meter::level = 0

private

Definition at line 46 of file Meter.h.

Referenced by checkHighWater(), currentLevel(), flush(), operator++(), operator+=(), operator--(), and operator-=().

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

• squid/src/mem/Meter.h