com.berryworks.jquantify.util

Class VMUsage

java.lang.Object

com.berryworks.jquantify.Metric

com.berryworks.jquantify.util.VMUsage

All Implemented Interfaces:

Serializable

public class VMUsage
extends Metric

A subclass of Metric that observes memory usage and number of threads for the VM.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.berryworks.jquantify.Metric

intervalSeconds, startTime, totalIntervals

Constructor Summary

Constructors

Constructor and Description
VMUsage(String inLabel)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(int inCount) Take a sample of the current values from the VM.
int	getActiveThreads() Gets the activeThreads attribute of the VMUsage object
int	getActiveThreadsMaximum() Gets the activeThreadsMaximum attribute of the VMUsage object
float	getActiveThreadsMean() Gets the activeThreadsMean attribute of the VMUsage object
int	getActiveThreadsMinimum() Gets the activeThreadsMinimum attribute of the VMUsage object
long	getCount() Gets the total count of events.
long	getFreeMemory() Gets the freeMemory attribute of the VMUsage object
long	getFreeMemoryMaximum() Gets the freeMemoryMaximum attribute of the VMUsage object
double	getFreeMemoryMean() Gets the freeMemoryMean attribute of the VMUsage object
long	getFreeMemoryMinimum() Gets the freeMemoryMinimum attribute of the VMUsage object
int	getSampleCount() Gets the sampleCount attribute of the VMUsage object
long	getTotalIntervals() Gets the totalIntervals attribute of the VMUsage object
long	getTotalMemory() Gets the totalMemory attribute of the VMUsage object
long	getTotalMemoryMaximum() Gets the totalMemoryMaximum attribute of the VMUsage object
double	getTotalMemoryMean() Gets the totalMemoryMean attribute of the VMUsage object
long	getTotalMemoryMinimum() Gets the totalMemoryMinimum attribute of the VMUsage object
void	reset() Reset this Metric to its "zero" condition.

Methods inherited from class com.berryworks.jquantify.Metric

add, getAge, getAgeMillis, getIntervalSeconds, getLabel, setLabel, uptime

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VMUsage

public VMUsage(String inLabel)

Method Detail

reset

public void reset()

Description copied from class: Metric

Reset this Metric to its "zero" condition.

Overrides:

reset in class Metric

getSampleCount

public int getSampleCount()

Gets the sampleCount attribute of the VMUsage object

Returns:

The sampleCount value

getActiveThreads

public int getActiveThreads()

Gets the activeThreads attribute of the VMUsage object

Returns:

The activeThreads value

getActiveThreadsMinimum

public int getActiveThreadsMinimum()

Gets the activeThreadsMinimum attribute of the VMUsage object

Returns:

The activeThreadsMinimum value

getActiveThreadsMaximum

public int getActiveThreadsMaximum()

Gets the activeThreadsMaximum attribute of the VMUsage object

Returns:

The activeThreadsMaximum value

getActiveThreadsMean

public float getActiveThreadsMean()

Gets the activeThreadsMean attribute of the VMUsage object

Returns:

The activeThreadsMean value

getFreeMemory

public long getFreeMemory()

Gets the freeMemory attribute of the VMUsage object

Returns:

The freeMemory value

getFreeMemoryMinimum

public long getFreeMemoryMinimum()

Gets the freeMemoryMinimum attribute of the VMUsage object

Returns:

The freeMemoryMinimum value

getFreeMemoryMaximum

public long getFreeMemoryMaximum()

Gets the freeMemoryMaximum attribute of the VMUsage object

Returns:

The freeMemoryMaximum value

getFreeMemoryMean

public double getFreeMemoryMean()

Gets the freeMemoryMean attribute of the VMUsage object

Returns:

The freeMemoryMean value

getTotalMemory

public long getTotalMemory()

Gets the totalMemory attribute of the VMUsage object

Returns:

The totalMemory value

getTotalMemoryMinimum

public long getTotalMemoryMinimum()

Gets the totalMemoryMinimum attribute of the VMUsage object

Returns:

The totalMemoryMinimum value

getTotalMemoryMaximum

public long getTotalMemoryMaximum()

Gets the totalMemoryMaximum attribute of the VMUsage object

Returns:

The totalMemoryMaximum value

getTotalMemoryMean

public double getTotalMemoryMean()

Gets the totalMemoryMean attribute of the VMUsage object

Returns:

The totalMemoryMean value

getTotalIntervals

public long getTotalIntervals()

Gets the totalIntervals attribute of the VMUsage object

Overrides:

getTotalIntervals in class Metric

Returns:

0 since VMUsage does not use intervals

add

public void add(int inCount)

Take a sample of the current values from the VM.

Specified by:

add in class Metric

Parameters:

inCount - is ignored

getCount

public long getCount()

Description copied from class: Metric

Gets the total count of events.

Specified by:

getCount in class Metric

Returns:

count