edu.umd.cs.findbugs

Class Footprint

java.lang.Object

edu.umd.cs.findbugs.Footprint

public class Footprint
extends Object

Class to maintain a snapshot of a processes's time and memory usage. This uses some JDK 1.5 APIs so must be careful that it doesn't cause any harm when run from 1.4.

Author:

Brian Cole

See Also:

FindBugs

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Footprint.CollectionBeanWrapper Wrapper so that possible NoClassDefFoundError can be caught.
static class	Footprint.MemoryBeanWrapper Wrapper so that possible NoClassDefFoundError can be caught.
static class	Footprint.OperatingSystemBeanWrapper Wrapper so that possible NoClassDefFoundError can be caught.

Constructor Summary

Constructors

Constructor and Description
Footprint()
Footprint(Footprint base) uses deltas from base for cpuTime and clockTime (but not peakMemory)

Method Summary

Methods

Modifier and Type	Method and Description
long	getClockTime()
long	getCollectionTime()
long	getCpuTime()
long	getPeakMemory()
static void	main(String[] argv)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Footprint

public Footprint()

Footprint

public Footprint(Footprint base)

uses deltas from base for cpuTime and clockTime (but not peakMemory)

Method Detail

getCpuTime

public long getCpuTime()

getClockTime

public long getClockTime()

getPeakMemory

public long getPeakMemory()

getCollectionTime

public long getCollectionTime()

toString

public String toString()

Overrides:

toString in class Object

main

public static void main(String[] argv)