Package PamUtils

Class NanoTimer

java.lang.Object

PamUtils.NanoTimer

public class NanoTimer
extends Object

Utility to measure execution times of various parts of PAMGuard. All based on nanosecond times from the system clock so does not really represent CPU usage of individual threads.

Author:

dg50

Constructor Summary

Constructors

Constructor	Description
NanoTimer(String timerName)

Method Summary

Modifier and Type	Method	Description
long	getMeanTime()	Mean time over n calls if setRunningCount(n) was previously called.
void	setRuningCount(int nRunningCounts)	Set the number of calls to make average measurements over.
void	start()	Start the timer
long	Stop(PrintStream os)	Stop the timer
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

NanoTimer

public NanoTimer(String timerName)

Parameters:

timerName - Name for the timer

Method Details

start

public void start()

Start the timer

Stop

public long Stop(PrintStream os)

Stop the timer

Parameters:

os - name of a print stream if you want quick terminal output (e.g. System.out)

Returns:

time in nanos since start() was called.

getMeanTime

public long getMeanTime()

Mean time over n calls if setRunningCount(n) was previously called.

Returns:

mean time over n calls to start() / stop().

setRuningCount

public void setRuningCount(int nRunningCounts)

Set the number of calls to make average measurements over.

Parameters:

iRuningCount - the iRuningCount to set

toString

public String toString()

Overrides:

toString in class Object