net.floodlightcontroller.util
Class LoadMonitor

java.lang.Object
  net.floodlightcontroller.util.LoadMonitor

All Implemented Interfaces:

java.lang.Runnable

public class LoadMonitor
extends java.lang.Object
implements java.lang.Runnable

Nested Class Summary

static class

LoadMonitor.LoadLevel

Field Summary

protected boolean	isLinux
protected int	itersLoaded
protected int	jiffyNanos
protected long[]	lastIdle
protected long[]	lastNanos
protected double	load
protected LoadMonitor.LoadLevel	loadlevel
static int	LOADMONITOR_SAMPLING_INTERVAL
protected org.slf4j.Logger	log
static int	MAX_LOAD_HISTORY
static int	MAX_LOADED_ITERATIONS
protected int	numcores
static double	THRESHOLD_HIGH
static double	THRESHOLD_VERYHIGH

Constructor Summary

LoadMonitor(org.slf4j.Logger log_)

Method Summary

double	getLoad()
LoadMonitor.LoadLevel	getLoadLevel()
static void	main(java.lang.String[] args)
java.util.concurrent.ScheduledFuture<?>	printMonitoring(java.util.concurrent.ScheduledExecutorService ses)
protected long	readIdle()
void	run()
protected java.lang.String	runcmd(java.lang.String cmd)
java.util.concurrent.ScheduledFuture<?>	startMonitoring(java.util.concurrent.ScheduledExecutorService ses)

Methods inherited from class java.lang.Object

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

Field Detail

LOADMONITOR_SAMPLING_INTERVAL

public static final int LOADMONITOR_SAMPLING_INTERVAL

See Also:

Constant Field Values

THRESHOLD_HIGH

public static final double THRESHOLD_HIGH

See Also:

Constant Field Values

THRESHOLD_VERYHIGH

public static final double THRESHOLD_VERYHIGH

See Also:

Constant Field Values

MAX_LOADED_ITERATIONS

public static final int MAX_LOADED_ITERATIONS

See Also:

Constant Field Values

MAX_LOAD_HISTORY

public static final int MAX_LOAD_HISTORY

See Also:

Constant Field Values

load

protected volatile double load

loadlevel

protected volatile LoadMonitor.LoadLevel loadlevel

itersLoaded

protected int itersLoaded

isLinux

protected boolean isLinux

numcores

protected int numcores

jiffyNanos

protected int jiffyNanos

lastNanos

protected long[] lastNanos

lastIdle

protected long[] lastIdle

log

protected org.slf4j.Logger log

Constructor Detail

LoadMonitor

public LoadMonitor(org.slf4j.Logger log_)

Method Detail

getLoadLevel

public LoadMonitor.LoadLevel getLoadLevel()

getLoad

public double getLoad()

run

public void run()

Specified by:

run in interface java.lang.Runnable

runcmd

protected java.lang.String runcmd(java.lang.String cmd)

readIdle

protected long readIdle()

startMonitoring

public java.util.concurrent.ScheduledFuture<?> startMonitoring(java.util.concurrent.ScheduledExecutorService ses)

printMonitoring

public java.util.concurrent.ScheduledFuture<?> printMonitoring(java.util.concurrent.ScheduledExecutorService ses)

main

public static void main(java.lang.String[] args)