Package org.cloudbus.cloudsim.vms

Class HostResourceStats

java.lang.Object

org.cloudbus.cloudsim.vms.ResourceStats<Host>

org.cloudbus.cloudsim.vms.HostResourceStats

public class HostResourceStats
extends ResourceStats<Host>

Computes resource utilization statistics for a specific resource on a given Host.

Since:

CloudSim Plus 6.1.0

Author:

Manoel Campos da Silva Filho

Field Summary

Fields

Modifier and Type	Field	Description
static final HostResourceStats	NULL

Constructor Summary

Constructors

Constructor	Description
HostResourceStats(Host machine, Function<Host,Double> resourceUtilizationFunction)	Creates a HostResourceStats to collect resource utilization statistics for a Host.

Method Summary

Modifier and Type	Method	Description
boolean	add(double time)	Collects the current resource utilization percentage (in scale from 0 to 1) for the given time to the statistics.

Methods inherited from class org.cloudbus.cloudsim.vms.ResourceStats

count, getMachine, getMax, getMean, getMin, getPreviousTime, getStandardDeviation, getVariance, isElapsedTimeSmall, isEmpty, isNotEntireSecondElapsed, isNotTimeToAddHistory

Methods inherited from class java.lang.Object

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

Field Details

NULL

public static final HostResourceStats NULL

Constructor Details

HostResourceStats

public HostResourceStats(Host machine,
 Function<Host,Double> resourceUtilizationFunction)

Creates a HostResourceStats to collect resource utilization statistics for a Host.

Parameters:

machine - the Host where the statistics will be collected

resourceUtilizationFunction - a Function that receives a Host and returns the current resource utilization for that Host

Method Details

add

public boolean add(double time)

Collects the current resource utilization percentage (in scale from 0 to 1) for the given time to the statistics.. The method is automatically called when the Host processing is updated.

Overrides:

add in class ResourceStats<Host>

Parameters:

time - current simulation time

Returns:

true if data was collected, false otherwise (meaning it's not time to collect data).