DeviceUtilStatsMonitor

public class DeviceUtilStatsMonitor
extends Object implements IDeviceMonitor

java.lang.Object
↳	com.android.tradefed.device.DeviceUtilStatsMonitor

A IDeviceMonitor that calculates device utilization stats.

Currently measures simple moving average of allocation time % over a 24 hour window.

Summary

Nested classes
`enum`	`DeviceUtilStatsMonitor.StubDeviceUtil` Enum for configuring treatment of stub devices when calculating average host utilization
`class`	`DeviceUtilStatsMonitor.UtilizationDesc` Container for utilization stats.

Public constructors
`DeviceUtilStatsMonitor()`

Public methods
`DeviceUtilStatsMonitor.UtilizationDesc`	`getUtilizationStats()` Get the device utilization up to the last 24 hours
`void`	`notifyDeviceStateChange(String serial, DeviceAllocationState oldState, DeviceAllocationState newState)` Listens to device state changes and records time that device transitions from or to available or allocated state.
`void`	`run()` A method that will be called after all of the Monitor's @Option fields have been set.
`void`	`setDeviceLister(IDeviceMonitor.DeviceLister lister)` Allows the `DeviceLister` to be set.
`void`	`stop()` A method that will be called when the Monitor need to be stopped.

public DeviceUtilStatsMonitor ()

public DeviceUtilStatsMonitor.UtilizationDesc getUtilizationStats ()

Get the device utilization up to the last 24 hours

Returns
`DeviceUtilStatsMonitor.UtilizationDesc`

public void notifyDeviceStateChange (String serial, 
                DeviceAllocationState oldState, 
                DeviceAllocationState newState)

Listens to device state changes and records time that device transitions from or to available or allocated state.

public void run ()

A method that will be called after all of the Monitor's @Option fields have been set.

public void setDeviceLister (IDeviceMonitor.DeviceLister lister)

Allows the DeviceLister to be set. After a successful attempt to set the Lister, implementations may discard all subsequent attempts.

Parameters
`lister`	`IDeviceMonitor.DeviceLister`

public void stop ()

A method that will be called when the Monitor need to be stopped.