Class SystemCpuUsage

Definition

Namespace:

Tizen.System

Assembly:

Tizen.System.Information.dll

The class for system CPU usage.

public class SystemCpuUsage

Inheritance

object

SystemCpuUsage

Constructors

SystemCpuUsage()

The constructor of SystemCpuUsage class.

Declaration

public SystemCpuUsage()

Exceptions

Type	Condition
System.IO.IOException	Thrown when an I/O error occurs while reading from the system.
System.NotSupportedException	Thrown when this system does not store the current CPU frequency.

Properties

IoWait

Time waiting for I/O completion (Percent).

Declaration

public double IoWait { get; }

Property Value

Type	Description
double

Nice

Running time of niced user processes (Percent).

Declaration

public double Nice { get; }

Property Value

Type	Description
double

ProcessorCount

The number of processors.

Declaration

public int ProcessorCount { get; }

Property Value

Type	Description
int

System

Running time of kernel processes (Percent).

Declaration

public double System { get; }

Property Value

Type	Description
double

User

Running time of un-niced user processes (Percent).

Declaration

public double User { get; }

Property Value

Type	Description
double

Methods

GetCurrentFrequency(int)

Gets the current frequency of the processor.

Declaration

public int GetCurrentFrequency(int coreId)

Parameters

Type	Name	Description
int	coreId	The index (from 0) of the CPU core that you want to know the frequency of.

Returns

Type	Description
int	The current frequency(MHz) of processor.

Exceptions

Type	Condition
System.ArgumentException	Thrown when the coreId is invalid.

GetMaxFrequency(int)

Gets the max frequency of the processor.

Declaration

public int GetMaxFrequency(int coreId)

Parameters

Type	Name	Description
int	coreId	The index (from 0) of CPU core that you want to know the frequency of.

Returns

Type	Description
int	The max frequency(MHz) of processor.

Exceptions

Type	Condition
System.ArgumentException	Thrown when the coreId is invalid.

Update()

Update the system CPU usage to the latest.

Declaration

public void Update()

Exceptions

Type	Condition
System.IO.IOException	Thrown when an I/O error occurs while reading from the system.
System.NotSupportedException	Thrown when this system does not store the current CPU frequency.