Class ProcessCpuUsage

Definition

Namespace:
Tizen.System
Assembly:
Tizen.System.Information.dll
API Level:
3

The class for CPU usage per process.

public class ProcessCpuUsage
Inheritance
Object
ProcessCpuUsage

Constructors

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ProcessCpuUsage(IEnumerable<Int32>)

The constructor of ProcessCpuUsage class.

Declaration
public ProcessCpuUsage(IEnumerable<int> pid)
Parameters
Type Name Description
IEnumerable<Int32> pid

List of unique process ids.
Exceptions
Type Condition
ArgumentException

Thrown when the pid is empty.
IOException

Thrown when an I/O error occurs while reading from the system or requesting to the resource management daemon.
OutOfMemoryException

Thrown when the memory is not enough to allocate.
UnauthorizedAccessException

Thrown when the caller does not have privilege to use this method.
API Level: 4
Privilege Level: public
Privilege: http://tizen.org/privilege/systemmonitor

Properties

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Count

The number of usage entries.

Declaration
public int Count { get; }
Property Value
Type Description
Int32
API Level: 4

Methods

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GetSTime(Int32)

Gets the amount of time this process has been scheduled in kernel mode.

Declaration
public uint GetSTime(int pid)
Parameters
Type Name Description
Int32 pid

The process id.
Returns
Type Description
UInt32

The amount of time pid has been scheduled in kernel mode (clock ticks).
Exceptions
Type Condition
ArgumentException

Thrown when the pid is invalid.
API Level: 4
View Source

GetUTime(Int32)

Gets the amount of time this process has been scheduled in user mode.

Declaration
public uint GetUTime(int pid)
Parameters
Type Name Description
Int32 pid

The process id.
Returns
Type Description
UInt32

The amount of time pid has been scheduled in user mode (clock ticks).
Exceptions
Type Condition
ArgumentException

Thrown when the pid is invalid.
API Level: 4
View Source

Update(IEnumerable<Int32>)

Update the process CPU usage to the latest.

Declaration
public void Update(IEnumerable<int> pid)
Parameters
Type Name Description
IEnumerable<Int32> pid

List of unique process ids.
Exceptions
Type Condition
ArgumentException

Thrown when the pid is empty.
IOException

Thrown when an I/O error occurs while reading from the system or requesting to the resource management daemon.
OutOfMemoryException

Thrown when the memory is not enough to allocate.
UnauthorizedAccessException

Thrown when the caller does not have privilege to use this method.
API Level: 4
Privilege Level: public
Privilege: http://tizen.org/privilege/systemmonitor