Class ProcessCpuUsage

Definition

Namespace:: Tizen.System

Assembly:: Tizen.System.Information.dll

API Level:: 3

The class for CPU usage per process.


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public class ProcessCpuUsage

Inheritance: System.Object

ProcessCpuUsage

Constructors

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ProcessCpuUsage(IEnumerable<Int32>)

The constructor of ProcessCpuUsage class.

Declaration


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public ProcessCpuUsage(IEnumerable<int> pid)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<Int32>	pid	List of unique process ids.

Exceptions

Type	Condition
System.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


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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


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public uint GetSTime(int pid)

Parameters

Type	Name	Description
Int32	pid	The process id.

Returns

Type	Description
System.UInt32	The amount of time `pid` has been scheduled in kernel mode (clock ticks).

Exceptions

Type	Condition
System.ArgumentException	Thrown when the `pid` is invalid.

API Level: 4

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GetUTime(Int32)

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

Declaration


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public uint GetUTime(int pid)

Parameters

Type	Name	Description
Int32	pid	The process id.

Returns

Type	Description
System.UInt32	The amount of time `pid` has been scheduled in user mode (clock ticks).

Exceptions

Type	Condition
System.ArgumentException	Thrown when the `pid` is invalid.

API Level: 4

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Update(IEnumerable<Int32>)

Update the process CPU usage to the latest.

Declaration


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public void Update(IEnumerable<int> pid)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<Int32>	pid	List of unique process ids.

Exceptions

Type	Condition
System.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.