SystemCollector

Applies To: Windows 8, Windows 8.1

Describes the configurations to enable the Event Tracing for Windows® (ETW) kernel-mode session.

Element Hierarchy

Syntax

<SystemCollector Id       = IdType
                 Base     = string
                 Name     = "NT Kernel Logger" | "Circular Kernel Context Logger"
                 Realtime = boolean>

  <!-- Child elements -->
  BufferSize,
  Buffers,
  StackCaching

</SystemCollector>

Attributes and Elements

Attributes

Attribute	Description	Data type	Required	Default
Id	Uniquely identifies the system collector.	String that must have at least one character and cannot contain colons (:) or spaces.	Yes
Base	Identifies the base of the system collector. Derived collectors have all the attributes of the base collector. These can be overridden by explicitly specifying them in the derived collector.	string	No
Name	Indicates the name of the system collector.	This attribute can have one of the following values: NT Kernel Logger Circular Kernel Context Logger	Yes
Realtime	Indicates whether the collector works in real time.	boolean	No	false

Child Elements

Element	Description	Requirement.
BufferSize	Describes the size of each buffer, in KB.	Required, exactly 1.
Buffers	Describes the number of buffers to be allocated when starting a session.	Required, exactly 1.
StackCaching	Describes stack caching attributes of collectors.

Parent Elements

Element	Description
Profiles	Represents a collection of collectors, providers, and profiles.

Remarks

System collector definitions should precede event collector definitions.

Example

The following code example defines a system collector.

<SystemCollector
  Id="WPRSystemCollector”
  Name="NT Kernel Logger"
  FileName="WPRKernel.etl">
  <BufferSize Value="512"/>
  <Buffers Value="3" PercentageOfTotalMemory="true"/>
</SystemCollector>

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