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EventFilters

  • Article

EventFilters element specifies event IDs to filter events from a manifest based provider.

Element Hierarchy

Syntax

<EventFilters FilterIn = "true" | "false" Operation = "Set" | "Add" | "Remove" >

  <!-- Child elements -->
  <EventId>

</EventFilters>

Attributes and Elements

Attributes

Attribute Description Data type Required Default
FilterIn Indicates whether to include or exclude the specified events. boolean Yes
Operation Indicates whether keywords should be set or added. This attribute can have one of the following values:
  • Set
  • Add
  • Remove
 No Set

Child Elements

Element Description Requirement
EventId The event ID defined in a manifest. Required, 1 or more.

Parent Elements

Element Description
EventProvider Represents an event provider for the profile.

Remark

EventFilters element enables event filtering through EVENT_FILTER_DESCRIPTOR, Type EVENT_FILTER_TYPE_EVENT_ID.

Even though ETW supports powerful payload and attribute filtering, events should primarily be filtered based scope filters or via level and keyword for less CPU overhead.

Example

    <EventProvider Id="EP_Microsoft-Windows-Win32k" Name="8c416c79-d49b-4f01-a467-e56d3aa8234c" NonPagedMemory="true">
      <EventFilters FilterIn="false">
        <EventId Value="164" />
        <EventId Value="166" />
        <EventId Value="167" />
        <EventId Value="169" />
      </EventFilters>
      <StackFilters FilterIn="true">
        <EventId Value="88" />
        <EventId Value="65" />
      </StackFilters>
    </EventProvider>

Elements