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Represents a collection of Events.
Element Hierarchy
- <WindowsPerformanceRecorder>
Syntax
<Events Operation = OperationEnumeration = "Set" | "Add" | “Remove”>
<!-- Child elements -->
Event
</Events>
Attributes and Elements
Attributes
| Attribute | Description | Data type | Required | Default |
|---|---|---|---|---|
| Operation | Indicates whether events should be set or added. | This attribute can have one of the following values:
|
No | Set |
Child Elements
| Element | Description | Requirement |
|---|---|---|
| Event | Describes the kernel events that counters to be collected with. | Required, 1 or more. |
Parent Elements
| Element | Description |
|---|---|
| HardwareCounter | Represents a hardware counter provider. |
Example
The following code example is to collect TotalCycles and InstructionRetired counter event on the CSwitch kernel event. The name of counters are based on CPU. Use wpr -pmcsources to enumerate available values. Refer to Event for available Event values.
<HardwareCounter Id="PerfWorkloads">
<Counters>
<Counter Value="TotalCycles"/>
<Counter Value="InstructionRetired" />
</Counters>
<Events>
<Event Value="CSwitch"/>
</Events>
</HardwareCounter>