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# MTLCounterSamplingPoint

Options for different times when you can sample GPU counters.

```
enum MTLCounterSamplingPoint
```

## Topics

### Reading sampling boundary types

[`MTLCounterSamplingPoint.atBlitBoundary`](/documentation/Metal/MTLCounterSamplingPoint/atBlitBoundary)

Counter sampling is allowed between blit commands in a blit pass.

[`MTLCounterSamplingPoint.atDispatchBoundary`](/documentation/Metal/MTLCounterSamplingPoint/atDispatchBoundary)

Counter sampling is allowed between kernel dispatches in a compute pass.

[`MTLCounterSamplingPoint.atDrawBoundary`](/documentation/Metal/MTLCounterSamplingPoint/atDrawBoundary)

Counter sampling is allowed between draw commands in a render pass.

[`MTLCounterSamplingPoint.atStageBoundary`](/documentation/Metal/MTLCounterSamplingPoint/atStageBoundary)

Counter sampling is allowed at the start and end of a render pass’s vertex and fragment stages, and at the start and end of compute and blit passes.

[`MTLCounterSamplingPoint.atTileDispatchBoundary`](/documentation/Metal/MTLCounterSamplingPoint/atTileDispatchBoundary)

Counter sampling is allowed between tile dispatches in a render pass.


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