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---
title: PyInstrument
summary: Easily Instrument your Schema
tags: instrumentation,profiling
---
# `PyInstrument`
This extension allows you to instrument your schema and inspect the call stack.
## Usage example:
```python
import strawberry
from strawberry.extensions import pyinstrument
@strawberry.type
class Query:
@strawberry.field
def hello(self) -> str:
return "Hello, world!"
schema = strawberry.Schema(
Query,
extensions=[
pyinstrument.PyInstrument(report_path="pyinstrument.html"),
],
)
```
## API reference:
```python
class PyInstrument(report_Path=Path("pyinstrument.html")): ...
```
#### `report_path: Path = Path("pyinstrument.html")`
Path to write the HTML PyInstrument report
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