---
title: callStackPerThread
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/callstacktree/callstackperthread
---

# callStackPerThread

Whether call stacks are organized per-thread

## Declaration

```swift
let callStackPerThread: Bool
```

## Mentioned in

Analyzing app performance with MetricKit

## See Also

### Threads and frames

- [callStackThreads](metrickit/callstacktree/callstackthreads.md)
- [forEachFrame(_:)](metrickit/callstacktree/foreachframe(_:).md)