---
title: MXCPUExceptionDiagnostic
framework: metrickit
role: symbol
role_heading: Class
path: metrickit/mxcpuexceptiondiagnostic
---

# MXCPUExceptionDiagnostic

An object representing a diagnostic report for a fatal or nonfatal CPU exception.

## Declaration

```swift
class MXCPUExceptionDiagnostic
```

## Overview

Overview A CPU exception occurs when your app uses an excessive amount of CPU time over a short period.

## Topics

### Viewing the call stack

- [callStackTree](metrickit/mxcpuexceptiondiagnostic/callstacktree.md)

### Viewing app CPU time

- [totalCPUTime](metrickit/mxcpuexceptiondiagnostic/totalcputime.md)
- [totalSampledTime](metrickit/mxcpuexceptiondiagnostic/totalsampledtime.md)

## Relationships

### Inherits From

- [MXDiagnostic](metrickit/mxdiagnostic.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Performance diagnostics

- [MXAppLaunchDiagnostic](metrickit/mxapplaunchdiagnostic.md)
- [MXCrashDiagnostic](metrickit/mxcrashdiagnostic.md)
- [MXHangDiagnostic](metrickit/mxhangdiagnostic.md)
- [MXDiskWriteExceptionDiagnostic](metrickit/mxdiskwriteexceptiondiagnostic.md)