---
title: MXDiskWriteExceptionDiagnostic
framework: metrickit
role: symbol
role_heading: Class
path: metrickit/mxdiskwriteexceptiondiagnostic
---

# MXDiskWriteExceptionDiagnostic

An object representing a diagnostic report for a disk write exception.

## Declaration

```swift
class MXDiskWriteExceptionDiagnostic
```

## Overview

Overview A disk write exception occurs when the app writes an excessive amount of data to the disk.

## Topics

### Reading total disk writes

- [totalWritesCaused](metrickit/mxdiskwriteexceptiondiagnostic/totalwritescaused.md)

### Viewing the call stack

- [callStackTree](metrickit/mxdiskwriteexceptiondiagnostic/callstacktree.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)
- [MXCPUExceptionDiagnostic](metrickit/mxcpuexceptiondiagnostic.md)
- [MXCrashDiagnostic](metrickit/mxcrashdiagnostic.md)
- [MXHangDiagnostic](metrickit/mxhangdiagnostic.md)