---
title: XCTPerformanceMeasurementTimestamp
framework: xctest
role: symbol
role_heading: Class
path: xctest/xctperformancemeasurementtimestamp
---

# XCTPerformanceMeasurementTimestamp

A point in time that captures the start or finish of a performance test iteration.

## Declaration

```swift
class XCTPerformanceMeasurementTimestamp
```

## Topics

### Initializers

- [init()](xctest/xctperformancemeasurementtimestamp/init().md)
- [init(absoluteTime:date:)](xctest/xctperformancemeasurementtimestamp/init(absolutetime:date:).md)

### Mach Absolute Time

- [absoluteTimeNanoSeconds](xctest/xctperformancemeasurementtimestamp/absolutetimenanoseconds.md)
- [absoluteTime](xctest/xctperformancemeasurementtimestamp/absolutetime.md)

### Date

- [date](xctest/xctperformancemeasurementtimestamp/date.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

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

## See Also

### Measurements

- [XCTPerformanceMeasurement](xctest/xctperformancemeasurement.md)