Duration alternatives and similar libraries
Based on the "Logging" category.
Alternatively, view Duration alternatives based on common mentions on social networks and blogs.
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XCGLogger
A debug log framework for use in Swift projects. Allows you to log details to the console (and optionally a file), just like you would have with NSLog() or print(), but with additional information, such as the date, function name, filename and line number. -
Dotzu
DISCONTINUED. Debbuger tool for iOS developer. Display logs, network request, device informations, crash logs while using the app. -
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TinyConsole
📱💬🚦 TinyConsole is a micro-console that can help you log and display information inside an iOS application, where having a connection to a development computer is not possible. -
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CleanroomLogger
CleanroomLogger provides an extensible Swift-based logging API that is simple, lightweight and performant -
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Atlantis
A powerful input-agnostic swift logging framework made to speed up development with maximum readability. -
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Puree
DISCONTINUED. [Obsoleted] A log collector for iOS (new version! -> https://github.com/cookpad/Puree-Swift) -
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CleanroomASL
DISCONTINUED. A Swift-based API for reading from & writing to the Apple System Log (more commonly known somewhat inaccurately as "the console") -
TraceLog
TraceLog is a highly configurable, flexible, portable, and simple to use debug logging system for Swift and Objective-C applications running on Linux, macOS, iOS, watchOS, and tvOS. -
CacheAdvance
A performant cache for logging systems. CacheAdvance persists log events 30x faster than SQLite.
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README
Duration
A simple Swift package for measuring and reporting the time taken for operations. It is derived from a version for Playgrounds that I blogged about some time ago, but kept needing to use in various projects.
License
Duration is distributed under the Apache 2.0 license
Usage
Duration supports iOS, OS X, tvOS, and Linux.
Installation
Install via the Swift Package Manager
Add the following to your Package.swift
.Package(url: "https://github.com/SwiftStudies/Duration.git", majorVersion: 1)
Simple Measurements
There are two methods for simple timing measurements. You can insert calls before and after the section of code you wish to measure, for example
Duration.startMeasurement("Tough Math")
yourToughMathStuff()
Duration.stopMeasurement()
Or you can use a block
Duration.measure("Tough Math"){
yourToughMathStuff()
}
Or even
Duration.measure("Tough Math", block: yourToughMathStuff)
In all cases (by default) you will get the output (assuming it took 243 milliseconds)
Tough Math took: 243ms
If measurements are nested, they will be appropriately indented in the output, for example if yourToughMath() made a measurement of part of its code you would see
Measuring Tough Math: Part 1 took: 100ms Part 2 took: 143ms Tough Math took: 243ms
Understanding Performance Deviations
In order to better understand how your code is impacted by other things the system is doing you can get average times and standard deviations for block based measurements by supplying a number of iterations for the block, so
Duration.measure("Tough Math", iterations: 10, forBlock:myToughMath)
Would run the block 10 times, taking and reporting the 10 individual measurements and then the average time taken for the block, together with the standard deviation
Measuring Tough Math Iteration 1 took: 243ms Iteration 2 took: 242ms ... Iteration 10 took: 243ms Tough Math Average: 243ms Tough Math STD Dev.: 1ms
Stopping Report Generation
Because you may want to stop reporting of measurements in release builds, you can set the logStyle variable in order to control the logging behavior
Duration.logStyle = .None
Will disable measurement logging. In the future I will extend this library to support logging to a data-structure for subsequent analysis, but at this point there are two valid values .None and .Print
If you are using Duration within a Package of your own that you are distributing, rather than just over-writing the log style, you can push your desired style, then pop it to restore it to what a consuming package would want. For example
public func myMethod(){
//Because this is a release of your package
//don't log measurements
pushLogStyle(.None)
// Do stuff that is instrumented
//Restore the logging style to whatever it was
//before
popLogStyle()
}
Reporting Issues
Please report issues using GitHub's standard system
*Note that all licence references and agreements mentioned in the Duration README section above
are relevant to that project's source code only.