macOS system library in Swift

Related tags

Utility SystemKit
Overview

SystemKit

A macOS system library in Swift based off of libtop, from Apple's top implementation.

  • For an example usage of this library, see dshb, a macOS system monitor in Swift
  • For other system related statistics in Swift for macOS, see SMCKit

Requirements

Installation

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate SystemKit into your Xcode project using Carhage, specify it in your Cartfile:

github "beltex/SystemKit"

Run carthage update to build the framework and drag the built SystemKit.framework into your Xcode project. Don't forget to alter your Carthage building phase for macOS.

Example

Sample ouput from example.

// MACHINE STATUS

-- CPU --
  PHYSICAL CORES:  2
  LOGICAL CORES:   2
  SYSTEM:          10%
  USER:            17%
  IDLE:            71%
  NICE:            0%

-- MEMORY --
  PHYSICAL SIZE:   7.75GB
  FREE:            1.33GB
  WIRED:           866MB
  ACTIVE:          5.04GB
  INACTIVE:        516MB
  COMPRESSED:      0MB

-- SYSTEM --
  MODEL:           MacBookPro7,1
  SYSNAME:         Darwin
  NODENAME:        beltex.local
  RELEASE:         13.4.0
  VERSION:         Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014...
  MACHINE:         x86_64
  UPTIME:          6d 21h 4m 38s
  PROCESSES:       197
  THREADS:         967
  LOAD AVERAGE:    [3.18, 3.89, 3.99]
  MACH FACTOR:     [0.436, 0.385, 0.322]

-- POWER --
  CPU SPEED LIMIT: 100.0%
  CPUs AVAILABLE:  2
  SCHEDULER LIMIT: 100.0%
  THERMAL LEVEL:   Not Published

-- BATTERY --
  AC POWERED:      true
  CHARGED:         true
  CHARGING:        false
  CHARGE:          100.0%
  CAPACITY:        1675 mAh
  MAX CAPACITY:    1675 mAh
  DESGIN CAPACITY: 5450 mAh
  CYCLES:          646
  MAX CYCLES:      1000
  TEMPERATURE:     30.0°C
  TIME REMAINING:  0:45

References

License

This project is under the MIT License.

Comments
  • Handling kinfo_proc

    Handling kinfo_proc

    • Can't seem to handle kinfo_proc
    • See compiler bugs 2259, 2260 - https://github.com/practicalswift/swift-compiler-crashes
    • Doesn't seem currently possible, thus we use a bridging header, make the call in C, and return a simplified struct in the mean time

    Additional Refs

    • https://github.com/practicalswift/swift-compiler-crashes/pull/34
    • https://github.com/practicalswift/swift-compiler-crashes/pull/35
    bug 
    opened by beltex 2
  • Result of usageCPU doesn't update

    Result of usageCPU doesn't update

    Hi there, it looks that the result of a call to the usageCPU doesn't update the returned values. This my my fragment of code (99% identical to the documentation):

        var sys = System()
    let cpuUsage = sys.usageCPU()

    cpuUsageSystem.stringValue =  "\(Int(cpuUsage.system))%"
    cpuUsageUser.stringValue =  "\(Int(cpuUsage.user))%"
    cpuUsageIdle.stringValue =  "\(Int(cpuUsage.idle))%"
    cpuUsageNice.stringValue = "\(Int(cpuUsage.nice))%"
    opened by getangar 0
  • CpuUsage not updating

    CpuUsage not updating

    I'm running the example code in a swift UI app inside a 1sec timer. While I can see load and memory usage updating, the cpu usage remains constant- 7% system, 12% user and 81% idle. While the numbers are actually fluctuating, they only do so at the 5th digit.

    It looks a bit as if the raw OS counters are being exported, not the actual load?

    opened by andig 0
  • Installation issue

    Installation issue

    Carthage is giving me an error while installation as

    Skipped building SystemKit due to the error: Dependency "SystemKit" has no shared framework schemes

    P.S. I've tried with other projects and they are working fine.

    opened by SkrewEverything 7
  • Not showing correct battery charge

    Not showing correct battery charge

    I don't know if this is a bug or just me. But using the Battery method charge() doesn't seem to return the correct charge. It's about 5-6 percents lower than what it should be.

    screen shot 2016-06-29 at 23 27 47 screen shot 2016-06-29 at 23 28 45

    opened by pkrll 2
Releases(v0.0.5)

  • v0.0.5(Jun 15, 2015)

    • Updated to Xcode 6.3.2
    • Replace processCount() & threadCount() with processCounts()
    • This release is simply for the purpose of being a marker before the update to Swift 2.0 which will have breaking changes
    Xcode 6.3.2
Build version 6D2105
Apple Swift version 1.2 (swiftlang-602.0.53.1 clang-602.0.53)
Target: x86_64-apple-darwin14.3.0
    Source code(tar.gz)
    Source code(zip)

  • v0.0.4(Mar 12, 2015)

  • v0.0.3(Feb 26, 2015)

  • v0.0.2(Feb 12, 2015)

    • New system functions
      • System.modelName()
      • System.uptime()
      • System.uname()
    • New power related functions:
      • System.CPUPowerLimit()
      • System.thermalLevel()
    • Added back some of the process related stuff, but still WIP
    • Internal cleanup
    • Completed:
      • #13: Test on OS X 10.10 (Yosemite)
      • #14: PPC support?
    Source code(tar.gz)
    Source code(zip)

  • v0.0.1(Jan 12, 2015)

Owner
iOS Developer.
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GitHub
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