Your Mac goes all sluggish, you open Activity Monitor, and there at the top of the CPU list is kernel_task, taking 100% or more. Why?
Activity Monitor
How to get all sorts of useful information about a running app or process from LaunchServices: and introduction to using lsappinfo.
What should you do with a Mac whose fans keeping coming on full blast, with high CPU loads from kernel_task, and sluggish performance?
It’s hot, you’re hot, and your Mac has slowed right down. Activity Monitor tells you that it’s kernel_task which is to blame. Is macOS playing up, or what?
More bugs in Calculator and Activity Monitor when printing, dreadful lack of documentation of AppKit, TextKit, and CoreData. No wonder Apple is struggling to sell iPhones in China.
Four versions of the same app to demonstrate different app states in Sierra and High Sierra, and how your apps can join the undead.
This week, I have been attacked by zombies – half-dead apps which appear to have quit automatically, but […]
Why would anyone tell the user that an app had quit, but actually leave it hanging around, near-useless, in memory?
Put TextEdit or Preview into the background when they haven’t got an open window, and they quit automatically, don’t they? Actually they don’t, they just become zombies.
Despite its documentation vanishing, it’s clear that GCD does a lot more than provide an easy way to concurrency for app developers.
The Eclectic Light Company 