ioreg -l | grep -i "CPUFriend"
The was not a one-time event. It has seen over 20 minor revisions, with the latest versions adding support for Apple Silicon Macs running macOS virtualization (for running macOS on Linux KVM). However, its core achievement remains unchanged: democratizing power management.
To understand why CPUFriend is necessary, we must look at how macOS manages CPU performance. macOS relies on a file known as the (located within the IOPlatformPluginFamily.kext). This plugin looks for specific "Frequency Vectors"—a set of data points that tell the CPU how fast to run, at what voltage, and how much power to draw at various loads. cpufriend.kext release
For a more automated experience, especially on 5th to 10th Gen Intel CPUs, you can use one-key-cpufriend .
The marks a significant update for the Hackintosh community, adding constants for macOS 26 support and ensuring compatibility with the newest kernel structures . For users running macOS on non-native hardware, this Lilu-based plugin remains the gold standard for achieving precise CPU power management. What is CPUFriend.kext? ioreg -l | grep -i "CPUFriend" The was
CPUFriend.kext is a Lilu plugin created by PMHeart (formerly by Sniki). Its primary purpose is to inject custom power management data into the XNU kernel.
The official (v1.0.0) dropped in mid-2017, courtesy of PMHeart, with subsequent maintenance and feature expansions by the acidanthera team. The release notes were sparse but electrifying to the community: To understand why CPUFriend is necessary, we must
cd ~/Downloads curl -LO https://github.com/acidanthera/CPUFriend/releases/download/1.2.6/CPUFriend-1.2.6-RELEASE.zip unzip CPUFriend-1.2.6-RELEASE.zip
A kext alone does nothing. You must generate a data file ( CPUFriendDataProvider.kext ) using a tool:
: The tool will generate both CPUFriendDataProvider.kext and ssdt_data.dsl . Most users prefer the kext version for simplicity. 2. Alternative: One-Key CPUFriend
The cpufriend.kext release is not just a single file; it is a binary kext designed to work in tandem with a script ( ResourceConverter.sh ). This script converts a human-edited CPUFriendDataProvider.kext (or a custom frequency vector plist) into a fully realized plugin that the macOS kernel trusts.
