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What is PerfPowerServices on Mac?

By Junaid, maker of Taskglass · Last reviewed

Keeps records of power and performance data, such as the battery usage history.

PerfPowerServices manages archives of power and performance data. Features like the battery usage graphs in System Settings rely on this kind of history. It's normally light and works in short bursts.

Category
macOS system
Made by
Apple
Safe to quit:
With care

Shown in Activity Monitor as PerfPowerServices

Why is PerfPowerServices using so much CPU or memory?

  • Periodic processing of power and performance records
  • After a macOS update

What to do

  1. 1Wait; it usually settles within minutes
  2. 2Restart your Mac if it stays busy

Safe to quit? With care.

macOS relaunches it; power history may have a small gap.

Related processes

Part of the Taskglass Process Library

See it live in Taskglass.

Taskglass shows what PerfPowerServices is doing on your Mac right now, explains it in plain English, and tells you if it's safe. It does the same for 213 other processes.