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  1. #1
    Cfprefsd taking up CPU
    MacBook Pro 2014 randomly started getting really slow. Checked activity monitor and found a thread about running sudo fs_usage pid # being the cfprefsd.
    I’m getting a bunch of writes saying hfs_update and repeatedly seeing RController.plist. How can I go about fixing this?

    Edit: I closed every application except activity monitor and cfprefsd still takes up a lot of CPU, usually 50+.

  2. #2
    Cfprefsd taking up CPU
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    North Louisiana, USA
    Your Mac's Specs
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.4 beta
    Rep Power
    According to what I've been reading this is a part of the OS and specifically deals with certain aspects of managing / editing application preferences. Have you installed anything new recently?

    If you recently installed something, try closing that app and seeing if it helps. If it does, you might be dealing with a corrupted .plist file. Consider wiping that app’s settings by using AppCleaner, or by manually deleting any .plist files you find for the application from the Library folder. If that doesn’t help, you’ve found a bug; get in touch with the developer of the problematic app.
    More details here. Its got a little bit of developer speak in it because it mentions several other background processes but I think you'll get the idea.
    Hard work beats talent when talent fails to work hard.
    Kevin Durant

  3. #3
    Cfprefsd taking up CPU
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Pawtucket, RI, US
    Your Mac's Specs
    L2014 Mac mini macOS 14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Rep Power
    It may help us tp know which macOS version your MBP is running?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  4. #4
    Cfprefsd taking up CPU
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Brentwood Bay, BC, Canada
    Rep Power
    Some info here that might be useful:
    Mac’s Hidden Daemons: Should You Be Exorcising ‘cfprefsd’ and ‘cloudd’?
    Mac’s Hidden Daemons: Should You Be Exorcising 'cfprefsd' and 'cloudd'

    - Patrick

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