com.apple.WebKit.WebContent com / apple.appkit.xpc.openAndSavePanelService / signpost_reporter - high cpu usage

What it is nic?


I'm getting high cpu usage from all these on Big Sur. Any idea what's going on?

Posted on Jan 4, 2021 11:28 AM

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Jan 6, 2021 3:25 PM in response to VinDieselMonsterTruck

Hey VinDieselMonsterTruck,


Thanks for using Apple Support Communities. We understand that you're seeing some high CPU usage, and want to help. If you haven't already, quit the process to see if that helps. Here's how: Quit an app or process in Activity Monitor on Mac


If not, or if the issue returns, let us know more details:


  • Does this happen when using a particular app or visiting a particular website?
  • Does the process immediately start using more CPU than normal, or after some use?


The more details you can provide the better.


Take care.

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