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Old 12-02-2020, 02:47 PM   #1
BobbyC
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Join Date: Dec 2020
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Default CPU Usage

DisplayLinkManageer is using 30% to 90% of my CPU at times. This is slowing my Macbook to a crawl and makes it virtually unusable. Is there a fix for this?

Macbook 2018
2.6 GHz 6-Core Intel Core i7
16gb RAM
Big Sur 11.0.1
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Old 12-04-2020, 06:02 PM   #2
porterneon
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Join Date: Dec 2020
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Hi,
Same issue on my device. (MacBook Pro 16, Big Sur)
I have external screen with resolution 3400x1440. When I'm playing video (for example Netflix) there is around 100% cpu usage and video is sometimes lagging.
Please improve UWQHD screen support.
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Old 12-14-2020, 01:31 PM   #3
salted
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You can disable logging which i found improved the CPU utilisation

From terminal run the following:

sudo log config --process=$(pgrep WindowServer) --mode "levelff"

Screenshot 2020-12-14 at 14.33.15.png

Enter your password.

Last edited by salted; 12-14-2020 at 01:35 PM.
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