Version 3.5.0 - high CPU usage after spewing a lot of scrollback

[Chap Harrison]

Just installed 3.5.0. When I run a program that spits out around 10M of data, performance becomes very sluggish and one core is steadily consuming 50% CPU. This persists after I clear scrollback buffer and only stops when I close the tab containing the session. 

MacBook Air M1 2020, macOS 14.5. 

Anyone else corroborate this?

[George Nachman]

Can you grab a sample? Instructions here: https://gitlab.com/gnachman/iterm2/-/wikis/HowToSample

Please file an issue with it.

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[Chap Harrison]

https://gitlab.com/gnachman/iterm2/-/issues/11496

[cpi...@gmail.com]

2019 Macbook Pro here running Monterey and I see 100% CPU usage even after closing ALL TABS. It finally died down after a minute. I already disabled disk logging as I haven't been need it. AFAIK AI stuff is disabled. What's is iTerm doing while NOTHING IS HAPPENING (8 tabs but none yet reconnected to a session when it was eating 100% cpu after a fresh restart.)   This is crazy. Good thing Terminal is semi useful cuz I may have to revert until this is fixed.

[George Nachman]

Please see my instructions below about how to sample the app.

To view this discussion on the web visit https://groups.google.com/d/msgid/iterm2-discuss/62330075-f09f-43e0-9193-3a9d774fde93n%40googlegroups.com.