ghostty's app-ghostty-transient I/O pressure is very high ( >90% ) #9474
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randomizedcoder
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if you swap the async-backend to epoll and it goes away its one of the discussions you referenced above. Please try that |
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There was also previously a kernel problem with io_uring read this. Your version is past this but some new regression could have been introduced |
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Issue Description
G'day,
I wanted to open this discussion in case anyone else is seeing something similar. I suspect this is something related to my NixOS unstable (bleeding edge), so I will continue to investigate.
The background is that a few days ago, I updated NixOS unstable and I've notice ghostty being "slow". After some investigations, I've found:
ghostty's app-ghostty-transient I/O pressure is very high ( >90% )
Maybe this relates to these?
Certainly would love any advice on how to debug this in more detail
I should also mention, that I've noticed something very strange when ssh-ing to other hosts. The remote shell doesn't really work correctly sometimes. I'm still trying to understand this also. Feels like the I/O pressure is likely to be related, although ssh is weird even when not using ghostty
Expected Behavior
Low I/O Pressure, and ghostty being really fast as usual
Actual Behavior
Entire system is slow
Reproduction Steps
Start ghostty. I/O Pressure rises over perhaps ~1 minute
Ghostty Logs
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