CONFIG_PSI (pressure stall information) entirely missing
thanatos519
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Joined: 20 Nov 2023
Posts: 2
Location: Netherlands
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I sometimes use PSI to diagnose bottlenecks in my system. Now I notice it's not enabled, and oddly CONFIG_PSI does not appear in the kernel config at all, not even disabled! It's still in the 6.6 kernel according to https://cateee.net/lkddb/web-lkddb/PSI.html

Can anybody tell me where it has disappeared to in the land of Liquorix?
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damentz
Status: Assistant
Joined: 09 Sep 2008
Posts: 1143
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PSI support was removed due to multiple reports of instability with it enabled: gitlab.com/alfredchen/linux-prjc/-/commit/ceb80e952a426e02d456f5f03b5171649c4e424f

I don't expect for it to make a return unless someone volunteers time to reintroduce it properly.
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thanatos519
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Joined: 20 Nov 2023
Posts: 2
Location: Netherlands
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Makes sense! Thanks for the quick response!
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