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Maniphest T8847

Kernel: Enable Pressure Stall Information (PSI) metrics (CONFIG_PSI)
In progress, NormalPublicFEATURE REQUEST
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Description

Summary

Enable the kernel Pressure Stall Information accounting feature. This allows users to gather data on CPU and memory starvation.

Use case

It's very useful to help find cases where the system performance is impacted by overloaded CPUs.

Additional information

https://docs.kernel.org/accounting/psi.html

Details

Version
-
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Feature (new functionality)

Event Timeline

superq created this task.May 11 2026, 7:27 PM
superq created this object in space S1 VyOS Public.
superq created this object with edit policy "All Users".
pasik subscribed.May 11 2026, 8:03 PM
Viacheslav changed the task status from Open to In progress.May 12 2026, 12:31 PM
Viacheslav assigned this task to superq.
Viacheslav triaged this task as Normal priority.
Viacheslav subscribed.

PR https://github.com/vyos/vyos-build/pull/1178

Viacheslav closed this task as Resolved.May 15 2026, 10:52 AM
Viacheslav moved this task from Need Triage to Completed on the VyOS Rolling board.
c-po renamed this task from Enable Pressure Stall Information (PSI) metrics to Kernel: Enable Pressure Stall Information (PSI) metrics (CONFIG_PSI).May 17 2026, 3:42 PM
c-po reopened this task as In progress.