Heads up: ksystemstats 6.4 will include a helper that wants CAP_PERFMON
David Redondo
kde at david-redondo.de
Fri Apr 4 13:43:15 BST 2025
Hi,
I just merged a patch into ksystemstats that adds support for monitoring
global Intel GPU statistics.
Instead of using sysfs like for example AMD, Intel uses a perf interface.
Because of usual perf_event_open restrictions a normal process can't pass pid
== -1, which requires CAP_SYS_ADMIN or CAP_PERMON.
To limit the capability to the component that needs it there is a helper that
requires the capability and reports back to the main ksystemstats process
similar to what was done in libksysguard for networking.
The commit that adds this functionality is:
https://invent.kde.org/plasma/ksystemstats/-/commit/
924e43d5c899f6be0ed371ca6a5ea1b7d7c14abe
Cheers,
David
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