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pmda-denki RAPL MSR support #2106

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@christianhorn christianhorn commented Nov 25, 2024

So far, only /sys file system RAPL sources were supported. This adds /dev/msr register support, found on Intel. This makes on many Intel chips an exciting new metric available which reflects the overall systems power consumption - so far we have to use battery-metrics or smart meter for that.

Selinux looks good for the new MSR metrics.

I see just one unsolved issue with these commits: qa/1515 is right now failing. I do not see how to fix it, it seems the reason is that the new version of pmda-denki is outputting more defails to DEBUG-INFO. That's pieces output after initialization just one time and intended. Not sure how to modify the test accordingly.

Regarding man-page: it can be removed from the commit, no useful content was updated (but the tool changed all kinds of formatting).

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