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Add sections to the handbook on cpu frequency control
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Authored by allanjude on Apr 27 2021, 2:25 AM.

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emaste
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docs
releng
Summary

covers cpufreq(4), est(4), and hwpstate_intel(4).

Add a link to hwpstate_intel(4) to the relnotes, as with the change, powerd(8) no longer functions on newer CPUs.

PR: 255324
Submitted By: Kyle Kneisl <kyle@kneisl.org>

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R9 FreeBSD doc repository
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Buildable 38891
Build 35780: arc lint + arc unit

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allanjude created this revision.

The text looks good to me as a first version. I think the change to the relnotes is unrelated?

website/content/en/releases/13.0R/relnotes.adoc
33

This change seems to be unrelated to the CPU freq change above.

website/content/en/releases/13.0R/relnotes.adoc
33

yeah, fixing an excess /, I'll pull this out of this change

allanjude edited the summary of this revision. (Show Details)

Remove extraneous change

Ed reports that hwpstate might not work on many Lenovo laptops, so we might need to add more detail and prominence to how to disable hwpstate and fall back to est(4)

I'm not completely familiar with the issue, but PR253288 has details
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253288

[source,shell] would indicate that a particular section using monospaced blocked text is a shell script.

I would also advise against including user@host and path et cetera, as the % prompt is used to indicate unprivileged commands and the # prompt to indicate privileged commands.

The rest of the documentation also follows this style.

Other than that, I have no issues with this, and am happy to see it. :)