Bug 136354

Summary: powerd(8): Support for maxspeed in adaptive modes
Product: Base System Reporter: Rene Schickbauer <cavac>
Component: binAssignee: freebsd-bugs (Nobody) <bugs>
Status: Open ---    
Severity: Affects Only Me CC: Alexander88207
Priority: Normal    
Version: Unspecified   
Hardware: Any   
OS: Any   
Attachments:
Description Flags
file.diff
none
powerd.8.patch
none
patches to powerd
none
patches to powerd none

Description Rene Schickbauer 2009-07-05 17:10:00 UTC 
This patch enables users to use the powerd adaptive modes while still maintaining a cooler/less power hungry system by limiting the max. CPU speed powerd can set.

This patch also includes an update to the powerd manpage. I also moved the description of the available modes to a dedicated section to make them easier to find.

I wrote this patch, to limit my EEE PC's power consumption/heat production without having to fall back to minimum performance.

Fix: See attached patch

Patch attached with submission follows:
How-To-Repeat: Run an Intel Atom based NetBook with powerd set to "adaptive" and "make buildworld". It gets hot enough to get you burned when held in hand or lap (like when debugging FreeBSD while waiting for the bus).
Comment 1 Rene Schickbauer 2009-07-20 14:17:49 UTC 
Here is an updated patch that allows setting of minimum and maximum speeds.
Seperately for battery and AC mode, of course.

I also updated the man-page.

(Hope i didn't mess this follow-up up, gnats doesn't like my webmail)
Comment 2 Eitan Adler freebsd_committer freebsd_triage 2017-12-31 08:00:16 UTC 
For bugs matching the following criteria:

Status: In Progress Changed: (is less than) 2014-06-01

Reset to default assignee and clear in-progress tags.

Mail being skipped
Comment 3 Graham Perrin freebsd_committer freebsd_triage 2022-10-17 12:33:55 UTC 
Keyword: 

    patch
or  patch-ready

– in lieu of summary line prefix: 

    [patch]

* bulk change for the keyword
* summary lines may be edited manually (not in bulk). 

Keyword descriptions and search interface: 

    <https://bugs.freebsd.org/bugzilla/describekeywords.cgi>
Comment 4 Mark Linimon freebsd_committer freebsd_triage 2025-03-03 04:37:03 UTC 
Created attachment 258230 [details]
patches to powerd

^Triage: rebase patch.
Comment 5 Mark Linimon freebsd_committer freebsd_triage 2025-03-03 04:38:56 UTC 
Created attachment 258231 [details]
patches to powerd

^Triage: rebase patch, take 2.