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Also update est(4) as r360162 and r360164

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MFC after:	3 days
This commit is contained in:
Li-Wen Hsu 2020-04-21 17:17:32 +00:00
parent 62d12eab90
commit 9157ca0fb4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360165
1 changed files with 7 additions and 7 deletions
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14
share/man/man4/est.4
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@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd October 18, 2012
.Dd April 21, 2020
.Dt EST 4
.Os
.Sh NAME
@ -66,7 +66,7 @@ Attempt to infer information from direct probing of the msr.
Should only be used in diagnostic cases.
.Pq default 0
.It hw.est.strict
Validate frequency requested is accepted by the cpu when set.
Validate frequency requested is accepted by the CPU when set.
It appears that this will only work on single core cpus.
.Pq default 0
.El
@ -75,17 +75,17 @@ The following
.Xr sysctl 8
values are available
.Bl -tag -width indent
.It Va dev.est.%d.\%desc
.It Va dev.est.%d.%desc
Description of support, almost always Enhanced SpeedStep Frequency Control.
.It dev.est.0.%desc: Enhanced SpeedStep Frequency Control
.It Va dev.est.%d.\%driver
.It Va dev.est.%d.%driver
Driver in use, always est.
.It dev.est.0.%driver: est
.It Va dev.est.%d.\%parent
.It dev.est.0.%parent: cpu0
The cpu that is exposing these frequencies.
.It Va dev.est.%d.%parent
The CPU that is exposing these frequencies.
For example
.Va cpu0 .
.It dev.est.0.%parent: cpu0
.It Va dev.est.%d.freq_settings .
The valid frequencies that are allowed by this CPU and their step values.
.It dev.est.0.freq_settings: 2201/45000 2200/45000 2000/39581 1900/37387