[Midnightbsd-cvs] src [8325] trunk/share/man/man4/est.4: update est man page

[laffer1 at midnightbsd.org]

Revision: 8325
          http://svnweb.midnightbsd.org/src/?rev=8325
Author:   laffer1
Date:     2016-09-17 18:49:27 -0400 (Sat, 17 Sep 2016)
Log Message:
-----------
update est man page

Modified Paths:
--------------
    trunk/share/man/man4/est.4

Modified: trunk/share/man/man4/est.4
===================================================================
--- trunk/share/man/man4/est.4	2016-09-17 22:46:41 UTC (rev 8324)
+++ trunk/share/man/man4/est.4	2016-09-17 22:49:27 UTC (rev 8325)
@@ -25,7 +25,7 @@
 .\"
 .\" $MidnightBSD$
 .\"
-.Dd June 12, 2012
+.Dd October 18, 2012
 .Dt EST 4
 .Os
 .Sh NAME
@@ -63,7 +63,7 @@
 .Bl -tag -width indent
 .It hw.est.msr_info
 Attempt to infer information from direct probing of the msr.
-Should only be used in diagnostic cases
+Should only be used in diagnostic cases.
 .Pq default 0
 .It hw.est.strict
 Validate frequency requested is accepted by the cpu when set.
@@ -70,6 +70,29 @@
 It appears that this will only work on single core cpus.
 .Pq default 0
 .El
+.Sh SYSCTL VARIABLES
+The following
+.Xr sysctl 8
+values are available
+.Bl -tag -width indent
+.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
+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.
+For example
+.Va 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
+1800/34806 1700/32703 1600/30227 1500/28212 1400/25828 1300/23900 1200/21613
+1100/19775 1000/17582 900/15437 800/13723
+.Pp
+.El
 .Sh DIAGNOSTICS
 .Bl -diag
 .It "est%d: <Enhanced SpeedStep Frequency Control> on cpu%d"