From 0193abd177eb39c76ed7f63dd039580d113642c3 Mon Sep 17 00:00:00 2001 From: guenther Date: Sun, 11 Oct 2015 00:12:38 +0000 Subject: [PATCH] Document support for CPU power states --- share/man/man4/acpicpu.4 | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/share/man/man4/acpicpu.4 b/share/man/man4/acpicpu.4 index 9822bd3a2f5..11d54ba6738 100644 --- a/share/man/man4/acpicpu.4 +++ b/share/man/man4/acpicpu.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: acpicpu.4,v 1.6 2013/07/16 16:05:48 schwarze Exp $ +.\" $OpenBSD: acpicpu.4,v 1.7 2015/10/11 00:12:38 guenther Exp $ .\" .\" Copyright (c) 2006 Michael Knudsen .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: July 16 2013 $ +.Dd $Mdocdate: October 11 2015 $ .Dt ACPICPU 4 .Os .Sh NAME @@ -27,7 +27,8 @@ The .Nm driver provides support for extracting processor power and performance levels from ACPI tables. -This information can be used to throttle processor speed to reduce +This information is used to enter deeper CPU sleeping states when idle, +and can be used to throttle processor speed to reduce power usage and extend battery life through the .Va hw.setperf .Xr sysctl 3 @@ -50,3 +51,5 @@ The .Nm driver was written by .An Marco Peereboom Aq Mt marco@openbsd.org . +C-state support was added by +.An Philip Guenther Aq Mt guenther@openbsd.org . -- 2.20.1