diff options
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/acpicpu.4 | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/share/man/man4/acpicpu.4 b/share/man/man4/acpicpu.4 index 3deaae84f71..e7e686824e9 100644 --- a/share/man/man4/acpicpu.4 +++ b/share/man/man4/acpicpu.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: acpicpu.4,v 1.9 2018/01/12 04:36:44 deraadt Exp $ +.\" $OpenBSD: acpicpu.4,v 1.10 2022/10/21 04:02:16 guenther Exp $ .\" .\" Copyright (c) 2006 Michael Knudsen <mk@openbsd.org> .\" @@ -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: January 12 2018 $ +.Dd $Mdocdate: October 21 2022 $ .Dt ACPICPU 4 .Os .Sh NAME @@ -33,6 +33,26 @@ power usage and extend battery life through the .Va hw.setperf .Xr sysctl 2 mechanism. +.Pp +.Nm +reports the C-states offered by ACPI using the format +.Dl C%d(%d@%d %s.%x@%#x) +where the respective fields are the ACPI state, +the reported power consumption, +the reported latency, +the method, +the flags on the method, +and the address for the method. +Inapplicable or unspecified fields are elided. +If the state won't be used for any reason then the entry will have a +.Sq !\& +prefix. +If the state is the fallback state used when no valid C-state entries were +found then flags will be a +.Sq !\& . +For the +.Va mwait +method the address is the hints value for the instruction. .Sh SEE ALSO .Xr sysctl 2 , .Xr acpi 4 , |