$NetBSD: acpipmtr.4,v 1.2 2019/05/24 16:02:08 ryoon Exp $
Copyright (c) 2010 Jukka Ruohonen <jruohonen (at] iki.fi>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of the author nor the names of any
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.Dd May 25, 2019 .Dt ACPIPMTR 4 .Os .Sh NAME .Nm acpipmtr .Nd ACPI Power Meter .Sh SYNOPSIS .Cd "acpipmtr* at acpi?" .Sh DESCRIPTION The .Nm device driver provides support for .Dq power meters . These are sensors that approximate the current power consumption of the system. Alternatively, a power meter may measure also the power gain when the system is connected to an external power supply.
Copyright (c) 2010 Jukka Ruohonen <jruohonen (at] iki.fi>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of the author nor the names of any
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.Dd May 25, 2019 .Dt ACPIPMTR 4 .Os .Sh NAME .Nm acpipmtr .Nd ACPI Power Meter .Sh SYNOPSIS .Cd "acpipmtr* at acpi?" .Sh DESCRIPTION The .Nm device driver provides support for .Dq power meters . These are sensors that approximate the current power consumption of the system. Alternatively, a power meter may measure also the power gain when the system is connected to an external power supply.
p The available information (namely, the power consumption) is made available through the .Xr envsys 4 .Tn API and the .Xr envstat 8 command. .Sh SEE ALSO .Xr acpi 4 , .Xr acpibat 4 .Sh HISTORY The .Nm device driver appeared in .Nx 6.0 . .Sh AUTHORS .An Jukka Ruohonen .Aq Mt jruohonen (at] iki.fi .Sh CAVEATS The .Nm driver is experimental.
Indexes created Sat Sep 20 22:09:52 GMT 2025