[ltp] where in /sys is the power meter for my whole computer located?

[Yves-Alexis Perez]

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On 18/01/2010 22:48, jidanni@jidanni.org wrote:
> I do
> # iwconfig wlan0 txpower [0-20]
> How can I see if this is really using less or more power than before?
> I could check /sys/class/power_supply/BAT0/uevent but I am not on
> battery power today. Where in /sys is "the power meter for my whole
> house" located? I use Debian linux-image-2.6.32. I could check with
> iwconfig but it just reports what I typed in.

In /sys/class/power_supply you'll find everything need.

cat /sys/class/power_supply/BAT0/uevent
POWER_SUPPLY_NAME=3DBAT0
POWER_SUPPLY_TYPE=3DBattery
POWER_SUPPLY_STATUS=3DUnknown
POWER_SUPPLY_PRESENT=3D1
POWER_SUPPLY_TECHNOLOGY=3DLi-ion
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=3D10800000
POWER_SUPPLY_VOLTAGE_NOW=3D12483000
POWER_SUPPLY_CURRENT_NOW=3D0
POWER_SUPPLY_POWER_NOW=3D0
POWER_SUPPLY_ENERGY_FULL_DESIGN=3D56160000
POWER_SUPPLY_ENERGY_FULL=3D49790000
POWER_SUPPLY_ENERGY_NOW=3D48490000
POWER_SUPPLY_MODEL_NAME=3DCOMPATIBLE
POWER_SUPPLY_MANUFACTURER=3DPSPSP
POWER_SUPPLY_SERIAL_NUMBER=3D   38

Oh, by the way, I guess you didn't have the idea to look at the
documentation?

Cheers,
--=20
Yves-Alexis


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