Re: [Powertop] [BUG] powertop shows estimates only for 1st battery from 2

When first battery discharged, kernel reports following info

% cat /sys/class/power_supply/BAT0/uevent
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Discharging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-poly
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11100000
POWER_SUPPLY_VOLTAGE_NOW=12401000
POWER_SUPPLY_POWER_NOW=7800000
POWER_SUPPLY_ENERGY_FULL_DESIGN=42010000
POWER_SUPPLY_ENERGY_FULL=42010000
POWER_SUPPLY_ENERGY_NOW=41810000
POWER_SUPPLY_CAPACITY=99
POWER_SUPPLY_MODEL_NAME=45N1103
POWER_SUPPLY_MANUFACTURER=SMP
POWER_SUPPLY_SERIAL_NUMBER= 3507

% cat /sys/class/power_supply/BAT1/uevent
POWER_SUPPLY_NAME=BAT1
POWER_SUPPLY_STATUS=Unknown
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-poly
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=14800000
POWER_SUPPLY_VOLTAGE_NOW=13902000
POWER_SUPPLY_POWER_NOW=0
POWER_SUPPLY_ENERGY_FULL_DESIGN=28050000
POWER_SUPPLY_ENERGY_FULL=26370000
POWER_SUPPLY_ENERGY_NOW=930000
POWER_SUPPLY_CAPACITY=3
POWER_SUPPLY_MODEL_NAME=45N1101
POWER_SUPPLY_MANUFACTURER=SMP
POWER_SUPPLY_SERIAL_NUMBER= 1840

On Fri, Oct 11, 2013 at 9:19 AM, Maksim Melnikau <maxposedon(a)gmail.com> wrote:
> Hello!
>
> I have 2 batteries in my thinkpad helix laptop, and it looks like powertop
> shows "the estimated remaining time" just for first battery, what is a bit
> confusing. May be it somehow connected to some hardware features of
> batteries switching.
>
> # powertop, Overview page
> The battery reports a discharge rate of 7.67 W
> The estimated remaining time is 2 hours, 17 minutes
>
> # powertop -V
> PowerTOP versionv2.4, compiled on Jul 29 2013
>
> # cat /sys/class/power_supply/BAT0/uevent
> POWER_SUPPLY_NAME=BAT0
> POWER_SUPPLY_STATUS=Unknown
> POWER_SUPPLY_PRESENT=1
> POWER_SUPPLY_TECHNOLOGY=Li-poly
> POWER_SUPPLY_CYCLE_COUNT=0
> POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11100000
> POWER_SUPPLY_VOLTAGE_NOW=12503000
> POWER_SUPPLY_POWER_NOW=0
> POWER_SUPPLY_ENERGY_FULL_DESIGN=42010000
> POWER_SUPPLY_ENERGY_FULL=42010000
> POWER_SUPPLY_ENERGY_NOW=41940000
> POWER_SUPPLY_CAPACITY=99
> POWER_SUPPLY_MODEL_NAME=45N1103
> POWER_SUPPLY_MANUFACTURER=SMP
> POWER_SUPPLY_SERIAL_NUMBER= 3507
>
> # cat /sys/class/power_supply/BAT1/uevent
> POWER_SUPPLY_NAME=BAT1
> POWER_SUPPLY_STATUS=Discharging
> POWER_SUPPLY_PRESENT=1
> POWER_SUPPLY_TECHNOLOGY=Li-poly
> POWER_SUPPLY_CYCLE_COUNT=0
> POWER_SUPPLY_VOLTAGE_MIN_DESIGN=14800000
> POWER_SUPPLY_VOLTAGE_NOW=15178000
> POWER_SUPPLY_POWER_NOW=8165000
> POWER_SUPPLY_ENERGY_FULL_DESIGN=28050000
> POWER_SUPPLY_ENERGY_FULL=26370000
> POWER_SUPPLY_ENERGY_NOW=16750000
> POWER_SUPPLY_CAPACITY=63
> POWER_SUPPLY_MODEL_NAME=45N1101
> POWER_SUPPLY_MANUFACTURER=SMP
> POWER_SUPPLY_SERIAL_NUMBER= 1840
>