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power.sh: Only show battery information if battery exists

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Jeremy Soller 2020-12-29 09:54:17 -07:00 committed by Jeremy Soller
parent c40dd06da6
commit f0c129c9f1
1 changed files with 19 additions and 7 deletions
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12
power.sh
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@ -2,6 +2,12 @@
set -e set -e
has_bat=0
if [ -d /sys/class/power_supply/BAT0/ ]
then
has_bat=1
fi
has_ec=0 has_ec=0
if ./ectool.sh info 2> /dev/null if ./ectool.sh info 2> /dev/null
then then
@ -27,7 +33,10 @@ do
if [ "${header}" == "1" ] if [ "${header}" == "1" ]
then then
F="Time " F="Time "
if [ "${has_bat}" == "1" ]
then
F="${F}\tBAT W" F="${F}\tBAT W"
fi
F="${F}\tCPU W" F="${F}\tCPU W"
F="${F}\tCPU PL1" F="${F}\tCPU PL1"
F="${F}\tCPU PL2" F="${F}\tCPU PL2"
@ -53,12 +62,15 @@ do
last_E="$(cat /sys/class/powercap/intel-rapl\:0/energy_uj)" last_E="$(cat /sys/class/powercap/intel-rapl\:0/energy_uj)"
sleep 1 sleep 1
if [ "${has_bat}" == "1" ]
then
uV="$(cat /sys/class/power_supply/BAT0/voltage_now)" uV="$(cat /sys/class/power_supply/BAT0/voltage_now)"
V="$(echo "${uV}/1000000" | bc -lq)" V="$(echo "${uV}/1000000" | bc -lq)"
uA="$(cat /sys/class/power_supply/BAT0/current_now)" uA="$(cat /sys/class/power_supply/BAT0/current_now)"
A="$(echo "${uA}/1000000" | bc -lq)" A="$(echo "${uA}/1000000" | bc -lq)"
bat_W="$(echo "${V} * ${A}" | bc -lq)" bat_W="$(echo "${V} * ${A}" | bc -lq)"
F="${F}\t$(printf "%.2f" "${bat_W}")" F="${F}\t$(printf "%.2f" "${bat_W}")"
fi
E="$(cat /sys/class/powercap/intel-rapl\:0/energy_uj)" E="$(cat /sys/class/powercap/intel-rapl\:0/energy_uj)"
W="$(echo "(${E} - ${last_E})/1000000" | bc -lq)" W="$(echo "(${E} - ${last_E})/1000000" | bc -lq)"