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Add energy rate to battery logger script

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Akemi Izuko 2023-09-02 16:12:35 -06:00
parent fcc67d6b83
commit 71f7709f7e
Signed by: akemi
GPG key ID: 8DE0764E1809E9FC
1 changed files with 36 additions and 38 deletions
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74
systemd/system/timer-scripts/log_battery.sh
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@ -1,46 +1,44 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# Look through `upower --dump` to set the battery path variable # Look into /sys/class/power_supply for your battery-name. It's one of the
declare -r BATTERY_PATH="$1" # symlinks
declare -r WRITE_PATH="$2"
declare -r battery_name="$1"
declare -r write_path="$2"
if [[ $# -ne 2 ]]; then if [[ $# -ne 2 ]]; then
echo "USAGE: $(basename "$0") <battery-path> <csv-path>" cat <<HELP
log_battery systemd.timer v2.0
USAGE: $(basename "$0") <battery-name> <csv-path>"
EXAMPLES:
$(basename "$0") BAT0 /home/emiliko/loggers/battery.csv
HELP
exit 1 exit 1
elif [[ ! -e "$WRITE_PATH" && -d "$(dirname "$WRITE_PATH")" ]]; then elif [[ ! -e "$write_path" && -d "$(dirname "$write_path")" ]]; then
echo "hostname,time,charge,percent,state" > "$WRITE_PATH" echo "hostname,time,charge,charge_full,percent,state,energy_rate" > "$write_path"
fi fi
declare -r tmp_file="$(mktemp)" declare -r $(xargs -0 < "/sys/class/power_supply/${battery_name}/uevent")
upower --dump > "$tmp_file" awk \
-v hostname="$(hostname)" \
declare system_name="$(hostname)" -v time="$(date -u +"%Y-%m-%d %H:%M:%S UTC")" \
declare current_time="$(date -u +"%Y-%m-%d %H:%M:%S UTC")" -v state="$POWER_SUPPLY_STATUS" \
-v a="$POWER_SUPPLY_CHARGE_NOW" \
upower --dump | awk ' -v b="$POWER_SUPPLY_CHARGE_FULL" \
BEGIN { b = "'"$BATTERY_PATH"'"; t=0 } -v c="$POWER_SUPPLY_CHARGE_FULL_DESIGN" \
-v d="$POWER_SUPPLY_VOLTAGE_NOW" \
t && (match($0, /Device:/) || match($0, /Daemon:/)) { -v e="$POWER_SUPPLY_CURRENT_NOW" \
exit -v f="$POWER_SUPPLY_VOLTAGE_MIN_DESIGN" \
'
BEGIN {
printf "%s,%s,", hostname, time
printf "%0.4f,", a*f/10**12 # Charge in Wh
printf "%0.4f,", b*f/10**12 # Charge when full in Wh
printf "%0.2f%%,", a/b*100 # Battery capacity in percent
printf "%s,", state
# Energy rate in W is always absolute, so use state to determine +/-
printf "%0.4f\n", e*d/10**12
} }
' | awk '{print tolower($0)}' >> "$write_path"
match($0, b) { t=1 }
t && match($0, /energy:/) {
split($0,a," ")
energy = a[2]
}
t && match($0, /percentage:/) {
split($0,a," ")
percent = a[2]
}
t && match($0, /state:/) {
split($0,a," ")
state = a[2]
}
END {
print "'"${system_name},${current_time},"'"energy","percent","state
}' >> "$WRITE_PATH"