linux cmd to check power consumption

check mw per second

sudo -i

(initial=$(cat /sys/class/powercap/intel-rapl:0/energy_uj); sleep 1; final=$(cat /sys/class/powercap/intel-rapl:0/energy_uj); power_mw=$(( (final – initial) / 1000 )); echo “Power consumption: $power_mw mW”)

Not sure if it’s accurate thou.