build/scripts/sun8i-corekeeper.sh

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#!/bin/sh
#
# Simple script to enable CPU cores automatically again if cooling state is
# 3 or lower.
#
set -e
get_cooling_state() {
echo $(cat /sys/devices/virtual/thermal/cooling_device0/cur_state)
}
enable_cpu() {
if [ $(cat /sys/devices/system/cpu/cpu$1/online) = 0 ]; then
echo 1 > /sys/devices/system/cpu/cpu$1/online || true
fi
}
while true; do
for c in 0 1 2 3; do
if [ $(get_cooling_state) -le 3 ]; then
enable_cpu $c
fi
done
sleep 5
done