コンピュータのあたたかさ

heating.sh

#!/bin/sh

echo 'Start heating!'

# get number of cpu cores
cores=`cat /proc/cpuinfo | grep -c processor`

pids=()

while [ ${#pids[*]} -lt $cores ] ; do
    yes mayuge > /dev/null &
    pids+=($!)
    echo "Started process in $!"
done

echo 'Press Enter to stop...'
read -n 1

echo 'Stopping...'

for pid in ${pids[@]} ; do
    kill $pid
done

echo 'Stopped!'