SGS2 CPU stress test

testfreq.sh

#!/bin/bash

# To recover after running this script do
#  echo ondemand >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
#

set -e

cd /sys/devices/system/cpu/cpu0/cpufreq/
echo userspace >scaling_governor
FREQS=(200 500 800 1000 1200)
while [ 1 ]; do
    FREQ=${FREQS[$RANDOM % ${#FREQS[@]}]}
    echo $FREQ
    echo $FREQ >scaling_setspeed || :
done

testhotplug.sh

#!/bin/bash
set -e

cd /sys/devices/system/cpu/cpu1/
ON=`cat online`
while [ 1 ]; do
    ON=$((1 - $ON))
    echo $ON
    echo $ON >online || :
done