cpufreq quick test script

#!/bin/sh
CPUFREQ=/sys/devices/system/cpu/cpu0/cpufreq/
echo userspace > $CPUFREQ/scaling_governor

omapconf --cpuinfo
killall memtester

TEST_PERCENT=80
m1=`free | grep Mem | sed -e "s/\s\s*/:/g" |cut -d ':' -f3`
m2=M
m=`expr $m1 \* $TEST_PERCENT / 100 / 1024`

START=`date`
STARTS=`date "+%s"`
opp=`cat $CPUFREQ/scaling_available_frequencies`
echo "$opp is the available freqs"
j=0
k=0
rotate=1000

#1 second in each OPP
FIRST_TEST_TIME=1
for i in $opp
do
    echo -n "$i" > $CPUFREQ/scaling_setspeed
    echo "TESTING for $FIRST_TEST_TIME seconds at" `cat $CPUFREQ/scaling_cur_freq`
    sleep $FIRST_TEST_TIME
done

echo "More transitions TEST"
while [ 1 ]
do
    for i in $opp
    do
        for j in $opp
        do
            echo -n "$i" > $CPUFREQ/scaling_setspeed
            echo -n "$j" > $CPUFREQ/scaling_setspeed
        done
    done
    j=`expr $j + 1`
    if [ $j -gt $rotate ]; then
        STARTN=`date "+%s"`
        DELTA=`expr $STARTN - $STARTS`
        echo "[$k] $rotate: $DELTA Seconds: $START : time now =" `date`
        k=`expr $k + 1`
        j=0
    fi
done