source: npl/overig/stress/syn3-stress @ 128fde4

#!/bin/bash
echo "[ Syn-3 automated burn-in test. ]"
echo
############# INIT

CPUS=`cat /proc/cpuinfo |egrep ^processor|wc -l`
MEM=`cat /proc/meminfo |egrep ^MemTotal|sed s/[^0-9]//g`000
IP=$1
PARTS=`mdadm --detail /dev/md0|grep /dev|grep -v :|sed 's/.* //'`
for PART in $PARTS; do
        DISKS="$DISKS `getdisk $PART`"
done

echo "Detected CPU's: $CPUS."
echo "Detected memory: $MEM bytes"
echo "Detected Syn-3 disks: $DISKS"

#if ! [ "$IP" ]; then
#       echo "Usage: $0 <IP>"
#       echo " Runs stresstest on hardware and pingfloods IP to test network card."
#       exit 1
#fi

echo "Pingflood IP: $IP"

abort()
{
        killall ping 2>/dev/null
        echo "########################################"
        if [ "$1" != "0" ]; then
                echo "ERROR - STRESSTEST FAILED!"
                echo "Press enter to continue.."
                read
        else
                echo "STRESSTEST SUCCEEDED"
        fi

        exit $1
}

#ctrl-c is clean exit
trap "echo Aborting...;abort 0" 2

############# READ-TEST ALL DISKS
disktest()
{
        DISK=$1
        SIZE=`sfdisk -s $DISK`
        echo 
        echo "Read-testing disk $1, size $SIZE Kb..."
        dd if=$DISK of=/dev/null || abort 1
        echo "Disk $1 is OK!"
}

for DISK in $DISKS; do
        disktest $DISK 
done


############# STRESS TEST
echo
echo "Stress-testing hardware..."
echo "This test takes at least 12 hours!"

if [ "$IP" ]; then
        ping -q -f $IP &
fi

#(( MEM=MEM/2 ))
MEM=64000000
while true; do
        stress -t 12h --io 1 --cpu $CPUS --hdd 1 --vm 1 --vm-bytes $MEM || abort 1
        echo "(CTRL-C to end testing)"
done