Linux壓力測試

DD
function dd_direct () {
    setup
    dd if=/dev/zero of=/mnt/dest/zero bs=$1 count=$2 oflag=direct
    cleanup
}
function dd_nodirect () {
    setup
    dd if=/dev/zero of=/mnt/dest/zero bs=$1 count=$2
    cleanup
}
dd_direct 1M 10000 
dd_direct 16M 625 
dd_direct 1G 10 
dd_nodirect 1M 10000 
dd_nodirect 16M 625 
dd_nodirect 1G 10 

IOZone

function iozone_async () {
    setup
    iozone -c -e -s 10G -r $1 -i 0 -i 1 -i 2 -i 3 -i 4 -i 5 -i 6 -i 7 -f /mnt/dest/iozone
    cleanup
}
function iozone_sync () {
    setup
    iozone -o -c -e -s 10G -r $1  -i 0 -i 1 -i 2 -i 3 -i 4 -i 5 -i 6 -i 7 -f /mnt/dest/iozone
    cleanup
}
iozone_async 1M  
iozone_async 4M 
iozone_async 8M 
iozone_async 16M 
iozone_sync 1M 
iozone_sync 4M 
iozone_sync 8M 
iozone_sync 16M