random-read.fio:
[random-read]
ioengine=libaio
rw=randread
size=100%
numjobs=4
group_reporting=1
direct=1
bs=32k
filename=/android/data/fio/bench/test

random-read-single.fio:
[random-read-single]
ioengine=libaio
rw=randread
size=100%
numjobs=1
group_reporting=1
direct=1
bs=32k
filename=/android/data/fio/bench/test

seq-read.fio:
[seq-read]
ioengine=libaio
rw=read
size=100%
numjobs=4
group_reporting=1
direct=1
bs=32k
filename=/android/data/fio/bench/test

seq-read-single.fio:
[seq-read-single]
ioengine=libaio
rw=read
size=100%
numjobs=1
group_reporting=1
direct=1
bs=32k
filename=/android/data/fio/bench/test

/android/data/fio/bench/test was created by 'dd if=/dev/urandom of=test bs=1M count=512'

# Android
stop

# Ubuntu on chroot
fstrim -v /android/data
echo "128
256
512
1024
2048" | while read val; do
  echo $val > /sys/block/sda/queue/read_ahead_kb
  sync
  \ls bench/* | while read test; do
    echo 3 > /proc/sys/vm/drop_caches
    fio $test >> result/result_$val.txt
  done
done