[root@test ~]# ./ioping /
4096 bytes from / (simfs /dev/simfs): request=1 time=8.2 ms
4096 bytes from / (simfs /dev/simfs): request=2 time=9.0 ms
4096 bytes from / (simfs /dev/simfs): request=3 time=16.0 ms
4096 bytes from / (simfs /dev/simfs): request=4 time=16.0 ms
4096 bytes from / (simfs /dev/simfs): request=5 time=11.0 ms
4096 bytes from / (simfs /dev/simfs): request=6 time=4.1 ms
4096 bytes from / (simfs /dev/simfs): request=7 time=10.0 ms
4096 bytes from / (simfs /dev/simfs): request=8 time=32.0 ms
4096 bytes from / (simfs /dev/simfs): request=9 time=0.1 ms
4096 bytes from / (simfs /dev/simfs): request=10 time=15.0 ms
4096 bytes from / (simfs /dev/simfs): request=11 time=4.0 ms
4096 bytes from / (simfs /dev/simfs): request=12 time=36.0 ms
4096 bytes from / (simfs /dev/simfs): request=13 time=30.0 ms
4096 bytes from / (simfs /dev/simfs): request=14 time=4.0 ms
4096 bytes from / (simfs /dev/simfs): request=15 time=3.9 ms
4096 bytes from / (simfs /dev/simfs): request=16 time=5.0 ms
4096 bytes from / (simfs /dev/simfs): request=17 time=12.4 ms
4096 bytes from / (simfs /dev/simfs): request=18 time=9.9 ms
4096 bytes from / (simfs /dev/simfs): request=19 time=12.4 ms
4096 bytes from / (simfs /dev/simfs): request=20 time=20.0 ms
4096 bytes from / (simfs /dev/simfs): request=21 time=16.0 ms
4096 bytes from / (simfs /dev/simfs): request=22 time=16.0 ms
4096 bytes from / (simfs /dev/simfs): request=23 time=7.1 ms
4096 bytes from / (simfs /dev/simfs): request=24 time=6.0 ms
4096 bytes from / (simfs /dev/simfs): request=25 time=29.0 ms
4096 bytes from / (simfs /dev/simfs): request=26 time=12.0 ms
4096 bytes from / (simfs /dev/simfs): request=27 time=4.0 ms
4096 bytes from / (simfs /dev/simfs): request=28 time=9.0 ms
4096 bytes from / (simfs /dev/simfs): request=29 time=4.6 ms
4096 bytes from / (simfs /dev/simfs): request=30 time=17.0 ms

--- / (simfs /dev/simfs) ioping statistics ---
30 requests completed in 29734.3 ms, 79 iops, 0.3 mb/s
min/avg/max/mdev = 0.1/12.6/36.0/8.9 ms