Komolyabb diszk-teszt (még mindig csak 1 végrehajtás):
XX:~# fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.1.3
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 4096MB)
Jobs: 1 (f=1): [m] [100.0% done] [167.4MB/57408KB/0KB /s] [42.9K/14.4K/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=1881: Wed Nov 25 15:31:35 2015
read : io=3071.7MB, bw=103935KB/s, iops=25983, runt= 30263msec
write: io=1024.4MB, bw=34660KB/s, iops=8665, runt= 30263msec
cpu : usr=3.82%, sys=17.21%, ctx=162098, majf=0, minf=24
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
issued : total=r=786347/w=262229/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=3071.7MB, aggrb=103935KB/s, minb=103935KB/s, maxb=103935KB/s, mint=30263msec, maxt=30263msec
WRITE: io=1024.4MB, aggrb=34660KB/s, minb=34660KB/s, maxb=34660KB/s, mint=30263msec, maxt=30263msec
Disk stats (read/write):
dm-1: ios=780296/260254, merge=0/0, ticks=1497812/374892, in_queue=1872872, util=99.76%, aggrios=783642/261874, aggrmerge=2710/373, aggrticks=1499852/375896, aggrin_queue=1875680, aggrutil=99.69%
sda: ios=783642/261874, merge=2710/373, ticks=1499852/375896, in_queue=1875680, util=99.69%