http://pkgs.repoforge.org/fio/
# wget "http://pkgs.repoforge.org/fio/fio-2.1.7-1.el6.rf.x86_64.rpm" # yum localinstall fio-2.1.7-1.el6.rf.x86_64.rpm
# fio --help
fio-2.1.7
fio [options] [job options] <job file(s)>
--debug=options Enable debug logging. May be one/more of:
process,file,io,mem,blktrace,verify,random,parse,
diskutil,job,mutex,profile,time,net,rate
--parse-only Parse options only, don't start any IO
--output Write output to file
--runtime Runtime in seconds
--latency-log Generate per-job latency logs
--bandwidth-log Generate per-job bandwidth logs
--minimal Minimal (terse) output
--output-format=x Output format (terse,json,normal)
--terse-version=x Set terse version output format to 'x'
--version Print version info and exit
--help Print this page
--cpuclock-test Perform test/validation of CPU clock
--crctest Test speed of checksum functions
--cmdhelp=cmd Print command help, "all" for all of them
--enghelp=engine Print ioengine help, or list available ioengines
--enghelp=engine,cmd Print help for an ioengine cmd
--showcmd Turn a job file into command line options
--eta=when When ETA estimate should be printed
May be "always", "never" or "auto"
--eta-newline=time Force a new line for every 'time' period passed
--status-interval=t Force full status dump every 't' period passed
--readonly Turn on safety read-only checks, preventing writes
--section=name Only run specified section in job file
--alloc-size=kb Set smalloc pool to this size in kb (def 1024)
--warnings-fatal Fio parser warnings are fatal
--max-jobs=nr Maximum number of threads/processes to support
--server=args Start a backend fio server
--daemonize=pidfile Background fio server, write pid to file
--client=hostname Talk to remote backend fio server at hostname
--idle-prof=option Report cpu idleness on a system or percpu basis
(option=system,percpu) or run unit work
calibration only (option=calibrate)
Fio was written by Jens Axboe <jens.axboe@oracle.com>
Jens Axboe <jaxboe@fusionio.com>
Jens Axboe <axboe@fb.com>
# fio \
> -ioengine=libaio \
> -direct=1 \
> -invalidate=1 \
> -filename=/tmp/fio.bin \
> -rw=randwrite \
> -bs=4k \
> -size=4G \
> -numjobs=1 \
> -runtime=60 \
> -group_reporting \
> -iodepth=32 \
> -name=randread1
randread1: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
fio-2.1.7
Starting 1 process
randread1: Laying out IO file(s) (1 file(s) / 4096MB)
Jobs: 1 (f=1): [w] [-.-% done] [0KB/9298KB/0KB /s] [0/2324/0 iops] [eta 00m:00s]
randread1: (groupid=0, jobs=1): err= 0: pid=2832: Fri Sep 4 09:58:44 2015
write: io=290992KB, bw=4849.9KB/s, iops=1212, runt= 60001msec
slat (usec): min=5, max=510839, avg=699.45, stdev=7861.68
clat (usec): min=1, max=567741, avg=25654.93, stdev=51285.74
lat (usec): min=699, max=568098, avg=26355.55, stdev=51950.39
clat percentiles (msec):
| 1.00th=[ 9], 5.00th=[ 10], 10.00th=[ 10], 20.00th=[ 11],
| 30.00th=[ 11], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 12],
| 70.00th=[ 13], 80.00th=[ 20], 90.00th=[ 44], 95.00th=[ 105],
| 99.00th=[ 293], 99.50th=[ 383], 99.90th=[ 498], 99.95th=[ 523],
| 99.99th=[ 570]
bw (KB /s): min= 337, max=12328, per=100.00%, avg=4892.28, stdev=3173.04
lat (usec) : 2=0.01%, 500=0.01%, 750=0.02%, 1000=0.01%
lat (msec) : 2=0.03%, 4=0.10%, 10=19.80%, 20=60.49%, 50=10.94%
lat (msec) : 100=3.40%, 250=3.80%, 500=1.32%, 750=0.09%
cpu : usr=1.10%, sys=71.14%, ctx=60632, majf=2, minf=23
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
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=0.1%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=72748/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
WRITE: io=290992KB, aggrb=4849KB/s, minb=4849KB/s, maxb=4849KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sda: ios=4780/80748, merge=245/7022, ticks=28742/1607455, in_queue=1636136, util=100.00%