gistfile1.txt

$ fio -v ~/dev/fioscenarios/gcclike
2.0.8
gcclike: (g=0): rw=randrw, bs=4K-9K/1800K-1800K, ioengine=sync, iodepth=1
...
gcclike: (g=0): rw=randrw, bs=4K-9K/1800K-1800K, ioengine=sync, iodepth=1
2.0.8
Starting 8 processes
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
gcclike: Laying out IO file(s) (1 file(s) / 256MB)
Jobs: 2 (f=2): [_m__m___] [93.3% done] [1552K/134.8M /s] [196 /82  iops] [eta 00m:02s]
gcclike: (groupid=0, jobs=8): err= 0: pid=5674
  Description  : [Trying to simulate WebKit compilation on 8 cores]
  read : io=22432KB, bw=842485 B/s, iops=100 , runt= 27265msec
    clat (usec): min=82 , max=332864 , avg=11073.90, stdev=27554.64
     lat (usec): min=82 , max=332864 , avg=11074.14, stdev=27554.65
    clat percentiles (usec):
     |  1.00th=[   93],  5.00th=[   99], 10.00th=[  114], 20.00th=[  133],
     | 30.00th=[  159], 40.00th=[  219], 50.00th=[ 3408], 60.00th=[ 7328],
     | 70.00th=[11584], 80.00th=[15936], 90.00th=[22144], 95.00th=[30848],
     | 99.00th=[164864], 99.50th=[228352], 99.90th=[305152], 99.95th=[321536],
     | 99.99th=[333824]
    bw (KB/s)  : min=    5, max=  387, per=12.52%, avg=102.92, stdev=75.99
  write: io=1844.6MB, bw=69277KB/s, iops=40 , runt= 27265msec
    clat (usec): min=275 , max=397895 , avg=144095.36, stdev=76245.81
     lat (usec): min=277 , max=397987 , avg=144176.42, stdev=76250.63
    clat percentiles (msec):
     |  1.00th=[    8],  5.00th=[   43], 10.00th=[   62], 20.00th=[   82],
     | 30.00th=[   95], 40.00th=[  103], 50.00th=[  123], 60.00th=[  155],
     | 70.00th=[  186], 80.00th=[  215], 90.00th=[  253], 95.00th=[  285],
     | 99.00th=[  338], 99.50th=[  359], 99.90th=[  383], 99.95th=[  400],
     | 99.99th=[  400]
    bw (KB/s)  : min= 2880, max=26873, per=13.63%, avg=9443.58, stdev=4525.57
    lat (usec) : 100=3.59%, 250=25.70%, 500=1.09%, 750=0.81%, 1000=0.26%
    lat (msec) : 2=1.27%, 4=4.57%, 10=10.91%, 20=15.41%, 50=7.46%
    lat (msec) : 100=9.30%, 250=16.32%, 500=3.30%
  cpu          : usr=0.08%, sys=0.08%, ctx=3882, majf=0, minf=223
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=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=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=2738/w=1110/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
   READ: io=22432KB, aggrb=822KB/s, minb=822KB/s, maxb=822KB/s, mint=27265msec, maxt=27265msec
  WRITE: io=1844.6MB, aggrb=69276KB/s, minb=69276KB/s, maxb=69276KB/s, mint=27265msec, maxt=27265msec

Disk stats (read/write):
    dm-1: ios=2750/4779, merge=0/0, ticks=29520/338536, in_queue=368060, util=99.71%, aggrios=2056/3592, aggrmerge=0/0, aggrticks=370/3448, aggrin_queue=3816, aggrutil=13.79%
  sdc: ios=1363/2402, merge=0/1, ticks=740/6896, in_queue=7632, util=13.79%
    md127: ios=2750/4782, merge=0/0, ticks=0/0, in_queue=0, util=0.00%, aggrios=1387/2370, aggrmerge=0/21, aggrticks=28784/328048, aggrin_queue=356832, aggrutil=99.64%
  sdb: ios=1387/2370, merge=0/21, ticks=28784/328048, in_queue=356832, util=99.64%