gistfile1.txt

$ fio ~/dev/fioscenarios/gcclike
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): [_mE___m_] [98.2% done] [1320K/72924K /s] [150 /46  iops] [eta 00m:01s]
gcclike: (groupid=0, jobs=8): err= 0: pid=19416
  Description  : [Trying to simulate WebKit compilation on 8 cores]
  read : io=25756KB, bw=477714 B/s, iops=53 , runt= 55209msec
    clat (usec): min=173 , max=1328.7K, avg=43656.92, stdev=107253.11
     lat (usec): min=173 , max=1328.7K, avg=43657.18, stdev=107253.14
    clat percentiles (usec):
     |  1.00th=[  394],  5.00th=[ 1880], 10.00th=[ 3376], 20.00th=[ 6496],
     | 30.00th=[ 7968], 40.00th=[ 9408], 50.00th=[11200], 60.00th=[14272],
     | 70.00th=[20352], 80.00th=[30336], 90.00th=[80384], 95.00th=[280576],
     | 99.00th=[552960], 99.50th=[651264], 99.90th=[995328], 99.95th=[1028096],
     | 99.99th=[1335296]
    bw (KB/s)  : min=    2, max=  431, per=15.66%, avg=72.99, stdev=79.55
  write: io=1653.1MB, bw=30661KB/s, iops=18 , runt= 55209msec
    clat (usec): min=380 , max=1157.9K, avg=217815.67, stdev=183595.28
     lat (usec): min=382 , max=1157.1K, avg=217896.67, stdev=183601.62
    clat percentiles (msec):
     |  1.00th=[   13],  5.00th=[   40], 10.00th=[   57], 20.00th=[   88],
     | 30.00th=[  110], 40.00th=[  127], 50.00th=[  145], 60.00th=[  180],
     | 70.00th=[  241], 80.00th=[  359], 90.00th=[  482], 95.00th=[  603],
     | 99.00th=[  840], 99.50th=[  930], 99.90th=[ 1123], 99.95th=[ 1156],
     | 99.99th=[ 1156]
    bw (KB/s)  : min=  423, max=25764, per=18.99%, avg=5821.80, stdev=4734.27
    lat (usec) : 250=0.35%, 500=0.76%, 750=0.56%, 1000=0.46%
    lat (msec) : 2=1.80%, 4=4.98%, 10=23.86%, 20=19.28%, 50=15.21%
    lat (msec) : 100=6.81%, 250=14.17%, 500=8.43%, 750=2.73%, 1000=0.46%
    lat (msec) : 2000=0.15%
  cpu          : usr=0.03%, sys=0.05%, ctx=3992, majf=0, minf=207
  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=2929/w=1023/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
   READ: io=25756KB, aggrb=466KB/s, minb=466KB/s, maxb=466KB/s, mint=55209msec, maxt=55209msec
  WRITE: io=1653.1MB, aggrb=30661KB/s, minb=30661KB/s, maxb=30661KB/s, mint=55209msec, maxt=55209msec

Disk stats (read/write):
  sdb: ios=2911/3964, merge=0/41, ticks=126620/813832, in_queue=940456, util=99.86%