random_rw: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
fio-2.0.8-9-gfb9f0
Starting 1 process
random_rw: Laying out IO file(s) (1 file(s) / 200MB)

random_rw: (groupid=0, jobs=1): err= 0: pid=2011: Tue Jul 24 01:00:02 2012
  read : io=102120KB, bw=618740 B/s, iops=151 , runt=169006msec
    slat (usec): min=275 , max=87560 , avg=6571.88, stdev=2799.57
    clat (usec): min=294 , max=214745 , avg=102349.31, stdev=21957.26
     lat (msec): min=9 , max=225 , avg=108.92, stdev=22.21
    clat percentiles (msec):
     |  1.00th=[   54],  5.00th=[   68], 10.00th=[   76], 20.00th=[   84],
     | 30.00th=[   91], 40.00th=[   96], 50.00th=[  102], 60.00th=[  108],
     | 70.00th=[  114], 80.00th=[  121], 90.00th=[  131], 95.00th=[  141],
     | 99.00th=[  157], 99.50th=[  161], 99.90th=[  182], 99.95th=[  198],
     | 99.99th=[  210]
    bw (KB/s)  : min=  474, max=  817, per=99.90%, avg=603.38, stdev=47.87
  write: io=102680KB, bw=622133 B/s, iops=151 , runt=169006msec
    slat (usec): min=2 , max=196 , avg=24.66, stdev=20.35
    clat (usec): min=42 , max=221533 , avg=102260.25, stdev=21825.38
     lat (usec): min=85 , max=221542 , avg=102285.38, stdev=21825.25
    clat percentiles (msec):
     |  1.00th=[   53],  5.00th=[   69], 10.00th=[   76], 20.00th=[   85],
     | 30.00th=[   91], 40.00th=[   96], 50.00th=[  102], 60.00th=[  108],
     | 70.00th=[  114], 80.00th=[  121], 90.00th=[  131], 95.00th=[  139],
     | 99.00th=[  157], 99.50th=[  163], 99.90th=[  184], 99.95th=[  206],
     | 99.99th=[  215]
    bw (KB/s)  : min=  318, max=  936, per=99.86%, avg=606.14, stdev=100.63
    lat (usec) : 50=0.01%, 250=0.01%, 500=0.01%
    lat (msec) : 10=0.01%, 20=0.02%, 50=0.60%, 100=46.62%, 250=52.75%
  cpu          : usr=0.41%, sys=1.58%, ctx=27474, majf=0, minf=22
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=99.9%, >=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=25530/w=25670/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
   READ: io=102120KB, aggrb=604KB/s, minb=604KB/s, maxb=604KB/s, mint=169006msec, maxt=169006msec
  WRITE: io=102680KB, aggrb=607KB/s, minb=607KB/s, maxb=607KB/s, mint=169006msec, maxt=169006msec

Disk stats (read/write):
  sda: ios=25533/4, merge=23/18, ticks=164781/112, in_queue=164823, util=97.51%