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) / 1700MB)

random_rw: (groupid=0, jobs=1): err= 0: pid=1999: Tue Jul 24 00:55:56 2012
  read : io=869872KB, bw=489517KB/s, iops=122379 , runt=  1777msec
    slat (usec): min=2 , max=78 , avg= 3.46, stdev= 0.87
    clat (usec): min=16 , max=604 , avg=126.83, stdev=16.35
     lat (usec): min=19 , max=617 , avg=130.40, stdev=16.74
    clat percentiles (usec):
     |  1.00th=[  119],  5.00th=[  121], 10.00th=[  122], 20.00th=[  123],
     | 30.00th=[  124], 40.00th=[  124], 50.00th=[  125], 60.00th=[  126],
     | 70.00th=[  127], 80.00th=[  129], 90.00th=[  133], 95.00th=[  135],
     | 99.00th=[  149], 99.50th=[  155], 99.90th=[  490], 99.95th=[  524],
     | 99.99th=[  548]
    bw (KB/s)  : min=487648, max=493224, per=100.00%, avg=490160.00, stdev=2828.69
  write: io=870928KB, bw=490111KB/s, iops=122527 , runt=  1777msec
    slat (usec): min=2 , max=171 , avg= 2.78, stdev= 0.90
    clat (usec): min=23 , max=606 , avg=126.77, stdev=16.22
     lat (usec): min=26 , max=616 , avg=129.65, stdev=16.57
    clat percentiles (usec):
     |  1.00th=[  118],  5.00th=[  120], 10.00th=[  121], 20.00th=[  123],
     | 30.00th=[  124], 40.00th=[  124], 50.00th=[  125], 60.00th=[  126],
     | 70.00th=[  127], 80.00th=[  129], 90.00th=[  133], 95.00th=[  135],
     | 99.00th=[  149], 99.50th=[  155], 99.90th=[  490], 99.95th=[  516],
     | 99.99th=[  548]
    bw (KB/s)  : min=484072, max=496464, per=100.00%, avg=490920.00, stdev=6298.07
    lat (usec) : 20=0.01%, 50=0.01%, 100=0.01%, 250=99.80%, 500=0.11%
    lat (usec) : 750=0.08%
  cpu          : usr=24.21%, sys=75.34%, ctx=185, majf=0, minf=22
  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=217468/w=217732/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
   READ: io=869872KB, aggrb=489517KB/s, minb=489517KB/s, maxb=489517KB/s, mint=1777msec, maxt=1777msec
  WRITE: io=870928KB, aggrb=490111KB/s, minb=490111KB/s, maxb=490111KB/s, mint=1777msec, maxt=1777msec

Disk stats (read/write):
  ram0: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00%