128m: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
...
128m: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
fio 2.0.7
Starting 32 processes

128m: (groupid=0, jobs=32): err= 0: pid=6934
  write: io=871124KB, bw=87078KB/s, iops=21769 , runt= 10004msec
    clat (usec): min=49 , max=135783 , avg=1465.98, stdev=4500.99
     lat (usec): min=49 , max=135783 , avg=1466.50, stdev=4501.00
    clat percentiles (usec):
     |  1.00th=[   64],  5.00th=[   95], 10.00th=[  165], 20.00th=[  306],
     | 30.00th=[  454], 40.00th=[  620], 50.00th=[  804], 60.00th=[ 1080],
     | 70.00th=[ 1432], 80.00th=[ 1912], 90.00th=[ 2640], 95.00th=[ 3408],
     | 99.00th=[ 5216], 99.50th=[37632], 99.90th=[58624], 99.95th=[76288],
     | 99.99th=[117248]
    bw (KB/s)  : min=   62, max= 4063, per=3.12%, avg=2713.51, stdev=1263.24
    lat (usec) : 50=0.01%, 100=5.36%, 250=10.75%, 500=16.77%, 750=14.38%
    lat (usec) : 1000=10.16%
    lat (msec) : 2=24.02%, 4=16.03%, 10=1.86%, 20=0.08%, 50=0.20%
    lat (msec) : 100=0.37%, 250=0.03%
  cpu          : usr=0.23%, sys=1.22%, ctx=221394, majf=0, minf=903
  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=0/w=217781/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
  WRITE: io=871124KB, aggrb=87077KB/s, minb=87077KB/s, maxb=87077KB/s, mint=10004msec, maxt=10004msec
