fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFm] [13.6% done] [   512/     0 kb/s] [eta 00m:19s]
Threads: 3: [FFm] [13.3% done] [   156/     0 kb/s] [eta 00m:26s]
Threads: 3: [FFm] [13.9% done] [   532/   192 kb/s] [eta 00m:31s]
Threads: 3: [VVm] [16.2% done] [  5376/     0 kb/s] [eta 00m:31s]
Threads: 1: [__m] [29.2% done] [116641/     0 kb/s] [eta 00m:17s]
Threads: 1: [__m] [40.0% done] [ 11252/  6456 kb/s] [eta 00m:12s]
Threads: 1: [__m] [56.2% done] [ 17784/  3440 kb/s] [eta 00m:07s]
Threads: 1: [__m] [62.5% done] [  8064/     0 kb/s] [eta 00m:06s]
Threads: 1: [__m] [64.7% done] [  7220/     0 kb/s] [eta 00m:06s]
Threads: 1: [__F] [100.0% done] [  4656/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=21454
  read : io=100MiB, bw=16,510KiB/s, runt=  6351msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=105594, per=206.55%, avg=52798.00, stdev=74664.82
  write: io=50,840KiB, bw=8,652KiB/s, runt=  6017msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=102203, per=557.88%, avg=51101.50, stdev=72268.43
  cpu          : usr=19.02%, sys=3.46%, ctx=26
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21455
  read : io=100MiB, bw=16,625KiB/s, runt=  6307msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=110174, per=215.52%, avg=55092.50, stdev=77897.00
  write: io=48,604KiB, bw=8,273KiB/s, runt=  6016msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev=-1.00
  cpu          : usr=17.25%, sys=3.62%, ctx=19
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21456
  read : io=100MiB, bw=8,520KiB/s, runt= 12306msec
    clat (msec): min=    0, max=  788, avg= 5.72, stdev=36.89
    bw (KiB/s) : min=   21, max=21980, per=34.26%, avg=8757.85, stdev=8228.30
  write: io=10,088KiB, bw=843KiB/s, runt= 12244msec
    clat (msec): min=    0, max=  768, avg= 9.02, stdev=66.84
    bw (KiB/s) : min=    0, max=19509, per=71.00%, avg=6503.67, stdev=11262.95
  cpu          : usr=8.48%, sys=1.72%, ctx=5138
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=69.8%, 4=3.5%, 10=11.1%, 20=12.6%, 50=2.0%, 100=0.1%
     lat (msec): 250=0.2%, 500=0.3%, 750=0.0%, 1000=0.2%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=25,562KiB/s, minb=8,520KiB/s, maxb=16,625KiB/s, mint=6307msec, maxt=12306msec
  WRITE: io=107MiB, aggrb=9,160KiB/s, minb=843KiB/s, maxb=8,652KiB/s, mint=6307msec, maxt=12306msec

Disk stats (read/write):
  sda: ios=5117/976, merge=0/26475, ticks=10536/693752, in_queue=704280, util=89.66%
3.34user 0.67system 0:12.65elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+105182minor)pagefaults 0swaps