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: [mmm] [13.0% done] [ 18452/ 12260 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [19.0% done] [ 15001/ 18565 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.8% done] [ 17974/ 10252 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.0% done] [ 25945/  7533 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.0% done] [ 19346/  8573 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.1% done] [ 16363/ 10528 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [45.0% done] [  4567/  7517 kb/s] [eta 00m:11s]
Threads: 3: [FmF] [47.6% done] [  2811/  4542 kb/s] [eta 00m:11s]
Threads: 3: [FmF] [50.0% done] [  1865/    56 kb/s] [eta 00m:11s]
Threads: 3: [FmF] [50.0% done] [  1507/     0 kb/s] [eta 00m:12s]
Threads: 3: [FmF] [52.0% done] [  1901/     0 kb/s] [eta 00m:12s]
Threads: 1: [_m_] [56.0% done] [ 82196/     0 kb/s] [eta 00m:11s]
Threads: 1: [_m_] [62.5% done] [  4892/  4429 kb/s] [eta 00m:09s]
Threads: 1: [_m_] [66.7% done] [  7696/     0 kb/s] [eta 00m:08s]
Threads: 1: [_F_] [100.0% done] [   629/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=8009
  read : io=100MiB, bw=7,821KiB/s, runt= 13407msec
    clat (msec): min=    0, max=  235, avg= 2.28, stdev=19.56
    bw (KiB/s) : min=   10, max=18683, per=47.28%, avg=7944.08, stdev=7120.27
  write: io=48,012KiB, bw=3,746KiB/s, runt= 13123msec
    clat (msec): min=    0, max=  239, avg= 5.51, stdev=29.49
    bw (KiB/s) : min=    0, max=19904, per=100.79%, avg=6850.73, stdev=6835.90
  cpu          : usr=7.91%, sys=1.16%, ctx=1041
  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=93.9%, 4=0.7%, 10=2.0%, 20=1.4%, 50=0.3%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8010
  read : io=100MiB, bw=5,601KiB/s, runt= 18721msec
    clat (msec): min=    0, max=  655, avg= 5.26, stdev=36.45
    bw (KiB/s) : min=    4, max=10056, per=26.07%, avg=4380.57, stdev=3675.43
  write: io=49,256KiB, bw=2,734KiB/s, runt= 18444msec
    clat (msec): min=    0, max=  703, avg=10.05, stdev=40.88
    bw (KiB/s) : min=    0, max= 9608, per=74.36%, avg=5053.93, stdev=3848.75
  cpu          : usr=5.81%, sys=1.11%, ctx=5420
  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=78.5%, 4=2.1%, 10=6.8%, 20=8.7%, 50=1.5%, 100=0.3%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8011
  read : io=100MiB, bw=7,694KiB/s, runt= 13627msec
    clat (msec): min=    0, max=  253, avg= 3.75, stdev=22.64
    bw (KiB/s) : min=   13, max=29963, per=55.08%, avg=9254.75, stdev=7777.14
  write: io=25,172KiB, bw=1,912KiB/s, runt= 13479msec
    clat (msec): min=    0, max=  237, avg= 4.49, stdev=24.70
    bw (KiB/s) : min=    0, max=15704, per=89.89%, avg=6110.00, stdev=6567.60
  cpu          : usr=6.84%, sys=1.35%, ctx=2030
  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=88.1%, 4=1.6%, 10=4.0%, 20=3.9%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,803KiB/s, minb=5,601KiB/s, maxb=7,821KiB/s, mint=13407msec, maxt=18721msec
  WRITE: io=120MiB, aggrb=6,797KiB/s, minb=1,912KiB/s, maxb=3,746KiB/s, mint=13407msec, maxt=18721msec

Disk stats (read/write):
  sda: ios=8351/1384, merge=0/29302, ticks=32096/890572, in_queue=922664, util=96.39%
3.10user 0.64system 0:19.01elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8351major+100062minor)pagefaults 0swaps