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: [mmF] [18.8% done] [ 12847/  3233 kb/s] [eta 00m:13s]
Threads: 3: [mmF] [23.5% done] [  6848/ 10243 kb/s] [eta 00m:13s]
Threads: 3: [mmF] [27.8% done] [ 14914/   712 kb/s] [eta 00m:13s]
Threads: 3: [mmF] [31.6% done] [ 11606/  2323 kb/s] [eta 00m:13s]
Threads: 3: [mmF] [36.8% done] [ 12685/  4190 kb/s] [eta 00m:12s]
Threads: 3: [mmF] [42.1% done] [ 16663/  3501 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [47.4% done] [ 10373/  2457 kb/s] [eta 00m:10s]
Threads: 2: [mmE] [52.6% done] [ 50345/  6596 kb/s] [eta 00m:09s]
Threads: 2: [mm_] [55.0% done] [  7026/  2918 kb/s] [eta 00m:09s]
Threads: 2: [Fm_] [57.1% done] [  2363/     0 kb/s] [eta 00m:09s]
Threads: 1: [_m_] [61.9% done] [ 24599/  5368 kb/s] [eta 00m:08s]
Threads: 1: [_m_] [66.7% done] [  3619/  5163 kb/s] [eta 00m:07s]
Threads: 1: [_F_] [100.0% done] [     0/  1437 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=21816
  read : io=100MiB, bw=8,039KiB/s, runt= 13042msec
    clat (msec): min=    0, max=  242, avg= 4.26, stdev=25.10
    bw (KiB/s) : min=    9, max=16982, per=41.46%, avg=7759.71, stdev=5099.86
  write: io=24,956KiB, bw=1,981KiB/s, runt= 12894msec
    clat (msec): min=    0, max=  212, avg= 6.87, stdev=28.36
    bw (KiB/s) : min=    0, max=10675, per=73.55%, avg=4917.00, stdev=4365.10
  cpu          : usr=7.70%, sys=1.10%, ctx=2943
  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=84.7%, 4=1.9%, 10=5.2%, 20=5.6%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21817
  read : io=100MiB, bw=6,238KiB/s, runt= 16807msec
    clat (msec): min=    0, max=  696, avg= 5.08, stdev=30.30
    bw (KiB/s) : min=   24, max=14055, per=24.71%, avg=4624.60, stdev=4361.78
  write: io=39,968KiB, bw=2,468KiB/s, runt= 16579msec
    clat (msec): min=    0, max=  225, avg= 6.44, stdev=26.33
    bw (KiB/s) : min=    0, max=10393, per=58.50%, avg=3910.88, stdev=4089.86
  cpu          : usr=6.12%, sys=1.38%, ctx=5249
  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=79.4%, 4=2.4%, 10=6.4%, 20=9.0%, 50=0.9%, 100=0.0%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21818
  read : io=100MiB, bw=10,493KiB/s, runt=  9993msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=121004, per=323.28%, avg=60506.00, stdev=85557.09
  write: io=43,316KiB, bw=4,554KiB/s, runt=  9739msec
    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=10.69%, sys=1.44%, ctx=18
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=18,716KiB/s, minb=6,238KiB/s, maxb=10,493KiB/s, mint=9993msec, maxt=16807msec
  WRITE: io=106MiB, aggrb=6,685KiB/s, minb=1,981KiB/s, maxb=4,554KiB/s, mint=9993msec, maxt=16807msec

Disk stats (read/write):
  sda: ios=8136/1215, merge=0/25867, ticks=24096/1387876, in_queue=1411960, util=95.52%
3.10user 0.57system 0:17.36elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8135major+96725minor)pagefaults 0swaps