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] [18.8% done] [ 17812/ 25760 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [26.7% done] [ 25480/ 12523 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [33.3% done] [ 15541/ 20330 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [40.0% done] [ 14525/ 25934 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [46.7% done] [ 17518/  5163 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [53.3% done] [   645/ 10452 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [56.2% done] [   752/  5246 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [58.8% done] [    19/  1823 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [57.9% done] [     0/  1614 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [57.1% done] [     0/   531 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [59.1% done] [   563/    19 kb/s] [eta 00m:09s]
Threads: 1: [_m_] [63.6% done] [100698/     0 kb/s] [eta 00m:08s]
Threads: 1: [_m_] [68.2% done] [  8018/   504 kb/s] [eta 00m:07s]
Threads: 1: [_F_] [100.0% done] [     0/   129 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31116
  read : io=100MiB, bw=7,494KiB/s, runt= 13992msec
    clat (msec): min=    0, max=  233, avg= 2.11, stdev=15.70
    bw (KiB/s) : min=   16, max=35645, per=50.85%, avg=8994.55, stdev=10639.90
  write: io=49,916KiB, bw=3,745KiB/s, runt= 13648msec
    clat (msec): min=    0, max=  248, avg= 4.38, stdev=23.07
    bw (KiB/s) : min=    0, max=21035, per=90.11%, avg=7696.90, stdev=7253.72
  cpu          : usr=7.86%, sys=1.23%, ctx=1832
  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=91.7%, 4=1.1%, 10=2.4%, 20=2.8%, 50=0.4%, 100=0.3%
     lat (msec): 250=1.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31117
  read : io=100MiB, bw=5,895KiB/s, runt= 17785msec
    clat (msec): min=    0, max=  698, avg= 4.40, stdev=30.15
    bw (KiB/s) : min=    3, max=12263, per=28.12%, avg=4974.25, stdev=4517.48
  write: io=49,228KiB, bw=2,879KiB/s, runt= 17507msec
    clat (msec): min=    0, max=  674, avg= 9.15, stdev=54.72
    bw (KiB/s) : min=    0, max=15806, per=58.78%, avg=5020.67, stdev=5620.83
  cpu          : usr=5.49%, sys=1.30%, ctx=4396
  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=81.7%, 4=2.0%, 10=6.6%, 20=6.5%, 50=1.1%, 100=0.7%
     lat (msec): 250=1.1%, 500=0.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31118
  read : io=100MiB, bw=7,502KiB/s, runt= 13976msec
    clat (msec): min=    0, max=  209, avg= 1.92, stdev=16.13
    bw (KiB/s) : min=    7, max=29117, per=49.48%, avg=8751.73, stdev=9710.21
  write: io=46,904KiB, bw=3,520KiB/s, runt= 13644msec
    clat (msec): min=    0, max=  235, avg= 4.37, stdev=25.00
    bw (KiB/s) : min=    0, max=27962, per=93.61%, avg=7996.50, stdev=9209.21
  cpu          : usr=7.84%, sys=1.60%, ctx=884
  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=95.5%, 4=0.4%, 10=1.1%, 20=0.9%, 50=0.4%, 100=0.4%
     lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,687KiB/s, minb=5,895KiB/s, maxb=7,502KiB/s, mint=13976msec, maxt=17785msec
  WRITE: io=143MiB, aggrb=8,542KiB/s, minb=2,879KiB/s, maxb=3,745KiB/s, mint=13976msec, maxt=17785msec

Disk stats (read/write):
  sda: ios=6950/1496, merge=0/35056, ticks=27896/1123732, in_queue=1151624, util=96.47%
3.18user 0.67system 0:18.11elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (6949major+107371minor)pagefaults 0swaps