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] [15.8% done] [ 22799/  8967 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [25.0% done] [ 20204/ 10688 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [31.2% done] [ 23911/  6578 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [37.5% done] [ 25867/  3840 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [41.2% done] [ 19696/  7880 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 24197/ 10795 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [  8621/ 11134 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [58.8% done] [  7782/  2004 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.1% done] [  3717/  3343 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  5509/  1090 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  2402/  3233 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [66.7% done] [  2465/  2532 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/   169 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [EFF] [100.0% done] [ 50856/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [ 19859/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [70.4% done] [  2233/     0 kb/s] [eta 00m:08s]
fio: (groupid=0): err= 0: pid=5183
  read : io=100MiB, bw=6,041KiB/s, runt= 17357msec
    clat (msec): min=    0, max=  233, avg= 2.74, stdev=22.07
    bw (KiB/s) : min=    4, max=17768, per=42.20%, avg=6672.93, stdev=6165.88
  write: io=51,452KiB, bw=3,087KiB/s, runt= 17063msec
    clat (msec): min=    0, max=  246, avg= 5.54, stdev=30.62
    bw (KiB/s) : min=    0, max=17876, per=125.12%, avg=8030.08, stdev=6961.82
  cpu          : usr=6.08%, sys=1.31%, ctx=1553
  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=92.4%, 4=0.9%, 10=2.8%, 20=2.1%, 50=0.1%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5184
  read : io=100MiB, bw=5,733KiB/s, runt= 18287msec
    clat (msec): min=    0, max=  243, avg= 6.33, stdev=29.56
    bw (KiB/s) : min=    3, max=14287, per=40.07%, avg=6337.16, stdev=4875.64
  write: io=20,092KiB, bw=1,132KiB/s, runt= 18166msec
    clat (msec): min=    0, max=  250, avg= 8.60, stdev=36.67
    bw (KiB/s) : min=    0, max=14740, per=64.49%, avg=4138.78, stdev=5355.80
  cpu          : usr=5.18%, sys=1.09%, ctx=3414
  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=80.8%, 4=2.5%, 10=5.7%, 20=7.5%, 50=0.6%, 100=0.1%
     lat (msec): 250=2.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5185
  read : io=100MiB, bw=5,271KiB/s, runt= 19891msec
    clat (msec): min=    0, max=  243, avg= 4.03, stdev=22.88
    bw (KiB/s) : min=    5, max=11287, per=26.27%, avg=4154.59, stdev=3975.88
  write: io=51,304KiB, bw=2,680KiB/s, runt= 19600msec
    clat (msec): min=    0, max=  240, avg= 8.55, stdev=32.58
    bw (KiB/s) : min=    0, max= 9704, per=61.34%, avg=3936.71, stdev=3671.38
  cpu          : usr=5.55%, sys=1.09%, ctx=4264
  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=82.0%, 4=1.7%, 10=6.3%, 20=6.5%, 50=1.0%, 100=0.3%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,814KiB/s, minb=5,271KiB/s, maxb=6,041KiB/s, mint=17357msec, maxt=19891msec
  WRITE: io=120MiB, aggrb=6,418KiB/s, minb=1,132KiB/s, maxb=3,087KiB/s, mint=17357msec, maxt=19891msec

Disk stats (read/write):
  sda: ios=9047/1224, merge=0/29547, ticks=34812/1440124, in_queue=1475456, util=97.03%
3.11user 0.67system 0:20.48elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9047major+99475minor)pagefaults 0swaps