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] [20.0% done] [ 34520/  5420 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [30.8% done] [ 33252/  4220 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [38.5% done] [ 29176/  2856 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [46.2% done] [ 25592/  5864 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [53.8% done] [ 36600/  1888 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [57.1% done] [ 17164/  6928 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [60.0% done] [  8244/  7804 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [62.5% done] [  3288/  2972 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [61.1% done] [  2388/   672 kb/s] [eta 00m:07s]
Threads: 2: [_mF] [63.2% done] [ 17864/   940 kb/s] [eta 00m:07s]
Threads: 1: [_F_] [100.0% done] [ 15956/     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=5607
  read : io=100MiB, bw=8,685KiB/s, runt= 12073msec
    clat (msec): min=    0, max=  248, avg= 3.23, stdev=22.05
    bw (KiB/s) : min=    8, max=24843, per=45.97%, avg=9780.67, stdev=8752.27
  write: io=16,844KiB, bw=1,440KiB/s, runt= 11973msec
    clat (msec): min=    0, max= 1045, avg= 7.97, stdev=63.92
    bw (KiB/s) : min=    0, max= 7480, per=76.79%, avg=3086.38, stdev=3444.18
  cpu          : usr=7.22%, sys=1.06%, ctx=954
  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=93.5%, 4=0.9%, 10=1.8%, 20=1.7%, 50=0.1%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=5608
  read : io=100MiB, bw=7,092KiB/s, runt= 14785msec
    clat (msec): min=    0, max=  527, avg= 4.88, stdev=26.17
    bw (KiB/s) : min=   10, max=25128, per=27.55%, avg=5861.36, stdev=6312.69
  write: io=31,584KiB, bw=2,214KiB/s, runt= 14605msec
    clat (msec): min=    0, max=  531, avg= 8.47, stdev=36.33
    bw (KiB/s) : min=    0, max=13001, per=105.93%, avg=4257.29, stdev=5117.57
  cpu          : usr=6.71%, sys=1.16%, ctx=4514
  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=78.8%, 4=2.1%, 10=6.8%, 20=8.4%, 50=1.5%, 100=0.6%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5609
  read : io=100MiB, bw=8,444KiB/s, runt= 12417msec
    clat (msec): min=    0, max=  573, avg= 4.79, stdev=27.95
    bw (KiB/s) : min=   31, max=21668, per=43.71%, avg=9300.58, stdev=6260.69
  write: io=8,896KiB, bw=736KiB/s, runt= 12361msec
    clat (msec): min=    0, max=  242, avg= 7.68, stdev=33.47
    bw (KiB/s) : min=    0, max= 7742, per=63.76%, avg=2562.50, stdev=3198.42
  cpu          : usr=6.51%, sys=1.00%, ctx=2177
  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=86.2%, 4=1.8%, 10=4.7%, 20=4.1%, 50=0.7%, 100=0.4%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=21,276KiB/s, minb=7,092KiB/s, maxb=8,685KiB/s, mint=12073msec, maxt=14785msec
  WRITE: io=57,324KiB, aggrb=4,019KiB/s, minb=736KiB/s, maxb=2,214KiB/s, mint=12073msec, maxt=14785msec

Disk stats (read/write):
  sda: ios=7529/835, merge=0/13560, ticks=29968/592636, in_queue=622604, util=97.13%
2.68user 0.49system 0:15.07elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (7529major+84575minor)pagefaults 0swaps