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: 2
Threads: 2: [_mm] [23.1% done] [ 11536/ 14232 kb/s] [eta 00m:10s]
Threads: 2: [_mm] [30.8% done] [ 14788/  9600 kb/s] [eta 00m:09s]
Threads: 2: [_mm] [38.5% done] [ 20308/  1188 kb/s] [eta 00m:08s]
Threads: 2: [_mm] [46.2% done] [  8920/ 11324 kb/s] [eta 00m:07s]
Threads: 2: [_mm] [50.0% done] [  4080/ 10272 kb/s] [eta 00m:07s]
Threads: 2: [_mm] [57.1% done] [ 18024/  6560 kb/s] [eta 00m:06s]
Threads: 2: [_mm] [60.0% done] [  4752/  2336 kb/s] [eta 00m:06s]
Threads: 2: [_mm] [62.5% done] [     0/  7420 kb/s] [eta 00m:06s]
Threads: 2: [_mm] [64.7% done] [  4288/   792 kb/s] [eta 00m:06s]
Threads: 2: [_mF] [66.7% done] [  3808/  2288 kb/s] [eta 00m:06s]
Threads: 2: [_mF] [68.4% done] [   892/     0 kb/s] [eta 00m:06s]
Threads: 2: [_FF] [100.0% done] [   556/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [ 39132/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [100.0% done] [ 46476/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=29526
  read : io=100MiB, bw=72,265KiB/s, runt=  1451msec
    clat (msec): min=    0, max=    4, avg= 0.00, stdev= 0.10
    bw (KiB/s) : min=117989, max=117989, per=610.93%, avg=117989.00, stdev=-1.00
  cpu          : usr=54.58%, sys=6.62%, ctx=8
  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=99.8%, 4=0.0%, 10=0.1%, 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%
fio: (groupid=0): err= 0: pid=29527
  read : io=100MiB, bw=6,437KiB/s, runt= 16288msec
    clat (msec): min=    0, max=  728, avg= 4.23, stdev=28.83
    bw (KiB/s) : min=   12, max=13322, per=24.88%, avg=4804.26, stdev=4923.20
  write: io=51,492KiB, bw=3,295KiB/s, runt= 15998msec
    clat (msec): min=    0, max=  251, avg= 7.40, stdev=26.04
    bw (KiB/s) : min=    0, max=15977, per=101.61%, avg=5893.53, stdev=5792.97
  cpu          : usr=6.51%, sys=1.52%, ctx=4600
  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=80.6%, 4=2.2%, 10=6.2%, 20=7.5%, 50=1.0%, 100=0.1%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29528
  read : io=100MiB, bw=7,099KiB/s, runt= 14770msec
    clat (msec): min=    0, max=  247, avg= 3.58, stdev=18.36
    bw (KiB/s) : min=   15, max=15294, per=37.21%, avg=7186.40, stdev=5765.91
  write: io=39,132KiB, bw=2,755KiB/s, runt= 14544msec
    clat (msec): min=    0, max=  236, avg= 7.03, stdev=25.63
    bw (KiB/s) : min=    0, max=17250, per=89.14%, avg=5169.92, stdev=5641.76
  cpu          : usr=7.12%, sys=1.27%, ctx=3747
  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=82.8%, 4=1.9%, 10=5.8%, 20=5.9%, 50=1.1%, 100=0.2%
     lat (msec): 250=2.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=19,313KiB/s, minb=6,437KiB/s, maxb=72,265KiB/s, mint=1451msec, maxt=16288msec
  WRITE: io=90,624KiB, aggrb=5,800KiB/s, minb=0KiB/s, maxb=3,295KiB/s, mint=1451msec, maxt=16288msec

Disk stats (read/write):
  sda: ios=8278/995, merge=0/21681, ticks=23012/682112, in_queue=705124, util=96.87%
2.90user 0.59system 0:16.65elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8278major+92163minor)pagefaults 0swaps