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] [ 29546/ 12650 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [23.5% done] [ 28719/  7254 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 25568/  9728 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [33.3% done] [ 17246/  7101 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [41.2% done] [ 19790/ 14658 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [44.4% done] [ 10476/ 11362 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [50.0% done] [ 12583/  7278 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [55.6% done] [  7660/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [57.9% done] [  1906/  2524 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [63.2% done] [  5183/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [65.0% done] [  2674/  1394 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  2512/  1921 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 26151/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=7900
  read : io=100MiB, bw=6,593KiB/s, runt= 15904msec
    clat (msec): min=    0, max=  801, avg= 3.51, stdev=33.57
    bw (KiB/s) : min=   18, max=23260, per=51.02%, avg=8968.00, stdev=7413.42
  write: io=26,560KiB, bw=1,727KiB/s, runt= 15748msec
    clat (msec): min=    0, max=  238, avg= 3.58, stdev=26.23
    bw (KiB/s) : min=    0, max=18263, per=124.07%, avg=6404.43, stdev=7055.80
  cpu          : usr=6.09%, sys=0.91%, ctx=653
  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=96.8%, 4=0.5%, 10=0.8%, 20=0.4%, 50=0.0%, 100=0.0%
     lat (msec): 250=1.1%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7901
  read : io=100MiB, bw=5,859KiB/s, runt= 17896msec
    clat (msec): min=    0, max=  234, avg= 2.81, stdev=17.53
    bw (KiB/s) : min=   18, max=28550, per=48.37%, avg=8501.43, stdev=8640.08
  write: io=38,528KiB, bw=2,233KiB/s, runt= 17668msec
    clat (msec): min=    0, max=  215, avg= 5.38, stdev=24.32
    bw (KiB/s) : min=    0, max=15635, per=112.54%, avg=5809.45, stdev=5584.41
  cpu          : usr=5.57%, sys=1.30%, ctx=2902
  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=86.3%, 4=1.7%, 10=4.9%, 20=4.7%, 50=0.6%, 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=7902
  read : io=100MiB, bw=5,886KiB/s, runt= 17812msec
    clat (msec): min=    0, max=  519, avg= 6.00, stdev=25.87
    bw (KiB/s) : min=   17, max=14565, per=31.70%, avg=5571.93, stdev=4525.75
  write: io=23,980KiB, bw=1,390KiB/s, runt= 17664msec
    clat (msec): min=    0, max=  215, avg= 9.05, stdev=29.44
    bw (KiB/s) : min=    0, max= 9924, per=60.11%, avg=3102.92, stdev=3652.00
  cpu          : usr=5.03%, sys=1.19%, ctx=4939
  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=75.2%, 4=2.0%, 10=8.7%, 20=9.4%, 50=1.3%, 100=1.3%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,577KiB/s, minb=5,859KiB/s, maxb=6,593KiB/s, mint=15904msec, maxt=17896msec
  WRITE: io=89,068KiB, aggrb=5,162KiB/s, minb=1,390KiB/s, maxb=2,233KiB/s, mint=15904msec, maxt=17896msec

Disk stats (read/write):
  sda: ios=8291/1180, merge=0/21121, ticks=30044/1277192, in_queue=1307236, util=97.26%
2.86user 0.60system 0:18.36elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8291major+91772minor)pagefaults 0swaps