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] [ 42344/ 14164 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [28.6% done] [ 19996/ 14804 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [41.7% done] [ 12636/ 31028 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [50.0% done] [  6008/ 36728 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [53.8% done] [ 29824/  9992 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [53.3% done] [  9436/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [56.2% done] [  1476/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [55.6% done] [    32/    52 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [55.0% done] [     0/     0 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [54.5% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 1: [m__] [59.1% done] [ 83480/  3220 kb/s] [eta 00m:09s]
Threads: 1: [m__] [63.6% done] [  7432/     0 kb/s] [eta 00m:08s]
Threads: 1: [F__] [100.0% done] [  7456/     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=3639
  read : io=100MiB, bw=6,179KiB/s, runt= 16969msec
    clat (msec): min=    0, max= 1030, avg= 4.79, stdev=30.18
    bw (KiB/s) : min=    5, max=15591, per=32.79%, avg=6078.47, stdev=5359.58
  write: io=37,688KiB, bw=2,303KiB/s, runt= 16754msec
    clat (msec): min=    0, max= 3064, avg=12.23, stdev=139.26
    bw (KiB/s) : min=    0, max=18237, per=86.25%, avg=6313.64, stdev=6632.39
  cpu          : usr=5.99%, sys=1.25%, ctx=6138
  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=75.0%, 4=3.0%, 10=7.7%, 20=10.6%, 50=1.8%, 100=1.0%
     lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3640
  read : io=100MiB, bw=8,155KiB/s, runt= 12857msec
    clat (msec): min=    0, max=  236, avg= 2.46, stdev=18.62
    bw (KiB/s) : min=   23, max=22228, per=41.33%, avg=7661.25, stdev=7584.38
  write: io=52,820KiB, bw=4,311KiB/s, runt= 12546msec
    clat (msec): min=    0, max=  514, avg= 4.58, stdev=31.72
    bw (KiB/s) : min=    0, max=21113, per=133.37%, avg=9762.56, stdev=8696.11
  cpu          : usr=8.65%, sys=1.43%, ctx=991
  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=94.6%, 4=0.7%, 10=1.2%, 20=1.6%, 50=0.2%, 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=3641
  read : io=100MiB, bw=8,418KiB/s, runt= 12456msec
    clat (msec): min=    0, max=  653, avg= 3.05, stdev=25.97
    bw (KiB/s) : min=    9, max=38531, per=64.25%, avg=11910.91, stdev=11357.00
  write: io=29,268KiB, bw=2,439KiB/s, runt= 12286msec
    clat (msec): min=    0, max=  220, avg= 3.03, stdev=21.40
    bw (KiB/s) : min=    0, max=16451, per=155.59%, avg=11389.40, stdev=6708.60
  cpu          : usr=7.71%, sys=1.22%, ctx=878
  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=95.3%, 4=0.5%, 10=1.2%, 20=1.2%, 50=0.1%, 100=0.1%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=18,538KiB/s, minb=6,179KiB/s, maxb=8,418KiB/s, mint=12456msec, maxt=16969msec
  WRITE: io=117MiB, aggrb=7,320KiB/s, minb=2,303KiB/s, maxb=4,311KiB/s, mint=12456msec, maxt=16969msec

Disk stats (read/write):
  sda: ios=7895/1253, merge=0/28725, ticks=28352/819364, in_queue=847712, util=94.50%
3.09user 0.60system 0:17.65elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (7895major+99847minor)pagefaults 0swaps