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] [13.6% done] [ 17176/ 15201 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [20.0% done] [ 32414/     0 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [23.8% done] [ 25002/  2702 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.0% done] [ 18501/  7936 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [38.9% done] [ 20174/ 19145 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.1% done] [  7424/ 19456 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [  8313/  8561 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.6% done] [  4778/  7350 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [57.9% done] [  7635/  2458 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [63.2% done] [  9098/  2072 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [65.0% done] [  9955/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [66.7% done] [  1808/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [65.2% done] [    61/     0 kb/s] [eta 00m:08s]
Threads: 2: [mEV] [66.7% done] [ 59631/     8 kb/s] [eta 00m:08s]
Threads: 1: [F__] [100.0% done] [  7094/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5214
  read : io=100MiB, bw=5,824KiB/s, runt= 18003msec
    clat (msec): min=    0, max=  986, avg= 5.23, stdev=41.29
    bw (KiB/s) : min=    8, max=12391, per=27.41%, avg=4789.39, stdev=4303.64
  write: io=44,772KiB, bw=2,582KiB/s, runt= 17750msec
    clat (msec): min=    0, max= 1382, avg=10.50, stdev=69.27
    bw (KiB/s) : min=    0, max=13442, per=85.05%, avg=5309.64, stdev=5112.08
  cpu          : usr=5.89%, sys=0.73%, ctx=1239
  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=93.0%, 4=0.5%, 10=1.5%, 20=1.9%, 50=0.4%, 100=0.2%
     lat (msec): 250=2.0%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5215
  read : io=100MiB, bw=6,582KiB/s, runt= 15930msec
    clat (msec): min=    0, max=  244, avg= 5.06, stdev=23.61
    bw (KiB/s) : min=   23, max=17069, per=46.46%, avg=8117.55, stdev=5808.10
  write: io=14,168KiB, bw=915KiB/s, runt= 15839msec
    clat (msec): min=    0, max=  222, avg= 8.18, stdev=31.54
    bw (KiB/s) : min=    0, max=15962, per=59.98%, avg=3744.57, stdev=5683.02
  cpu          : usr=5.32%, sys=1.13%, ctx=3223
  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=80.4%, 4=2.7%, 10=7.1%, 20=6.4%, 50=0.5%, 100=0.4%
     lat (msec): 250=2.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5216
  read : io=100MiB, bw=6,531KiB/s, runt= 16053msec
    clat (msec): min=    0, max=  238, avg= 3.43, stdev=19.18
    bw (KiB/s) : min=    6, max=14251, per=29.37%, avg=5132.63, stdev=5291.70
  write: io=49,292KiB, bw=3,202KiB/s, runt= 15763msec
    clat (msec): min=    0, max=  243, avg= 8.56, stdev=33.22
    bw (KiB/s) : min=    0, max=15177, per=74.55%, avg=4654.11, stdev=5043.16
  cpu          : usr=7.05%, sys=1.17%, ctx=3548
  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=83.5%, 4=2.2%, 10=5.9%, 20=4.8%, 50=0.9%, 100=0.3%
     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=17,473KiB/s, minb=5,824KiB/s, maxb=6,582KiB/s, mint=15930msec, maxt=18003msec
  WRITE: io=106MiB, aggrb=6,243KiB/s, minb=915KiB/s, maxb=3,202KiB/s, mint=15930msec, maxt=18003msec

Disk stats (read/write):
  sda: ios=7876/1129, merge=0/25968, ticks=38132/891184, in_queue=929312, util=96.80%
3.04user 0.55system 0:18.49elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (7876major+96980minor)pagefaults 0swaps