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] [23.1% done] [ 40014/  2378 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [30.8% done] [ 32519/  1366 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [35.7% done] [ 28971/  7664 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 19979/ 18837 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [46.7% done] [ 11240/ 19865 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 11354/  4029 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [52.9% done] [  3733/  3194 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [55.6% done] [   244/  4340 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [57.9% done] [     0/  5135 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [63.2% done] [  1090/  2453 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [65.0% done] [   559/  4608 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4336/   476 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 28278/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [  9019/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [81.0% done] [ 18538/     0 kb/s] [eta 00m:04s]
fio: (groupid=0): err= 0: pid=16399
  read : io=100MiB, bw=6,847KiB/s, runt= 15313msec
    clat (msec): min=    0, max=  825, avg= 3.85, stdev=30.76
    bw (KiB/s) : min=    7, max=25976, per=49.59%, avg=8796.07, stdev=7646.38
  write: io=28,720KiB, bw=1,941KiB/s, runt= 15145msec
    clat (msec): min=    0, max=  346, avg= 3.19, stdev=22.50
    bw (KiB/s) : min=    0, max=16228, per=182.09%, avg=9559.83, stdev=7474.34
  cpu          : usr=6.01%, sys=0.97%, ctx=1470
  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=92.8%, 4=0.8%, 10=2.2%, 20=2.2%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.3%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16400
  read : io=100MiB, bw=5,913KiB/s, runt= 17733msec
    clat (msec): min=    0, max=  292, avg= 3.20, stdev=16.66
    bw (KiB/s) : min=    7, max=16714, per=32.39%, avg=5745.44, stdev=5568.74
  write: io=51,544KiB, bw=3,026KiB/s, runt= 17441msec
    clat (msec): min=    0, max=  279, avg= 8.13, stdev=25.22
    bw (KiB/s) : min=    0, max=13741, per=90.43%, avg=4747.65, stdev=3721.50
  cpu          : usr=6.09%, sys=1.33%, ctx=6073
  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=77.8%, 4=2.2%, 10=7.6%, 20=8.1%, 50=1.4%, 100=1.7%
     lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16401
  read : io=100MiB, bw=6,634KiB/s, runt= 15804msec
    clat (msec): min=    0, max=  230, avg= 3.77, stdev=23.52
    bw (KiB/s) : min=   23, max=23258, per=66.01%, avg=11708.64, stdev=6499.28
  write: io=9,160KiB, bw=595KiB/s, runt= 15746msec
    clat (msec): min=    0, max=  291, avg= 7.19, stdev=36.99
    bw (KiB/s) : min=    0, max=12058, per=67.69%, avg=3553.75, stdev=5759.84
  cpu          : usr=5.29%, sys=0.73%, ctx=1137
  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=91.6%, 4=0.9%, 10=2.8%, 20=2.2%, 50=0.3%, 100=0.2%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,739KiB/s, minb=5,913KiB/s, maxb=6,847KiB/s, mint=15313msec, maxt=17733msec
  WRITE: io=89,424KiB, aggrb=5,250KiB/s, minb=595KiB/s, maxb=3,026KiB/s, mint=15313msec, maxt=17733msec

Disk stats (read/write):
  sda: ios=8404/1050, merge=0/21354, ticks=29708/1360588, in_queue=1390292, util=97.20%
2.84user 0.54system 0:18.11elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8404major+91747minor)pagefaults 0swaps