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] [25.0% done] [ 23755/ 26274 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [30.8% done] [ 23320/  9793 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [38.5% done] [ 30533/  6887 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [42.9% done] [ 21069/   105 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [ 22016/ 12771 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [57.1% done] [ 24432/ 10380 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [60.0% done] [  6284/  4916 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [62.5% done] [  2216/  2952 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [61.1% done] [  2860/  2080 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  5328/    88 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [68.4% done] [  5192/   884 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [66.7% done] [  2136/   228 kb/s] [eta 00m:07s]
Threads: 2: [_mF] [68.2% done] [ 39912/     0 kb/s] [eta 00m:07s]
Threads: 1: [_F_] [100.0% done] [ 30068/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30642
  read : io=100MiB, bw=7,025KiB/s, runt= 14925msec
    clat (msec): min=    0, max=  685, avg= 3.46, stdev=28.96
    bw (KiB/s) : min=    6, max=16972, per=36.91%, avg=6802.00, stdev=6214.47
  write: io=39,912KiB, bw=2,781KiB/s, runt= 14696msec
    clat (msec): min=    0, max=  358, avg= 3.87, stdev=26.98
    bw (KiB/s) : min=    0, max=24384, per=123.05%, avg=7087.44, stdev=9340.62
  cpu          : usr=6.89%, sys=1.23%, ctx=650
  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=96.5%, 4=0.3%, 10=0.8%, 20=0.4%, 50=0.1%, 100=0.1%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30643
  read : io=100MiB, bw=6,142KiB/s, runt= 17070msec
    clat (msec): min=    0, max= 2047, avg= 7.31, stdev=56.79
    bw (KiB/s) : min=    6, max=15121, per=30.41%, avg=5604.08, stdev=5077.46
  write: io=25,760KiB, bw=1,558KiB/s, runt= 16921msec
    clat (msec): min=    0, max=  347, avg= 8.48, stdev=30.37
    bw (KiB/s) : min=    0, max=16774, per=80.61%, avg=4642.90, stdev=6404.21
  cpu          : usr=5.13%, sys=1.10%, ctx=4004
  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=78.7%, 4=2.2%, 10=6.1%, 20=8.3%, 50=1.0%, 100=0.8%
     lat (msec): 250=2.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30644
  read : io=100MiB, bw=6,572KiB/s, runt= 15955msec
    clat (msec): min=    0, max=  321, avg= 4.86, stdev=24.51
    bw (KiB/s) : min=    7, max=17581, per=30.69%, avg=5656.04, stdev=6219.84
  write: io=29,516KiB, bw=1,914KiB/s, runt= 15783msec
    clat (msec): min=    0, max=  414, avg= 8.31, stdev=35.53
    bw (KiB/s) : min=    0, max=12327, per=61.12%, avg=3520.27, stdev=4550.44
  cpu          : usr=6.12%, sys=0.93%, ctx=3196
  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=1.7%, 10=5.4%, 20=5.9%, 50=0.6%, 100=0.3%
     lat (msec): 250=2.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=18,428KiB/s, minb=6,142KiB/s, maxb=7,025KiB/s, mint=14925msec, maxt=17070msec
  WRITE: io=95,188KiB, aggrb=5,760KiB/s, minb=1,558KiB/s, maxb=2,781KiB/s, mint=14925msec, maxt=17070msec

Disk stats (read/write):
  sda: ios=7685/1086, merge=0/22735, ticks=35700/1027516, in_queue=1063216, util=98.11%
2.89user 0.58system 0:17.36elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (7685major+93901minor)pagefaults 0swaps