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] [ 20224/  9212 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [23.5% done] [ 25112/  5204 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [27.8% done] [ 25536/  6344 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [33.3% done] [ 17340/ 12576 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [ 13744/ 10916 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [42.1% done] [  7700/ 15852 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.4% done] [ 10084/ 18256 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.6% done] [  8952/  2324 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [55.0% done] [  8468/   880 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [57.1% done] [  3764/   892 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [59.1% done] [  1548/  3120 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [63.6% done] [  1712/  2764 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [65.2% done] [  4900/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [  2832/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [ 46600/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6424
  read : io=100MiB, bw=5,039KiB/s, runt= 20808msec
    clat (msec): min=    0, max=  271, avg= 2.41, stdev=20.57
    bw (KiB/s) : min=   17, max=14825, per=41.82%, avg=6322.33, stdev=5896.71
  write: io=58,772KiB, bw=2,944KiB/s, runt= 20439msec
    clat (msec): min=    0, max=  253, avg= 5.58, stdev=30.20
    bw (KiB/s) : min=    0, max=17578, per=110.05%, avg=7210.21, stdev=5809.81
  cpu          : usr=5.59%, sys=1.00%, ctx=1307
  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=93.8%, 4=0.5%, 10=1.8%, 20=1.9%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=6425
  read : io=100MiB, bw=5,243KiB/s, runt= 19998msec
    clat (msec): min=    0, max=  383, avg= 3.96, stdev=24.55
    bw (KiB/s) : min=    1, max=17258, per=43.35%, avg=6552.80, stdev=5339.72
  write: io=46,600KiB, bw=2,419KiB/s, runt= 19720msec
    clat (msec): min=    0, max=  261, avg= 4.72, stdev=25.14
    bw (KiB/s) : min=    0, max=15228, per=124.62%, avg=8165.30, stdev=6262.61
  cpu          : usr=5.00%, sys=1.24%, ctx=2540
  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=87.9%, 4=1.6%, 10=4.2%, 20=3.8%, 50=0.5%, 100=0.2%
     lat (msec): 250=1.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=6426
  read : io=100MiB, bw=5,087KiB/s, runt= 20612msec
    clat (msec): min=    0, max=  273, avg= 7.05, stdev=27.31
    bw (KiB/s) : min=   10, max=13846, per=32.66%, avg=4936.86, stdev=3542.30
  write: io=25,408KiB, bw=1,273KiB/s, runt= 20430msec
    clat (msec): min=    0, max=  246, avg= 8.06, stdev=25.89
    bw (KiB/s) : min=    0, max=13408, per=64.42%, avg=4221.10, stdev=4715.70
  cpu          : usr=4.75%, sys=1.14%, ctx=5811
  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=72.5%, 4=2.8%, 10=8.9%, 20=10.8%, 50=1.5%, 100=1.2%
     lat (msec): 250=2.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,117KiB/s, minb=5,039KiB/s, maxb=5,243KiB/s, mint=19998msec, maxt=20808msec
  WRITE: io=128MiB, aggrb=6,552KiB/s, minb=1,273KiB/s, maxb=2,944KiB/s, mint=19998msec, maxt=20808msec

Disk stats (read/write):
  sda: ios=9343/1266, merge=0/31455, ticks=34692/1564096, in_queue=1598788, util=97.63%
3.14user 0.71system 0:21.09elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9343major+101170minor)pagefaults 0swaps