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] [13.0% done] [ 20900/ 26908 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [20.0% done] [ 32816/  6396 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [35.7% done] [ 27636/ 15328 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [46.2% done] [ 36796/     0 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.3% done] [ 28340/ 17332 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [61.5% done] [ 15544/  5868 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [64.3% done] [  5420/  1624 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [66.7% done] [  1968/     0 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [64.7% done] [  1516/     0 kb/s] [eta 00m:06s]
Threads: 2: [_mF] [66.7% done] [ 43076/   812 kb/s] [eta 00m:06s]
Threads: 2: [_mV] [68.4% done] [  2460/  1996 kb/s] [eta 00m:06s]
Threads: 1: [_F_] [100.0% done] [ 31636/  1704 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5369
  read : io=100MiB, bw=8,836KiB/s, runt= 11866msec
    clat (msec): min=    0, max=  310, avg= 2.11, stdev=19.93
    bw (KiB/s) : min=    1, max=34340, per=43.85%, avg=9232.27, stdev=11099.05
  write: io=43,056KiB, bw=3,795KiB/s, runt= 11616msec
    clat (msec): min=    0, max= 1532, avg= 6.26, stdev=67.94
    bw (KiB/s) : min=    0, max=24051, per=95.18%, avg=6987.25, stdev=8759.73
  cpu          : usr=8.90%, sys=1.38%, ctx=531
  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=96.7%, 4=0.1%, 10=1.0%, 20=0.7%, 50=0.1%, 100=0.0%
     lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5370
  read : io=100MiB, bw=7,018KiB/s, runt= 14940msec
    clat (msec): min=    0, max=  825, avg= 5.41, stdev=36.89
    bw (KiB/s) : min=    1, max=16493, per=30.84%, avg=6493.43, stdev=6445.73
  write: io=28,772KiB, bw=1,994KiB/s, runt= 14775msec
    clat (msec): min=    0, max=  654, avg= 6.79, stdev=43.24
    bw (KiB/s) : min=    0, max=16335, per=44.25%, avg=3248.22, stdev=5303.14
  cpu          : usr=5.70%, sys=1.34%, ctx=3592
  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=82.1%, 4=2.2%, 10=6.2%, 20=6.4%, 50=1.0%, 100=0.4%
     lat (msec): 250=1.3%, 500=0.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5371
  read : io=100MiB, bw=7,841KiB/s, runt= 13372msec
    clat (msec): min=    0, max=  304, avg= 3.54, stdev=22.11
    bw (KiB/s) : min=   10, max=17471, per=36.15%, avg=7612.00, stdev=6466.37
  write: io=34,096KiB, bw=2,651KiB/s, runt= 13170msec
    clat (msec): min=    0, max=  228, avg= 4.98, stdev=23.73
    bw (KiB/s) : min=    0, max=19593, per=90.52%, avg=6645.00, stdev=7506.15
  cpu          : usr=7.15%, sys=1.68%, ctx=2043
  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=89.0%, 4=1.2%, 10=3.5%, 20=3.7%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=21,055KiB/s, minb=7,018KiB/s, maxb=8,836KiB/s, mint=11866msec, maxt=14940msec
  WRITE: io=103MiB, aggrb=7,341KiB/s, minb=1,994KiB/s, maxb=3,795KiB/s, mint=11866msec, maxt=14940msec

Disk stats (read/write):
  sda: ios=6043/1202, merge=0/25340, ticks=27844/901856, in_queue=929700, util=97.53%
2.86user 0.62system 0:15.26elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (6043major+98224minor)pagefaults 0swaps