fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [11.1% done] [ 13303/  3275 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [13.3% done] [  8399/  9073 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [16.1% done] [  9882/  5477 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [19.4% done] [  4352/ 10252 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [20.6% done] [  5087/  8094 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [25.0% done] [  3998/  9350 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [27.3% done] [  7879/  5408 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [31.2% done] [  3758/ 10284 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [33.3% done] [  5107/  7484 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [34.3% done] [  6452/  5209 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [36.1% done] [  5172/  7074 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [37.8% done] [  6253/  5806 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [39.5% done] [  4648/  7501 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [41.0% done] [  5258/  5396 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [42.5% done] [  4628/  5290 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [43.9% done] [  5010/  3518 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [46.3% done] [  7883/  1048 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [47.6% done] [  2608/  6237 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [47.7% done] [  2019/  5997 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [50.0% done] [  6623/   300 kb/s] [eta 00m:22s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15091, got signal=6
Threads: 2: [mm_] [52.3% done] [  2328/  5977 kb/s] [eta 00m:21s]
Threads: 2: [mm_] [53.3% done] [  2600/  3141 kb/s] [eta 00m:21s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15090, got signal=6
Threads: 1: [m__] [59.5% done] [   788/  8825 kb/s] [eta 00m:17s]
Threads: 1: [m__] [65.0% done] [  6780/  1294 kb/s] [eta 00m:14s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15089, got signal=6

fio: (groupid=0): err= 0: pid=15089
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=2.6%, 4=34.7%, 8=62.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.6%, 4=0.7%, 10=1.4%, 20=7.0%, 50=33.4%, 100=12.1%
     lat (msec): 250=28.2%, 500=15.8%, 750=0.6%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15090
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=2.0%, 4=30.0%, 8=67.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.2%, 10=1.1%, 20=3.7%, 50=18.8%, 100=22.3%
     lat (msec): 250=48.5%, 500=4.5%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15091
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=2.5%, 4=33.1%, 8=64.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.5%, 4=0.7%, 10=0.9%, 20=4.1%, 50=15.3%, 100=28.3%
     lat (msec): 250=44.8%, 500=4.3%, 750=0.5%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  sda: ios=2929/2997, merge=347/334, ticks=49828/64484, in_queue=114308, util=99.18%
0.25user 0.44system 0:27.26elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2502minor)pagefaults 0swaps