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] [10.0% done] [ 10672/  4448 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [13.8% done] [ 14496/  2324 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [17.9% done] [ 13364/  2584 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [20.0% done] [ 13808/  1368 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [22.6% done] [ 12084/  3448 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [24.2% done] [  7340/  6864 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [25.7% done] [  9334/  2461 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [27.8% done] [  6423/  7065 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [29.7% done] [ 10338/  1169 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [32.4% done] [  9751/  2737 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [35.1% done] [  7648/  4600 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [37.8% done] [  7526/  4218 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [40.5% done] [  7345/  4722 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [41.0% done] [  2965/  6896 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [42.5% done] [  3201/  6096 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [45.0% done] [  9491/   267 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [47.5% done] [  5017/  4170 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [48.8% done] [  5608/  2760 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [51.2% done] [  5261/  3686 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [52.4% done] [  5606/  2063 kb/s] [eta 00m:20s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [54.8% done] [  3342/  3940 kb/s] [eta 00m:19s]
fio: pid=25830, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=25829, got signal=6
Threads: 1: [m__] [57.1% done] [  5340/  2876 kb/s] [eta 00m:18s]
Threads: 1: [m__] [62.5% done] [  8452/     0 kb/s] [eta 00m:15s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [m__] [66.7% done] [  6295/     0 kb/s] [eta 00m:13s]
fio: pid=25828, got signal=6

fio: (groupid=0): err= 0: pid=25828
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=1.4%, 4=33.4%, 8=65.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.2%, 10=0.1%, 20=4.9%, 50=32.6%, 100=12.7%
     lat (msec): 250=36.1%, 500=11.7%, 750=0.7%, 1000=0.4%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25829
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=3.2%, 4=29.3%, 8=67.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.2%, 4=0.2%, 10=1.1%, 20=3.0%, 50=10.7%, 100=27.5%
     lat (msec): 250=51.6%, 500=4.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25830
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.7%, 2=3.1%, 4=28.9%, 8=67.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.7%, 4=0.0%, 10=0.9%, 20=3.8%, 50=10.3%, 100=28.0%
     lat (msec): 250=51.6%, 500=4.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  sda: ios=3639/2043, merge=464/174, ticks=60588/41040, in_queue=101628, util=97.99%
0.20user 0.39system 0:27.33elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2483minor)pagefaults 0swaps