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: [mmF] [37.5% done] [  7564/ 39380 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [40.0% done] [  2904/ 50192 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [38.5% done] [  1848/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [40.0% done] [  1144/     0 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [63.6% done] [  1108/ 36688 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [66.7% done] [   384/  2988 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=31567, got signal=6
Threads: 2: [_FF] [100.0% done] [   352/  1504 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 2: [_VV] [66.7% done] [     0/     0 kb/s] [eta 00m:08s]
fio: pid=31569, got signal=6
Threads: 1: [_V_] [89.5% done] [ 28200/     0 kb/s] [eta 00m:02s]
Threads: 1: [_V_] [100.0% done] [ 34408/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31567
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.8%, 2=78.1%, 4=6.2%, 8=14.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=77.7%, 4=0.9%, 10=4.1%, 20=0.2%, 50=0.1%, 100=2.0%
     lat (msec): 250=8.4%, 500=5.0%, 750=1.3%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31568
  read : io=100MiB, bw=5,416KiB/s, runt= 19358msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  534, avg=26.34, stdev=53.91
    bw (KiB/s) : min=    1, max=35823, per=231.27%, avg=15365.50, stdev=14827.57
  write: io=89,572KiB, bw=5,585KiB/s, runt= 16420msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  190, avg= 0.78, stdev= 8.10
    bw (KiB/s) : min=    0, max=44675, per=132.11%, avg=22337.50, stdev=31590.00
  cpu          : usr=3.45%, sys=1.78%, ctx=4713
  IO depths    : 1=1.5%, 2=55.7%, 4=30.1%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.7%, 4=0.5%, 10=23.3%, 20=16.0%, 50=6.8%, 100=0.8%
     lat (msec): 250=3.4%, 500=0.3%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31569
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=95.4%, 4=2.8%, 8=1.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=96.6%, 4=0.7%, 10=0.0%, 20=0.1%, 50=0.2%, 100=0.4%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=123MiB, aggrb=6,644KiB/s, minb=0KiB/s, maxb=5,416KiB/s, mint=0msec, maxt=19358msec
  WRITE: io=265MiB, aggrb=16,908KiB/s, minb=0KiB/s, maxb=5,585KiB/s, mint=0msec, maxt=19358msec

Disk stats (read/write):
  sda: ios=1624/2486, merge=461/65024, ticks=23288/2217680, in_queue=2259816, util=98.05%
2.14user 0.98system 0:19.69elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2484minor)pagefaults 0swaps