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] [9.1% done] [ 12205/  3721 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [12.1% done] [ 11500/  4844 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [16.1% done] [ 12827/  2477 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [19.4% done] [ 13912/   465 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [21.2% done] [  5777/  8739 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [25.0% done] [ 10031/  4328 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [28.1% done] [  4919/  8180 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [30.3% done] [  8558/  4478 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [32.4% done] [  9763/  1492 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [34.3% done] [  9700/  2500 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [35.1% done] [  7908/  3619 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [37.8% done] [  7227/  2626 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [39.5% done] [  8767/  2185 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [41.0% done] [  5348/  4706 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [44.7% done] [  6045/  5147 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [46.2% done] [  3891/  5490 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [50.0% done] [  2327/  7286 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [51.3% done] [  4277/  4025 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [52.5% done] [  5600/  2398 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [53.5% done] [  5584/  2500 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] [54.5% done] [  4592/  2701 kb/s] [eta 00m:20s]
fio: pid=14160, got signal=6
Threads: 2: [m_m] [58.1% done] [   894/  7573 kb/s] [eta 00m:18s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=14161, got signal=6
Threads: 1: [m__] [61.9% done] [  4170/  3713 kb/s] [eta 00m:16s]
Threads: 1: [m__] [67.5% done] [  3662/  4005 kb/s] [eta 00m:13s]
Threads: 1: [V__] [80.0% done] [ 17734/     0 kb/s] [eta 00m:07s]
Threads: 1: [V__] [93.5% done] [ 19979/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=14159
  read : io=100MiB, bw=3,555KiB/s, runt= 29490msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  839, avg=94.60, stdev=105.26
    bw (KiB/s) : min=   77, max=24884, per=48.51%, avg=3961.00, stdev=5315.43
  write: io=43,896KiB, bw=1,662KiB/s, runt= 27037msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  608, avg=93.99, stdev=102.61
    bw (KiB/s) : min=    0, max= 9643, per=62.50%, avg=2741.92, stdev=2844.49
  cpu          : usr=0.18%, sys=0.49%, ctx=5609
  IO depths    : 1=1.3%, 2=6.3%, 4=46.2%, 8=46.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.9%, 4=0.1%, 10=2.5%, 20=16.9%, 50=34.9%, 100=9.8%
     lat (msec): 250=25.4%, 500=8.9%, 750=0.5%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14160
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.5%, 2=2.1%, 4=31.0%, 8=66.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.0%, 10=0.1%, 20=3.5%, 50=11.6%, 100=26.7%
     lat (msec): 250=54.1%, 500=3.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14161
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.7%, 2=3.0%, 4=36.2%, 8=60.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.0%, 4=0.1%, 10=0.2%, 20=4.1%, 50=13.4%, 100=26.9%
     lat (msec): 250=48.4%, 500=5.2%, 750=0.6%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=230MiB, aggrb=8,165KiB/s, minb=0KiB/s, maxb=3,555KiB/s, mint=0msec, maxt=29490msec
  WRITE: io=113MiB, aggrb=4,387KiB/s, minb=0KiB/s, maxb=1,662KiB/s, mint=0msec, maxt=29490msec

Disk stats (read/write):
  sda: ios=4195/2421, merge=587/314, ticks=63688/88212, in_queue=151900, util=97.72%
0.19user 0.47system 0:30.38elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2477minor)pagefaults 0swaps