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] [8.6% done] [  4592/  8968 kb/s] [eta 00m:32s]
Threads: 3: [mmm] [10.8% done] [  3084/  9364 kb/s] [eta 00m:33s]
Threads: 3: [mmm] [14.3% done] [  4668/ 10132 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [17.1% done] [  5648/  7584 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [19.4% done] [  9136/  2872 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [22.2% done] [  5456/  6440 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [25.0% done] [  9356/  2564 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [27.0% done] [  7296/  2232 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [29.7% done] [  3796/  7152 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [32.4% done] [  1472/  9152 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [34.2% done] [  3860/  5832 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [35.9% done] [  7134/  2474 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [37.5% done] [  4928/  4332 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [40.0% done] [  5960/  3360 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [42.5% done] [  3500/  5420 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [43.9% done] [  4452/  5332 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [46.3% done] [  6640/  1224 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [47.6% done] [  6426/   664 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [48.8% done] [  3272/  4092 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [51.2% done] [  2212/  6452 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [52.3% done] [  3808/  2784 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [53.3% done] [  4904/  2376 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [54.3% done] [  7204/   420 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [56.5% done] [  3492/  2520 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [57.4% done] [  2768/  5328 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [58.3% done] [   656/  6148 kb/s] [eta 00m:20s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=30438, got signal=6
Threads: 2: [_mm] [59.2% done] [  7124/     0 kb/s] [eta 00m:20s]
Threads: 2: [_mm] [58.8% done] [  4300/  3752 kb/s] [eta 00m:21s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=30439, got signal=6
Threads: 1: [__m] [63.3% done] [  4708/  2216 kb/s] [eta 00m:18s]
Threads: 1: [__V] [68.1% done] [  5172/   952 kb/s] [eta 00m:15s]
Threads: 1: [__V] [79.1% done] [ 17500/     0 kb/s] [eta 00m:09s]
Threads: 1: [__V] [92.1% done] [ 19004/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=30438
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.7%, 4=16.8%, 8=82.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.5%, 4=0.0%, 10=1.2%, 20=3.6%, 50=16.1%, 100=9.0%
     lat (msec): 250=65.5%, 500=3.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30439
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=0.9%, 4=13.3%, 8=85.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.5%, 4=0.1%, 10=1.2%, 20=3.0%, 50=17.7%, 100=4.3%
     lat (msec): 250=62.1%, 500=10.1%, 750=0.7%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30440
  read : io=100MiB, bw=2,963KiB/s, runt= 35373msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    6, max=  667, avg=103.64, stdev=103.72
    bw (KiB/s) : min=    5, max=22052, per=61.98%, avg=3749.52, stdev=5129.04
  write: io=47,196KiB, bw=1,475KiB/s, runt= 32745msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  771, avg=154.96, stdev=86.62
    bw (KiB/s) : min=    0, max= 6095, per=52.73%, avg=2393.28, stdev=1922.28
  cpu          : usr=0.12%, sys=0.26%, ctx=10338
  IO depths    : 1=0.2%, 2=0.6%, 4=22.9%, 8=76.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.3%, 10=1.5%, 20=7.8%, 50=34.8%, 100=4.2%
     lat (msec): 250=45.2%, 500=5.1%, 750=0.8%, 1000=0.1%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=204MiB, aggrb=6,050KiB/s, minb=0KiB/s, maxb=2,963KiB/s, mint=35373msec, maxt=35373msec
  WRITE: io=142MiB, aggrb=4,539KiB/s, minb=0KiB/s, maxb=1,475KiB/s, mint=35373msec, maxt=35373msec

Disk stats (read/write):
  sda: ios=3806/2458, merge=706/370, ticks=71208/45316, in_queue=116524, util=99.15%
0.10user 0.29system 0:35.77elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2508minor)pagefaults 0swaps