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] [7.9% done] [  3788/  9684 kb/s] [eta 00m:35s]
Threads: 3: [mmm] [10.8% done] [  6048/  8044 kb/s] [eta 00m:33s]
Threads: 3: [mmm] [14.3% done] [  7356/  6492 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [16.7% done] [  9832/  2188 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [19.4% done] [  7568/  5956 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [21.1% done] [  4808/  6196 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [23.7% done] [  6628/  5920 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [25.6% done] [  7636/  2508 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [27.5% done] [  3840/  5064 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [29.3% done] [  7708/  3532 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [31.7% done] [  6160/  3748 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [33.3% done] [  7356/  1900 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [35.7% done] [  5192/  4716 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [38.1% done] [  7056/  1884 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [40.5% done] [  5992/  2704 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [41.9% done] [  6164/  1032 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [43.2% done] [  6792/  1848 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [45.5% done] [  2664/  5992 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [46.7% done] [  4260/  3416 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [48.9% done] [  4192/  3128 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [50.0% done] [  4168/  2668 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [52.2% done] [  3868/  2532 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [53.2% done] [  2124/  4548 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [55.3% done] [  4408/  2572 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [56.2% done] [  2636/  5184 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [57.1% done] [  6368/  1036 kb/s] [eta 00m:21s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=16248, got signal=6
Threads: 2: [m_m] [59.2% done] [  1916/  4328 kb/s] [eta 00m:20s]
Threads: 2: [m_m] [61.2% done] [  1640/  6872 kb/s] [eta 00m:19s]
Threads: 2: [m_m] [62.0% done] [  3076/  3744 kb/s] [eta 00m:19s]
Threads: 2: [V_m] [62.7% done] [  9904/   812 kb/s] [eta 00m:19s]
Threads: 2: [V_m] [63.0% done] [ 17412/   396 kb/s] [eta 00m:20s]
Threads: 2: [V_m] [63.6% done] [ 15184/   960 kb/s] [eta 00m:20s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [__m] [66.7% done] [  7356/   184 kb/s] [eta 00m:18s]
fio: pid=16249, got signal=6

fio: (groupid=0): err= 0: pid=16247
  read : io=100MiB, bw=2,993KiB/s, runt= 35025msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  631, avg=106.78, stdev=100.38
    bw (KiB/s) : min=   30, max=17568, per=53.57%, avg=3422.13, stdev=4011.27
  write: io=42,524KiB, bw=1,354KiB/s, runt= 32149msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  471, avg=119.07, stdev=81.49
    bw (KiB/s) : min=    0, max= 5169, per=51.28%, avg=2140.52, stdev=1834.22
  cpu          : usr=0.09%, sys=0.40%, ctx=10442
  IO depths    : 1=0.4%, 2=1.5%, 4=28.5%, 8=69.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.5%, 10=3.2%, 20=15.1%, 50=25.9%, 100=6.2%
     lat (msec): 250=42.7%, 500=5.8%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16248
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=1.4%, 4=14.2%, 8=83.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.7%, 4=0.3%, 10=1.1%, 20=4.5%, 50=15.8%, 100=5.1%
     lat (msec): 250=67.3%, 500=5.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16249
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.8%, 4=11.1%, 8=87.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.1%, 10=0.0%, 20=1.7%, 50=15.7%, 100=3.6%
     lat (msec): 250=66.9%, 500=8.6%, 750=1.6%, 1000=1.0%, >=2000=0.1%

Run status group 0 (all jobs):
   READ: io=213MiB, aggrb=6,388KiB/s, minb=0KiB/s, maxb=2,993KiB/s, mint=0msec, maxt=35025msec
  WRITE: io=128MiB, aggrb=4,174KiB/s, minb=0KiB/s, maxb=1,354KiB/s, mint=0msec, maxt=35025msec

Disk stats (read/write):
  sda: ios=3922/2443, merge=642/378, ticks=76116/43608, in_queue=119720, util=99.05%
0.13user 0.34system 0:36.31elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2510minor)pagefaults 0swaps