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] [8.3% done] [ 10840/ 3532 kb/s] [eta 00m:33s] Threads: 3: [mmm] [11.8% done] [ 6784/ 6072 kb/s] [eta 00m:30s] Threads: 3: [mmm] [13.9% done] [ 8356/ 4800 kb/s] [eta 00m:31s] Threads: 3: [mmm] [17.1% done] [ 2180/ 11940 kb/s] [eta 00m:29s] Threads: 3: [mmm] [19.4% done] [ 9772/ 964 kb/s] [eta 00m:29s] Threads: 3: [mmm] [22.2% done] [ 9265/ 2470 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.7% done] [ 4304/ 8324 kb/s] [eta 00m:26s] Threads: 3: [mmm] [27.8% done] [ 10096/ 760 kb/s] [eta 00m:26s] Threads: 3: [mmm] [29.7% done] [ 3512/ 6116 kb/s] [eta 00m:26s] Threads: 3: [mmm] [31.6% done] [ 5260/ 4400 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 5400/ 4012 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 6580/ 3728 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 4100/ 6592 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.0% done] [ 7592/ 2304 kb/s] [eta 00m:23s] Threads: 3: [mmm] [42.5% done] [ 4268/ 4596 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.0% done] [ 6160/ 2792 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.3% done] [ 4392/ 2872 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 6080/ 988 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 4004/ 3892 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.2% done] [ 4904/ 2820 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 3796/ 2804 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 4656/ 2016 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.6% done] [ 3548/ 2684 kb/s] [eta 00m:20s] Threads: 3: [mmm] [56.5% done] [ 3548/ 3420 kb/s] [eta 00m:20s] Threads: 3: [mmm] [57.4% done] [ 4444/ 2368 kb/s] [eta 00m:20s] Threads: 3: [mmm] [57.1% done] [ 2412/ 5376 kb/s] [eta 00m:21s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=2645, got signal=6 Threads: 2: [_mm] [59.2% done] [ 2744/ 3772 kb/s] [eta 00m:20s] Threads: 2: [_mm] [60.0% done] [ 5588/ 800 kb/s] [eta 00m:20s] Threads: 2: [_mm] [62.0% done] [ 5876/ 1292 kb/s] [eta 00m:19s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 2: [_mm] [64.0% done] [ 1900/ 4832 kb/s] [eta 00m:18s] fio: pid=2646, got signal=6 fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=2647, got signal=6 fio: (groupid=0): err= 0: pid=2645 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.7%, 2=2.8%, 4=20.4%, 8=76.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.0%, 10=2.4%, 20=4.7%, 50=14.8%, 100=9.8% lat (msec): 250=61.0%, 500=5.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2646 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=1.7%, 4=16.5%, 8=81.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.0%, 10=0.9%, 20=3.4%, 50=15.6%, 100=5.2% lat (msec): 250=65.3%, 500=7.8%, 750=0.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2647 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=0.5%, 4=15.4%, 8=83.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.0%, 10=1.0%, 20=1.1%, 50=17.4%, 100=7.1% lat (msec): 250=64.9%, 500=7.0%, 750=0.8%, 1000=0.4%, >=2000=0.0% Run status group 0 (all jobs): Disk stats (read/write): sda: ios=3162/2469, merge=502/342, ticks=72416/39840, in_queue=112256, util=98.93% 0.12user 0.30system 0:34.02elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2518minor)pagefaults 0swaps