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] [8.8% done] [ 8292/ 8312 kb/s] [eta 00m:31s] Threads: 3: [mmm] [11.4% done] [ 11704/ 4192 kb/s] [eta 00m:31s] Threads: 3: [mmm] [15.2% done] [ 13321/ 2406 kb/s] [eta 00m:28s] Threads: 3: [mmm] [17.6% done] [ 9828/ 4804 kb/s] [eta 00m:28s] Threads: 3: [mmm] [19.4% done] [ 9320/ 3640 kb/s] [eta 00m:29s] Threads: 3: [mmm] [21.6% done] [ 9220/ 4552 kb/s] [eta 00m:29s] Threads: 3: [mmm] [24.3% done] [ 11716/ 328 kb/s] [eta 00m:28s] Threads: 3: [mmm] [26.3% done] [ 5564/ 8324 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.2% done] [ 6728/ 6528 kb/s] [eta 00m:28s] Threads: 3: [mmm] [29.3% done] [ 2640/ 10040 kb/s] [eta 00m:29s] Threads: 3: [mmm] [32.5% done] [ 8016/ 4044 kb/s] [eta 00m:27s] Threads: 3: [mmm] [34.1% done] [ 5293/ 7339 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.6% done] [ 6732/ 4864 kb/s] [eta 00m:26s] Threads: 3: [mmm] [39.0% done] [ 5152/ 4740 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.5% done] [ 6272/ 3260 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.9% done] [ 5620/ 3560 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.3% done] [ 5068/ 3556 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 2480/ 7836 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 4044/ 4144 kb/s] [eta 00m:20s] Threads: 3: [mmm] [55.0% done] [ 6424/ 2952 kb/s] [eta 00m:18s] Threads: 3: [mmm] [56.1% done] [ 4516/ 3684 kb/s] [eta 00m:18s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=631, got signal=6 Threads: 2: [mm_] [57.1% done] [ 6652/ 456 kb/s] [eta 00m:18s] Threads: 2: [mV_] [58.1% done] [ 17396/ 232 kb/s] [eta 00m:18s] Threads: 2: [mV_] [57.8% done] [ 17160/ 192 kb/s] [eta 00m:19s] Threads: 1: [m__] [58.7% done] [ 13576/ 1252 kb/s] [eta 00m:19s] Threads: 1: [m__] [65.1% done] [ 4044/ 5288 kb/s] [eta 00m:15s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=629, got signal=6 fio: (groupid=0): err= 0: pid=629 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.9%, 2=5.2%, 4=38.3%, 8=55.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.5%, 4=0.2%, 10=3.1%, 20=6.1%, 50=26.1%, 100=11.6% lat (msec): 250=35.3%, 500=12.4%, 750=2.6%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=630 read : io=100MiB, bw=3,818KiB/s, runt= 27410msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 2, max= 422, avg=90.39, stdev=64.50 bw (KiB/s) : min= 4, max=17724, per=54.31%, avg=4357.69, stdev=4983.13 write: io=46,240KiB, bw=1,919KiB/s, runt= 24672msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 518, avg=114.62, stdev=85.74 bw (KiB/s) : min= 0, max= 7801, per=52.51%, avg=3017.05, stdev=2626.77 cpu : usr=0.34%, sys=0.41%, ctx=6011 IO depths : 1=0.3%, 2=1.7%, 4=34.3%, 8=63.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=1.7%, 20=6.0%, 50=27.9%, 100=20.6% lat (msec): 250=40.6%, 500=2.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=631 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=2.4%, 4=31.2%, 8=65.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.9%, 10=0.4%, 20=2.8%, 50=13.5%, 100=24.3% lat (msec): 250=53.9%, 500=3.7%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=210MiB, aggrb=8,023KiB/s, minb=0KiB/s, maxb=3,818KiB/s, mint=0msec, maxt=27410msec WRITE: io=135MiB, aggrb=5,746KiB/s, minb=0KiB/s, maxb=1,919KiB/s, mint=0msec, maxt=27410msec Disk stats (read/write): sda: ios=3740/2664, merge=538/224, ticks=58352/72260, in_queue=130604, util=99.01% 0.31user 0.45system 0:29.51elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2498minor)pagefaults 0swaps