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] [9.4% done] [ 13464/ 3568 kb/s] [eta 00m:29s] Threads: 3: [mmm] [12.5% done] [ 11832/ 4796 kb/s] [eta 00m:28s] Threads: 3: [mmm] [15.6% done] [ 10891/ 5213 kb/s] [eta 00m:27s] Threads: 3: [mmm] [18.2% done] [ 7131/ 4445 kb/s] [eta 00m:27s] Threads: 3: [mmm] [20.0% done] [ 5566/ 10114 kb/s] [eta 00m:28s] Threads: 3: [mmm] [22.2% done] [ 7923/ 3551 kb/s] [eta 00m:28s] Threads: 3: [mmm] [26.5% done] [ 10105/ 3864 kb/s] [eta 00m:25s] Threads: 3: [mmm] [28.6% done] [ 9069/ 5067 kb/s] [eta 00m:25s] Threads: 3: [mmm] [29.7% done] [ 2393/ 10723 kb/s] [eta 00m:26s] Threads: 3: [mmm] [31.6% done] [ 5254/ 6956 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 10743/ 426 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 5485/ 6168 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 3947/ 7106 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.0% done] [ 7564/ 3224 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.5% done] [ 7332/ 2652 kb/s] [eta 00m:24s] Threads: 3: [mmm] [43.9% done] [ 5148/ 4604 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.3% done] [ 712/ 9732 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 3372/ 4424 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 5192/ 3220 kb/s] [eta 00m:22s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 3: [mmm] [51.2% done] [ 2304/ 6540 kb/s] [eta 00m:21s] fio: pid=31647, got signal=6 Threads: 2: [mm_] [54.8% done] [ 1660/ 6992 kb/s] [eta 00m:19s] Threads: 2: [mm_] [55.8% done] [ 772/ 7404 kb/s] [eta 00m:19s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=31646, got signal=6 Threads: 1: [m__] [62.5% done] [ 4988/ 4084 kb/s] [eta 00m:15s] Threads: 1: [m__] [66.7% done] [ 6144/ 1420 kb/s] [eta 00m:13s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=31645, got signal=6 fio: (groupid=0): err= 0: pid=31645 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=2.7%, 4=36.9%, 8=59.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.0%, 10=2.1%, 20=4.3%, 50=34.7%, 100=11.0% lat (msec): 250=32.3%, 500=13.5%, 750=1.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31646 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=3.7%, 4=34.8%, 8=61.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=0.0%, 10=1.3%, 20=4.6%, 50=16.2%, 100=20.2% lat (msec): 250=51.9%, 500=4.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31647 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=2.5%, 4=37.3%, 8=60.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=1.6%, 20=4.5%, 50=16.6%, 100=24.9% lat (msec): 250=49.0%, 500=2.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): Disk stats (read/write): sda: ios=2925/2818, merge=407/202, ticks=53468/89740, in_queue=143204, util=98.74% 0.23user 0.42system 0:27.03elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2507minor)pagefaults 0swaps