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] [10.7% done] [ 13840/ 5248 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.3% done] [ 15836/ 2044 kb/s] [eta 00m:24s] Threads: 3: [mmm] [18.5% done] [ 8424/ 10224 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 15028/ 3020 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.0% done] [ 3532/ 16872 kb/s] [eta 00m:21s] Threads: 3: [mmm] [28.6% done] [ 11608/ 3640 kb/s] [eta 00m:20s] Threads: 3: [mmm] [32.1% done] [ 12636/ 3760 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 5336/ 11564 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 7620/ 7268 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 8372/ 5556 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 8064/ 5100 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 8912/ 2272 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 7592/ 2140 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 5920/ 5724 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 4332/ 5460 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 3840/ 5976 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 2880/ 4916 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.6% done] [ 4376/ 3360 kb/s] [eta 00m:13s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32637, got signal=6 fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32636, got signal=6 Threads: 1: [m__] [63.6% done] [ 4388/ 3096 kb/s] [eta 00m:12s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32635, got signal=6 fio: (groupid=0): err= 0: pid=32635 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=2.3%, 4=34.1%, 8=62.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.3%, 10=1.2%, 20=5.1%, 50=22.3%, 100=25.8% lat (msec): 250=39.3%, 500=4.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32636 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=1.4%, 4=25.4%, 8=73.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.2%, 10=0.3%, 20=1.8%, 50=14.1%, 100=38.7% lat (msec): 250=42.3%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32637 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.5%, 2=3.0%, 4=33.8%, 8=62.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.0%, 10=1.9%, 20=5.8%, 50=14.7%, 100=27.5% lat (msec): 250=48.0%, 500=1.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): Disk stats (read/write): sda: ios=3170/2253, merge=504/244, ticks=46120/72324, in_queue=118444, util=99.07% 0.24user 0.41system 0:22.82elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2473minor)pagefaults 0swaps