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] [14.3% done] [ 11635/ 9128 kb/s] [eta 00m:18s] Threads: 3: [mmm] [18.2% done] [ 14792/ 4632 kb/s] [eta 00m:18s] Threads: 3: [mmm] [21.7% done] [ 10784/ 8704 kb/s] [eta 00m:18s] Threads: 3: [mmm] [26.1% done] [ 10912/ 4884 kb/s] [eta 00m:17s] Threads: 3: [mmm] [29.2% done] [ 12496/ 5484 kb/s] [eta 00m:17s] Threads: 3: [mmm] [33.3% done] [ 11112/ 4104 kb/s] [eta 00m:16s] Threads: 3: [mmm] [36.0% done] [ 6124/ 9668 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.0% done] [ 9549/ 5729 kb/s] [eta 00m:15s] Threads: 3: [mmm] [44.0% done] [ 7640/ 7088 kb/s] [eta 00m:14s] Threads: 3: [mmm] [48.0% done] [ 4500/ 9064 kb/s] [eta 00m:13s] Threads: 3: [mmm] [50.0% done] [ 9948/ 2868 kb/s] [eta 00m:13s] Threads: 3: [mmm] [51.9% done] [ 7284/ 5236 kb/s] [eta 00m:13s] Threads: 3: [mmm] [53.6% done] [ 5276/ 4900 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 3936/ 6796 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 4716/ 4736 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 7288/ 0 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7724/ 0 kb/s] [eta 00m:12s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=1629, got signal=6 Threads: 2: [m_m] [62.5% done] [ 6732/ 0 kb/s] [eta 00m:12s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 2: [m_m] [63.6% done] [ 4672/ 3200 kb/s] [eta 00m:12s] fio: pid=1630, got signal=6 fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 1: [m__] [66.7% done] [ 3072/ 3792 kb/s] [eta 00m:11s] fio: pid=1628, got signal=6 fio: (groupid=0): err= 0: pid=1628 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.8%, 2=3.1%, 4=29.4%, 8=66.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.0%, 10=1.6%, 20=2.7%, 50=17.8%, 100=27.4% lat (msec): 250=45.5%, 500=3.5%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1629 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=2.7%, 4=35.3%, 8=61.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.2%, 10=1.3%, 20=3.4%, 50=18.2%, 100=37.0% lat (msec): 250=36.6%, 500=2.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1630 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.5%, 2=2.8%, 4=32.0%, 8=64.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.2%, 10=1.5%, 20=2.0%, 50=17.8%, 100=29.9% lat (msec): 250=44.8%, 500=2.8%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): Disk stats (read/write): sda: ios=3153/2269, merge=553/195, ticks=42288/117108, in_queue=159396, util=98.56% 0.35user 0.43system 0:22.99elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2487minor)pagefaults 0swaps