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 fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5712, got signal=6 Threads: 2: [_mm] [33.3% done] [ 15851/ 96839 kb/s] [eta 00m:06s] Threads: 2: [_mF] [33.3% done] [ 2887/ 3469 kb/s] [eta 00m:08s] Threads: 2: [_mF] [45.5% done] [ 1633/ 16449 kb/s] [eta 00m:06s] Threads: 2: [_mF] [54.5% done] [ 1326/ 10742 kb/s] [eta 00m:05s] Threads: 2: [_FF] [100.0% done] [ 410/ 21944 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5714, got signal=6 Threads: 1: [_V_] [72.2% done] [ 4876/ 0 kb/s] [eta 00m:05s] Threads: 1: [_V_] [100.0% done] [ 57030/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5712 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.1%, 2=88.1%, 4=7.3%, 8=4.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=78.7%, 4=14.5%, 10=1.8%, 20=0.1%, 50=0.2%, 100=1.9% lat (msec): 250=2.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5713 read : io=100MiB, bw=7,323KiB/s, runt= 14318msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 391, avg=28.08, stdev=64.53 bw (KiB/s) : min= 35, max=56855, per=121.16%, avg=11568.07, stdev=18670.17 write: io=72,072KiB, bw=5,709KiB/s, runt= 12927msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 319, avg= 3.65, stdev=23.15 bw (KiB/s) : min= 0, max=15021, per=43.37%, avg=8442.25, stdev=6404.09 cpu : usr=10.73%, sys=6.12%, ctx=5154 IO depths : 1=3.3%, 2=55.5%, 4=25.3%, 8=15.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.9%, 4=18.5%, 10=19.8%, 20=3.9%, 50=1.5%, 100=5.5% lat (msec): 250=3.0%, 500=1.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5714 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=76.8%, 4=10.5%, 8=12.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=79.3%, 4=5.2%, 10=1.5%, 20=0.2%, 50=1.1%, 100=9.5% lat (msec): 250=2.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=130MiB, aggrb=9,548KiB/s, minb=0KiB/s, maxb=7,323KiB/s, mint=0msec, maxt=14318msec WRITE: io=240MiB, aggrb=19,465KiB/s, minb=0KiB/s, maxb=5,709KiB/s, mint=0msec, maxt=14318msec Disk stats (read/write): cciss!c0d0: ios=1725/3498, merge=22012/57935, ticks=54028/1413340, in_queue=1467452, util=97.86% 3.83user 1.94system 0:14.64elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k 327248inputs+491528outputs (0major+2471minor)pagefaults 0swaps