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=31543, got signal=6 Threads: 2: [_mm] [10.7% done] [ 10914/ 94500 kb/s] [eta 00m:25s] Threads: 2: [_mm] [15.4% done] [ 10609/ 0 kb/s] [eta 00m:22s] Threads: 2: [_mm] [19.2% done] [ 9888/ 0 kb/s] [eta 00m:21s] Threads: 2: [_mm] [54.5% done] [ 4144/ 54434 kb/s] [eta 00m:05s] Threads: 2: [_Fm] [58.3% done] [ 5798/ 18245 kb/s] [eta 00m:05s] Threads: 2: [_Fm] [61.5% done] [ 1369/ 0 kb/s] [eta 00m:05s] Threads: 2: [_FF] [100.0% done] [ 353/ 12982 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] 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: [_VV] [67.9% done] [ 0/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [69.0% done] [ 14197/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [77.8% done] [ 25601/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [81.5% done] [ 21524/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [92.0% done] [ 29400/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [100.0% done] [ 27012/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 26079/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=31543 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=92.5%, 4=2.7%, 8=4.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=94.1%, 4=0.6%, 10=0.1%, 20=0.1%, 50=0.4%, 100=0.4% lat (msec): 250=2.2%, 500=2.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31544 read : io=100MiB, bw=4,208KiB/s, runt= 24914msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 474, avg=57.53, stdev=67.45 bw (KiB/s) : min= 7, max=21154, per=90.34%, avg=7755.08, stdev=6741.04 write: io=81,512KiB, bw=4,346KiB/s, runt= 19204msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 155, avg= 0.72, stdev= 7.58 bw (KiB/s) : min= 0, max= 9558, per=37.23%, avg=4779.00, stdev=6758.53 cpu : usr=2.58%, sys=1.62%, ctx=8522 IO depths : 1=0.7%, 2=44.8%, 4=25.7%, 8=28.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=42.7%, 4=1.6%, 10=6.8%, 20=19.7%, 50=7.4%, 100=7.8% lat (msec): 250=12.7%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31545 read : io=100MiB, bw=4,105KiB/s, runt= 25542msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 583, avg=69.26, stdev=85.36 bw (KiB/s) : min= 10, max=24731, per=80.46%, avg=6906.90, stdev=5677.11 write: io=66,364KiB, bw=3,536KiB/s, runt= 19216msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 219, avg= 1.17, stdev=12.03 bw (KiB/s) : min= 0, max=16618, per=64.73%, avg=8309.00, stdev=11750.70 cpu : usr=2.10%, sys=1.28%, ctx=8678 IO depths : 1=0.6%, 2=43.8%, 4=25.6%, 8=30.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=42.2%, 4=1.7%, 10=5.1%, 20=18.7%, 50=9.3%, 100=6.7% lat (msec): 250=13.3%, 500=2.6%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=209MiB, aggrb=8,584KiB/s, minb=0KiB/s, maxb=4,208KiB/s, mint=24914msec, maxt=25542msec WRITE: io=235MiB, aggrb=12,837KiB/s, minb=0KiB/s, maxb=4,346KiB/s, mint=24914msec, maxt=25542msec Disk stats (read/write): sda: ios=3324/2875, merge=826/57068, ticks=50652/2610552, in_queue=2670868, util=99.23% 1.94user 0.96system 0:25.80elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2485minor)pagefaults 0swaps