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=12887, got signal=6 Threads: 2: [mm_] [42.9% done] [ 8130/115460 kb/s] [eta 00m:04s] Threads: 2: [mF_] [44.4% done] [ 4786/ 12576 kb/s] [eta 00m:05s] Threads: 2: [mF_] [55.6% done] [ 1952/ 18755 kb/s] [eta 00m:04s] Threads: 2: [mF_] [66.7% done] [ 1224/ 10608 kb/s] [eta 00m:03s] Threads: 2: [mF_] [70.0% done] [ 650/ 2509 kb/s] [eta 00m:03s] Threads: 2: [FF_] [100.0% done] [ 2664/ 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_] [77.8% done] [ 43028/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [100.0% done] [ 62309/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 56994/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12885 read : io=100MiB, bw=6,407KiB/s, runt= 16320msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 411, avg=43.85, stdev=71.09 bw (KiB/s) : min= 21, max=42418, per=64.02%, avg=8702.90, stdev=11101.12 write: io=74,404KiB, bw=5,718KiB/s, runt= 13323msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 274, avg= 2.96, stdev=19.02 bw (KiB/s) : min= 0, max=21208, per=56.42%, avg=11139.25, stdev=8680.77 cpu : usr=9.71%, sys=4.53%, ctx=6988 IO depths : 1=8.7%, 2=43.4%, 4=26.5%, 8=21.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=41.0%, 4=12.2%, 10=18.2%, 20=7.6%, 50=5.4%, 100=5.2% lat (msec): 250=8.9%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12886 read : io=100MiB, bw=6,482KiB/s, runt= 16173msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 219, avg=19.91, stdev=38.69 bw (KiB/s) : min= 3, max=44819, per=136.55%, avg=18563.70, stdev=17177.88 write: io=92,336KiB, bw=7,096KiB/s, runt= 13323msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 152, avg= 0.98, stdev= 6.36 bw (KiB/s) : min= 0, max=61513, per=183.18%, avg=36166.00, stdev=29918.35 cpu : usr=11.97%, sys=5.12%, ctx=6927 IO depths : 1=10.2%, 2=53.9%, 4=25.2%, 8=10.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.2%, 4=17.1%, 10=23.3%, 20=3.5%, 50=1.3%, 100=2.3% lat (msec): 250=5.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12887 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=76.2%, 2=15.0%, 4=1.5%, 8=7.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=82.6%, 4=7.4%, 10=1.1%, 20=0.6%, 50=0.8%, 100=4.3% lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=13,595KiB/s, minb=0KiB/s, maxb=6,482KiB/s, mint=0msec, maxt=16320msec WRITE: io=251MiB, aggrb=19,743KiB/s, minb=0KiB/s, maxb=7,096KiB/s, mint=0msec, maxt=16320msec Disk stats (read/write): cciss!c0d0: ios=4314/3476, merge=1009/60624, ticks=34884/1429932, in_queue=1497624, util=96.11% 4.46user 1.85system 0:16.60elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k 523840inputs+513776outputs (0major+2449minor)pagefaults 0swaps