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=32541, got signal=6 Threads: 2: [mF_] [50.0% done] [ 1810/ 23786 kb/s] [eta 00m:03s] Threads: 2: [mF_] [44.4% done] [ 1966/ 0 kb/s] [eta 00m:05s] Threads: 2: [mF_] [45.5% done] [ 1610/ 0 kb/s] [eta 00m:06s] Threads: 2: [mF_] [54.5% done] [ 964/ 10921 kb/s] [eta 00m:05s] Threads: 2: [mF_] [53.8% done] [ 927/ 0 kb/s] [eta 00m:06s] Threads: 2: [mF_] [57.1% done] [ 1004/ 0 kb/s] [eta 00m:06s] Threads: 2: [FF_] [100.0% done] [ 24/ 19609 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_] [75.0% done] [ 36392/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [100.0% done] [ 69318/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 68594/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=32539 read : io=100MiB, bw=7,277KiB/s, runt= 14409msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 425, avg=40.88, stdev=83.65 bw (KiB/s) : min= 1, max=39575, per=59.54%, avg=9596.10, stdev=14311.30 write: io=89,228KiB, bw=7,940KiB/s, runt= 11507msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 323, avg= 2.34, stdev=18.78 bw (KiB/s) : min= 0, max=60770, per=73.38%, avg=17762.50, stdev=28783.00 cpu : usr=13.16%, sys=5.61%, ctx=6131 IO depths : 1=1.6%, 2=61.2%, 4=23.6%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.8%, 4=16.1%, 10=21.8%, 20=4.2%, 50=0.3%, 100=3.2% lat (msec): 250=4.7%, 500=3.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32540 read : io=100MiB, bw=7,324KiB/s, runt= 14316msec clat (msec): min= 0, max= 189, avg=10.80, stdev=26.12 bw (KiB/s) : min= 20, max=44369, per=191.67%, avg=30891.00, stdev=15682.23 write: io=100MiB, bw=9,147KiB/s, runt= 11463msec slat (msec): min= 0, max= 3, avg= 0.00, stdev= 0.08 clat (msec): min= 0, max= 16, avg= 0.64, stdev= 1.45 bw (KiB/s) : min= 0, max=64897, per=194.82%, avg=47159.00, stdev=31484.56 cpu : usr=13.94%, sys=5.62%, ctx=8743 IO depths : 1=34.0%, 2=33.7%, 4=25.7%, 8=6.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.8%, 4=21.1%, 10=21.0%, 20=2.2%, 50=0.4%, 100=0.5% lat (msec): 250=3.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32541 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=78.8%, 4=10.2%, 8=10.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=87.0%, 4=0.1%, 10=0.0%, 20=0.2%, 50=1.8%, 100=10.5% lat (msec): 250=0.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=221MiB, aggrb=16,117KiB/s, minb=0KiB/s, maxb=7,324KiB/s, mint=0msec, maxt=14409msec WRITE: io=266MiB, aggrb=24,206KiB/s, minb=0KiB/s, maxb=9,147KiB/s, mint=0msec, maxt=14409msec Disk stats (read/write): cciss!c0d0: ios=4030/3443, merge=720/64418, ticks=30660/1417784, in_queue=1452840, util=97.83% 4.60user 1.97system 0:14.75elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k 502904inputs+544072outputs (0major+2450minor)pagefaults 0swaps