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] [23.1% done] [ 7237/ 72066 kb/s] [eta 00m:10s] Threads: 3: [mmF] [30.8% done] [ 3847/ 35668 kb/s] [eta 00m:09s] Threads: 3: [mmF] [33.3% done] [ 7394/ 0 kb/s] [eta 00m:10s] Threads: 3: [mmF] [37.5% done] [ 2474/ 43532 kb/s] [eta 00m:10s] Threads: 3: [FmF] [50.0% done] [ 1580/ 24734 kb/s] [eta 00m:07s] Threads: 3: [FmF] [61.5% done] [ 2247/ 11918 kb/s] [eta 00m:05s] Threads: 3: [FmF] [64.3% done] [ 1923/ 7899 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 617/ 3831 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [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=27065, got signal=6 Threads: 2: [VV_] [73.7% done] [ 16806/ 0 kb/s] [eta 00m:05s] Threads: 2: [VV_] [88.2% done] [ 56340/ 0 kb/s] [eta 00m:02s] Threads: 2: [VV_] [100.0% done] [ 55767/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=27063 read : io=100MiB, bw=6,284KiB/s, runt= 16682msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 348, avg=30.98, stdev=62.47 bw (KiB/s) : min= 0, max=36184, per=87.74%, avg=11504.19, stdev=12663.43 write: io=82,536KiB, bw=6,163KiB/s, runt= 13712msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 320, avg= 2.86, stdev=18.24 bw (KiB/s) : min= 0, max=59731, per=106.99%, avg=20037.75, stdev=27082.82 cpu : usr=10.36%, sys=5.28%, ctx=6335 IO depths : 1=1.7%, 2=58.0%, 4=27.7%, 8=12.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.6%, 4=17.5%, 10=22.8%, 20=3.9%, 50=1.9%, 100=2.4% lat (msec): 250=6.4%, 500=1.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27064 read : io=100MiB, bw=6,251KiB/s, runt= 16773msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 417, avg=51.42, stdev=84.88 bw (KiB/s) : min= 16, max=31236, per=53.89%, avg=7065.20, stdev=9387.55 write: io=75,856KiB, bw=5,666KiB/s, runt= 13708msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 233, avg= 4.81, stdev=20.30 bw (KiB/s) : min= 0, max=13109, per=41.40%, avg=7753.00, stdev=5119.60 cpu : usr=7.92%, sys=4.72%, ctx=5934 IO depths : 1=3.5%, 2=42.7%, 4=33.7%, 8=20.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=31.7%, 4=13.9%, 10=28.0%, 20=8.6%, 50=1.7%, 100=2.3% lat (msec): 250=11.2%, 500=2.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27065 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.5%, 2=89.2%, 4=5.0%, 8=5.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=76.7%, 4=14.0%, 10=2.5%, 20=0.5%, 50=0.4%, 100=0.8% lat (msec): 250=4.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=210MiB, aggrb=13,111KiB/s, minb=0KiB/s, maxb=6,284KiB/s, mint=0msec, maxt=16773msec WRITE: io=245MiB, aggrb=18,729KiB/s, minb=0KiB/s, maxb=6,163KiB/s, mint=0msec, maxt=16773msec Disk stats (read/write): cciss!c0d0: ios=4456/3512, merge=926/59133, ticks=49516/1693968, in_queue=1744132, util=98.04% 4.63user 2.32system 0:17.07elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k 547488inputs+501632outputs (0major+2459minor)pagefaults 0swaps