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] [9.7% done] [ 13675/ 2277 kb/s] [eta 00m:28s] Threads: 3: [mmm] [11.1% done] [ 4486/ 38283 kb/s] [eta 00m:32s] Threads: 3: [mmm] [11.4% done] [ 1714/ 0 kb/s] [eta 00m:39s] Threads: 3: [mmm] [11.8% done] [ 1781/ 117 kb/s] [eta 00m:45s] Threads: 3: [mmm] [13.2% done] [ 6074/ 117 kb/s] [eta 00m:46s] Threads: 3: [mmm] [14.8% done] [ 6627/ 0 kb/s] [eta 00m:46s] Threads: 3: [mmm] [23.1% done] [ 12841/ 39125 kb/s] [eta 00m:30s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=17747, got signal=6 Threads: 2: [m_m] [55.6% done] [ 8829/ 60485 kb/s] [eta 00m:08s] Threads: 2: [m_m] [57.9% done] [ 11910/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [66.7% done] [ 6341/ 11816 kb/s] [eta 00m:06s] Threads: 2: [m_F] [65.0% done] [ 61/ 0 kb/s] [eta 00m:07s] Threads: 2: [m_F] [66.7% done] [ 97/ 0 kb/s] [eta 00m:07s] Threads: 2: [m_F] [65.2% done] [ 166/ 36 kb/s] [eta 00m:08s] Threads: 2: [F_V] [66.7% done] [ 178/ 3668 kb/s] [eta 00m:08s] Threads: 2: [V_V] [73.9% done] [ 18277/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [81.8% done] [ 19926/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [86.4% done] [ 15688/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [90.9% done] [ 18781/ 0 kb/s] [eta 00m:02s] Threads: 2: [V_V] [100.0% done] [ 20947/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 22977/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=17746 read : io=100MiB, bw=4,612KiB/s, runt= 22733msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 2567, avg=98.16, stdev=207.40 bw (KiB/s) : min= 5, max=14981, per=47.92%, avg=4747.62, stdev=4181.69 write: io=62,756KiB, bw=3,960KiB/s, runt= 16227msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1979, avg=11.25, stdev=106.28 bw (KiB/s) : min= 0, max=11226, per=31.88%, avg=4273.33, stdev=5258.67 cpu : usr=4.54%, sys=2.90%, ctx=9646 IO depths : 1=28.8%, 2=6.6%, 4=27.5%, 8=37.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=30.7%, 4=3.4%, 10=7.2%, 20=7.8%, 50=22.0%, 100=11.9% lat (msec): 250=12.7%, 500=2.3%, 750=0.2%, 1000=0.8%, >=2000=0.8% fio: (groupid=0): err= 0: pid=17747 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=77.8%, 2=5.0%, 4=3.5%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=81.0%, 4=1.0%, 10=0.3%, 20=0.9%, 50=3.2%, 100=2.4% lat (msec): 250=8.1%, 500=0.9%, 750=0.2%, 1000=1.1%, >=2000=0.4% fio: (groupid=0): err= 0: pid=17748 read : io=100MiB, bw=4,638KiB/s, runt= 22604msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1831, avg=79.03, stdev=158.57 bw (KiB/s) : min= 17, max=15113, per=62.30%, avg=6172.44, stdev=4254.21 write: io=62,516KiB, bw=4,015KiB/s, runt= 15943msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.05 clat (msec): min= 0, max= 90, avg= 0.34, stdev= 4.15 bw (KiB/s) : min= 0, max=57057, per=171.59%, avg=23003.00, stdev=30091.01 cpu : usr=5.13%, sys=2.74%, ctx=11638 IO depths : 1=41.6%, 2=3.7%, 4=27.3%, 8=27.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=42.8%, 4=1.4%, 10=4.9%, 20=11.4%, 50=19.5%, 100=4.8% lat (msec): 250=12.4%, 500=1.6%, 750=0.1%, 1000=0.2%, >=2000=0.7% Run status group 0 (all jobs): READ: io=215MiB, aggrb=9,908KiB/s, minb=0KiB/s, maxb=4,638KiB/s, mint=22604msec, maxt=22733msec WRITE: io=207MiB, aggrb=13,406KiB/s, minb=0KiB/s, maxb=4,015KiB/s, mint=22604msec, maxt=22733msec Disk stats (read/write): cciss!c0d0: ios=5034/3378, merge=60/49772, ticks=97544/1202032, in_queue=1299560, util=97.84% 3.62user 1.75system 0:23.07elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k 582968inputs+424936outputs (0major+2467minor)pagefaults 0swaps