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] [25.0% done] [ 14782/ 45056 kb/s] [eta 00m:09s] Threads: 3: [mmm] [57.1% done] [ 12898/101651 kb/s] [eta 00m:03s] Threads: 3: [Fmm] [62.5% done] [ 4388/ 27402 kb/s] [eta 00m:03s] Threads: 3: [FFm] [60.0% done] [ 1476/ 1805 kb/s] [eta 00m:04s] Threads: 3: [FFm] [63.6% done] [ 1094/ 0 kb/s] [eta 00m:04s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=23947, got signal=6 Threads: 2: [FF_] [100.0% done] [ 401/ 12081 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_] [70.0% done] [ 9382/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [88.2% done] [ 59625/ 0 kb/s] [eta 00m:02s] Threads: 2: [VV_] [100.0% done] [ 58397/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=23945 read : io=100MiB, bw=6,299KiB/s, runt= 16646msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 318, avg=23.13, stdev=49.87 bw (KiB/s) : min= 0, max=44013, per=118.20%, avg=16263.67, stdev=15264.31 write: io=85,832KiB, bw=6,328KiB/s, runt= 13888msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 161, avg= 0.94, stdev= 7.84 bw (KiB/s) : min= 0, max=60325, per=176.59%, avg=32360.00, stdev=31322.13 cpu : usr=9.97%, sys=4.95%, ctx=10018 IO depths : 1=38.8%, 2=23.7%, 4=26.0%, 8=11.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.9%, 4=14.7%, 10=22.7%, 20=3.4%, 50=1.2%, 100=2.7% lat (msec): 250=4.7%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23946 read : io=100MiB, bw=6,207KiB/s, runt= 16893msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 371, avg=25.91, stdev=53.49 bw (KiB/s) : min= 10, max=38460, per=83.64%, avg=11507.47, stdev=13033.73 write: io=82,504KiB, bw=6,083KiB/s, runt= 13887msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 243, avg= 1.89, stdev=13.38 bw (KiB/s) : min= 0, max=22073, per=80.16%, avg=14688.75, stdev=10200.22 cpu : usr=9.92%, sys=4.59%, ctx=7213 IO depths : 1=8.2%, 2=51.7%, 4=26.7%, 8=13.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.7%, 4=14.6%, 10=21.1%, 20=3.3%, 50=3.1%, 100=3.0% lat (msec): 250=5.3%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23947 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=75.4%, 4=5.9%, 8=18.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=60.8%, 4=13.2%, 10=2.1%, 20=1.3%, 50=6.2%, 100=3.3% lat (msec): 250=10.4%, 500=2.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=222MiB, aggrb=13,759KiB/s, minb=0KiB/s, maxb=6,299KiB/s, mint=0msec, maxt=16893msec WRITE: io=243MiB, aggrb=18,325KiB/s, minb=0KiB/s, maxb=6,328KiB/s, mint=0msec, maxt=16893msec Disk stats (read/write): cciss!c0d0: ios=4579/3365, merge=1063/58719, ticks=42728/1422884, in_queue=1465828, util=95.94% 4.77user 2.06system 0:17.20elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k 558400inputs+497120outputs (0major+2457minor)pagefaults 0swaps