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] [9.1% done] [ 10908/ 5308 kb/s] [eta 00m:30s] Threads: 3: [mmm] [12.9% done] [ 11076/ 5172 kb/s] [eta 00m:27s] Threads: 3: [mmm] [16.1% done] [ 12476/ 3348 kb/s] [eta 00m:26s] Threads: 3: [mmm] [17.1% done] [ 7808/ 5052 kb/s] [eta 00m:29s] Threads: 3: [mmm] [20.0% done] [ 8572/ 6972 kb/s] [eta 00m:28s] Threads: 3: [mmm] [22.2% done] [ 6492/ 4604 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.0% done] [ 12212/ 1456 kb/s] [eta 00m:27s] Threads: 3: [mmm] [28.6% done] [ 9820/ 4376 kb/s] [eta 00m:25s] Threads: 3: [mmm] [31.4% done] [ 7204/ 6684 kb/s] [eta 00m:24s] Threads: 3: [mmm] [33.3% done] [ 11664/ 876 kb/s] [eta 00m:24s] Threads: 3: [mmm] [36.1% done] [ 8544/ 3780 kb/s] [eta 00m:23s] Threads: 3: [mmm] [38.9% done] [ 8792/ 1540 kb/s] [eta 00m:22s] Threads: 3: [mmm] [40.5% done] [ 5844/ 5724 kb/s] [eta 00m:22s] Threads: 3: [mmm] [43.2% done] [ 6520/ 4540 kb/s] [eta 00m:21s] Threads: 3: [mmm] [43.6% done] [ 4344/ 6644 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.2% done] [ 3484/ 6700 kb/s] [eta 00m:21s] Threads: 3: [mmm] [47.5% done] [ 3376/ 4472 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.8% done] [ 3964/ 5500 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.5% done] [ 5364/ 3120 kb/s] [eta 00m:19s] Threads: 3: [mmm] [53.7% done] [ 5188/ 3092 kb/s] [eta 00m:19s] Threads: 3: [mmm] [53.5% done] [ 5792/ 200 kb/s] [eta 00m:20s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32184, got signal=6 Threads: 2: [m_m] [55.8% done] [ 5964/ 120 kb/s] [eta 00m:19s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32185, got signal=6 Threads: 1: [m__] [61.0% done] [ 3516/ 5100 kb/s] [eta 00m:16s] Threads: 1: [m__] [65.0% done] [ 3903/ 3811 kb/s] [eta 00m:14s] Threads: 1: [V__] [73.0% done] [ 12152/ 0 kb/s] [eta 00m:10s] Threads: 1: [V__] [84.8% done] [ 18860/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=32183 read : io=100MiB, bw=3,567KiB/s, runt= 29274msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 818, avg=92.21, stdev=97.15 bw (KiB/s) : min= 80, max=19849, per=49.32%, avg=4063.57, stdev=4586.72 write: io=37,628KiB, bw=1,426KiB/s, runt= 27017msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 825, avg=116.09, stdev=136.88 bw (KiB/s) : min= 0, max= 9659, per=53.04%, avg=2184.54, stdev=2400.41 cpu : usr=0.20%, sys=0.37%, ctx=8434 IO depths : 1=0.4%, 2=2.8%, 4=39.2%, 8=57.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.4%, 10=4.6%, 20=13.7%, 50=33.4%, 100=10.5% lat (msec): 250=27.1%, 500=8.7%, 750=0.5%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32184 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=1.8%, 4=26.7%, 8=71.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=0.5%, 20=2.7%, 50=14.6%, 100=28.8% lat (msec): 250=49.0%, 500=3.5%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32185 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=1.4%, 4=22.5%, 8=75.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=0.6%, 20=1.8%, 50=10.1%, 100=28.3% lat (msec): 250=53.4%, 500=4.5%, 750=0.5%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=230MiB, aggrb=8,240KiB/s, minb=0KiB/s, maxb=3,567KiB/s, mint=0msec, maxt=29274msec WRITE: io=106MiB, aggrb=4,119KiB/s, minb=0KiB/s, maxb=1,426KiB/s, mint=0msec, maxt=29274msec Disk stats (read/write): sda: ios=4281/2207, merge=778/166, ticks=64080/73508, in_queue=137588, util=98.78% 0.25user 0.41system 0:29.68elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2479minor)pagefaults 0swaps