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] [7.5% done] [ 10564/ 2816 kb/s] [eta 00m:37s] Threads: 3: [mmm] [10.0% done] [ 7343/ 6326 kb/s] [eta 00m:36s] Threads: 3: [mmm] [12.8% done] [ 10856/ 2064 kb/s] [eta 00m:34s] Threads: 3: [mmm] [15.8% done] [ 9040/ 3804 kb/s] [eta 00m:32s] Threads: 3: [mmm] [17.9% done] [ 9852/ 1712 kb/s] [eta 00m:32s] Threads: 3: [mmm] [21.1% done] [ 4112/ 6432 kb/s] [eta 00m:30s] Threads: 3: [mmm] [23.7% done] [ 11452/ 484 kb/s] [eta 00m:29s] Threads: 3: [mmm] [25.6% done] [ 7640/ 2940 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 4092/ 7076 kb/s] [eta 00m:28s] Threads: 3: [mmm] [31.6% done] [ 5648/ 4184 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 9800/ 1876 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 4224/ 5976 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 6536/ 3884 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.0% done] [ 7042/ 2570 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.5% done] [ 7656/ 580 kb/s] [eta 00m:24s] Threads: 3: [mmm] [43.9% done] [ 4452/ 4400 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 2608/ 6224 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.6% done] [ 5276/ 2016 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 6172/ 1740 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.2% done] [ 3880/ 4244 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 2588/ 5436 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.5% done] [ 3473/ 3971 kb/s] [eta 00m:20s] Threads: 3: [mmm] [55.6% done] [ 4560/ 2913 kb/s] [eta 00m:20s] Threads: 3: [mmm] [56.5% done] [ 2404/ 4160 kb/s] [eta 00m:20s] Threads: 3: [mmm] [56.2% done] [ 4457/ 3498 kb/s] [eta 00m:21s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=12187, got signal=6 Threads: 2: [_mm] [57.1% done] [ 473/ 5816 kb/s] [eta 00m:21s] Threads: 2: [_mm] [58.0% done] [ 7159/ 0 kb/s] [eta 00m:21s] Threads: 2: [_Vm] [58.8% done] [ 3876/ 4059 kb/s] [eta 00m:21s] Threads: 2: [_Vm] [58.5% done] [ 14246/ 509 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [59.3% done] [ 12170/ 199 kb/s] [eta 00m:22s] Threads: 1: [__m] [61.1% done] [ 11507/ 0 kb/s] [eta 00m:21s] Threads: 1: [__m] [66.7% done] [ 6968/ 0 kb/s] [eta 00m:17s] Threads: 1: [__V] [74.5% done] [ 12052/ 0 kb/s] [eta 00m:12s] Threads: 1: [__V] [85.7% done] [ 17066/ 0 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=12187 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=1.9%, 4=17.2%, 8=80.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.4%, 10=1.3%, 20=4.0%, 50=15.8%, 100=11.0% lat (msec): 250=62.7%, 500=2.9%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12188 read : io=100MiB, bw=3,151KiB/s, runt= 33137msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 588, avg=118.65, stdev=100.09 bw (KiB/s) : min= 3, max=14669, per=50.42%, avg=3687.44, stdev=3347.66 write: io=33,564KiB, bw=1,124KiB/s, runt= 30577msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 1, max= 584, avg=133.58, stdev=90.30 bw (KiB/s) : min= 0, max= 5683, per=64.41%, avg=2056.45, stdev=1924.71 cpu : usr=0.06%, sys=0.23%, ctx=10051 IO depths : 1=0.3%, 2=1.2%, 4=19.8%, 8=78.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.4%, 10=1.3%, 20=7.6%, 50=30.7%, 100=6.5% lat (msec): 250=44.8%, 500=7.7%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12189 read : io=99MiB, bw=2,804KiB/s, runt= 37145msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 3, max= 911, avg=120.92, stdev=134.88 bw (KiB/s) : min= 25, max=19177, per=44.42%, avg=3248.76, stdev=3908.01 write: io=34,524KiB, bw=1,012KiB/s, runt= 34901msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 7, max= 830, avg=173.72, stdev=79.88 bw (KiB/s) : min= 0, max= 5724, per=58.04%, avg=1853.15, stdev=1713.46 cpu : usr=0.01%, sys=0.19%, ctx=11255 IO depths : 1=0.1%, 2=0.5%, 4=17.4%, 8=82.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.1%, 10=0.6%, 20=5.9%, 50=33.1%, 100=5.3% lat (msec): 250=46.4%, 500=6.0%, 750=1.1%, 1000=0.9%, >=2000=0.0% Run status group 0 (all jobs): READ: io=259MiB, aggrb=7,313KiB/s, minb=0KiB/s, maxb=3,151KiB/s, mint=33137msec, maxt=37145msec WRITE: io=106MiB, aggrb=3,193KiB/s, minb=0KiB/s, maxb=1,124KiB/s, mint=33137msec, maxt=37145msec Disk stats (read/write): sda: ios=4612/2125, merge=894/389, ticks=85676/37128, in_queue=122804, util=99.00% 0.10user 0.42system 0:37.62elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2495minor)pagefaults 0swaps