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] [6.2% done] [ 744/ 0 kb/s] [eta 00m:45s] Threads: 3: [mmm] [6.7% done] [ 676/ 72 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 804/ 312 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1340/ 396 kb/s] [eta 00m:54s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=4090, got signal=6 Threads: 2: [m_m] [25.0% done] [ 10009/ 79285 kb/s] [eta 00m:21s] Threads: 2: [m_m] [27.6% done] [ 4800/ 20624 kb/s] [eta 00m:21s] Threads: 2: [m_m] [28.1% done] [ 376/ 0 kb/s] [eta 00m:23s] Threads: 2: [m_m] [27.8% done] [ 368/ 0 kb/s] [eta 00m:26s] Threads: 2: [m_m] [28.2% done] [ 164/ 0 kb/s] [eta 00m:28s] Threads: 2: [m_m] [27.9% done] [ 192/ 276 kb/s] [eta 00m:31s] Threads: 2: [m_m] [27.7% done] [ 192/ 0 kb/s] [eta 00m:34s] Threads: 2: [m_m] [29.2% done] [ 2560/ 14048 kb/s] [eta 00m:34s] Threads: 2: [m_F] [42.9% done] [ 7056/ 19524 kb/s] [eta 00m:20s] Threads: 2: [F_F] [100.0% done] [ 0/ 37628 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [69.0% done] [ 18420/ 0 kb/s] [eta 00m:09s] Threads: 2: [V_V] [75.0% done] [ 23836/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [84.6% done] [ 29208/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [95.8% done] [ 32112/ 0 kb/s] [eta 00m:01s] Threads: 2: [V_V] [100.0% done] [ 28452/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=4089 read : io=100MiB, bw=4,087KiB/s, runt= 25649msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 5998, avg=79.04, stdev=352.56 bw (KiB/s) : min= 4, max=32182, per=74.79%, avg=6283.16, stdev=8122.17 write: io=81,820KiB, bw=4,264KiB/s, runt= 19648msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 5919, avg=23.03, stdev=305.07 bw (KiB/s) : min= 0, max= 5222, per=10.13%, avg=1355.75, stdev=2578.46 cpu : usr=2.51%, sys=1.65%, ctx=5535 IO depths : 1=1.5%, 2=51.9%, 4=30.9%, 8=15.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.5%, 4=0.4%, 10=19.1%, 20=13.8%, 50=7.3%, 100=2.0% lat (msec): 250=7.8%, 500=1.6%, 750=0.4%, 1000=0.0%, >=2000=0.2% fio: (groupid=0): err= 0: pid=4090 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=91.5%, 4=2.3%, 8=6.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=91.9%, 4=0.6%, 10=0.1%, 20=0.1%, 50=0.4%, 100=0.9% lat (msec): 250=4.0%, 500=0.1%, 750=0.2%, 1000=0.4%, >=2000=0.8% fio: (groupid=0): err= 0: pid=4091 read : io=100MiB, bw=4,185KiB/s, runt= 24941msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3255, avg=85.33, stdev=271.90 bw (KiB/s) : min= 7, max=28875, per=69.49%, avg=5837.79, stdev=7195.54 write: io=78,852KiB, bw=4,112KiB/s, runt= 19632msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3079, avg=21.19, stdev=200.45 bw (KiB/s) : min= 0, max=29532, per=57.78%, avg=7735.40, stdev=12754.11 cpu : usr=2.60%, sys=1.80%, ctx=5315 IO depths : 1=0.8%, 2=44.3%, 4=33.4%, 8=21.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=40.8%, 4=1.1%, 10=8.9%, 20=15.3%, 50=18.5%, 100=2.8% lat (msec): 250=9.4%, 500=1.0%, 750=0.1%, 1000=0.3%, >=2000=0.9% Run status group 0 (all jobs): READ: io=206MiB, aggrb=8,401KiB/s, minb=0KiB/s, maxb=4,185KiB/s, mint=24941msec, maxt=25649msec WRITE: io=251MiB, aggrb=13,387KiB/s, minb=0KiB/s, maxb=4,264KiB/s, mint=24941msec, maxt=25649msec Disk stats (read/write): sda: ios=2974/3797, merge=784/59963, ticks=61992/1968392, in_queue=2037372, util=98.92% 2.14user 1.18system 0:25.95elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2488minor)pagefaults 0swaps