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: [Fmm] [50.0% done] [ 7696/ 33452 kb/s] [eta 00m:03s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=25814, got signal=6 Threads: 2: [F_m] [44.4% done] [ 1281/ 0 kb/s] [eta 00m:05s] Threads: 2: [F_m] [45.5% done] [ 940/ 0 kb/s] [eta 00m:06s] Threads: 2: [F_m] [60.0% done] [ 1300/ 15768 kb/s] [eta 00m:04s] Threads: 2: [F_F] [100.0% done] [ 0/ 16992 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: [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: [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] [68.0% done] [ 5860/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [78.3% done] [ 25640/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [86.4% done] [ 27839/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [100.0% done] [ 34436/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 34556/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 30280/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=25813 read : io=100MiB, bw=4,499KiB/s, runt= 23302msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 375, avg=36.89, stdev=60.65 bw (KiB/s) : min= 5, max=24487, per=131.91%, avg=12325.67, stdev=6613.35 write: io=90,652KiB, bw=5,469KiB/s, runt= 16972msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 203, avg= 0.62, stdev= 8.29 bw (KiB/s) : min= 0, max=137920, per=417.33%, avg=68960.00, stdev=97524.17 cpu : usr=3.09%, sys=1.70%, ctx=7618 IO depths : 1=1.1%, 2=54.6%, 4=30.7%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.7%, 4=0.2%, 10=18.5%, 20=15.9%, 50=5.8%, 100=2.3% lat (msec): 250=6.3%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25814 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=83.0%, 4=5.6%, 8=11.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=82.0%, 4=2.5%, 10=0.2%, 20=1.7%, 50=5.1%, 100=4.5% lat (msec): 250=2.7%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25815 read : io=100MiB, bw=4,520KiB/s, runt= 23190msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 711, avg=52.76, stdev=97.24 bw (KiB/s) : min= 8, max=25494, per=84.80%, avg=7923.61, stdev=7725.27 write: io=88,776KiB, bw=5,356KiB/s, runt= 16972msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 281, avg= 1.08, stdev=12.73 bw (KiB/s) : min= 0, max=114573, per=231.18%, avg=38200.00, stdev=66140.96 cpu : usr=3.19%, sys=2.07%, ctx=7645 IO depths : 1=1.0%, 2=51.5%, 4=30.1%, 8=17.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.5%, 4=1.3%, 10=15.1%, 20=18.8%, 50=5.0%, 100=3.3% lat (msec): 250=7.2%, 500=1.9%, 750=0.6%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=208MiB, aggrb=9,344KiB/s, minb=0KiB/s, maxb=4,520KiB/s, mint=23190msec, maxt=23302msec WRITE: io=267MiB, aggrb=16,524KiB/s, minb=0KiB/s, maxb=5,469KiB/s, mint=23190msec, maxt=23302msec Disk stats (read/write): sda: ios=2576/2813, merge=957/65589, ticks=41392/2072416, in_queue=2113812, util=98.66% 2.30user 1.15system 0:23.68elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2487minor)pagefaults 0swaps