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] [8.3% done] [ 12120/ 5052 kb/s] [eta 00m:33s] Threads: 3: [mmm] [11.8% done] [ 10840/ 5684 kb/s] [eta 00m:30s] Threads: 3: [mmm] [15.2% done] [ 9980/ 5532 kb/s] [eta 00m:28s] Threads: 3: [mmm] [18.2% done] [ 3688/ 11848 kb/s] [eta 00m:27s] Threads: 3: [mmm] [18.9% done] [ 6284/ 7048 kb/s] [eta 00m:30s] Threads: 3: [mmm] [21.1% done] [ 13168/ 0 kb/s] [eta 00m:30s] Threads: 3: [mmm] [23.7% done] [ 10252/ 3048 kb/s] [eta 00m:29s] Threads: 3: [mmm] [26.3% done] [ 4044/ 8608 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.9% done] [ 7008/ 5448 kb/s] [eta 00m:27s] Threads: 3: [mmm] [31.6% done] [ 3884/ 8572 kb/s] [eta 00m:26s] Threads: 3: [mmm] [34.2% done] [ 5200/ 7924 kb/s] [eta 00m:25s] Threads: 3: [mmm] [36.8% done] [ 8812/ 2140 kb/s] [eta 00m:24s] Threads: 3: [mmm] [39.5% done] [ 3112/ 8964 kb/s] [eta 00m:23s] Threads: 3: [mmm] [40.0% done] [ 7064/ 3256 kb/s] [eta 00m:24s] Threads: 3: [mmm] [40.5% done] [ 7148/ 2132 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.9% done] [ 5364/ 4788 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 2940/ 5728 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.6% done] [ 1824/ 6064 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 3904/ 4148 kb/s] [eta 00m:22s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=15338, got signal=6 Threads: 2: [m_m] [50.0% done] [ 4004/ 3264 kb/s] [eta 00m:22s] Threads: 2: [m_m] [53.5% done] [ 752/ 7820 kb/s] [eta 00m:20s] Threads: 2: [m_V] [55.8% done] [ 456/ 7568 kb/s] [eta 00m:19s] Threads: 2: [m_V] [55.6% done] [ 15438/ 0 kb/s] [eta 00m:20s] Threads: 2: [m_V] [56.5% done] [ 16860/ 248 kb/s] [eta 00m:20s] Threads: 1: [m_E] [57.4% done] [ 12060/ 2024 kb/s] [eta 00m:20s] Threads: 1: [m__] [63.6% done] [ 3828/ 4736 kb/s] [eta 00m:16s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 1: [m__] [67.4% done] [ 4924/ 1192 kb/s] [eta 00m:14s] fio: pid=15337, got signal=6 fio: (groupid=0): err= 0: pid=15337 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.5%, 2=3.8%, 4=40.5%, 8=55.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.1%, 10=2.5%, 20=5.9%, 50=32.8%, 100=12.9% lat (msec): 250=27.8%, 500=14.4%, 750=1.6%, 1000=0.6%, >=2000=0.5% fio: (groupid=0): err= 0: pid=15338 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.9%, 2=4.4%, 4=37.6%, 8=57.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.0%, 10=1.5%, 20=4.6%, 50=19.1%, 100=25.2% lat (msec): 250=45.2%, 500=3.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15339 read : io=100MiB, bw=3,806KiB/s, runt= 27541msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 399, avg=84.35, stdev=72.43 bw (KiB/s) : min= 64, max=17686, per=59.72%, avg=4714.23, stdev=4538.17 write: io=43,268KiB, bw=1,808KiB/s, runt= 24501msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 456, avg=83.18, stdev=82.22 bw (KiB/s) : min= 0, max= 8793, per=53.61%, avg=3093.77, stdev=2434.18 cpu : usr=0.17%, sys=0.55%, ctx=6052 IO depths : 1=1.3%, 2=5.7%, 4=41.5%, 8=51.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.0%, 10=7.3%, 20=10.9%, 50=28.5%, 100=16.6% lat (msec): 250=32.8%, 500=2.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=207MiB, aggrb=7,894KiB/s, minb=0KiB/s, maxb=3,806KiB/s, mint=27541msec, maxt=27541msec WRITE: io=135MiB, aggrb=5,771KiB/s, minb=0KiB/s, maxb=1,808KiB/s, mint=27541msec, maxt=27541msec Disk stats (read/write): sda: ios=3834/2980, merge=576/199, ticks=58836/70232, in_queue=129060, util=98.47% 0.23user 0.38system 0:30.28elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2489minor)pagefaults 0swaps