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] [23.1% done] [ 11747/ 42619 kb/s] [eta 00m:10s] Threads: 3: [mmm] [36.4% done] [ 11154/ 48343 kb/s] [eta 00m:07s] Threads: 3: [mmm] [41.7% done] [ 9033/ 8074 kb/s] [eta 00m:07s] Threads: 3: [mmm] [42.9% done] [ 671/ 0 kb/s] [eta 00m:08s] Threads: 3: [mmm] [58.3% done] [ 569/ 22334 kb/s] [eta 00m:05s] Threads: 3: [mFm] [61.5% done] [ 357/ 13779 kb/s] [eta 00m:05s] Threads: 3: [mFm] [60.0% done] [ 308/ 260 kb/s] [eta 00m:06s] Threads: 3: [mFm] [62.5% done] [ 430/ 0 kb/s] [eta 00m:06s] Threads: 3: [mFm] [61.1% done] [ 109/ 154 kb/s] [eta 00m:07s] Threads: 3: [mFm] [60.0% done] [ 333/ 69 kb/s] [eta 00m:08s] Threads: 3: [FFm] [65.0% done] [ 512/ 11234 kb/s] [eta 00m:07s] Threads: 3: [FFm] [63.6% done] [ 158/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVm] [65.2% done] [ 7622/ 215 kb/s] [eta 00m:08s] Threads: 3: [VVm] [64.0% done] [ 22595/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVm] [65.4% done] [ 26644/ 125 kb/s] [eta 00m:09s] Threads: 3: [VVm] [64.3% done] [ 21151/ 0 kb/s] [eta 00m:10s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=22846, got signal=6 Threads: 2: [VV_] [100.0% done] [ 21749/ 4844 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 26051/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 15859/ 0 kb/s] [eta 00m:00s] Threads: 1: [VE_] [100.0% done] [ 23072/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22844 read : io=100MiB, bw=4,721KiB/s, runt= 22207msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1859, avg=79.92, stdev=199.93 bw (KiB/s) : min= 1, max=13953, per=50.97%, avg=5158.43, stdev=4714.18 write: io=78,036KiB, bw=5,387KiB/s, runt= 14831msec slat (msec): min= 0, max= 3, avg= 0.01, stdev= 0.13 clat (msec): min= 0, max= 1403, avg= 8.31, stdev=86.98 bw (KiB/s) : min= 0, max=55623, per=73.51%, avg=12679.50, stdev=21693.07 cpu : usr=6.14%, sys=3.30%, ctx=11773 IO depths : 1=41.2%, 2=10.8%, 4=27.7%, 8=20.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.5%, 4=2.8%, 10=6.7%, 20=12.4%, 50=14.4%, 100=3.6% lat (msec): 250=10.7%, 500=1.3%, 750=0.3%, 1000=0.3%, >=2000=0.9% fio: (groupid=0): err= 0: pid=22845 read : io=100MiB, bw=4,814KiB/s, runt= 21778msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1638, avg=59.46, stdev=129.03 bw (KiB/s) : min= 9, max=21915, per=74.15%, avg=7504.65, stdev=6009.76 write: io=84,096KiB, bw=5,862KiB/s, runt= 14688msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 703, avg= 2.65, stdev=28.41 bw (KiB/s) : min= 0, max=72220, per=126.21%, avg=21769.50, stdev=33849.07 cpu : usr=6.19%, sys=3.53%, ctx=10369 IO depths : 1=30.7%, 2=20.1%, 4=28.9%, 8=20.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.3%, 4=5.0%, 10=9.2%, 20=11.2%, 50=15.6%, 100=4.9% lat (msec): 250=9.2%, 500=1.0%, 750=0.1%, 1000=0.1%, >=2000=0.3% fio: (groupid=0): err= 0: pid=22846 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=15.0%, 2=56.2%, 4=7.5%, 8=21.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=64.1%, 4=9.0%, 10=0.7%, 20=0.2%, 50=3.8%, 100=9.4% lat (msec): 250=5.8%, 500=1.5%, 750=1.1%, 1000=1.2%, >=2000=2.5% Run status group 0 (all jobs): READ: io=214MiB, aggrb=10,121KiB/s, minb=0KiB/s, maxb=4,814KiB/s, mint=0msec, maxt=22207msec WRITE: io=244MiB, aggrb=17,248KiB/s, minb=0KiB/s, maxb=5,862KiB/s, mint=0msec, maxt=22207msec Disk stats (read/write): cciss!c0d0: ios=4610/4028, merge=1082/58387, ticks=90928/1550572, in_queue=1641500, util=94.32% 4.04user 2.01system 0:23.69elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k 545264inputs+499672outputs (0major+2473minor)pagefaults 0swaps