fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file stresser: (g=0): rw=randrw, bs=16K-16K/16K-16K, ioengine=mmap, iodepth=1 fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file ... fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file stresser: (g=0): rw=randrw, bs=16K-16K/16K-16K, ioengine=mmap, iodepth=1 stresser: ioengine=cpu, cpuload=25, cpucycle=50000 ... stresser: ioengine=cpu, cpuload=25, cpucycle=50000 Starting 8 processes Bad verify header 0 Bad verify header 0 Bad verify header 0 Bad verify header 0 stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=27805 read : io=32KiB, bw=142KiB/s, iops=8, runt= 224msec clat (msec): min=13, max=134, avg=73.86, stdev=85.16 cpu : usr=0.00%, sys=0.00%, ctx=9, majf=0, minf=59 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=2/0, short=0/0 lat (msec): 20=50.00%, 250=50.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=27806 read : io=16KiB, bw=124KiB/s, iops=7, runt= 129msec clat (usec): min=60,440, max=60,440, avg=60440.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=54 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/0, short=0/0 lat (msec): 100=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=27807 read : io=16KiB, bw=148KiB/s, iops=9, runt= 108msec clat (usec): min=59,632, max=59,632, avg=59632.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=54 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/0, short=0/0 lat (msec): 100=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=27808 read : io=16KiB, bw=285KiB/s, iops=17, runt= 56msec clat (usec): min=55,142, max=55,142, avg=55142.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=4, majf=0, minf=54 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/0, short=0/0 lat (msec): 100=100.00% stresser: (groupid=1, jobs=1): err= 0: pid=27809 cpu : usr=98.69%, sys=0.01%, ctx=365044, majf=0, minf=114 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=71685/0, short=0/0 lat (msec): 100=99.89%, 250=0.09%, 500=0.02% stresser: (groupid=1, jobs=1): err= 0: pid=27810 cpu : usr=99.16%, sys=0.00%, ctx=3414948, majf=0, minf=114 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=71911/0, short=0/0 lat (msec): 100=99.99%, 250=0.01%, 500=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=27811 cpu : usr=98.34%, sys=0.00%, ctx=25857, majf=0, minf=114 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=71328/0, short=0/0 lat (msec): 100=99.81%, 250=0.14%, 500=0.04% stresser: (groupid=1, jobs=1): err= 0: pid=27812 cpu : usr=99.18%, sys=0.01%, ctx=212781, majf=0, minf=114 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=71780/0, short=0/0 lat (msec): 100=99.92%, 250=0.08%, 500=0.01% Run status group 0 (all jobs): READ: io=80KiB, aggrb=357KiB/s, minb=124KiB/s, maxb=287KiB/s, mint=56msec, maxt=224msec Run status group 1 (all jobs): Disk stats (read/write): sda: ios=20/0, merge=0/0, ticks=307/0, in_queue=307, util=0.00% Command exited with non-zero status 4 14233.83user 2.74system 1:00:00elapsed 395%CPU (0avgtext+0avgdata 0maxresident)k 1936inputs+3056outputs (37major+17238minor)pagefaults 0swaps