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=32634 read : io=32KiB, bw=1,230KiB/s, iops=76, runt= 26msec clat (msec): min=3, max=18, avg=10.75, stdev=10.76 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): 4=50.00%, 20=50.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=32635 read : io=16KiB, bw=4,000KiB/s, iops=250, runt= 4msec clat (usec): min=3,340, max=3,340, avg=3340.00, 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): 4=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=32636 read : io=16KiB, bw=615KiB/s, iops=38, runt= 26msec clat (usec): min=23,825, max=23,825, avg=23825.00, 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): 50=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=32637 read : io=16KiB, bw=320KiB/s, iops=20, runt= 50msec clat (usec): min=24,038, max=24,038, avg=24038.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=7, 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): 50=100.00% stresser: (groupid=1, jobs=1): err= 0: pid=32638 cpu : usr=98.52%, sys=0.00%, ctx=97855, majf=0, minf=113 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=71533/0, short=0/0 lat (msec): 100=99.99%, 250=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=32639 cpu : usr=98.47%, sys=0.01%, ctx=335768, majf=0, minf=113 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=71497/0, short=0/0 lat (msec): 100=99.99%, 250=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=32640 cpu : usr=99.17%, sys=0.00%, ctx=2090741, majf=0, minf=113 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=71814/0, short=0/0 lat (msec): 100=100.00%, 250=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=32641 cpu : usr=99.13%, sys=0.00%, ctx=1497311, majf=0, minf=113 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=71783/0, short=0/0 lat (msec): 100=100.00%, 250=0.01% Run status group 0 (all jobs): READ: io=80KiB, aggrb=1,606KiB/s, minb=321KiB/s, maxb=4,096KiB/s, mint=4msec, maxt=50msec Run status group 1 (all jobs): Disk stats (read/write): sda: ios=20/0, merge=0/0, ticks=48/0, in_queue=48, util=0.00% Command exited with non-zero status 4 14231.10user 2.14system 1:00:00elapsed 395%CPU (0avgtext+0avgdata 0maxresident)k 1936inputs+3048outputs (37major+17235minor)pagefaults 0swaps