fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [14.3% done] [ 20861/  8813 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [20.0% done] [  7428/ 19951 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [29.4% done] [ 22428/ 11177 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [35.3% done] [ 11093/ 12592 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [36.8% done] [ 15193/   162 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [42.1% done] [  9520/ 11719 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [45.0% done] [ 10955/ 14856 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [52.6% done] [ 16660/ 12474 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [57.9% done] [ 15246/  3547 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [60.0% done] [ 10817/     0 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [61.9% done] [  6282/  1332 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [63.6% done] [  4819/   938 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [65.2% done] [  6249/     0 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [66.7% done] [  3311/     0 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [65.4% done] [    24/     0 kb/s] [eta 00m:09s]
Threads: 2: [_mV] [66.7% done] [ 55255/     0 kb/s] [eta 00m:09s]
Threads: 1: [_F_] [100.0% done] [ 18249/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6773
  read : io=100MiB, bw=5,959KiB/s, runt= 17596msec
    clat (msec): min=    0, max=  306, avg= 4.47, stdev=27.36
    bw (KiB/s) : min=    3, max=12209, per=38.94%, avg=5929.37, stdev=4600.97
  write: io=41,312KiB, bw=2,436KiB/s, runt= 17361msec
    clat (msec): min=    0, max=  236, avg= 7.00, stdev=32.64
    bw (KiB/s) : min=    0, max=13930, per=96.14%, avg=5678.25, stdev=5268.28
  cpu          : usr=5.55%, sys=1.05%, ctx=2275
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=88.2%, 4=1.1%, 10=4.0%, 20=3.8%, 50=0.5%, 100=0.1%
     lat (msec): 250=2.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=6774
  read : io=100MiB, bw=5,075KiB/s, runt= 20659msec
    clat (msec): min=    0, max= 1744, avg= 7.21, stdev=52.70
    bw (KiB/s) : min=   16, max=12037, per=24.12%, avg=3673.21, stdev=3541.59
  write: io=47,408KiB, bw=2,380KiB/s, runt= 20391msec
    clat (msec): min=    0, max=  550, avg= 8.30, stdev=36.86
    bw (KiB/s) : min=    0, max=17538, per=92.85%, avg=5483.73, stdev=5445.14
  cpu          : usr=5.00%, sys=1.14%, ctx=4547
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=79.1%, 4=2.2%, 10=7.0%, 20=7.8%, 50=1.0%, 100=0.3%
     lat (msec): 250=2.1%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=6775
  read : io=100MiB, bw=5,786KiB/s, runt= 18122msec
    clat (msec): min=    0, max=  770, avg= 6.71, stdev=38.02
    bw (KiB/s) : min=    8, max=13093, per=32.62%, avg=4966.42, stdev=4590.38
  write: io=28,892KiB, bw=1,647KiB/s, runt= 17953msec
    clat (msec): min=    0, max=  217, avg= 7.14, stdev=32.35
    bw (KiB/s) : min=    0, max=13950, per=82.74%, avg=4886.91, stdev=5514.17
  cpu          : usr=5.34%, sys=0.95%, ctx=2762
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=85.5%, 4=1.7%, 10=4.7%, 20=4.5%, 50=0.7%, 100=0.0%
     lat (msec): 250=2.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,226KiB/s, minb=5,075KiB/s, maxb=5,959KiB/s, mint=17596msec, maxt=20659msec
  WRITE: io=115MiB, aggrb=5,906KiB/s, minb=1,647KiB/s, maxb=2,436KiB/s, mint=17596msec, maxt=20659msec

Disk stats (read/write):
  sda: ios=9454/1315, merge=0/28128, ticks=43424/1228120, in_queue=1271544, util=96.42%
2.97user 0.68system 0:21.40elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9454major+97762minor)pagefaults 0swaps