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] [12.5% done] [ 22920/  9500 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [20.0% done] [ 25276/  6692 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [26.3% done] [ 17144/ 10340 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [31.6% done] [  3692/ 18168 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [38.9% done] [ 21408/ 10332 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 17588/  5068 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.4% done] [  8724/  9412 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [  9060/  5492 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [55.0% done] [ 11272/  2288 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [60.0% done] [  8008/  2684 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [59.1% done] [  1878/  2780 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [60.9% done] [  2657/  2019 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [62.5% done] [  3709/  1280 kb/s] [eta 00m:09s]
Threads: 2: [_Fm] [61.5% done] [ 25669/     0 kb/s] [eta 00m:10s]
Threads: 2: [_Fm] [60.7% done] [    93/     0 kb/s] [eta 00m:11s]
Threads: 1: [__m] [66.7% done] [ 47311/     0 kb/s] [eta 00m:09s]
Threads: 1: [__F] [100.0% done] [  1345/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [90.9% done] [ 36912/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=26763
  read : io=100MiB, bw=6,487KiB/s, runt= 16164msec
    clat (msec): min=    0, max=  264, avg= 4.25, stdev=24.58
    bw (KiB/s) : min=   27, max=29841, per=53.47%, avg=8304.12, stdev=7703.64
  write: io=25,268KiB, bw=1,615KiB/s, runt= 16017msec
    clat (msec): min=    0, max=  266, avg= 7.36, stdev=33.18
    bw (KiB/s) : min=    0, max=10122, per=62.26%, avg=3296.50, stdev=3205.49
  cpu          : usr=5.77%, sys=0.89%, ctx=2965
  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=84.3%, 4=2.0%, 10=5.4%, 20=5.4%, 50=0.8%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26764
  read : io=100MiB, bw=5,968KiB/s, runt= 17568msec
    clat (msec): min=    0, max=  279, avg= 5.43, stdev=29.60
    bw (KiB/s) : min=    7, max=13027, per=30.97%, avg=4810.48, stdev=4586.05
  write: io=38,720KiB, bw=2,286KiB/s, runt= 17344msec
    clat (msec): min=    0, max=  809, avg= 9.58, stdev=47.14
    bw (KiB/s) : min=    0, max=11509, per=71.35%, avg=3778.17, stdev=4414.07
  cpu          : usr=5.71%, sys=0.93%, ctx=2917
  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=84.7%, 4=1.6%, 10=4.8%, 20=5.2%, 50=0.6%, 100=0.2%
     lat (msec): 250=2.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26765
  read : io=100MiB, bw=5,177KiB/s, runt= 20254msec
    clat (msec): min=    0, max= 1617, avg= 7.16, stdev=53.45
    bw (KiB/s) : min=   22, max= 9911, per=26.51%, avg=4117.30, stdev=4087.88
  write: io=39,592KiB, bw=2,024KiB/s, runt= 20030msec
    clat (msec): min=    0, max=  578, avg=10.42, stdev=45.89
    bw (KiB/s) : min=    0, max=13618, per=81.07%, avg=4292.80, stdev=4720.89
  cpu          : usr=4.66%, sys=1.17%, ctx=3590
  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=81.7%, 4=1.7%, 10=6.3%, 20=6.5%, 50=0.9%, 100=0.2%
     lat (msec): 250=2.2%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,531KiB/s, minb=5,177KiB/s, maxb=6,487KiB/s, mint=16164msec, maxt=20254msec
  WRITE: io=101MiB, aggrb=5,295KiB/s, minb=1,615KiB/s, maxb=2,286KiB/s, mint=16164msec, maxt=20254msec

Disk stats (read/write):
  sda: ios=9348/1215, merge=0/24717, ticks=41624/1204736, in_queue=1246360, util=97.53%
2.89user 0.61system 0:20.56elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9348major+94353minor)pagefaults 0swaps