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: 2
Threads: 2: [_mm] [21.4% done] [ 11740/ 11100 kb/s] [eta 00m:11s]
Threads: 2: [_mm] [26.7% done] [ 10460/ 10892 kb/s] [eta 00m:11s]
Threads: 2: [_mm] [33.3% done] [ 18080/  4176 kb/s] [eta 00m:10s]
Threads: 2: [_mm] [40.0% done] [ 17180/  4920 kb/s] [eta 00m:09s]
Threads: 2: [_mm] [46.7% done] [ 10120/ 12644 kb/s] [eta 00m:08s]
Threads: 2: [_mm] [50.0% done] [  7764/     0 kb/s] [eta 00m:08s]
Threads: 2: [_mm] [52.9% done] [  8780/  2380 kb/s] [eta 00m:08s]
Threads: 2: [_mm] [58.8% done] [  1772/  8348 kb/s] [eta 00m:07s]
Threads: 2: [_Fm] [61.1% done] [  2228/  5228 kb/s] [eta 00m:07s]
Threads: 2: [_Fm] [63.2% done] [  2928/  2148 kb/s] [eta 00m:07s]
Threads: 2: [_Fm] [65.0% done] [     0/  5040 kb/s] [eta 00m:07s]
Threads: 2: [_FF] [100.0% done] [   404/  2288 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [ 39124/     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=13718
  read : io=100MiB, bw=69,998KiB/s, runt=  1498msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=115171, max=115171, per=615.26%, avg=115171.00, stdev=-1.00
  cpu          : usr=57.14%, sys=5.07%, ctx=7
  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=99.8%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13719
  read : io=100MiB, bw=7,195KiB/s, runt= 14573msec
    clat (msec): min=    0, max=  198, avg= 3.71, stdev=17.84
    bw (KiB/s) : min=   35, max=18019, per=37.86%, avg=7086.29, stdev=6160.62
  write: io=39,124KiB, bw=2,792KiB/s, runt= 14349msec
    clat (msec): min=    0, max=  135, avg= 4.50, stdev=18.27
    bw (KiB/s) : min=    0, max=14800, per=152.84%, avg=6964.73, stdev=6339.92
  cpu          : usr=7.19%, sys=1.26%, ctx=3825
  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=83.4%, 4=2.3%, 10=5.4%, 20=5.7%, 50=1.1%, 100=0.3%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13720
  read : io=100MiB, bw=6,239KiB/s, runt= 16805msec
    clat (msec): min=    0, max=  236, avg= 4.56, stdev=20.00
    bw (KiB/s) : min=    2, max=11964, per=30.32%, avg=5676.29, stdev=4126.85
  write: io=34,772KiB, bw=2,144KiB/s, runt= 16605msec
    clat (msec): min=    0, max=  224, avg= 6.58, stdev=20.84
    bw (KiB/s) : min=    0, max=12122, per=90.26%, avg=4113.06, stdev=3879.17
  cpu          : usr=5.83%, sys=1.24%, ctx=5134
  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=78.7%, 4=1.7%, 10=7.4%, 20=8.0%, 50=1.3%, 100=1.0%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=18,719KiB/s, minb=6,239KiB/s, maxb=69,998KiB/s, mint=1498msec, maxt=16805msec
  WRITE: io=73,896KiB, aggrb=4,557KiB/s, minb=0KiB/s, maxb=2,792KiB/s, mint=1498msec, maxt=16805msec

Disk stats (read/write):
  sda: ios=8800/910, merge=0/17586, ticks=22368/853376, in_queue=875744, util=97.59%
2.89user 0.51system 0:17.15elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8800major+87463minor)pagefaults 0swaps