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] [ 21125/  7341 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [19.0% done] [  7168/ 25733 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.8% done] [ 27277/  3694 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.0% done] [ 27407/  4883 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.0% done] [ 21724/  5746 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [38.1% done] [  5045/  8680 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [45.0% done] [ 12000/  1811 kb/s] [eta 00m:11s]
Threads: 3: [FFm] [47.6% done] [  9535/     0 kb/s] [eta 00m:11s]
Threads: 3: [FFm] [47.8% done] [  1910/     0 kb/s] [eta 00m:12s]
Threads: 3: [FFm] [50.0% done] [    11/  3536 kb/s] [eta 00m:12s]
Threads: 3: [FFm] [54.2% done] [  4903/   133 kb/s] [eta 00m:11s]
Threads: 3: [VFm] [56.0% done] [ 46981/     0 kb/s] [eta 00m:11s]
Threads: 1: [__m] [60.0% done] [ 44902/     0 kb/s] [eta 00m:10s]
Threads: 1: [__m] [66.7% done] [  4466/  4257 kb/s] [eta 00m:08s]
Threads: 1: [__F] [100.0% done] [   834/   811 kb/s] [eta 00m:00s]
Threads: 1: [__V] [90.0% done] [ 29353/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=2672
  read : io=100MiB, bw=7,251KiB/s, runt= 14461msec
    clat (msec): min=    0, max=  249, avg= 2.70, stdev=20.35
    bw (KiB/s) : min=    0, max=18759, per=45.71%, avg=7724.50, stdev=6805.53
  write: io=49,464KiB, bw=3,572KiB/s, runt= 14178msec
    clat (msec): min=    0, max=  245, avg= 5.43, stdev=29.30
    bw (KiB/s) : min=    0, max=25115, per=127.67%, avg=8281.82, stdev=7735.98
  cpu          : usr=7.27%, sys=1.52%, ctx=1714
  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=90.9%, 4=0.9%, 10=3.3%, 20=2.8%, 50=0.5%, 100=0.2%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2673
  read : io=100MiB, bw=7,063KiB/s, runt= 14845msec
    clat (msec): min=    0, max=  255, avg= 4.39, stdev=26.61
    bw (KiB/s) : min=    4, max=15925, per=42.75%, avg=7224.22, stdev=5572.57
  write: io=33,744KiB, bw=2,359KiB/s, runt= 14643msec
    clat (msec): min=    0, max=  242, avg= 5.41, stdev=25.28
    bw (KiB/s) : min=    0, max=27687, per=147.81%, avg=9588.43, stdev=12512.57
  cpu          : usr=6.17%, sys=1.35%, ctx=2280
  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=87.6%, 4=1.2%, 10=4.4%, 20=4.0%, 50=0.7%, 100=0.3%
     lat (msec): 250=1.6%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2674
  read : io=100MiB, bw=5,633KiB/s, runt= 18613msec
    clat (msec): min=    0, max=  865, avg= 6.18, stdev=42.21
    bw (KiB/s) : min=   16, max= 9659, per=27.13%, avg=4585.67, stdev=3799.74
  write: io=33,500KiB, bw=1,862KiB/s, runt= 18422msec
    clat (msec): min=    0, max=  794, avg= 9.78, stdev=52.99
    bw (KiB/s) : min=    0, max= 9688, per=48.73%, avg=3161.44, stdev=3510.68
  cpu          : usr=5.11%, sys=1.20%, ctx=4630
  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=78.9%, 4=2.1%, 10=7.1%, 20=8.4%, 50=1.5%, 100=0.2%
     lat (msec): 250=1.4%, 500=0.1%, 750=0.2%, 1000=0.1%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,900KiB/s, minb=5,633KiB/s, maxb=7,251KiB/s, mint=14461msec, maxt=18613msec
  WRITE: io=114MiB, aggrb=6,487KiB/s, minb=1,862KiB/s, maxb=3,572KiB/s, mint=14461msec, maxt=18613msec

Disk stats (read/write):
  sda: ios=8524/1173, merge=0/28036, ticks=33420/848688, in_queue=882108, util=96.66%
2.93user 0.72system 0:19.06elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8524major+98449minor)pagefaults 0swaps