fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [15.8% done] [ 20492/  6621 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [21.1% done] [ 16176/  8924 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [26.3% done] [ 19385/  3786 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [28.6% done] [ 17156/   732 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [33.3% done] [ 13740/  7040 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [36.4% done] [ 11433/  8314 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [40.9% done] [ 16400/  4120 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [45.5% done] [ 15558/  2005 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [47.8% done] [ 10677/  6190 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [52.2% done] [ 11250/  4539 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [56.5% done] [  9123/  5596 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [58.3% done] [ 10738/  3030 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [62.5% done] [ 10514/   874 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [64.0% done] [  8159/  2802 kb/s] [eta 00m:09s]
Threads: 3: [VVm] [65.4% done] [ 10567/  1118 kb/s] [eta 00m:09s]
Threads: 3: [VVm] [66.7% done] [ 13426/  1053 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [67.9% done] [ 15063/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [71.4% done] [ 18901/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [77.8% done] [ 16640/     0 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=30348
  read : io=100MiB, bw=4,954KiB/s, runt= 21163msec
    slat (msec): min=    0, max= 5834, avg=999.24, stdev=1764.41
    clat (msec): min=    0, max=  329, avg=71.81, stdev=60.20
    bw (KiB/s) : min=   27, max=12581, per=38.55%, avg=5514.09, stdev=3055.55
  write: io=28,024KiB, bw=1,870KiB/s, runt= 15344msec
    slat (msec): min=    0, max=   15, avg= 0.83, stdev= 1.68
    clat (msec): min=    6, max=  237, avg=72.02, stdev=47.21
    bw (KiB/s) : min=    0, max= 7836, per=61.63%, avg=3177.42, stdev=3263.85
  cpu          : usr=8.15%, sys=0.34%, ctx=909
  IO depths    : 1=0.4%, 2=3.3%, 4=54.9%, 8=41.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.1%, 10=2.8%, 20=10.3%, 50=30.2%, 100=33.3%
     lat (msec): 250=20.6%, 500=2.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30349
  read : io=100MiB, bw=4,969KiB/s, runt= 21101msec
    slat (msec): min=    0, max= 4811, avg=662.71, stdev=1242.73
    clat (msec): min=    0, max=  624, avg=75.73, stdev=70.83
    bw (KiB/s) : min=   86, max=11163, per=37.28%, avg=5331.52, stdev=2939.52
  write: io=28,236KiB, bw=1,777KiB/s, runt= 16263msec
    slat (msec): min=    0, max=  468, avg= 3.95, stdev=38.11
    clat (msec): min=   12, max=  208, avg=75.05, stdev=40.49
    bw (KiB/s) : min=    0, max= 9726, per=68.14%, avg=3513.38, stdev=3567.53
  cpu          : usr=7.94%, sys=0.30%, ctx=893
  IO depths    : 1=0.2%, 2=2.7%, 4=54.9%, 8=42.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.1%, 10=2.9%, 20=8.7%, 50=31.6%, 100=31.2%
     lat (msec): 250=22.3%, 500=2.6%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30350
  read : io=100MiB, bw=4,767KiB/s, runt= 21992msec
    slat (msec): min=    0, max= 3931, avg=819.15, stdev=1420.17
    clat (msec): min=    1, max=  638, avg=69.62, stdev=69.08
    bw (KiB/s) : min=   12, max=26991, per=39.87%, avg=5703.25, stdev=5157.36
  write: io=34,724KiB, bw=1,967KiB/s, runt= 18068msec
    slat (msec): min=    0, max=  580, avg= 3.89, stdev=38.35
    clat (msec): min=    3, max=  345, avg=93.22, stdev=64.45
    bw (KiB/s) : min=    0, max= 8883, per=68.09%, avg=3510.59, stdev=3263.66
  cpu          : usr=8.04%, sys=0.35%, ctx=929
  IO depths    : 1=0.3%, 2=3.5%, 4=54.3%, 8=41.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=1.2%, 10=5.5%, 20=9.7%, 50=27.9%, 100=30.9%
     lat (msec): 250=21.0%, 500=3.2%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,303KiB/s, minb=4,767KiB/s, maxb=4,969KiB/s, mint=21101msec, maxt=21992msec
  WRITE: io=90,984KiB, aggrb=5,156KiB/s, minb=1,777KiB/s, maxb=1,967KiB/s, mint=21101msec, maxt=21992msec

Disk stats (read/write):
  cciss!c0d0: ios=5336/1591, merge=1187/307, ticks=381556/280504, in_queue=662060, util=99.48%
5.21user 0.23system 0:22.23elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+181992outputs (0major+2359minor)pagefaults 0swaps