OSX SSD TEST

Job Config
[global]
bs=4k
ioengine=posixaio
iodepth=4
size=1g
runtime=60
group_reporting=1
numjobs=8
directory=/var/tmp
filename=ssd.test.file

[seq-read]
rw=read
stonewall

[rand-read]
rw=randread
stonewall

[seq-write]
rw=write
stonewall

[rand-write]
rw=randwrite
stonewall

Results
Jobs: 3 (f=3): [_(1),X(3),_(3),X(3),_(1),X(1),_(2),X(5),_(1),X(3),_(1),X(1),w(1),X(1),w(1),X(2),w(1),X(1)] [100.0% done] [0KB/213.8MB/0KB /s] [0/54.8K/0 iops] [eta 00m:00s]
seq-read: (groupid=0, jobs=8): err=-1 (file:engines/posixaio.c:213, func=xfer, error=Unknown error: -1): pid=4355: Tue Dec  1 15:49:45 2015
  read : io=4096.0MB, bw=368925KB/s, iops=92231, runt= 11369msec
    slat (usec): min=0, max=515, avg= 1.56, stdev= 1.49
    clat (usec): min=0, max=5145, avg=169.65, stdev=140.67
     lat (usec): min=0, max=5145, avg=171.21, stdev=140.42
    clat percentiles (usec):
     |  1.00th=[    9],  5.00th=[   12], 10.00th=[   15], 20.00th=[   23],
     | 30.00th=[   72], 40.00th=[  133], 50.00th=[  157], 60.00th=[  189],
     | 70.00th=[  221], 80.00th=[  266], 90.00th=[  350], 95.00th=[  426],
     | 99.00th=[  604], 99.50th=[  684], 99.90th=[  852], 99.95th=[  924],
     | 99.99th=[ 1496]
    bw (KB  /s): min=81696, max=102208, per=25.10%, avg=92605.82, stdev=4985.35
    lat (usec) : 2=0.01%, 4=0.01%, 10=1.48%, 20=14.40%, 50=12.76%
    lat (usec) : 100=5.44%, 250=42.82%, 500=20.55%, 750=2.28%, 1000=0.23%
    lat (msec) : 2=0.02%, 4=0.01%, 10=0.01%
  cpu          : usr=17.39%, sys=57.89%, ctx=3383612, majf=0, minf=107
  IO depths    : 1=2.7%, 2=32.1%, 4=65.3%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=1048580/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=4
rand-read: (groupid=1, jobs=8): err=-1 (file:engines/posixaio.c:213, func=xfer, error=Unknown error: -1): pid=6403: Tue Dec  1 15:49:45 2015
  read : io=3072.8MB, bw=2522.3MB/s, iops=645694, runt=  1218msec
    slat (usec): min=0, max=2393, avg= 1.61, stdev= 3.35
    clat (usec): min=0, max=2594, avg=14.33, stdev=11.54
     lat (usec): min=0, max=2595, avg=15.93, stdev=12.00
    clat percentiles (usec):
     |  1.00th=[    6],  5.00th=[    7], 10.00th=[    8], 20.00th=[    9],
     | 30.00th=[   10], 40.00th=[   12], 50.00th=[   14], 60.00th=[   16],
     | 70.00th=[   17], 80.00th=[   19], 90.00th=[   21], 95.00th=[   22],
     | 99.00th=[   28], 99.50th=[   34], 99.90th=[   83], 99.95th=[  119],
     | 99.99th=[  270]
    bw (KB  /s): min=843880, max=878648, per=33.34%, avg=861213.33, stdev=14639.70
    lat (usec) : 2=0.01%, 4=0.01%, 10=24.17%, 20=60.56%, 50=15.00%
    lat (usec) : 100=0.19%, 250=0.06%, 500=0.01%, 750=0.01%, 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%
  cpu          : usr=69.07%, sys=224.17%, ctx=18203, majf=0, minf=191
  IO depths    : 1=3.1%, 2=55.8%, 4=41.1%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=786456/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=4
seq-write: (groupid=2, jobs=8): err=-1 (file:engines/posixaio.c:213, func=xfer, error=Unknown error: -1): pid=8451: Tue Dec  1 15:49:45 2015
  write: io=2048.4MB, bw=1327.5MB/s, iops=339839, runt=  1543msec
    slat (usec): min=0, max=178, avg= 1.69, stdev= 1.73
    clat (usec): min=0, max=11130, avg=19.25, stdev=150.19
     lat (usec): min=0, max=11132, avg=20.94, stdev=150.18
    clat percentiles (usec):
     |  1.00th=[    4],  5.00th=[    5], 10.00th=[    6], 20.00th=[    7],
     | 30.00th=[    8], 40.00th=[    9], 50.00th=[   11], 60.00th=[   12],
     | 70.00th=[   13], 80.00th=[   14], 90.00th=[   16], 95.00th=[   19],
     | 99.00th=[  346], 99.50th=[  402], 99.90th=[  692], 99.95th=[ 1704],
     | 99.99th=[ 8768]
    bw (KB  /s): min=602648, max=744504, per=49.79%, avg=676789.33, stdev=62926.87
    lat (usec) : 2=0.01%, 4=0.16%, 10=40.15%, 20=55.27%, 50=2.56%
    lat (usec) : 100=0.29%, 250=0.13%, 500=1.29%, 750=0.05%, 1000=0.02%
    lat (msec) : 2=0.03%, 4=0.01%, 10=0.03%, 20=0.01%
  cpu          : usr=40.25%, sys=83.91%, ctx=31395, majf=0, minf=29
  IO depths    : 1=3.5%, 2=52.2%, 4=44.3%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=524372/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=4
rand-write: (groupid=3, jobs=8): err=-1 (file:engines/posixaio.c:213, func=xfer, error=Unknown error: -1): pid=10499: Tue Dec  1 15:49:45 2015
  write: io=3072.2MB, bw=221469KB/s, iops=55367, runt= 14204msec
    slat (usec): min=0, max=1454, avg= 1.41, stdev= 2.33
    clat (usec): min=3, max=10541, avg=212.95, stdev=224.88
     lat (usec): min=5, max=10542, avg=214.35, stdev=224.90
    clat percentiles (usec):
     |  1.00th=[   83],  5.00th=[  116], 10.00th=[  135], 20.00th=[  157],
     | 30.00th=[  173], 40.00th=[  189], 50.00th=[  203], 60.00th=[  217],
     | 70.00th=[  231], 80.00th=[  249], 90.00th=[  274], 95.00th=[  294],
     | 99.00th=[  374], 99.50th=[  564], 99.90th=[ 4576], 99.95th=[ 5920],
     | 99.99th=[ 8256]
    bw (KB  /s): min=70704, max=77656, per=33.49%, avg=74168.43, stdev=1992.15
    lat (usec) : 4=0.01%, 10=0.02%, 20=0.08%, 50=0.13%, 100=2.08%
    lat (usec) : 250=78.68%, 500=18.42%, 750=0.22%, 1000=0.11%
    lat (msec) : 2=0.10%, 4=0.04%, 10=0.11%, 20=0.01%
  cpu          : usr=18.14%, sys=42.91%, ctx=4837590, majf=0, minf=76
  IO depths    : 1=0.2%, 2=14.7%, 4=85.1%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=786444/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=4

Run status group 0 (all jobs):
   READ: io=4096.0MB, aggrb=368924KB/s, minb=368924KB/s, maxb=368924KB/s, mint=11369msec, maxt=11369msec

Run status group 1 (all jobs):
   READ: io=3072.8MB, aggrb=2522.3MB/s, minb=2522.3MB/s, maxb=2522.3MB/s, mint=1218msec, maxt=1218msec

Run status group 2 (all jobs):
  WRITE: io=2048.4MB, aggrb=1327.5MB/s, minb=1327.5MB/s, maxb=1327.5MB/s, mint=1543msec, maxt=1543msec

Run status group 3 (all jobs):
  WRITE: io=3072.2MB, aggrb=221468KB/s, minb=221468KB/s, maxb=221468KB/s, mint=14204msec, maxt=14204msec