PS C:\Users\callum.massey\Downloads> ./fio.exe --thread --filename=fiotmp --verify_pattern=0xdeadbeef --rw=write --verify=pattern --siz
e=100m --stonewall --bs=1m --name=layout --do_verify=0 --name=trim --rw=trim --bs=2k --name=verify --verify_only=1 --unlink=1
layout: (g=0): rw=write, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=windowsaio, iodepth=1
trim: (g=1): rw=trim, bs=(R) 2048B-2048B, (W) 2048B-2048B, (T) 2048B-2048B, ioengine=windowsaio, iodepth=1
verify: (g=2): rw=write, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=windowsaio, iodepth=1
fio-3.5-94-g946f9-dirty
Starting 3 threads
layout: Laying out IO file (1 file / 100MiB)
trim: Laying out IO file (1 file / 100MiB)
verify: Laying out IO file (1 file / 100MiB)
GetLastError=312
fio: io_u error on file fiotmp: Input/output error: trim offset=0, buflen=2048
trim: No I/O performed by windowsaio, perhaps try --debug=io option for details?
fio: pid=16024, err=5/file:io_u.c:1823, func=io_u error, error=Input/output error
verify: No I/O performed by windowsaio, perhaps try --debug=io option for details?

layout: (groupid=0, jobs=1): err= 0: pid=11052: Thu Apr 5 17:35:00 2018
  write: IOPS=2222, BW=2222MiB/s (2330MB/s)(100MiB/45msec)
    slat (usec): min=276, max=856, avg=371.85, stdev=78.36
    clat (nsec): min=757, max=108498, avg=64799.88, stdev=22931.19
     lat (usec): min=317, max=929, avg=436.65, stdev=80.66
    clat percentiles (nsec):
     |  1.00th=[   756],  5.00th=[ 15168], 10.00th=[ 27776], 20.00th=[ 38656],
     | 30.00th=[ 64256], 40.00th=[ 71168], 50.00th=[ 72192], 60.00th=[ 74240],
     | 70.00th=[ 80384], 80.00th=[ 81408], 90.00th=[ 83456], 95.00th=[ 89600],
     | 99.00th=[ 93696], 99.50th=[108032], 99.90th=[108032], 99.95th=[108032],
     | 99.99th=[108032]
  lat (nsec)   : 1000=1.00%
  lat (usec)   : 10=3.00%, 20=1.00%, 50=20.00%, 100=74.00%, 250=1.00%
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 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 rwts: total=0,100,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
trim: (groupid=1, jobs=1): err= 5 (file:io_u.c:1823, func=io_u error, error=Input/output error): pid=16024: Thu Apr 5 17:35:00 2018
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 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=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,0,1,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
verify: (groupid=2, jobs=1): err= 0: pid=13440: Thu Apr 5 17:35:00 2018
   read: IOPS=1818, BW=1818MiB/s (1907MB/s)(100MiB/55msec)
    slat (usec): min=174, max=541, avg=391.91, stdev=45.05
    clat (nsec): min=1053, max=97918, avg=65366.43, stdev=21960.54
     lat (usec): min=216, max=623, avg=457.28, stdev=47.31
    clat percentiles (nsec):
     |  1.00th=[ 1048],  5.00th=[12608], 10.00th=[39680], 20.00th=[44800],
     | 30.00th=[65280], 40.00th=[72192], 50.00th=[74240], 60.00th=[76288],
     | 70.00th=[78336], 80.00th=[80384], 90.00th=[83456], 95.00th=[86528],
     | 99.00th=[91648], 99.50th=[97792], 99.90th=[97792], 99.95th=[97792],
     | 99.99th=[97792]
  lat (usec)   : 2=1.00%, 4=0.50%, 20=2.50%, 50=9.00%, 100=37.00%
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 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 rwts: total=100,100,0,0 short=0,0,0,0 dropped=0,0,0,0

Run status group 0 (all jobs):
  WRITE: bw=2222MiB/s (2330MB/s), 2222MiB/s-2222MiB/s (2330MB/s-2330MB/s), io=100MiB (105MB), run=45-45msec

Run status group 1 (all jobs):

Run status group 2 (all jobs):
   READ: bw=1818MiB/s (1907MB/s), 1818MiB/s-1818MiB/s (1907MB/s-1907MB/s), io=100MiB (105MB), run=55-55msec