SSD testing

➜ sudo hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   25440 MB in  2.00 seconds = 12733.29 MB/sec
 Timing buffered disk reads: 1438 MB in  3.00 seconds = 508.88 MB/sec

# int13h @ homepc in ~ [22:26:54]
➜ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64



fio-2.6
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 4096MB)
Jobs: 1 (f=1): [m(1)] [15.0% done] [147.8MB/51120KB/0KB /s] [37.9K/12.8K/0 iops]Jobs: 1 (f=1): [m(1)] [21.1% done] [164.9MB/57284KB/0KB /s] [42.2K/14.4K/0 iops]Jobs: 1 (f=1): [m(1)] [23.8% done] [105.6MB/36164KB/0KB /s] [27.3K/9041/0 iops] Jobs: 1 (f=1): [m(1)] [27.3% done] [98.11MB/33380KB/0KB /s] [25.4K/8345/0 iops] Jobs: 1 (f=1): [m(1)] [30.4% done] [98.76MB/32724KB/0KB /s] [25.2K/8181/0 iops] Jobs: 1 (f=1): [m(1)] [33.3% done] [98.77MB/33512KB/0KB /s] [25.3K/8378/0 iops] Jobs: 1 (f=1): [m(1)] [37.5% done] [98.95MB/33600KB/0KB /s] [25.4K/8400/0 iops] Jobs: 1 (f=1): [m(1)] [40.0% done] [98.46MB/33900KB/0KB /s] [25.3K/8475/0 iops] Jobs: 1 (f=1): [m(1)] [44.0% done] [97.84MB/33128KB/0KB /s] [25.5K/8282/0 iops] Jobs: 1 (f=1): [m(1)] [48.0% done] [108.4MB/37172KB/0KB /s] [27.8K/9293/0 iops] Jobs: 1 (f=1): [m(1)] [52.0% done] [168.3MB/57548KB/0KB /s] [43.7K/14.4K/0 iops]Jobs: 1 (f=1): [m(1)] [58.3% done] [167.5MB/57120KB/0KB /s] [42.9K/14.3K/0 iops]Jobs: 1 (f=1): [m(1)] [65.2% done] [169.1MB/57976KB/0KB /s] [43.6K/14.5K/0 iops]Jobs: 1 (f=1): [m(1)] [69.6% done] [167.4MB/56496KB/0KB /s] [42.9K/14.2K/0 iops]Jobs: 1 (f=1): [m(1)] [73.9% done] [169.3MB/58048KB/0KB /s] [43.4K/14.6K/0 iops]Jobs: 1 (f=1): [m(1)] [81.8% done] [167.2MB/57132KB/0KB /s] [42.8K/14.3K/0 iops]Jobs: 1 (f=1): [m(1)] [86.4% done] [170.3MB/57608KB/0KB /s] [43.6K/14.5K/0 iops]Jobs: 1 (f=1): [m(1)] [90.9% done] [167.2MB/57044KB/0KB /s] [42.8K/14.3K/0 iops]Jobs: 1 (f=1): [m(1)] [100.0% done] [167.1MB/57156KB/0KB /s] [42.8K/14.3K/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=7859: Sun Mar  6 22:29:21 2016
  read : io=3071.7MB, bw=145069KB/s, iops=36267, runt= 21682msec
  write: io=1024.4MB, bw=48377KB/s, iops=12094, runt= 21682msec
  cpu          : usr=8.11%, sys=14.65%, ctx=1022305, majf=0, minf=10
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued    : total=r=786347/w=262229/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=64

Run status group 0 (all jobs):
   READ: io=3071.7MB, aggrb=145069KB/s, minb=145069KB/s, maxb=145069KB/s, mint=21682msec, maxt=21682msec
  WRITE: io=1024.4MB, aggrb=48377KB/s, minb=48377KB/s, maxb=48377KB/s, mint=21682msec, maxt=21682msec

Disk stats (read/write):
  sda: ios=781473/261217, merge=2783/302, ticks=1000877/390033, in_queue=1410837, util=99.60%

# int13h @ homepc in ~ [22:29:31]
➜ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randread
test: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64




fio-2.6
Starting 1 process
Jobs: 1 (f=1): [r(1)] [100.0% done] [296.1MB/0KB/0KB /s] [76.3K/0/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=8371: Sun Mar  6 22:31:11 2016
  read : io=4096.0MB, bw=303825KB/s, iops=75956, runt= 13805msec
  cpu          : usr=12.70%, sys=21.87%, ctx=1019982, majf=0, minf=74
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued    : total=r=1048576/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=64

Run status group 0 (all jobs):
   READ: io=4096.0MB, aggrb=303824KB/s, minb=303824KB/s, maxb=303824KB/s, mint=13805msec, maxt=13805msec

Disk stats (read/write):
  sda: ios=1035461/33, merge=3254/47, ticks=865223/5063, in_queue=870957, util=99.35%

# int13h @ homepc in ~ [22:31:11]
➜ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randwrite
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64



fio-2.6
Starting 1 process
Jobs: 1 (f=1): [w(1)] [100.0% done] [0KB/295.2MB/0KB /s] [0/75.6K/0 iops] [eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=8524: Sun Mar  6 22:32:16 2016
  write: io=4096.0MB, bw=257020KB/s, iops=64254, runt= 16319msec
  cpu          : usr=13.56%, sys=19.69%, ctx=1028856, majf=0, minf=10
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued    : total=r=0/w=1048576/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=64

Run status group 0 (all jobs):
  WRITE: io=4096.0MB, aggrb=257019KB/s, minb=257019KB/s, maxb=257019KB/s, mint=16319msec, maxt=16319msec

Disk stats (read/write):
  sda: ios=0/1033132, merge=0/2875, ticks=0/1030416, in_queue=1031303, util=99.38%

# int13h @ homepc in ~ [22:32:16]
➜