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| sudo su - apt-get install -y libaio-dev git clone -b fio-3.13 git://git.kernel.dk/fio.git cd fio ./configure && make && sudo make install cd .. |
| fio --size=30m --numjobs=4 --iodepth=8 --time_based --runtime=60 --overwrite=1 --ioengine=libaio --bs=4k --group_reporting --direct=1 --name=test --rw=read |
| fio --size=30m --numjobs=4 --iodepth=8 --time_based --runtime=60 --overwrite=1 --ioengine=libaio --bs=4k --group_reporting --direct=1 --name=test --rw=write |
| fio --size=30m --numjobs=4 --iodepth=8 --time_based --runtime=60 --overwrite=1 --ioengine=libaio --bs=4k --group_reporting --direct=1 --name=test --rw=randread |
| fio --size=30m --numjobs=4 --iodepth=8 --time_based --runtime=60 --overwrite=1 --ioengine=libaio --bs=4k --group_reporting --direct=1 --name=test --rw=randwrite |
| 項目 | 説明 |
| --size | ファイルサイズ |
| --numjobs | 平行実行数 4コアで4なら全コアを使用する |
| --iodepth | I/O非同期の場合に、どの程度キューイングするか？ ※詳細は不明 |
| --time_based | 指定した場合、指定秒になるまで繰り返す ※runtimeの時間まで繰り返させる指定 |
| --runtime | 指定秒に到達するまで繰り返す （60の場合、60秒で終了する） |
| --overwrite | ファイルを上書きするか否か （1=する/0=しない） |
| --ioengine | I/Oのモードを指定するが、種類が多い。 詳細はman等を参照すると良い （manでは37個・・） libaioはLinuxネイティブ非同期の意味 |
| --bs | ブロックサイズ |
| --group_reporting | 結果をグループ化させる |
| --direct | I/O engineと使用？ （詳細不明） |
| --name=test | ジョブ名 |
| --rw | read：シーケンシャルリード write：シーケンシャルライト randread：ランダムリード randwrite：ランダムライト ※rw,readwrite（シーケンシャルR/W）やrandrw（ランダムR/W）でも可能 |
| fio-3.13 Starting 4 processes Jobs: 4 (f=4): [R(4)][100.0%][r=18.6MiB/s][r=4752 IOPS][eta 00m:00s] test: (groupid=0, jobs=4): err= 0: pid=5689: Thu May 16 22:52:20 2019 read: IOPS=4741, BW=18.5MiB/s (19.4MB/s)(1112MiB/60006msec) slat (usec): min=8, max=2196, avg=22.69, stdev= 9.00 clat (usec): min=2206, max=30049, avg=6712.97, stdev=462.79 lat (usec): min=2233, max=30072, avg=6737.97, stdev=462.81 clat percentiles (usec): | 1.00th=[ 6521], 5.00th=[ 6652], 10.00th=[ 6652], 20.00th=[ 6652], | 30.00th=[ 6652], 40.00th=[ 6652], 50.00th=[ 6718], 60.00th=[ 6718], | 70.00th=[ 6718], 80.00th=[ 6718], 90.00th=[ 6718], 95.00th=[ 6783], | 99.00th=[ 6849], 99.50th=[ 7177], 99.90th=[ 9241], 99.95th=[14877], | 99.99th=[30016] bw ( KiB/s): min=17975, max=19500, per=99.97%, avg=18962.08, stdev=48.56, sa mples=480 iops : min= 4493, max= 4874, avg=4740.28, stdev=12.16, samples=480 lat (msec) : 4=0.01%, 10=99.90%, 20=0.06%, 50=0.03% cpu : usr=1.66%, sys=3.32%, ctx=36252, majf=0, minf=120 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=100.0%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=284544,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=8 Run status group 0 (all jobs): READ: bw=18.5MiB/s (19.4MB/s), 18.5MiB/s-18.5MiB/s (19.4MB/s-19.4MB/s), io=11 12MiB (1165MB), run=60006-60006msec Disk stats (read/write): mmcblk0: ios=35488/5, merge=248444/1, ticks=238090/130, in_queue=238190, util= 99.90% |
| fio-3.13 Starting 4 processes Jobs: 4 (f=4): [W(4)][100.0%][w=5061KiB/s][w=1265 IOPS][eta 00m:00s] test: (groupid=0, jobs=4): err= 0: pid=5705: Thu May 16 22:55:15 2019 write: IOPS=1278, BW=5113KiB/s (5235kB/s)(300MiB/60021msec) slat (usec): min=10, max=82090, avg=48.32, stdev=828.34 clat (msec): min=3, max=103, avg=24.97, stdev=14.11 lat (msec): min=3, max=119, avg=25.02, stdev=14.14 clat percentiles (msec): | 1.00th=[ 13], 5.00th=[ 14], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 19], 40.00th=[ 19], 50.00th=[ 21], 60.00th=[ 24], | 70.00th=[ 24], 80.00th=[ 29], 90.00th=[ 54], 95.00th=[ 63], | 99.00th=[ 69], 99.50th=[ 73], 99.90th=[ 91], 99.95th=[ 96], | 99.99th=[ 102] bw ( KiB/s): min= 3296, max= 6400, per=100.00%, avg=5111.85, stdev=126.49, samples=480 iops : min= 824, max= 1600, avg=1277.92, stdev=31.62, samples=480 lat (msec) : 4=0.01%, 10=0.07%, 20=49.02%, 50=39.91%, 100=10.97% lat (msec) : 250=0.02% cpu : usr=0.51%, sys=1.11%, ctx=9801, majf=0, minf=91 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=100.0%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,76718,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=8 Run status group 0 (all jobs): WRITE: bw=5113KiB/s (5235kB/s), 5113KiB/s-5113KiB/s (5235kB/s-5235kB/s), io=300MiB (314MB), run=60021-60021msec Disk stats (read/write): mmcblk0: ios=0/9590, merge=0/66964, ticks=0/238670, in_queue=238780, util=99.88% |
| fio-3.13 Starting 4 processes Jobs: 4 (f=4): [r(4)][100.0%][r=9181KiB/s][r=2295 IOPS][eta 00m:00s] test: (groupid=0, jobs=4): err= 0: pid=5715: Thu May 16 22:58:12 2019 read: IOPS=2299, BW=9199KiB/s (9419kB/s)(539MiB/60014msec) slat (usec): min=10, max=1116, avg=31.78, stdev= 8.23 clat (usec): min=1000, max=126104, avg=13864.99, stdev=8253.40 lat (usec): min=1016, max=126137, avg=13899.28, stdev=8253.23 clat percentiles (usec): | 1.00th=[ 1532], 5.00th=[ 1696], 10.00th=[ 2114], 20.00th=[ 2999], | 30.00th=[13173], 40.00th=[15270], 50.00th=[16319], 60.00th=[17171], | 70.00th=[17957], 80.00th=[18744], 90.00th=[20055], 95.00th=[21627], | 99.00th=[36963], 99.50th=[50070], 99.90th=[65799], 99.95th=[69731], | 99.99th=[86508] bw ( KiB/s): min= 7960, max=10544, per=100.00%, avg=9197.55, stdev=118.21, samples=480 iops : min= 1990, max= 2636, avg=2299.23, stdev=29.55, samples=480 lat (msec) : 2=7.58%, 4=18.21%, 10=1.83%, 20=61.15%, 50=10.75% lat (msec) : 100=0.48%, 250=0.01% cpu : usr=1.11%, sys=2.89%, ctx=136811, majf=0, minf=112 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=100.0%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=138012,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=8 Run status group 0 (all jobs): READ: bw=9199KiB/s (9419kB/s), 9199KiB/s-9199KiB/s (9419kB/s-9419kB/s), io=539MiB (565MB), run=60014-60014msec Disk stats (read/write): mmcblk0: ios=136085/5, merge=1601/1, ticks=1890700/120, in_queue=1890800, util=99.88% |
| fio-3.13 Starting 4 processes Jobs: 4 (f=4): [w(4)][100.0%][w=4000KiB/s][w=1000 IOPS][eta 00m:00s] test: (groupid=0, jobs=4): err= 0: pid=5725: Thu May 16 23:02:00 2019 write: IOPS=201, BW=806KiB/s (826kB/s)(47.3MiB/60037msec) slat (usec): min=15, max=1270.6k, avg=1179.63, stdev=29598.96 clat (usec): min=1925, max=5289.5k, avg=157528.59, stdev=452824.16 lat (usec): min=1964, max=5289.5k, avg=158710.84, stdev=456105.58 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 8], | 30.00th=[ 32], 40.00th=[ 37], 50.00th=[ 40], 60.00th=[ 43], | 70.00th=[ 46], 80.00th=[ 55], 90.00th=[ 165], 95.00th=[ 1368], | 99.00th=[ 2165], 99.50th=[ 2635], 99.90th=[ 3608], 99.95th=[ 4665], | 99.99th=[ 5201] bw ( KiB/s): min= 31, max= 4656, per=100.00%, avg=1256.50, stdev=415.49, samples=307 iops : min= 7, max= 1164, avg=313.99, stdev=103.89, samples=307 lat (msec) : 2=0.01%, 4=7.68%, 10=17.71%, 20=1.83%, 50=49.38% lat (msec) : 100=11.96%, 250=2.64%, 500=1.07%, 750=0.74%, 1000=0.90% cpu : usr=0.15%, sys=0.27%, ctx=11992, majf=0, minf=89 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=99.8%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,12102,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=8 Run status group 0 (all jobs): WRITE: bw=806KiB/s (826kB/s), 806KiB/s-806KiB/s (826kB/s-826kB/s), io=47.3MiB (49.6MB), run=60037-60037msec Disk stats (read/write): mmcblk0: ios=0/11948, merge=0/42, ticks=0/1857500, in_queue=1858100, util=99.88% |
| 項目 | スループット(MB/s) | スループット(KB/s) |
| Seq_Read | 19.4 | 19400 |
| Seq_Write | 5.2 | 5235 |
| Random_read | 9.4 | 9419 |
| Random_write | 0.8 | 826 |