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Как правильно померять скорость обмена по USB интерфейсу


Дранкель
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Можно с помощью Entware

Запись

dd if=/dev/zero of=/opt/tmp/output bs=8k count=10k; rm -f /opt/tmp/output
10240+0 records in
10240+0 records out
83886080 bytes (84 MB) copied, 9.69096 s, 8.7 MB/s

Чтение (с помощью пакет hdparm)

hdparm -Tt /dev/sda

/dev/sda:
 Timing cached reads:   520 MB in  2.01 seconds = 259.33 MB/sec
 Timing buffered disk reads: 122 MB in  3.01 seconds =  40.54 MB/sec

 

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