立你斯學習記錄

使用 hdparm

pi@raspberrypi ~ $ sudo apt-get install hdparm
pi@raspberrypi ~ $
pi@raspberrypi ~ $ sudo hdparm -tT /dev/mmcblk0/dev/mmcblk0:
Timing cached reads: 104 MB in 2.01 seconds = 51.67 MB/sec
Timing buffered disk reads: 58 MB in 3.03 seconds = 19.12 MB/sec
pi@raspberrypi ~ $ sudo hdparm -tT /dev/mmcblk0/dev/mmcblk0:
Timing cached reads: 188 MB in 2.03 seconds = 92.76 MB/sec
Timing buffered disk reads: 60 MB in 3.03 seconds = 19.83 MB/sec
pi@raspberrypi ~ $

使用DD

參考網址

http://blog.bones-embedded.ch/simple-speed-tests-of-sd-card-and-ram-on-embedded-linux/

http://marks-space.com/2012/12/27/how-to-test-the-sd-card-speed-on-your-raspberry-pi/