UIO-4040
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Revision as of 06:54, 1 August 2024 by Jems.cheng (talk | contribs)
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TEST Disk WRITE Speed
$ sync; dd if=/dev/zero of=/dev/sda1 bs=1M count=1024; sync 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 3.28696 s, '''327 MB/s'''
TEST Disk READ Speed
$ dd if=/dev/sda1 of=/dev/null bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 0.159273 s, '''6.7 GB/s'''
TEST Disk WRITE Speed
$ sync; dd if=/dev/zero of=/dev/sda1 bs=1M count=1024; sync 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 3.28696 s, '''327 MB/s'''
TEST Disk READ Speed
$ dd if=/dev/sda1 of=/dev/null bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 0.159273 s, '''6.7 GB/s'''
TEST Disk WRITE Speed
root@linaro-alip:~# sync; dd if=/dev/zero of=/dev/sda1 bs=1M count=1024; sync 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB, 1.0 GiB) copied, 34.7177 s, 30.9 MB/s
TEST Disk READ Speed
root@linaro-alip:~# dd if=/dev/sda1 of=/dev/null bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB, 1.0 GiB) copied, 30.8573 s, 34.8 MB/s
1 | SSD |
Disk /dev/sda: 119.24 GiB, 128035676160 bytes, 250069680 sectors |
2 | EEPROM | # echo -n $'\x06\x05\x04\x03\x02\x01' > /data/test1 # dd if=/data/test1 of=/sys/bus/i2c/devices/3-0050/eeprom # dd if=/sys/bus/i2c/devices/3-0050/eeprom of=/data/test2 conv=fsync |