Ubuntu Disk speed Test

大法师

root@coolpi:/home/ubuntu# lsblk 
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda      8:0    0 223.6G  0 disk 
├─sda1   8:1    0   300M  0 part 
└─sda2   8:2    0 223.3G  0 part /
zram0  254:0    0     0B  0 disk 
root@coolpi:/home/ubuntu#
root@coolpi:/home/ubuntu# parted /dev/sda print
型号：ATA KINGSTON SA400S3 (scsi)
磁盘 /dev/sda: 240GB
扇区大小 (逻辑/物理)：512B/512B
分区表：msdos
磁盘标志：

编号  起始点  结束点  大小   类型     文件系统  标志
 1    1049kB  316MB   315MB  primary  fat32
 2    316MB   240GB   240GB  primary  ext4

root@coolpi:/home/ubuntu#
root@coolpi:/home/ubuntu# hdparm -t --direct /dev/sda

/dev/sda:
 Timing O_DIRECT disk reads: 610 MB in  3.00 seconds = 203.18 MB/sec
root@coolpi:/home/ubuntu#

jack_admin

@大法师 Debian11 test emmc speed

root@coolpi:/home/coolpi# hdparm -t --direct /dev/mmcblk0

/dev/mmcblk0:
 Timing O_DIRECT disk reads: 456 MB in  3.00 seconds = 151.88 MB/sec

cpu with performance mode test:
root@coolpi:/home/coolpi# hdparm -t --direct /dev/mmcblk0

/dev/mmcblk0:
 Timing O_DIRECT disk reads: 738 MB in  3.00 seconds = 245.67 MB/sec