@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