代码: 全选
user@debian:/sys/block/zram0/queue$ cat ../../zram0/queue/iostats
0
user@debian:/sys/block/zram0/queue$ cat ../../sda/queue/iostats
cat: ../../sda/queue/iostats: No such file or directory
user@debian:/sys/block/zram0/queue$ realpath ../../
/sys/devices/virtual/block
user@debian:/sys/block/zram0/queue$ ls -l /sys/devices/virtual/block
total 0
drwxr-xr-x 9 root root 0 Aug 30 23:31 dm-0
drwxr-xr-x 9 root root 0 Aug 30 23:31 dm-1
drwxr-xr-x 10 root root 0 Aug 30 23:31 loop0
drwxr-xr-x 10 root root 0 Aug 30 23:31 loop1
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop2
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop3
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop4
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop5
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop6
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop7
drwxr-xr-x 8 root root 0 Aug 30 23:31 zram0
user@debian:/sys/block/zram0/queue$ ls -l ../../
total 0
drwxr-xr-x 9 root root 0 Aug 30 23:31 dm-0
drwxr-xr-x 9 root root 0 Aug 30 23:31 dm-1
drwxr-xr-x 10 root root 0 Aug 30 23:31 loop0
drwxr-xr-x 10 root root 0 Aug 30 23:31 loop1
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop2
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop3
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop4
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop5
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop6
drwxr-xr-x 9 root root 0 Aug 30 23:31 loop7
drwxr-xr-x 8 root root 0 Aug 30 23:31 zram0
user@debian:/sys/block/zram0/queue$ cd ../../
user@debian:/sys/block$ ls
dm-0 dm-1 loop0 loop1 loop2 loop3 loop4 loop5 loop6 loop7 sda sr0 zram0