pmm
Command Function
This command is used to check the usage of the physical pages and page cache of the system memory.
Syntax
pmm
Parameter Description
None
Usage
This command is available only in the Debug version.
Example
Enter pmm.
Output
Figure 1 Viewing the usage of physical pages
Table 1 Output description
|
Parameter
|
Description
|
|
phys_seg
|
Indicates the address of the physical page control block.
|
|
base
|
Indicates the first physical page address, that is, start address of the physical page memory.
|
|
size
|
Indicates the size of the physical page memory.
|
|
free_pages
|
Indicates the number of idle physical pages.
|
|
active anon
|
Indicates the number of active anonymous pages in the page cache.
|
|
inactive anon
|
Indicates the number of inactive anonymous pages in the page cache.
|
|
active file
|
Indicates the number of active file pages in the page cache.
|
|
inactive file
|
Indicates the number of inactive file pages in the page cache.
|
|
pmm pages
|
-
total: indicates the total number of physical pages.
-
used: indicates the number of used physical pages.
-
free: indicates the number of idle physical pages.
|
