pmm
Command Function
This command is used to check the usage of the physical pages and page cache of the system memory.
Syntax
pmm
Parameters
None
Usage
This command is available only in the Debug version.
Example
Run pmm.
Output
Figure 1 Viewing the usage of physical pages
Table 1 Output
Output
|
Description
|
|---|
phys_seg
|
Address of the physical page control block
|
base
|
First physical page address, that is, start address of the physical page memory
|
size
|
Size of the physical page memory
|
free_pages
|
Number of free physical pages
|
active anon
|
Number of active anonymous pages in the page cache
|
inactive anon
|
Number of inactive anonymous pages in the page cache
|
active file
|
Number of active file pages in the page cache
|
inactive file
|
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 free physical pages.
|