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This article mainly introduces the Linux pmap command how to use the relevant knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe you will have something to gain after reading this Linux pmap command article, let's take a look.

Linux common command pmap command is mainly used to display the address space of the process, in addition to the specified process, if you do not add any options, the pmap command will display the starting address of each memory image of the specified process, the size of virtual memory, the permissions of the process to access the address space, as well as memory mapping files.

Syntax format: pmap [parameters] [process ID]

Common parameters:-x adds a title line, showing the actual physical memory used by each memory image, and additional process information such as the number of pages whose memory has been modified but not yet written to disk-d adds a title line, while displaying the offset value of the memory-mapped file, as well as additional process information such as the primary and secondary device number of the storage device-Q is quiet. Suppress the display of summary information line-V to display the version information of the command, then exit the reference instance to display the address space of bash, and query the overview of each memory image:

[root@linuxcool ~] # pmap 2775 shows the address space of bash for more information:

[root@linuxcool] # pmap-x 2775 this is the end of the article on "how to use the pmap command of Linux". Thank you for reading! I believe you all have a certain understanding of the knowledge of "how to use the pmap command of Linux". If you want to learn more, you are welcome to follow the industry information channel.

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