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Xiaobian to share with you the use of linux vmstat command to display virtual memory status, I believe most people do not know how, so share this article for everyone to learn, I hope you read this article after the harvest, let us go to learn the method!

The vmstat command is meant to display virtual memory status ("Virtual Memory Statistics"), but it can report overall system health status about processes, memory, I/O, and so on.

Syntax format: vmstat [parameter]

Common parameters:

-a Display active inner pages-f Display total number of processes created since startup-m Display slab information-n Header information displayed only once-s Display event counters and memory status as tables-d Report disk status-p Display specified hard disk partition status-S Units of output information

Reference Example

Display Activity Inside Page:

[root@linuxcool ~]# vmstat -a

Displays the total number of processes created after startup:

[root@linuxcool ~]# vmstat -f

Display slab information:

[root@linuxcool ~]# vmstat -m

The header information is displayed only once:

[root@linuxcool ~]# vmstat -n

Display event counters and memory status in tabular format:

[root@linuxcool ~]# vmstat -s

Displays the status of the specified hard disk partition:

[root@linuxcool ~]# vmstat -p /dev/sda1

Specifies that status information is refreshed at intervals of 1 second:

[root@linuxcool ~]# vmstat 1 The above is all about using the Linux vmstat command to display virtual memory status. Thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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