function::proc_mem_shr - Linux
Overview
proc_mem_shr
is a Linux command that displays the shared memory statistics for a given process. It provides information about the amount of virtual memory that a process is sharing with other processes. This information can be useful for understanding how a process is using system resources and for diagnosing performance issues.
Syntax
proc_mem_shr [--help] [--version] [--fields <columns>] <pid> [<pid> ...]
Options/Flags
--fields <columns>
: Specify the columns to be displayed in the output. Valid columns include:pid
– Process IDvss
– Virtual Shared Size in kBrss
– Resident Shared Size in kBshared_clean
– Shared Clean pages in kBshared_dirty
– Shared Dirty pages in kBtotal_vm
– Total Virtual Memory in kBtotal_rss
– Total Resident Set Size in kB
--help
: Display help information--version
: Display version information
Examples
To display the shared memory statistics for the current process:
proc_mem_shr $$
To display specific columns for the current process:
proc_mem_shr --fields vss rss $$
To display the shared memory statistics for multiple processes:
proc_mem_shr 12345 56789
Common Issues
If you encounter an error message stating that proc_mem_shr
is not recognized, it may not be installed on your system. Install the procps
package to resolve this issue.
Integration
proc_mem_shr
can be combined with other Linux commands to gain a more comprehensive understanding of a process’s resource usage. For example, you can use the command in conjunction with ps
to see how a process’s shared memory usage compares to its overall memory usage:
ps aux | grep <process_name> | proc_mem_shr