pmap
TLDR
Print memory map for a process
$ pmap 1234
Show the extended format$ pmap -x 1234
Show the device format$ pmap -d 1234
Limit results to a memory address range$ pmap -A low,high 1234
Print memory maps for multiple processes$ pmap 1234 5678
Show all kernel-provided information$ pmap -XX 1234
SYNOPSIS
pmap [options] pid [...]
DESCRIPTION
pmap reports the memory map of a process or processes. It displays how memory is allocated and used by each process, including mapped files, heap, stack, and shared libraries.
PARAMETERS
-x, --extended
Display extended format with additional details-d, --device
Show device format output-q, --quiet
Suppress header and footer lines-A, --range low,high
Restrict results to specified address range-X
Provide additional details beyond -x option-XX
Display all kernel-provided information-p, --show-path
Include full file paths in mapping column-c, --read-rc
Load default configuration-C, --read-rc-from file
Load configuration from specified file-n, --create-rc
Generate new default configuration-N, --create-rc-to file
Generate configuration to specified file
CAVEATS
Exit status 0 indicates success, 1 indicates failure, and 42 means not all requested processes could be found. Memory values are shown in kilobytes by default.
HISTORY
pmap is part of the procps-ng package, providing process filesystem utilities for Linux. It reads information from /proc/[pid]/maps and related files.
