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pmap -x

Here, x stands for extended. This option displays information in extended format.

Syntax:

Example:

pmap -x 1682

Look at the above snapshot, extended information about memory usage is displayed.

All the fields denote different things.

From left to right,

• Field 1 ? address (Denote start address of map)
• Field 2 ? kbytes (Size of map in kilo bytes)
• Field 3 ? RSS (Resident Set Size in kilo bytes)
• Field 4 ? dirty (Shared and private dirty pages in kilo bytes)
• Field 5 ? mode (Permission on map read, write and execute)
• Field 6 ? mapping (File backing the mao or [anon] for allocated memory or [stack] for the program stack)