What does `Kbytes RSS Dirty` mean for pmap?

output of pmap:

Address           Kbytes     RSS   Dirty Mode   Mapping
00000000006b4000      60      16      16 rw---    [ anon ]

What's it saying ?


From man:

  • Address: start address of map
  • Kbytes: size of map in kilobytes
  • RSS: resident set size in kilobytes
  • Dirty: dirty pages (both shared and private) in kilobytes
  • Mode: permissions on map: read, write, execute, shared, private (copy on write)
  • Mapping: file backing the map, or '[ anon ]' for allocated memory, or '[ stack ]' for the program stack

Here pamp specifics ... http://www.cyberciti.biz/tips/howto-find-memory-used-by-program.html

http://linux.101hacks.com/unix/pmap/

Check here: https://stackoverflow.com/questions/118307/a-way-to-determine-a-processs-real-memory-usage-i-e-private-dirty-rss It explains what RSS and Dirty seems to be ...