On Tue, 2008-08-26 at 17:21 -0400, Wietse Venema wrote: > Ralf Hildebrandt: > > Simple question: How much RAM does a process actually use? > > But how to find out? There's copy on write, shared libraries, shared > > memory, and whatever. > With Linux, parse /proc/pid/map for each process. This gives you > the memory mapping. Writable mappings are non-shared and count > for each process (this is an over-estimate in case of copy-on-write). > Read-only mappings count only once.
<http://virtualthreads.blogspot.com/2006/02/understanding-memory-usage-on-linux.html> is a good read.
