On Tue, 2010-02-02 at 18:32 -0700, John Denker wrote:
<snipped>
>
> The number I'm discussing is the "RES" number reported
> by top(1).
Don't forget this takes into account all the shared libraries and file
caches and
what the operating system will allow as a working set, it's not truly
indicative of
the impact a single process has on the system.
A more interesting portion would be the .bss heap size as this, I would
guess,
be updated a lot and is more fragmented (causing more groups of pages
being
paged in/out). The .text portion is read-only and can be read back in
easily as it
has a consistent usage pattern.
Use the little known pmap command to get better numbers;
pmap <pid> | egrep "(heap)|(private)"
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