[vox-tech] command to monitor memory usage

Ken Bloom kbloom at gmail.com
Sun Aug 23 11:19:39 PDT 2009


On Sun, 2009-08-23 at 10:27 -0700, Bill Kendrick wrote:
> On Sun, Aug 23, 2009 at 10:35:18AM -0500, Ken Bloom wrote:
> > AFAIK, because Linux has lots of great ways of sharing physical memory
> > pages between processes, and only loading the parts of libraries that it
> > needs, nothing can tell you how much physical memory space is occupied
> > by a given program.
> 
> Heh, so there are numerous different ways of not getting the precise answer.
> Awesome. ;)

Well, with copy on write pages which live in RAM but are shared by
multiple processes, and unused library code occupies neither swap space
nor physical RAM, is there such a thing as a precise answer?

--Ken


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