Re: cli to track app utilizing CPU

From: Reuben D. Budiardja (techlist_at_voyager.phys.utk.edu)
Date: 02/27/04

  • Next message: a s p a s i a: "Re: cli to track app utilizing CPU" 
    To: redhat-list@redhat.com
Date: Fri, 27 Feb 2004 16:25:19 -0500

    On Friday 27 February 2004 04:07 pm, a s p a s i a wrote:
    > hello,
    >
    > i have 12gig of RAM; checking top i noticed
    > that i only have aroun 500mb fee memory ...
    > though it shows percentage of memory utilized
    > by an app ... is there a CLI that I can use to
    > exactly trace which application or process is
    > using most of my memory, and exactly how much?

    Usually the kernel cache the memory so that it can access it faster. If I am
    not mistaken, "free" and "top" shows the memory left that are not cached. The
    cached memory is not necessarily used by the application (yet).

    If you use "free", the second line that says "-/+ buffers/cache:" shows you
    how much memory is actually use by apps, and how much is cached.

    Someone please correct me if I'm wrong.

    HTH.

    RDB 

    -- 
Reuben D. Budiardja
Department of Physics and Astronomy
The University of Tennessee, Knoxville, TN
---------------------------------------------------------
"To be a nemesis, you have to actively try to destroy 
something, don't you? Really, I'm not out to destroy 
Microsoft. That will just be a completely unintentional 
side effect."
                 - Linus Torvalds -
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