Re: Free memory, include "cached"?

[Matthias Kaehlcke <matthias@xxxxxxxxxxxx>]

El Tue, Oct 14, 2008 at 02:14:46PM +0200 Gregoire Banderet ha dit:

> anubhav rakshit wrote:
> >> I have to report the amount of FreeMem on my embedded system. The rootfs
> >> is in RAM. I use /proc/meminfo.
> >> I started by doing : freemem = MemFree + Buffers + Cached
> >> But I realized (tell me if I'm wrong) that my rootfs filesystems is
> >> counted in "Cached".
> >> Part of the memory in "Cached" can be allocated, so I should add it as
> >> Free Memory, but part of it is my rootfs (i.e. really used).
> >> How should I compute freemem ?
> > Have you tried the free command.
> 
> Yes. What I need is to know which part of "Cached" is used for RAMFS.

to know the size of your ramfs you may execute the following command:

du -hx -d 0 /

-- 
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona

                       El camino se hace al andar
                           (Antonio Machado)
                                                                 .''`.
    using free software / Debian GNU/Linux | http://debian.org  : :'  :
                                                                `. `'`
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