[Avrora] Memory Usage

[Roy Shea]

Howdy,

>> You can examine the static ROM and RAM required by a program without
>> Avrora.  My current favorite tool for this is a script called
>> module_memory_usage from the old TinyOS 1.x repository:
>>
>> http://tinyos.cvs.sourceforge.net/viewvc/tinyos/tinyos-1.x/contrib/SystemC/scripts/module_memory_usage?revision=1.2&view=markup

> One question: Can I use this script to check the ROM and RAM usage of
> executables (*.elf files) generated in SOS?

I think this should be fine.  I took a quick look at elfs generated by
both a static configuration and a module.  The numbers look reasonable
to me.

One caveat comes to mind after flipping through the script.  I never
got around to really learning Perl (I'm a python kind of guy) but it
looks like the script only looks at the bss|data|text sections.  SOS
configurations (anything other than a module) include a special sos_bls
section for the boot loader.  You may want to revise the script to
include that in its analysis.

Peace,
-Roy