[maemo-users] Reducing N900 RAM usage

From: Eero Tamminen eero.tamminen at nokia.com
Date: Mon Mar 19 11:21:23 EET 2012

On 03/18/2012 04:07 AM, ext Jan Knutar wrote:
> On Wednesday 07 March 2012, Paul Hartman wrote:
>> A freshly-flashed N900 is so much faster and more responsive compared
>> to my N900 with all my favorite apps installed, mail accounts, MfE,
>> chat accounts, themes, status bar widgets, and so on. I'm guessing
>> these things all have a negative impact...
>> Has anyone done a study into the impact of these various things and
>> RAM usage? For example how much RAM can I spare if I don't use Modest
>> at all, or don't use chat accounts, etc. allowing me to weigh the
>>   cost vs. benefit of using these features.
> IIRC, Skype when I used it seemed to be about 5-10Meg impact on RSS.
> In general, I'd imagine having any QT widgets would add 10-20M use. Not
> so sure myself, I stopped using widgets entirely, not enough ram for
> luxuries :)

You can use sp-endurance to measure and visualize usage of all system 

I would recommend getting the latest version from here:

And the debian packaging from maemo-packaging branch and remove
the Harmattan specific "aegis" stuff from the debian/control file
before building the package.

The latest version has pretty nice graphing utilities.

Instructions on the use are here:


They're about the same as for N900:

Except for the new endurance_plot utility which generates the nice 
graphs with gnuplot.

	- Eero
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