Re: [Motion-user] Reduce CPU Load

[Kinney B. <bau...@ap...>]

On 01/27/2013 10:14 AM, C.T. wrote:
> Silly question maybe here, but have you used a server OS for that? 
> They tend to reduce overhead
Good point.

You might consider Arch, my favorite distro.  Don't install X.  That 
takes away quite a bit of CPU overhead right there.  That's what I use 
on my Raspberry Pi which has about the same amount of horsepower as your 
miniserver has.

Tweaking motion is one of the final steps I in my quest to get the Pi 
running as my home mini-server, similar to what you're doing. That's why 
I'm following this thread with interest.  Wish I could say more about 
the tweaking of motion, though.


>
> Le 2013-01-27 à 04:15, Fabio Cecamore a écrit :
>
>> I'm sorry if I wasn't so clear in my  goals.
>> I'll try to explain this better:
>> I've a miniserver with slow CPU (just 1.5ghz) that i'm using for 
>> stream files via samba or dlna, for dvb-t recording and p2p 
>> downloading (amule adunanza and torrent).
>> The problem is this computer has all time an high % of CPU usage, 
>> adding motion I get often 100%..
>> *
>> *I want to know if is possible reduce CPU usage only during the "not 
>> recording time", I mean when it is in Idle, for example by reducing 
>> fps while idle and increase to max when recording..
>>
>> Is all this possible ?*
>> *Thanks
>>
>>> Well if it truly is a CPU resource problem the easiest way is to "nice"
>>> the motion process at startup. ie the shell script that launches motion
>>> has the word "nice" before the motion command. You can arrange all your
>>> processes in terms of the need for real time processing too. The dvb
>>> recorder probably needs the highest priority for example.
>> I'm using yet nice to get maximum priority during dvb-t recording :) 
>> but thanks
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