Re: [As-users] AfterStep using 100% CPU when playing music

Nathan 'Vaevictus' Mahon (as_ml@vaevictus.net)
Wed, 01 Aug 2007 13:10:24 -0400


Hey Volker:
How much CPU/RAM do you have?

I'm wondering if this isn't a swapping issue, or a critical backlog issue.

or something along those lines.

n8

Volker Ossenkopf wrote:
> Dear all,
>
>   
>> The bulk of my played music is MP3 or WAV.  Is there a particular format 
>> that seems to be affected more than others?  Does this happen with  
>> AfterStep and no other applications open?  Is this playing from a list? 
>> Or are you loading the tunes one at a time?
>>     
>
> I didn't do any debugging, but I noticed that the problem was the same
> or even worse on my system (Debian etch with afterstep 2.2.6) while
> opening a particular website that updated the window title every
> second.
>
> This gives an easy way of testing the problem completely independent
> from xmms:
> I ran xterm and within the xterm-bash the loop:
> ossk@hevelius: while (true); do echo -n "^[]0;`date`^G"; sleep 1; done
> (^[ is the character for escape and ^G the character for bell)
> This updates the xterm window every second. In this way one can easily
> time the problem:
> After about 8 minutes I notice the first increase in the afterstep
> load (6%), after 16 minutes, I am at about 20%, after 24 minutes
> I am at 30%, after 32 minutes 45%.
> The load drops immediately to zero when I stop the loop in the xterm,
> so that the title is no longer updated.
>
> The delayed behaviour seems to indicate a memory management problem
> for the structure containing the window titles. This might explain,
> why the problem does not seem to occur on all systems using afterstep,
> but may depend on an underlying library.
>
> I don't want to make further guessing about the cause here, but hope
> that this gives at least some additional information.
>
> Cheers
> 	Volker
>   

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