eero.tamminen at nokia
Feb 28, 2011, 3:27 AM
Post #2 of 2
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Hi,
On 07/17/2010 08:03 AM, ext rixed [at] happyleptic wrote:
> Hello !
>
> I periodically run memstat on the N900 to check for apps that
> could leak memory (in order to find a culprit for some
> unresponsiveness issue), and I'm surprised to discover that
> every time pulse audio is the process that uses the most memory.
> See for instance here :
>
> memstat -w | grep pulseaudio
>
> 75848k: PID 768 (/usr/bin/pulseaudio)
> 72k( 68k): /usr/bin/pulseaudio 768
>
> So the text of the binary itself is rather small (libs are counted separately),
> but the heap is 75M while the device is idle and not outputing anything.
Are you sure it's heap and not e.g. (almost completely unused)
thread stacks?
- Eero
> Is it normal ?
> Out of curiosity, what's the purpose of all this ram when idle ?
> does pulseaudio keep some huge precalc datas of some sort ?
> If not, wouldn't be better to just discard this RAM when its no more needed,
> in order to prevent swapping, which is quite slow ?
>
> What do you think ?
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