Re: [Switchfin-devel] MixMonitor on SD Card

[<swi...@li...>]

Hi Dimitar,

As I can see both SD card writing and MixMonitor are taking the CPU. 
Because I've tried:
- MixMonitor with path /persistent/somewhere (Load average is about 3.0 
with 5-6 concurrent calls)
- File moving to SD Card (Voice quality is affected during the writing, 
load average about 2.8 even no voice channel)
- MixMonitor directly to SD card (Load average is more than 3.0 for 4 
concurrent calls)

Let me try with the DMA later today and let you know the result.
Any thing we can do for the MixMonitor?

Really thanks for your help.

Best regards,
Liong Kam Fung


On 21/11/2010 20:12, swi...@li... wrote:
> Hi Liong,
> Which process is taking the CPU. Please measure and let me know.
> In case it is the SD card writting  you can try enabling the DMA.
> In package/uClinux-dist/vendors/Rowetel/IP04/pre_config/ip04.c
> .enable_dma = 0,                // if 1 - block!!!
> modify to 1
> Please report the performance difference.
> Cheers
> Dimitar
>
>     ----- Original Message -----
>     *From:* swi...@li...
>     <mailto:swi...@li...>
>     *To:* swi...@li...
>     <mailto:swi...@li...>
>     *Sent:* Friday, November 19, 2010 10:49 AM
>     *Subject:* Re: [Switchfin-devel] MixMonitor on SD Card
>
>     Hi Dimitar,
>
>     I didn't try with G.729, the loading using G.711 is high enough
>     Also, I've changed the MixMonitor format from wav49 to wav, which
>     lowered the load average.
>
>     Besides, if I change the mixmonitor path to persistent file
>     system, the loading can also be a bit lowered, but persistent file
>     system doesn't have enough memory for my application. I tried also
>     to do recording on persistent file system, then move the file to
>     SD card on hangup, but other channels are affected when one of the
>     channel hangup (due to high loading when moving files to SD card)
>
>     Any idea?
>
>     -- 
>     Best regards,
>     Liong Kam Fung
>
>     On 19/11/2010 16:42, swi...@li... wrote:
>>     Liong,
>>
>>     forgot to ask about the case G729 is used.
>>     What is the load in this case?
>>
>>     Best Regards
>>     Dimitar Penev
>>     SwitchVoice Ltd.
>>     519 Anna Ahmatova Str., Suite 4
>>     1729 Sofia,
>>     Bulgaria
>>     phone: +35924897009 (3)
>>     cell: +359898652775
>>     web:www.switchvoice.com
>>
>>
>>     ----- Original Message -----
>>     From:<swi...@li...>
>>     To:<swi...@li...>
>>     Sent: Thursday, November 18, 2010 4:38 AM
>>     Subject: [Switchfin-devel] MixMonitor on SD Card
>>
>>
>>>     Hi All,
>>>
>>>     I found that doing MixMonitor on SD card will raise the loading very
>>>     much, the load average can reach 3.0 or even higher for only 4-5
>>>     concurrent calls with G.711 codec, any idea we can lowering it?
>>>     Coz when the loading in high, voice quality become very bad
>>>     (echo/disconnection/delay occurs)
>>>
>>>     Besides, Dimitar, could you please put dnsmasq into switchfin? cause I
>>>     finally find out that udhcpd is not good for phone configuration
>>>     provisioning. (sorry it have been a while I didn't touch the phone
>>>     provisioning work, since I was so busy on several projects)
>>>
>>>     -- 
>>>     Best regards,
>>>     Liong Kam Fung
>>>
>>>
>>>
>>>
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>     great
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> ------------------------------------------------------------------------------
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> Spend less time writing and  rewriting code and more time creating great
> experiences on the web. Be a part of the beta today
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