Hi Benny, I think my test was totally wrong ... I did the test using the command "time" and the result was encouraging: real 4m 10.24s user 0m 0.09s sys 0m 11.48s I apologize for the confusion created. Again you solved the problem, you are my idol ..... :-))))) Cheers Cesar 2008/6/16 Benny Prijono <bennylp at pjsip.org>: > On Mon, Jun 16, 2008 at 1:22 PM, C?sar Davi <cesargxn at gmail.com> wrote: >> Hi Benny, >> >> I am developing a SIP gateway of 8 channels. >> I'm using siprtp demo, as is the example that most applies to my case >> (at least I think), since the audio processing is done by an external >> DSP (according to your article - "integrating third party media stack >> with PJSIP), so, the ARM do the treatment of SIP signaling and the DSP >> do audio processing. When I 8 simultaneous calls, the thread SIP to >> consume 96% of power CPU (SIP signaling processing only, without >> audio). > > Here's what I got when running siprtp with 8 calls on an ARM9 180MHz > (AT91SAM9260) platform: > > real 1m17.984s > user 0m2.560s > sys 0m6.910s > > If my calculation is correct that's a ~12% average CPU usage. That's > using latest pjsip and the following configure command: > > ./aconfigure --host=arm-926-linux-gnu CFLAGS='-O3 -msoft-float > -DNDEBUG -mcpu=arm926ej-s -march=armv5te' --disable-floating-point > > So something is wrong in your setup IMO. > > Cheers > Benny > > >> I thank sincerely for their help. >> >> Cesar >> >> Date: Fri, 13 Jun 2008 22:59:17 +0100 >> From: "Benny Prijono" <bennylp@xxxxxxxxx> >> Subject: Re: PJSIP in ARM - CPU consumption >> To: "pjsip list" <pjsip at lists.pjsip.org> >> Message-ID: >> <1879720d0806131459w65e5f582y72f5dc9ad1aed24a at mail.gmail.com> >> Content-Type: text/plain; charset=ISO-8859-1 >> >> On Fri, Jun 13, 2008 at 9:11 PM, C?sar Davi <cesargxn at gmail.com> wrote: >>> Hi All, >>> >>> I wonder if anyone has used the PJSIP in an embedded environment, with >>> low requirements of memory and processing power (something around >>> 200Mhz). For what I have seen the stack is behaving well in desktop, >>> but I have not seen much discussion on embedded environments. I >> >> Really? This list has been running long enough long enough (more than >> 3 years now) and I've heard many discussions about embedded use of >> pjsip. About CPU requirement, I know for sure people who have >> production hardware running pjsip on a 20 MHz MIPS (can't name them >> for political reason unfortunately). And don't forget about mobile >> devices as well, which from device capability is not dissimilar from >> embedded. So I don't see any problems with this. It's just a matter >> of configuring it correctly, and of course we all know this is never >> straightforward with any embedded developments. >> >>> personally have faced some problems regarding the performance in an >>> application using ARM9 and may be forced to abandon the use of PJSIP >>> in my project. >>> >> >> What is your expectation anyway? If you expect to run 8 simulteneous >> speex calls on your 200MHz ARM9 then probably it will never happen. >> And as I told you, siprtp is thread based so this probably is not the >> ideal approach for your development. And why are you using siprtp to >> measure up pjsip. What are you trying to do in the first place? >> >> I'm just saying that there are plenty of options with pjsip. There are >> plenty of features. And each features come with their own cost (CPU, >> memory) of course. So it's always a matter of choosing the right >> feature to have, to fit in the capability of the device. And you >> haven't explained what you're trying to do, so we can't give good >> suggestions for now. >> >> Of course nobody forces anybody to use pjsip. There are plenty of >> other choices. It's just a pity if you have to abandon pjsip based on >> wrong experimentation. >> >> Cheers >> Benny >> >
