Re: [LAU] : jack CPU % is going crazy !

From: Mysth-R <mysthr21@email-addr-hidden>
Date: Sun Apr 06 2008 - 16:12:13 EEST

Hi, and thank you for your answer.

I am actually trying qjackctl 0.2.23 and the problem is the same. So it
should not be a QT problem.
Anyway, I can note that for the same qjackctl config the cpu load percent is
lower on version 0.2.23 (~= 2.5 - 3%) than on the 0.3.2 version (3 - 4.5%).

If someone has anonther Idea ... :)
Cheers,

Mysth-R

2008/4/5, Russell Hanaghan <hanaghan@email-addr-hidden>:
>
> Sounds similar to the issue I spoke of here a week ago.
> If its the latest Qjackctl built with QT4, its a QT4 problem of yet
> to be defined origin. Only difference I had, going by your description,
> was that
> My CPU was running at 99% and staying there.
>
> If you run jack from the command line and see normal Cpu, this
> would point to the same problem.
>
> I have not yeilded a root cause from my Googling. Only some
> similar instances from other users, not only with Qjackctl & Qsynth,
> but also Skype and others built with QT4.
>
> My fix for now was to revert to an older version of qjackctl.
>
> Thanks!
>
>
>
> On Apr 5, 2008, at 10:26 AM, Mysth-R <mysthr21@email-addr-hidden> wrote:
>
> Hello list,
> Since I have installed Gentoo I got some issue with JACK. I am using
> Jackdmp
> When I run qjackctl all is right but the CPU percent, in spite of staying
> around 3 or 4% it is moving : 4% then 3 %, then it passes to 27% then 10%
> and 53% and 4% ...
>
> I don't understand very well what it is going wrong.
> My config : gentoo 64 bits version on a Dell Insprion 9400 Intel Core Duo
> 2 T7200 with 2 Go Ram.
> Firstly I had installed jack 0.109 and the issue was worse that jackdmp
> :sometimes CPU load until 80%
>
> The kernel I use was compiled by my own. Perhpas I forgot an option or
> something...
>
> uname -a :
> 2.6.24-rt1 #4 SMP PREEMPT RT Sun Mar 16 21:42:41:CET 2008 x86_64 Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz GenuineIntel GNU/Linux
>
>
> Thank you very much for your help.
>
> Cheers,
> Mysth-R
>
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Received on Sun Apr 6 20:15:02 2008

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