[LAU] Again: JACK using too much CPU after a while

Karen Lewellen klewellen at shellworld.net
Wed Aug 24 22:06:13 UTC 2016


sorry wrong email!


On Wed, 24 Aug 2016, Karen Lewellen wrote:

> ...and you were never in trouble!
>
>
> On Wed, 24 Aug 2016, Ffanci Silvain wrote:
>
>>  Hey hey everyone,
>>  I've looked more into this problem and found that JACK will start by using
>>  between one and two percent of the CPU, but will gradually require more.
>>  After a day JACK's CPU usage stands at about 65-85%.
>>
>>  Usage: currently only mpv (multimedia player, completely shut down after
>>  every use). No persisting audio connections, no other realtime and CPU
>>  hungry applications.
>>
>>  JACK Version: 0.121.3
>>  Kernel Version: 3.9.0-rc6 SMP PREEMPT
>>  CPU scheduling/scaling_governor: powersave
>>  CPU setting: 800MHz single-core (of a 3GHz quadcore)
>>  Underlying soundcard device: ALSA multi with two MAudio Delta 1010 LT
>>  cards, sync'ed via S/PDIF.
>>  JACK commandline:
>>  jackd --timeout 4500 -R -d alsa -C cdelta -P pdelta -r 48000 -p 256 -z
>>  shaped
>>  short-time load average: 0.47 (decreasing for longer periods).
>>
>>  If more information or experimentation, to identify the issue, is
>>  necessary, please let me know.
>>
>>  Thank you for any help and hints in the right direction.
>>
>>  Ta-ta,
>>  ----
>>  Ffanci
>>  * Homepage: https://freeshell.de/~silvain
>>  * Twitter:  http://twitter.com/ffanci_silvain
>>  * GitHub:   https://github.com/fsilvain
>>  _______________________________________________
>>  Linux-audio-user mailing list
>>  Linux-audio-user at lists.linuxaudio.org
>>  http://lists.linuxaudio.org/listinfo/linux-audio-user
>> 
>> 
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