[Jack-Devel] How to profile jack cpu load?

Joakim Hernberg jhernberg at alchemy.lu
Sun Jul 8 01:41:50 CEST 2018

You have to rebuild JACK2 with the --profiling option.

It's also a fixed buffer, so it only works for a while after starting
the server.

You can get nice graphs for the results too, see:

On Sat, 7 Jul 2018 10:56:21 -0700 (MST)
oleg68 <osamarin68 at gmail.com> wrote:

> Hello.
> I use jackd with some music applications and patchbay. After some
> time after starting the jack cpu load (according to QJackCtl) becomes
> 100%, the last sound (or silence) pins and no more sound appearrs.
> I'd like to investigate this situation and to find, which jack client
> application consumes CPU. Looking at the jack sourcecode I found
> JackEngineProfiling hich seams makes some measuring. But I could not
> find how to use this feature?
> Ho can I search the distinct CPU load by each jack client application?
> --
> Sent from: http://jack-audio.10948.n7.nabble.com/Jackit-f3.html
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