Re: jackd cpu usage when idle?

On Mon, 8 Jun 2026 14:17:52 +0200
Fons Adriaensen <[email protected]> wrote:

>On Mon, Jun 08, 2026 at 12:18:58PM +0200, Peter P. wrote:
>
>> I am wondering why jackd does consume CPU cycles when idle, that is when
>> no software is accessing it, and hence keeps my laptop's fan spinning
>> the whole day. I can work around it by setting a rather high latency,
>> but am wondering what keeps it busy in general.  
>
>I've got jackd and three of four apps using it all the time.
>That takes 0.6% of one CPU, on a 12 year old machine.
>
>Whatever is keeping you fan spinning very probably isn't jackd.

Here, running mate-system-monitor shows jackd at idle is taking between 1% and
2%. That's on a dual core intel machine running at 3.1GHz that's about 8 years
old.

I always use that program to check if anything is being greedy as it shows
everything that's running - including itself!

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Will J Godfrey
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