Re: jackd cpu usage when idle?

"Peter P." <peterparker-97jfqw80gc5Wk0Htik3J/[email protected]> Mon, 8 Jun 2026 14:08:35 +0200
Newsgroups gmane.linux.audio.users
Message-ID <hui326ypvlj2qxg4pstgnyyncjktcixy6hfj75otw4ohhsexur@jqtc57ke6pxv>
* Peter P. <peterparker-97jfqw80gc5Wk0Htik3J/[email protected]> [2026-06-08 12:18]:
> Hi list,
> 
> 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.
Please excuse me not providing the additional information that htop lists
	irq/23-ehci_hcd:usb2
as the command that uses cpu keeping the fan on, and whose cpu usage drops
when quitting jackd, permitting the fan to stop.

cheersz, Peter