Some weird behavior of the perfomance meters

VCV Rack
1

here on a ubuntu after a fresh compiled rack version 2.1.1:

rackperfmeters
rackperfmeters1082×894 374 KB

-0.3% CPU would be great :wink:

I have this issue permanently so to make sure i compiled the newest version from scratch…

What i have found out so far: After a restart of the computer its OK. Then after a while this behavior comes. I don’t know possible causing actions but may be:

Set the performance cpu mode to from ‘demand’ to ‘performance’

– this was my first guess,

but as i have developed modules recently i did not make this setting.

But still after a while the issue comes suddenly.

Next guess: Set Threads to 2 and the back to 1 – not really sure about that.

However,has someone similar issues?

What could be the reason? Thanks.

2

You don’t seem to have an audio device selected. I was under the impression that the engine doesn’t run at a reliable speed without an audio device.

3

does not matter. get the same if selected.

4

Does the rack engine sample rate match the sample rate on your audio device?

5

yes “auto” is selected and it takes the settings of the JACK 2 config 48000HZ, Block size 256. And it works perfect after a reboot for some time.

perf2
perf21211×889 399 KB

6

next time it happens, I’ll restart jack, maybe this helps …

7

It would :slight_smile:

Looks normal here on my macOS/Rack Pro 2.1.1:

image
image698×539 102 KB

8

Works well on windows 11 for me. One “trick” I use is that if the numbers are all super small I might not believe them so I up the sample rate. If you go to 4X rate the CPU usage should go up by more or less that amount.

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