this post was submitted on 16 Feb 2025
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How can I tell if my GPU is being utilized properly? (programming.dev)
submitted 1 week ago by zamithal@programming.dev to c/linux_gaming@lemmy.world
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I purchased a system76 Thelio Mira Elite With a AMD Radeon RX 7900 XT. I kinda regret not going with Nvidia at this point but it is what it is. I primarily use it as a developer workstation, but want to play games on it as well so I can be rid of my windows box.

I didn't expect it to be able to play the latest and greatest games but I did expect it to be able to play older titles reasonably well. Games launch from steam and seem to work, but I'm getting between 0 and 10 fps on the title screen of Kerbal Space Program. Other games are similarly functional but poorly performing.

Where do I start? How can I ensure my GPU is being leveraged? Is this as good as it gets?

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[–] grue@lemmy.world 6 points 1 week ago* (last edited 1 week ago)

glxinfo | grep Vendor Vendor: Mesa (0xffffffff)

Yep, you're using software rendering and your extremely fast GPU is sitting there idle. Talk to System76 about enabling the correct driver.

(That was obvious from the initial "0-10 FPS in KSP" symptom, of course -- even my 7-year-old AMD GPU, a Vega 56, can run that game just fine, and I'm pretty sure the AMD GPU I had before that could too.)