[Mesa-dev] [Bug 87886] constant fps drops with Intel and Radeon

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87886

--- Comment #21 from Stéphane Travostino <stephane.travostino at gmail.com> ---
(In reply to Hohahiu from comment #19)
> Maybe a wild guess, but what are the temperatures of the GPUs in your
> laptop? Is this an overheating issue?

No, but GOOD NEWS i've managed to reproduce the same problem with glxgears +
RADEON.

Here's a self-explanatory screenshot with Gallium FPS HUD enabled:

https://dl.dropboxusercontent.com/u/64733/Screenshot%20from%202015-01-20%2020%3A25%3A42.png

I'm trying to reproduce the same thing with Intel, but it's V-synced and can't
manage to have it run more than 59 FPS.

One bizarre thing I've noticed is that no matter the complexity of the game the
fan speed is relatively slow compared to Windows, where any AAA game makes my
laptop sound like a jet engine. I'd empirically say it's running at 50%, where
0% is normal operation and 100% is jet-fighter loud.

Hope this helps.

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