opengl and drm on a pi 3b?
eric at anholt.net
Thu Mar 16 17:55:44 UTC 2017
Gene Heskett <gheskett at shentel.net> writes:
> Hello all, been a while since I rang your doorbell, greetings from West
> I am in the process of converting an old lathe to cnc, and using a pi 3b
> as the driver.
> Doing some work on the configuration today, I got curious to see if the
> features I was adding to the configuration were pushing the poor pi to
> the point of exhaustion. Firing up htop, the various bits and pieces
> that together make up linuxcnc, were a total of about 4 or 5% of the cpu
> load. Compton, the x compositor, was burning something in the region of
> 165%, or a little over 1.5 of its 4 cores. It was also a few megabytes
> into swap, so I rebooted it, after which compton was only using perhaps
> 35% of one core.
That sounds like you're running your compositor in software rendering.
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