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Instruction Guide 128x64 OLED with Song Status and Spectrum Display on Raspberry Pi
I was able to repro with HDMI and Headphone interfaces. CPU utilization on one core slowly increases for the MPD rtio thread which is not normal. Typically this thread will only consume  0.3% - 0.5% of a CPU core as on my earlier 5 hour tests.

I noticed that if nothing is reading the output of the Loopback device the thread reaches ~90% on one core in around 1.5 - 2 hours of playback. If on the other hand the Loopback output is being read for example by arecord, then even after 5 hours the rtio thread is only at ~50% utilization on the core.
Enjoy the Music!
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Messages In This Thread
RE: 128x64 OLED with Song Status and Spectrum Display on Raspberry Pi - by Tim Curtis - 09-24-2022, 07:32 PM
RE: help me - by ghera78 - 02-28-2020, 08:01 AM
RE: help me - by ghera78 - 02-28-2020, 01:17 PM

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