Why does XMMS2 use so much CPU

Erik Massop edited this page Nov 4, 2017 · 1 revision

"xmms2d uses N% cpu, whereas $otherplayer just uses M%"

This page should be fleshed out to a real guide on how to debug these things.

insert info here about how to

  • output plugin issues?
    • Does it happen with "null" output plugin?
    • Only happens with alsa? Try setting bare hw as device ("xmms2 config alsa.device hw:0" or similar)
  • look at chain (effects, converter).
  • compilation with -O2/-Os (+ add reasoning why it isn't default)
  • make sure medialib indexer isn't running
  • compare with madplay / mpg123 (+ reasoning with int/float)
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