[alsa-devel] Testing/forcing XRUN
linux at audioscience.com
Fri Jun 8 07:59:05 CEST 2007
I want to test my driver behaviour when an xrun happens.
I have tried using aplay/arecord, and suspending (ctrl-Z) them while
playing/recording but this doesn't have the desired effect. (I don't see my
driver code detecting an xrun). Instead I see a trigger-stop command to the
The apps do report an overrun when they are restarted though.
Can anyone answer these:
1) Is this a valid way to simulate an xrun due to application not keeping up?
1.1) If not, what is? Do I have to write an app that deliberately starves the
2) Where is the xrun being detected if my driver doesnt see it? Where does
the trigger-stop command come from when I suspend the app?
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