Update: Power Performance of Pulseaudio + Alsa with Disabled Period Wakeups

Posted by D on Apr 20, 2011 3:44 PM EDT
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I've previously tested alsa code that allows for audio playback without causing IRQs in combination with the (less new) pulseaudio code that allows for almost CPU-wake-less playback. A bit more tuning allowed to increase the power savings to 0.4 W. Check inside for the whole updated story with full powertop logs!

http://lxer.com/module/db/index.php?dbn=14

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