From ef44f1c957a1bae1f22122276535e384506f5279 Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Sun, 25 Aug 2013 23:25:20 +0000 Subject: doc: add note about increased wakeups with dtas-console Fancy displays waste power and can potentially harm audio quality, it's true! --- Documentation/dtas-console.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/dtas-console.txt b/Documentation/dtas-console.txt index 769844f..ac1bca2 100644 --- a/Documentation/dtas-console.txt +++ b/Documentation/dtas-console.txt @@ -39,6 +39,18 @@ Key bindings are inspired partially by mplayer(1) DTAS_PLAYER_SOCK - the path to the dtas-player control socket. This defaults to ~/.dtas/player.sock +# CAVEATS + +Increasing timer resolution increases the number of CPU wakeups and +power consumption. This defeats the efforts of dtas-player +configurations which use large buffers (especially in the sink) to +reduce wakeups and power consumption. + +In rare cases (or poorly-configured systems), increased wakeups from +dtas-console will also increase contention with the sound card, +negatively affecting audio quality even if CPU utilization is not +a problem. + # SEE ALSO dtas-player(1), dtas-player_protocol(7), dtas-ctl(1), dtas-sinkedit(1), -- cgit v1.2.3-24-ge0c7