At Fri, 13 Apr 2007 16:34:55 +0200, Giovanni Maruzzelli wrote: > > btw, I tried the latency.c app in polling mode too (./latency -P > plughw:0 -C plughw:0 -f S16_LE -c 1 -r 8000 -m 320 -M 960 -s 600 -p) > with same "spiking" results. Which ALSA version are you using? The CPU usage is relatively easy to analyze. For example, you can try oprofile. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel